formbook | ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef

General

Target

ZIMUXIA8376.exe
Size

765KB
MD5

4d7e0095c7770a52783f6dfc479bafa0
SHA1

3f49034d7415ecdeaf887afff1a95199ba2043ff
SHA256

ff5d67d2cfdae5296cda453f2f78fcacd79169bb9dbbe94a2007d9dcb382d2ef
SHA512

2570fa14760448878d9205d832ba52c82558f1776cfc2cb00c8ecc45dd8f6a2953b49ac6c8f02b65cc110c19f11be7eccaaf0dfc9e29f83c6093d2769b5f10a1
SSDEEP

12288:8CqnHvjNIrpf9rN/mc/Ciu2OAgXH/q6tVKfvfOkx6Mnf1SVfeEyuOlQnPssJAMDl:8/PjKr5BNDYEUH/q6tVqvGwtsVmEXksp

Score

10^/10

formbook jn17 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jn17

Decoy

hynasty.com

africacementreview.com

5280micropantry.com

qcyu2.us

jl777-web.com

hcwsports.com

update-number-au.com

ymymvip.top

postds.buzz

dogwifnobrim.com

usapubpong.com

shopscoopido.com

medical-equipment.company

onyagu.com

tldrparent.com

jvpeople.com

seangalbraithphotography.com

ptt-gov.art

mutcosmeticsec.com

metameme.online

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/3148-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3148-40-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3148-73-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3344-75-0x0000000000FD0000-0x0000000000FFF000-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:

ZIMUXIA8376.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation	ZIMUXIA8376.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

ZIMUXIA8376.exeZIMUXIA8376.exemstsc.exe

description	pid	process	target process
PID 2216 set thread context of 3148	2216	ZIMUXIA8376.exe	ZIMUXIA8376.exe
PID 3148 set thread context of 3480	3148	ZIMUXIA8376.exe	Explorer.EXE
PID 3148 set thread context of 3480	3148	ZIMUXIA8376.exe	Explorer.EXE
PID 3344 set thread context of 3480	3344	mstsc.exe	Explorer.EXE

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/Job
T1053

Processes:

schtasks.exe

pid process

4180 schtasks.exe

pid	process
4180	schtasks.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

Processes:

powershell.exeZIMUXIA8376.exemstsc.exe

pid	process
1052	powershell.exe
3148	ZIMUXIA8376.exe
3148	ZIMUXIA8376.exe
1052	powershell.exe
3148	ZIMUXIA8376.exe
3148	ZIMUXIA8376.exe
3148	ZIMUXIA8376.exe
3148	ZIMUXIA8376.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe
3344	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

ZIMUXIA8376.exemstsc.exe

pid process

3148 ZIMUXIA8376.exe
3148 ZIMUXIA8376.exe
3148 ZIMUXIA8376.exe
3148 ZIMUXIA8376.exe
3344 mstsc.exe
3344 mstsc.exe

pid	process
3148	ZIMUXIA8376.exe
3148	ZIMUXIA8376.exe
3148	ZIMUXIA8376.exe
3148	ZIMUXIA8376.exe
3344	mstsc.exe
3344	mstsc.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exeZIMUXIA8376.exeExplorer.EXEmstsc.exe

description	pid	process
Token: SeDebugPrivilege	1052	powershell.exe
Token: SeDebugPrivilege	3148	ZIMUXIA8376.exe
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeDebugPrivilege	3344	mstsc.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

Explorer.EXE

pid process

3480 Explorer.EXE
3480 Explorer.EXE
3480 Explorer.EXE
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

Explorer.EXE

pid process

3480 Explorer.EXE
3480 Explorer.EXE
3480 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3480 Explorer.EXE

pid	process
3480	Explorer.EXE
3480	Explorer.EXE
3480	Explorer.EXE

pid	process
3480	Explorer.EXE
3480	Explorer.EXE
3480	Explorer.EXE

pid	process
3480	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

ZIMUXIA8376.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 2216 wrote to memory of 1052	2216	ZIMUXIA8376.exe	powershell.exe
PID 2216 wrote to memory of 1052	2216	ZIMUXIA8376.exe	powershell.exe
PID 2216 wrote to memory of 1052	2216	ZIMUXIA8376.exe	powershell.exe
PID 2216 wrote to memory of 4180	2216	ZIMUXIA8376.exe	schtasks.exe
PID 2216 wrote to memory of 4180	2216	ZIMUXIA8376.exe	schtasks.exe
PID 2216 wrote to memory of 4180	2216	ZIMUXIA8376.exe	schtasks.exe
PID 2216 wrote to memory of 3148	2216	ZIMUXIA8376.exe	ZIMUXIA8376.exe
PID 2216 wrote to memory of 3148	2216	ZIMUXIA8376.exe	ZIMUXIA8376.exe
PID 2216 wrote to memory of 3148	2216	ZIMUXIA8376.exe	ZIMUXIA8376.exe
PID 2216 wrote to memory of 3148	2216	ZIMUXIA8376.exe	ZIMUXIA8376.exe
PID 2216 wrote to memory of 3148	2216	ZIMUXIA8376.exe	ZIMUXIA8376.exe
PID 2216 wrote to memory of 3148	2216	ZIMUXIA8376.exe	ZIMUXIA8376.exe
PID 3480 wrote to memory of 3344	3480	Explorer.EXE	mstsc.exe
PID 3480 wrote to memory of 3344	3480	Explorer.EXE	mstsc.exe
PID 3480 wrote to memory of 3344	3480	Explorer.EXE	mstsc.exe
PID 3344 wrote to memory of 2936	3344	mstsc.exe	cmd.exe
PID 3344 wrote to memory of 2936	3344	mstsc.exe	cmd.exe
PID 3344 wrote to memory of 2936	3344	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3480

C:\Users\Admin\AppData\Local\Temp\ZIMUXIA8376.exe
"C:\Users\Admin\AppData\Local\Temp\ZIMUXIA8376.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2216

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aBHfONTpHr.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1052

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aBHfONTpHr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5D24.tmp"
3⤵
- Creates scheduled task(s)
PID:4180

C:\Users\Admin\AppData\Local\Temp\ZIMUXIA8376.exe
"C:\Users\Admin\AppData\Local\Temp\ZIMUXIA8376.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3148

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3344

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\ZIMUXIA8376.exe"
3⤵
PID:2936

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ljrl4o4i.kah.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5D24.tmp
Filesize
1KB

MD5
c1affc0ca98737729ed34ab38f0a1b33

SHA1
9a54fe09de920b4e3d23d733f5d672934c43e402

SHA256
189f8521251777d608024c32f940cac1f27ca836b1527414a66b04230eeb3603

SHA512
74b25901fafeb243c24681cbf7179544684629daa819c882413c7faaf0c785256b442870662f28286745413273d4193abef611b4ee86a6feebdd7d5790cfaf8a

Download Submit
memory/1052-38-0x0000000006340000-0x000000000638C000-memory.dmp

Filesize
304KB

Download
memory/1052-62-0x00000000076E0000-0x0000000007776000-memory.dmp

Filesize
600KB

Download
memory/1052-70-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/1052-67-0x0000000007780000-0x0000000007788000-memory.dmp

Filesize
32KB

Download
memory/1052-66-0x00000000077A0000-0x00000000077BA000-memory.dmp

Filesize
104KB

Download
memory/1052-65-0x00000000076A0000-0x00000000076B4000-memory.dmp

Filesize
80KB

Download
memory/1052-64-0x0000000007690000-0x000000000769E000-memory.dmp

Filesize
56KB

Download
memory/1052-63-0x0000000007660000-0x0000000007671000-memory.dmp

Filesize
68KB

Download
memory/1052-14-0x0000000004B70000-0x0000000004BA6000-memory.dmp

Filesize
216KB

Download
memory/1052-16-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/1052-15-0x0000000005220000-0x0000000005848000-memory.dmp

Filesize
6.2MB

Download
memory/1052-61-0x00000000074D0000-0x00000000074DA000-memory.dmp

Filesize
40KB

Download
memory/1052-19-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1052-18-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1052-60-0x0000000006810000-0x000000000682A000-memory.dmp

Filesize
104KB

Download
memory/1052-25-0x0000000005AD0000-0x0000000005B36000-memory.dmp

Filesize
408KB

Download
memory/1052-22-0x0000000005A60000-0x0000000005AC6000-memory.dmp

Filesize
408KB

Download
memory/1052-21-0x00000000059C0000-0x00000000059E2000-memory.dmp

Filesize
136KB

Download
memory/1052-59-0x0000000007B00000-0x000000000817A000-memory.dmp

Filesize
6.5MB

Download
memory/1052-34-0x0000000005C40000-0x0000000005F94000-memory.dmp

Filesize
3.3MB

Download
memory/1052-58-0x00000000071D0000-0x0000000007273000-memory.dmp

Filesize
652KB

Download
memory/1052-56-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1052-37-0x0000000006130000-0x000000000614E000-memory.dmp

Filesize
120KB

Download
memory/1052-57-0x0000000004BE0000-0x0000000004BF0000-memory.dmp

Filesize
64KB

Download
memory/1052-55-0x0000000006760000-0x000000000677E000-memory.dmp

Filesize
120KB

Download
memory/1052-45-0x0000000074E50000-0x0000000074E9C000-memory.dmp

Filesize
304KB

Download
memory/1052-43-0x00000000066F0000-0x0000000006722000-memory.dmp

Filesize
200KB

Download
memory/1052-44-0x000000007F350000-0x000000007F360000-memory.dmp

Filesize
64KB

Download
memory/2216-4-0x0000000005820000-0x0000000005830000-memory.dmp

Filesize
64KB

Download
memory/2216-9-0x000000000C780000-0x000000000C81C000-memory.dmp

Filesize
624KB

Download
memory/2216-8-0x0000000009670000-0x00000000096E6000-memory.dmp

Filesize
472KB

Download
memory/2216-7-0x0000000005AD0000-0x0000000005AE4000-memory.dmp

Filesize
80KB

Download
memory/2216-1-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/2216-3-0x0000000005850000-0x00000000058E2000-memory.dmp

Filesize
584KB

Download
memory/2216-2-0x0000000005E00000-0x00000000063A4000-memory.dmp

Filesize
5.6MB

Download
memory/2216-5-0x00000000057E0000-0x00000000057EA000-memory.dmp

Filesize
40KB

Download
memory/2216-6-0x0000000005A80000-0x0000000005AA0000-memory.dmp

Filesize
128KB

Download
memory/2216-0-0x0000000000E70000-0x0000000000F34000-memory.dmp

Filesize
784KB

Download
memory/2216-35-0x00000000745C0000-0x0000000074D70000-memory.dmp

Filesize
7.7MB

Download
memory/3148-36-0x0000000001A30000-0x0000000001D7A000-memory.dmp

Filesize
3.3MB

Download
memory/3148-40-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3148-41-0x0000000001920000-0x0000000001935000-memory.dmp

Filesize
84KB

Download
memory/3148-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3148-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3344-72-0x0000000000770000-0x00000000008AA000-memory.dmp

Filesize
1.2MB

Download
memory/3344-74-0x0000000000770000-0x00000000008AA000-memory.dmp

Filesize
1.2MB

Download
memory/3344-75-0x0000000000FD0000-0x0000000000FFF000-memory.dmp

Filesize
188KB

Download
memory/3480-78-0x0000000008AF0000-0x0000000008C35000-memory.dmp

Filesize
1.3MB

Download
memory/3480-42-0x0000000002F20000-0x0000000003031000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads