formbook | 6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b

General

Target

6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe
Size

845KB
MD5

2bb41efdd9b8f255dcdeec400920adba
SHA1

beefa2b2fcae6e57e52f0a87487b5e83c13d83d8
SHA256

6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b
SHA512

bbbd9c0a867338810cd4815050e16c9ac078a8f5efdbd750c0d548c6d500f434f487d71d7645390859b272ac99ca3272e15bc6874913f1668b3d69689d733a26
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLZVTuHkMdv896W6:ffmMv6Ckr7Mny5QLZZ4S6

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2596-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2596-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2476 set thread context of 2596	2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe	31
PID 2596 set thread context of 1208	2596	svchost.exe	21

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2180	2608	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 2 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	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2596	svchost.exe
2596	svchost.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe
2596	svchost.exe
2596	svchost.exe
2596	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	svchost.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe
2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe
2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2596	2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe	31
PID 2476 wrote to memory of 2596	2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe	31
PID 2476 wrote to memory of 2596	2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe	31
PID 2476 wrote to memory of 2596	2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe	31
PID 2476 wrote to memory of 2596	2476	6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe	31
PID 1208 wrote to memory of 2608	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2608	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2608	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2608	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2608	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2608	1208	Explorer.EXE	32
PID 1208 wrote to memory of 2608	1208	Explorer.EXE	32
PID 2608 wrote to memory of 2180	2608	msiexec.exe	33
PID 2608 wrote to memory of 2180	2608	msiexec.exe	33
PID 2608 wrote to memory of 2180	2608	msiexec.exe	33
PID 2608 wrote to memory of 2180	2608	msiexec.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe
  "C:\Users\Admin\AppData\Local\Temp\6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.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:2476
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\6137d6d6b57da5bd4c0c8fb07430ed26fdcfaa58d305629cd46f8d3b3426cd6b.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2596
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 268
    3⤵
    - Program crash
    PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/1208-12-0x0000000005090000-0x000000000520A000-memory.dmp

Filesize
1.5MB

Download
memory/1208-19-0x0000000005090000-0x000000000520A000-memory.dmp

Filesize
1.5MB

Download
memory/2476-5-0x00000000002E0000-0x00000000002E4000-memory.dmp

Filesize
16KB

Download
memory/2596-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2596-7-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2596-10-0x0000000000340000-0x0000000000354000-memory.dmp

Filesize
80KB

Download
memory/2596-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2608-13-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/2608-14-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/2608-16-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download

Analysis

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