formbook | 0480f30f1070d12b3231c495ee15699f09049f1c5bc19e889ebd2f3571bd4ab7

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22/05/2023, 08:47

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General

Target

order specification.exe
Size

684KB
MD5

e4b4f25fdbd4a82ef0df9076ec6dd250
SHA1

35a27a55da6c5c6c65292289d95469cd4ec0bff9
SHA256

0480f30f1070d12b3231c495ee15699f09049f1c5bc19e889ebd2f3571bd4ab7
SHA512

848f2178541a9302e93c3558f0320bc5d922128407b03dbfaa20702584fc67e1722f4ac46974ad8a7b918af2d78fd86903728d518ec2f5f4d66bb74474347902
SSDEEP

12288:ptOFx0YPX/NqPsAogO01MnY7Zzrgb7Siqumatg8BaNd2h/:ptOwHPsAA0eGgb+iquBaNG/

Score

10^/10

formbook o17i rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o17i

Decoy

chocolatebarreview.com

fetch-a-trabajos-canada.info

expresspestcontrol.net

tractionx.co.uk

vitalassetsecurity.com

lahtawine.ru

firedamagereports.com

bentzenphotography.com

digitalworkforces.com

divnoe.online

efefbig.buzz

melhardy.co.uk

igorsolutions.com

developmentszhuiservice.com

fookspace.com

kredaroo.com

4zpm.xyz

kycecat.cfd

singingriverhomeimprovement.com

bils.store

Signatures

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

Formbook payload 5 IoCs

rat

resource	yara_rule
behavioral2/memory/4788-147-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4788-190-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4788-193-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4736-196-0x0000000000A10000-0x0000000000A3F000-memory.dmp	formbook
behavioral2/memory/4736-198-0x0000000000A10000-0x0000000000A3F000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation	order specification.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1400 set thread context of 4788	1400	order specification.exe	96
PID 4788 set thread context of 3152	4788	order specification.exe	55
PID 4788 set thread context of 3152	4788	order specification.exe	55
PID 4736 set thread context of 3152	4736	chkdsk.exe	55

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

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

pid	Process
4172	schtasks.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
1796	powershell.exe
4788	order specification.exe
4788	order specification.exe
1796	powershell.exe
4788	order specification.exe
4788	order specification.exe
4788	order specification.exe
4788	order specification.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe
4736	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3152	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4788	order specification.exe
4788	order specification.exe
4788	order specification.exe
4788	order specification.exe
4736	chkdsk.exe
4736	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	powershell.exe
Token: SeDebugPrivilege	4788	order specification.exe
Token: SeShutdownPrivilege	3152	Explorer.EXE
Token: SeCreatePagefilePrivilege	3152	Explorer.EXE
Token: SeDebugPrivilege	4736	chkdsk.exe
Token: SeShutdownPrivilege	3152	Explorer.EXE
Token: SeCreatePagefilePrivilege	3152	Explorer.EXE
Token: SeShutdownPrivilege	3152	Explorer.EXE
Token: SeCreatePagefilePrivilege	3152	Explorer.EXE
Token: SeShutdownPrivilege	3152	Explorer.EXE
Token: SeCreatePagefilePrivilege	3152	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3152	Explorer.EXE
3152	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 1796	1400	order specification.exe	92
PID 1400 wrote to memory of 1796	1400	order specification.exe	92
PID 1400 wrote to memory of 1796	1400	order specification.exe	92
PID 1400 wrote to memory of 4172	1400	order specification.exe	94
PID 1400 wrote to memory of 4172	1400	order specification.exe	94
PID 1400 wrote to memory of 4172	1400	order specification.exe	94
PID 1400 wrote to memory of 4788	1400	order specification.exe	96
PID 1400 wrote to memory of 4788	1400	order specification.exe	96
PID 1400 wrote to memory of 4788	1400	order specification.exe	96
PID 1400 wrote to memory of 4788	1400	order specification.exe	96
PID 1400 wrote to memory of 4788	1400	order specification.exe	96
PID 1400 wrote to memory of 4788	1400	order specification.exe	96
PID 3152 wrote to memory of 4736	3152	Explorer.EXE	97
PID 3152 wrote to memory of 4736	3152	Explorer.EXE	97
PID 3152 wrote to memory of 4736	3152	Explorer.EXE	97
PID 4736 wrote to memory of 5112	4736	chkdsk.exe	98
PID 4736 wrote to memory of 5112	4736	chkdsk.exe	98
PID 4736 wrote to memory of 5112	4736	chkdsk.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Users\Admin\AppData\Local\Temp\order specification.exe
  "C:\Users\Admin\AppData\Local\Temp\order specification.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ShUpVIVzyjGX.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1796
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ShUpVIVzyjGX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1916.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4172
- - C:\Users\Admin\AppData\Local\Temp\order specification.exe
    "C:\Users\Admin\AppData\Local\Temp\order specification.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4788
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4736
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\order specification.exe"
    3⤵
    PID:5112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z1fl3qdj.kwk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1916.tmp

Filesize
1KB

MD5
f92a527cf6a16aa41b86cc94e50443de

SHA1
9317c0c6f76d56189e9eaf1018747b7df57a2f65

SHA256
42404dfd7f4ff9edc509073c3c5bc4d28a09ead42b0e5e57b4b1b612b0f76803

SHA512
fea56490f79a1878f9ab5b8b7e1a5b220bdd56634997c8b7493743737400de88a46ed0a1cb5987a8f68e9117c26f20a7a5115336c5118532ac050db36773cd41

Download Submit
memory/1400-134-0x0000000005A20000-0x0000000005FC4000-memory.dmp

Filesize
5.6MB

Download
memory/1400-135-0x0000000005470000-0x0000000005502000-memory.dmp

Filesize
584KB

Download
memory/1400-136-0x00000000053E0000-0x00000000053EA000-memory.dmp

Filesize
40KB

Download
memory/1400-137-0x00000000056D0000-0x00000000056E0000-memory.dmp

Filesize
64KB

Download
memory/1400-138-0x00000000056D0000-0x00000000056E0000-memory.dmp

Filesize
64KB

Download
memory/1400-139-0x0000000006540000-0x00000000065DC000-memory.dmp

Filesize
624KB

Download
memory/1400-133-0x00000000009B0000-0x0000000000A60000-memory.dmp

Filesize
704KB

Download
memory/1796-169-0x0000000071AC0000-0x0000000071B0C000-memory.dmp

Filesize
304KB

Download
memory/1796-186-0x0000000007580000-0x000000000759A000-memory.dmp

Filesize
104KB

Download
memory/1796-149-0x0000000004FF0000-0x0000000005012000-memory.dmp

Filesize
136KB

Download
memory/1796-146-0x00000000051A0000-0x00000000057C8000-memory.dmp

Filesize
6.2MB

Download
memory/1796-150-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/1796-161-0x0000000004B60000-0x0000000004B70000-memory.dmp

Filesize
64KB

Download
memory/1796-156-0x0000000005910000-0x0000000005976000-memory.dmp

Filesize
408KB

Download
memory/1796-163-0x0000000005F30000-0x0000000005F4E000-memory.dmp

Filesize
120KB

Download
memory/1796-187-0x0000000007560000-0x0000000007568000-memory.dmp

Filesize
32KB

Download
memory/1796-184-0x00000000074C0000-0x0000000007556000-memory.dmp

Filesize
600KB

Download
memory/1796-185-0x0000000007470000-0x000000000747E000-memory.dmp

Filesize
56KB

Download
memory/1796-167-0x0000000004B60000-0x0000000004B70000-memory.dmp

Filesize
64KB

Download
memory/1796-168-0x0000000006510000-0x0000000006542000-memory.dmp

Filesize
200KB

Download
memory/1796-144-0x0000000002630000-0x0000000002666000-memory.dmp

Filesize
216KB

Download
memory/1796-179-0x00000000064F0000-0x000000000650E000-memory.dmp

Filesize
120KB

Download
memory/1796-180-0x0000000007890000-0x0000000007F0A000-memory.dmp

Filesize
6.5MB

Download
memory/1796-181-0x0000000007240000-0x000000000725A000-memory.dmp

Filesize
104KB

Download
memory/1796-182-0x000000007FCB0000-0x000000007FCC0000-memory.dmp

Filesize
64KB

Download
memory/1796-183-0x00000000072C0000-0x00000000072CA000-memory.dmp

Filesize
40KB

Download
memory/3152-192-0x00000000052F0000-0x00000000053DA000-memory.dmp

Filesize
936KB

Download
memory/3152-166-0x0000000003000000-0x000000000317E000-memory.dmp

Filesize
1.5MB

Download
memory/3152-204-0x0000000008270000-0x0000000008321000-memory.dmp

Filesize
708KB

Download
memory/3152-202-0x0000000008270000-0x0000000008321000-memory.dmp

Filesize
708KB

Download
memory/3152-201-0x0000000008270000-0x0000000008321000-memory.dmp

Filesize
708KB

Download
memory/4736-200-0x00000000010A0000-0x0000000001134000-memory.dmp

Filesize
592KB

Download
memory/4736-194-0x0000000000010000-0x000000000001A000-memory.dmp

Filesize
40KB

Download
memory/4736-195-0x0000000000010000-0x000000000001A000-memory.dmp

Filesize
40KB

Download
memory/4736-197-0x00000000012A0000-0x00000000015EA000-memory.dmp

Filesize
3.3MB

Download
memory/4736-196-0x0000000000A10000-0x0000000000A3F000-memory.dmp

Filesize
188KB

Download
memory/4736-198-0x0000000000A10000-0x0000000000A3F000-memory.dmp

Filesize
188KB

Download
memory/4788-147-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4788-193-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4788-191-0x0000000001420000-0x0000000001435000-memory.dmp

Filesize
84KB

Download
memory/4788-190-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4788-164-0x0000000001450000-0x000000000179A000-memory.dmp

Filesize
3.3MB

Download
memory/4788-165-0x00000000013C0000-0x00000000013D5000-memory.dmp

Filesize
84KB

Download