formbook | 1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9

General

Target

1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe
Size

743KB
MD5

83e3cea3b92603057eac3c8991f64cbe
SHA1

eed62adc7c7d06a5ba530fcf763b9a167c5765b2
SHA256

1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9
SHA512

8e0ebf0fcdf3f5f0b7d8d42a8c5a2f6a792ae5ba2a069fd14217a7329f2a7b91674eeb9bdf2b0d9fbdd12e047a5ef85bf6724f99b67375d7fcee73546be287f5
SSDEEP

12288:uKghZfmcEraWlPrMxQKwu3zIEG52mh7CsLDEbZjfgS0v2:Rg/f6raMMxQKwujIlh7dDE1Er

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/2640-19-0x0000000000400000-0x000000000042F000-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
2308	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2640	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.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
2808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2640	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe
2308	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2308	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	31
PID 2596 wrote to memory of 2308	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	31
PID 2596 wrote to memory of 2308	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	31
PID 2596 wrote to memory of 2308	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	31
PID 2596 wrote to memory of 2808	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	32
PID 2596 wrote to memory of 2808	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	32
PID 2596 wrote to memory of 2808	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	32
PID 2596 wrote to memory of 2808	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	32
PID 2596 wrote to memory of 2640	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	35
PID 2596 wrote to memory of 2640	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	35
PID 2596 wrote to memory of 2640	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	35
PID 2596 wrote to memory of 2640	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	35
PID 2596 wrote to memory of 2640	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	35
PID 2596 wrote to memory of 2640	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	35
PID 2596 wrote to memory of 2640	2596	1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe	35

C:\Users\Admin\AppData\Local\Temp\1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe
"C:\Users\Admin\AppData\Local\Temp\1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tqLSItFXSP.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2308
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tqLSItFXSP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF344.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2808
- C:\Users\Admin\AppData\Local\Temp\1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe
  "C:\Users\Admin\AppData\Local\Temp\1091372b812b70532f2d29f18f41f1618a0d72ec9e03caa5bc02dda877ff04f9.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2640

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\tmpF344.tmp

Filesize
1KB

MD5
494190f4c553364257e5e34c78e2f87a

SHA1
5c5fcdf592a0e7169659715a699a68896be0f1dd

SHA256
cf8fb13f107abde7ec87159c97048b74527f2b490cec35a57b45f915136eafd6

SHA512
e67e8591e8310d679a1946b776a7d18df0929c8ef3bf91bab4610b914261b9a8435ca1c46f5c966e6093b696347576ea0b1310fdd0623ac325744074579cae2a

Download Submit
memory/2596-6-0x00000000002D0000-0x0000000000346000-memory.dmp

Filesize
472KB

Download
memory/2596-2-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2596-3-0x0000000000520000-0x000000000053C000-memory.dmp

Filesize
112KB

Download
memory/2596-4-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2596-5-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2596-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/2596-1-0x0000000000CF0000-0x0000000000DB0000-memory.dmp

Filesize
768KB

Download
memory/2596-20-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2640-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2640-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads