formbook | 6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36

Analysis

max time kernel
117s
max time network
109s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 22:20

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General

Target

6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe
Size

1.1MB
MD5

daf47fbb5607db204ba3e3ccc363df40
SHA1

ee304b632161ff9058258255b92860eb6f930862
SHA256

6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36
SHA512

d62c9aa7fca741ce839c634b728a810b39d85a47c302af05fe8d02955d865bcac06bd3b5a550723fdf15b2ed13e55a50caf2b88df4fe8ef472b354b37f3c83e0
SSDEEP

24576:etb20pkaCqT5TBWgNQ7aSimKPkDLf2V6A:LVg5tQ7aSiXou5

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2064-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2064-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2064-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2668-20-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exesvchost.execmstp.exe

description	pid	Process	procid_target
PID 2532 set thread context of 2064	2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe	30
PID 2064 set thread context of 1176	2064	svchost.exe	21
PID 2064 set thread context of 1176	2064	svchost.exe	21
PID 2668 set thread context of 1176	2668	cmstp.exe	21

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.execmstp.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

svchost.execmstp.exe

pid	Process
2064	svchost.exe
2064	svchost.exe
2064	svchost.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe
2668	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exesvchost.execmstp.exe

pid	Process
2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe
2064	svchost.exe
2064	svchost.exe
2064	svchost.exe
2064	svchost.exe
2668	cmstp.exe
2668	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.execmstp.exe

description	pid	Process
Token: SeDebugPrivilege	2064	svchost.exe
Token: SeDebugPrivilege	2668	cmstp.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exeExplorer.EXE

pid	Process
2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe
2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe
1176	Explorer.EXE
1176	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe

pid	Process
2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe
2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exeExplorer.EXEcmstp.exe

description	pid	Process	procid_target
PID 2532 wrote to memory of 2064	2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe	30
PID 2532 wrote to memory of 2064	2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe	30
PID 2532 wrote to memory of 2064	2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe	30
PID 2532 wrote to memory of 2064	2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe	30
PID 2532 wrote to memory of 2064	2532	6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe	30
PID 1176 wrote to memory of 2668	1176	Explorer.EXE	62
PID 1176 wrote to memory of 2668	1176	Explorer.EXE	62
PID 1176 wrote to memory of 2668	1176	Explorer.EXE	62
PID 1176 wrote to memory of 2668	1176	Explorer.EXE	62
PID 1176 wrote to memory of 2668	1176	Explorer.EXE	62
PID 1176 wrote to memory of 2668	1176	Explorer.EXE	62
PID 1176 wrote to memory of 2668	1176	Explorer.EXE	62
PID 2668 wrote to memory of 2716	2668	cmstp.exe	63
PID 2668 wrote to memory of 2716	2668	cmstp.exe	63
PID 2668 wrote to memory of 2716	2668	cmstp.exe	63
PID 2668 wrote to memory of 2716	2668	cmstp.exe	63

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Users\Admin\AppData\Local\Temp\6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe
  "C:\Users\Admin\AppData\Local\Temp\6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\6e5961837c9fb36c834e5972dd5448b5794bee50142db8ae3481e8b2dd2b8f36N.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2064
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2056
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2068
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:324
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2492
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2088
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1728
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1668
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2348
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1168
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:756
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1980
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2248
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2660
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2880
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1520
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3008
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2220
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2672
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2016
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2152
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2148
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2012
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2684
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2724
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2800
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2816
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2820
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2860
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2864
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:2804
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1176-12-0x0000000005160000-0x0000000005290000-memory.dmp

Filesize
1.2MB

Download
memory/1176-26-0x00000000070F0000-0x0000000007204000-memory.dmp

Filesize
1.1MB

Download
memory/1176-21-0x0000000006D30000-0x0000000006E47000-memory.dmp

Filesize
1.1MB

Download
memory/1176-17-0x0000000005160000-0x0000000005290000-memory.dmp

Filesize
1.2MB

Download
memory/1176-16-0x0000000006D30000-0x0000000006E47000-memory.dmp

Filesize
1.1MB

Download
memory/2064-11-0x00000000000B0000-0x00000000000C4000-memory.dmp

Filesize
80KB

Download
memory/2064-15-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/2064-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2064-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2064-8-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/2064-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2532-6-0x0000000000CF0000-0x00000000010F0000-memory.dmp

Filesize
4.0MB

Download
memory/2668-19-0x0000000000CC0000-0x0000000000CD8000-memory.dmp

Filesize
96KB

Download
memory/2668-18-0x0000000000CC0000-0x0000000000CD8000-memory.dmp

Filesize
96KB

Download
memory/2668-20-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download