formbook | b3811fa28d3e22cf5029476f6870c54e7fcd4d68da1342bb199ca6d41ed9ff56

General

Target

Orden de compra del proveedor OC_No 1435 27-03-2023.exe
Size

822KB
MD5

91da3743bb05e6744e50fe749f5a9cc6
SHA1

fbb00ec09354ded8bf1b7f18f2e9cb2ef0e3d3b3
SHA256

b3811fa28d3e22cf5029476f6870c54e7fcd4d68da1342bb199ca6d41ed9ff56
SHA512

08bb7e82f83aa4d5146838b8cdc2c40382656c8db8775792d850b3bf5426f53a4e5b9e3420c16e4b4140767a030e0eab9d3339f5182f6390def143d470f3f277
SSDEEP

12288:LUJB0Oq8p2ZEtCgO27/mW9XqUjX5OFUuOWGt0p4VedclBeHlOrh1CuQvpAoJhZ:AZpTtV7fjc36veA1Gx9D

Score

10^/10

formbook jr22 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jr22

Decoy

941zhe.com

lunarportal.space

xn--osmaniyeiek-t9ab.online

trejoscar.com

nrnursery.com

quizcannot.cfd

seedstockersthailand.com

watsonwindow.com

wjfholdings.com

weziclondon.com

naruot.xyz

yeji.plus

classicmenstore.com

oharatravel.com

therapyplankits.com

keviegreshonpt.com

qdlyner.com

seithupaarungal.com

casinorates.online

8ug4as.icu

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/928-150-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/928-211-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2552-223-0x0000000000450000-0x000000000047F000-memory.dmp	formbook
behavioral2/memory/2552-225-0x0000000000450000-0x000000000047F000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Orden de compra del proveedor OC_No 1435 27-03-2023.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	Orden de compra del proveedor OC_No 1435 27-03-2023.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Orden de compra del proveedor OC_No 1435 27-03-2023.exeOrden de compra del proveedor OC_No 1435 27-03-2023.exemsiexec.exe

description	pid	process	target process
PID 3924 set thread context of 928	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
PID 928 set thread context of 2372	928	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Explorer.EXE
PID 2552 set thread context of 2372	2552	msiexec.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4004 schtasks.exe

pid	process
4004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

powershell.exepowershell.exeOrden de compra del proveedor OC_No 1435 27-03-2023.exeOrden de compra del proveedor OC_No 1435 27-03-2023.exemsiexec.exe

pid	process
112	powershell.exe
2232	powershell.exe
3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
928	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
928	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
2232	powershell.exe
928	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
928	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
112	powershell.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe
2552	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2372 Explorer.EXE

pid	process
2372	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Orden de compra del proveedor OC_No 1435 27-03-2023.exemsiexec.exe

pid	process
928	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
928	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
928	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
2552	msiexec.exe
2552	msiexec.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

powershell.exepowershell.exeOrden de compra del proveedor OC_No 1435 27-03-2023.exeOrden de compra del proveedor OC_No 1435 27-03-2023.exemsiexec.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2232	powershell.exe
Token: SeDebugPrivilege	112	powershell.exe
Token: SeDebugPrivilege	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
Token: SeDebugPrivilege	928	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
Token: SeDebugPrivilege	2552	msiexec.exe
Token: SeShutdownPrivilege	2372	Explorer.EXE
Token: SeCreatePagefilePrivilege	2372	Explorer.EXE
Token: SeShutdownPrivilege	2372	Explorer.EXE
Token: SeCreatePagefilePrivilege	2372	Explorer.EXE
Token: SeShutdownPrivilege	2372	Explorer.EXE
Token: SeCreatePagefilePrivilege	2372	Explorer.EXE
Token: SeShutdownPrivilege	2372	Explorer.EXE
Token: SeCreatePagefilePrivilege	2372	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

Orden de compra del proveedor OC_No 1435 27-03-2023.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 3924 wrote to memory of 2232	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	powershell.exe
PID 3924 wrote to memory of 2232	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	powershell.exe
PID 3924 wrote to memory of 2232	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	powershell.exe
PID 3924 wrote to memory of 112	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	powershell.exe
PID 3924 wrote to memory of 112	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	powershell.exe
PID 3924 wrote to memory of 112	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	powershell.exe
PID 3924 wrote to memory of 4004	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	schtasks.exe
PID 3924 wrote to memory of 4004	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	schtasks.exe
PID 3924 wrote to memory of 4004	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	schtasks.exe
PID 3924 wrote to memory of 2712	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
PID 3924 wrote to memory of 2712	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
PID 3924 wrote to memory of 2712	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
PID 3924 wrote to memory of 928	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
PID 3924 wrote to memory of 928	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
PID 3924 wrote to memory of 928	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
PID 3924 wrote to memory of 928	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
PID 3924 wrote to memory of 928	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
PID 3924 wrote to memory of 928	3924	Orden de compra del proveedor OC_No 1435 27-03-2023.exe	Orden de compra del proveedor OC_No 1435 27-03-2023.exe
PID 2372 wrote to memory of 2552	2372	Explorer.EXE	msiexec.exe
PID 2372 wrote to memory of 2552	2372	Explorer.EXE	msiexec.exe
PID 2372 wrote to memory of 2552	2372	Explorer.EXE	msiexec.exe
PID 2552 wrote to memory of 4612	2552	msiexec.exe	cmd.exe
PID 2552 wrote to memory of 4612	2552	msiexec.exe	cmd.exe
PID 2552 wrote to memory of 4612	2552	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2372

C:\Users\Admin\AppData\Local\Temp\Orden de compra del proveedor OC_No 1435 27-03-2023.exe
"C:\Users\Admin\AppData\Local\Temp\Orden de compra del proveedor OC_No 1435 27-03-2023.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3924

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Orden de compra del proveedor OC_No 1435 27-03-2023.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2232

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YCNgsiXL.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:112

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YCNgsiXL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F6F.tmp"
3⤵
- Creates scheduled task(s)
PID:4004

C:\Users\Admin\AppData\Local\Temp\Orden de compra del proveedor OC_No 1435 27-03-2023.exe
"C:\Users\Admin\AppData\Local\Temp\Orden de compra del proveedor OC_No 1435 27-03-2023.exe"
3⤵
PID:2712

C:\Users\Admin\AppData\Local\Temp\Orden de compra del proveedor OC_No 1435 27-03-2023.exe
"C:\Users\Admin\AppData\Local\Temp\Orden de compra del proveedor OC_No 1435 27-03-2023.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:928

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Orden de compra del proveedor OC_No 1435 27-03-2023.exe"
3⤵
PID:4612

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
48bed73c18a8bd03db8c698976b2d3f2

SHA1
421f76a325a830ebcfc712b439efc1bf017cbc3b

SHA256
7d9205b0c9fa85992d67ad3b3e4e2992baee206aa74e4a1d703235a38fae8016

SHA512
01e08da1f9709a866384cd7516c34b6154dd61b67a3a645193e9ed750cd18b6f3ef557622466cc443c857ace491bc5d1efbf1cec50b05267d14cfabeb15e34c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_15xh4xny.l5e.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1F6F.tmp
Filesize
1KB

MD5
c5dcfa26d18bdeb5b6a6263253165732

SHA1
ac9fb7e1ee616100087ce97f41a6ef6727a01cec

SHA256
54fb9535820865a8f30dc4cca0610d3855a8f3288e5d15e5cbf704b7587e631c

SHA512
a82151c70521d680e5be2e0b955b484a5bcf632a210b1bf794e1582ce13bacb0724bede8e418751bfc3f8634b3492ee7e81a4e817857362ef6dc3c5decf3d562

Download Submit
memory/112-189-0x0000000075650000-0x000000007569C000-memory.dmp

Filesize
304KB

Download
memory/112-204-0x000000007FAD0000-0x000000007FAE0000-memory.dmp

Filesize
64KB

Download
memory/112-201-0x0000000007370000-0x000000000738A000-memory.dmp

Filesize
104KB

Download
memory/112-202-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/112-207-0x00000000075F0000-0x0000000007686000-memory.dmp

Filesize
600KB

Download
memory/112-147-0x00000000050B0000-0x00000000050D2000-memory.dmp

Filesize
136KB

Download
memory/112-178-0x0000000007010000-0x0000000007042000-memory.dmp

Filesize
200KB

Download
memory/112-149-0x0000000005A00000-0x0000000005A66000-memory.dmp

Filesize
408KB

Download
memory/112-172-0x0000000004D90000-0x0000000004DA0000-memory.dmp

Filesize
64KB

Download
memory/928-175-0x0000000001370000-0x00000000016BA000-memory.dmp

Filesize
3.3MB

Download
memory/928-150-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/928-211-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/928-176-0x00000000011B0000-0x00000000011C4000-memory.dmp

Filesize
80KB

Download
memory/2232-203-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/2232-206-0x0000000007A00000-0x0000000007A0A000-memory.dmp

Filesize
40KB

Download
memory/2232-170-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/2232-171-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/2232-174-0x0000000006690000-0x00000000066AE000-memory.dmp

Filesize
120KB

Download
memory/2232-148-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/2232-179-0x0000000075650000-0x000000007569C000-memory.dmp

Filesize
304KB

Download
memory/2232-190-0x0000000007600000-0x000000000761E000-memory.dmp

Filesize
120KB

Download
memory/2232-145-0x0000000005780000-0x0000000005DA8000-memory.dmp

Filesize
6.2MB

Download
memory/2232-200-0x0000000007FE0000-0x000000000865A000-memory.dmp

Filesize
6.5MB

Download
memory/2232-144-0x00000000050D0000-0x0000000005106000-memory.dmp

Filesize
216KB

Download
memory/2232-215-0x0000000007CB0000-0x0000000007CB8000-memory.dmp

Filesize
32KB

Download
memory/2232-210-0x0000000007CD0000-0x0000000007CEA000-memory.dmp

Filesize
104KB

Download
memory/2232-205-0x000000007F040000-0x000000007F050000-memory.dmp

Filesize
64KB

Download
memory/2232-208-0x0000000007BC0000-0x0000000007BCE000-memory.dmp

Filesize
56KB

Download
memory/2372-238-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-241-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-250-0x0000000002540000-0x000000000254A000-memory.dmp

Filesize
40KB

Download
memory/2372-249-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-248-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-247-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-246-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-245-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-244-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-243-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-242-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-240-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-239-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-177-0x0000000007A60000-0x0000000007BAC000-memory.dmp

Filesize
1.3MB

Download
memory/2372-237-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-228-0x0000000008550000-0x0000000008631000-memory.dmp

Filesize
900KB

Download
memory/2372-229-0x0000000008550000-0x0000000008631000-memory.dmp

Filesize
900KB

Download
memory/2372-231-0x0000000008550000-0x0000000008631000-memory.dmp

Filesize
900KB

Download
memory/2372-234-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-235-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2372-236-0x0000000000B00000-0x0000000000B10000-memory.dmp

Filesize
64KB

Download
memory/2552-213-0x0000000000FB0000-0x0000000000FC2000-memory.dmp

Filesize
72KB

Download
memory/2552-227-0x0000000000E70000-0x0000000000F03000-memory.dmp

Filesize
588KB

Download
memory/2552-224-0x00000000023E0000-0x000000000272A000-memory.dmp

Filesize
3.3MB

Download
memory/2552-222-0x0000000000FB0000-0x0000000000FC2000-memory.dmp

Filesize
72KB

Download
memory/2552-209-0x0000000000FB0000-0x0000000000FC2000-memory.dmp

Filesize
72KB

Download
memory/2552-223-0x0000000000450000-0x000000000047F000-memory.dmp

Filesize
188KB

Download
memory/2552-225-0x0000000000450000-0x000000000047F000-memory.dmp

Filesize
188KB

Download
memory/3924-134-0x0000000005210000-0x00000000057B4000-memory.dmp

Filesize
5.6MB

Download
memory/3924-138-0x0000000002740000-0x0000000002750000-memory.dmp

Filesize
64KB

Download
memory/3924-135-0x0000000004C60000-0x0000000004CF2000-memory.dmp

Filesize
584KB

Download
memory/3924-139-0x0000000007BD0000-0x0000000007C6C000-memory.dmp

Filesize
624KB

Download
memory/3924-137-0x0000000004C10000-0x0000000004C1A000-memory.dmp

Filesize
40KB

Download
memory/3924-136-0x0000000002740000-0x0000000002750000-memory.dmp

Filesize
64KB

Download
memory/3924-133-0x0000000000170000-0x0000000000244000-memory.dmp

Filesize
848KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads