formbook | 4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50

General

Target

4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe
Size

743KB
MD5

b3055c75b563421ec8cc8ec1f4ef8390
SHA1

4414bb16c23fd366404549b06f4d167aa1e86109
SHA256

4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50
SHA512

0343b4e8940f782839e8173152563397a9c8c6c450f372b02e127b37ac8173209e9843c181556865584bb12abc181895efae4e08a2e48bc2d08e80704f77b545
SSDEEP

12288:wnCb+eCSmttm1P+jXIrBz1HwN2MIKLD4eRV8HenDqfHMHTlsp9byUdOUR0:wuC7tR2XHbMR0UVWfMzlspx9dtR0

Score

10^/10

formbook hy29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy29

Decoy

obswell.online

etflix.luxury

ulunguwethu.store

ulbcenter.shop

nswering-service-mi-de-tt.click

upport-marketplace84.click

wepxbd163.lat

mplants-doctors.today

aofexf90yj.top

hermodynamic.space

dfg3n489.cyou

off.gay

alkak.cam

ijanarko.net

7tl.site

yaanincma.store

ires-47022.bond

elek4dalt77.xyz

foxsakepeople.online

ndefeatedqs.shop

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/3040-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2872	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 3040	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	35

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

System Information Discovery
T1082

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	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3040	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe
2872	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2872	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	31
PID 1740 wrote to memory of 2872	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	31
PID 1740 wrote to memory of 2872	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	31
PID 1740 wrote to memory of 2872	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	31
PID 1740 wrote to memory of 2900	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	33
PID 1740 wrote to memory of 2900	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	33
PID 1740 wrote to memory of 2900	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	33
PID 1740 wrote to memory of 2900	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	33
PID 1740 wrote to memory of 3040	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	35
PID 1740 wrote to memory of 3040	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	35
PID 1740 wrote to memory of 3040	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	35
PID 1740 wrote to memory of 3040	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	35
PID 1740 wrote to memory of 3040	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	35
PID 1740 wrote to memory of 3040	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	35
PID 1740 wrote to memory of 3040	1740	4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe	35

C:\Users\Admin\AppData\Local\Temp\4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe
"C:\Users\Admin\AppData\Local\Temp\4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JRDVLXiqHJ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2872
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JRDVLXiqHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF779.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2900
- C:\Users\Admin\AppData\Local\Temp\4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe
  "C:\Users\Admin\AppData\Local\Temp\4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50N.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF779.tmp

Filesize
1KB

MD5
85b27059b03c3ff13b27331689af23de

SHA1
3d3988d9d1a8aef24f0be5f6ee85051f21a671a0

SHA256
6139a4215197ae0c5dfc4b04acaabeb1031c281b22858708ecb285c2a75650e1

SHA512
9b9ae5201767056143a2681799e20a319d298949b17cbecab259daf471e2f261eed09f00edd80d6d84213e575a25b37066c35dc5e7063a44ece2c488f27f4937

Download Submit
memory/1740-6-0x0000000005C70000-0x0000000005CE8000-memory.dmp

Filesize
480KB

Download
memory/1740-2-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-3-0x0000000000580000-0x000000000059C000-memory.dmp

Filesize
112KB

Download
memory/1740-4-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/1740-5-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/1740-1-0x0000000001010000-0x00000000010D0000-memory.dmp

Filesize
768KB

Download
memory/1740-20-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/3040-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3040-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3040-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3040-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads