formbook | 8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3a

General

Target

8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe
Size

1.1MB
MD5

73d2c751d8f62491c5b3498551271060
SHA1

5b871213220ee02ff53d7786684bf4ea9f179fd7
SHA256

8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3a
SHA512

c300679c01bbea549b6eaea644b69059dcc256f9190159b006aeb8e2136da5df506ba669ae3c025a340995816aee7f3d6fbe99a55c28e70aea93612c8b947976
SSDEEP

24576:btb20pkaCqT5TBWgNQ7aK4rc4CuoSnqbV6A:YVg5tQ7aK4r1oSqx5

Score

10^/10

formbook ud04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ud04

Decoy

oum7.pro

ovonordisk.online

akrzus.pro

tendmtedcpsa.site

mm.foo

animevyhgsft29817.click

digdxxb.info

1130.vip

uy-now-pay-later-74776.bond

ybzert.online

edcn.link

rime-flow-bay.xyz

nd777id.beauty

otoyama.shop

lranchomx.xyz

unluoren.top

uglesang-troms.net

udulbet88.net

raquewear.shop

ijanarko.net

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4688-7-0x00000000006F0000-0x000000000071F000-memory.dmp	formbook
behavioral2/memory/4688-11-0x00000000006F0000-0x000000000071F000-memory.dmp	formbook
behavioral2/memory/3160-16-0x0000000000E00000-0x0000000000E2F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3344 set thread context of 4688	3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe	83
PID 4688 set thread context of 3512	4688	svchost.exe	56
PID 3160 set thread context of 3512	3160	cmstp.exe	56

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.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 50 IoCs

pid	Process
4688	svchost.exe
4688	svchost.exe
4688	svchost.exe
4688	svchost.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe
3160	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe
3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe
4688	svchost.exe
4688	svchost.exe
4688	svchost.exe
3160	cmstp.exe
3160	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4688	svchost.exe
Token: SeDebugPrivilege	3160	cmstp.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe
3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe
3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 4688	3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe	83
PID 3344 wrote to memory of 4688	3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe	83
PID 3344 wrote to memory of 4688	3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe	83
PID 3344 wrote to memory of 4688	3344	8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe	83
PID 3512 wrote to memory of 3160	3512	Explorer.EXE	84
PID 3512 wrote to memory of 3160	3512	Explorer.EXE	84
PID 3512 wrote to memory of 3160	3512	Explorer.EXE	84
PID 3160 wrote to memory of 664	3160	cmstp.exe	86
PID 3160 wrote to memory of 664	3160	cmstp.exe	86
PID 3160 wrote to memory of 664	3160	cmstp.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Users\Admin\AppData\Local\Temp\8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe
  "C:\Users\Admin\AppData\Local\Temp\8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.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:3344
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\8d676f36c888164632ce1eed49eb4ee62bc099f084315a88feec5794890b9a3aN.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4688
- 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:3160
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3160-15-0x0000000000A70000-0x0000000000A86000-memory.dmp

Filesize
88KB

Download
memory/3160-14-0x0000000000A70000-0x0000000000A86000-memory.dmp

Filesize
88KB

Download
memory/3160-16-0x0000000000E00000-0x0000000000E2F000-memory.dmp

Filesize
188KB

Download
memory/3344-6-0x00000000017B0000-0x0000000001BB0000-memory.dmp

Filesize
4.0MB

Download
memory/3512-13-0x0000000008480000-0x000000000859A000-memory.dmp

Filesize
1.1MB

Download
memory/3512-20-0x0000000008960000-0x0000000008AC0000-memory.dmp

Filesize
1.4MB

Download
memory/3512-21-0x0000000008960000-0x0000000008AC0000-memory.dmp

Filesize
1.4MB

Download
memory/3512-23-0x0000000008960000-0x0000000008AC0000-memory.dmp

Filesize
1.4MB

Download
memory/4688-7-0x00000000006F0000-0x000000000071F000-memory.dmp

Filesize
188KB

Download
memory/4688-10-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/4688-12-0x0000000001130000-0x0000000001144000-memory.dmp

Filesize
80KB

Download
memory/4688-11-0x00000000006F0000-0x000000000071F000-memory.dmp

Filesize
188KB

Download

Analysis

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