formbook | c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187

General

Target

c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
Size

633KB
MD5

8dd4adce71cfa1cd8d33eccf4da34043
SHA1

2da9f1662d721ee5dd32273b45608078b930ad35
SHA256

c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187
SHA512

35140a18504b50d0119aa67e01dd3db097a24512e1567580ac8640f9fcf2b908eed8374a8b6476bab6ee9170e2fc7a1a2d2d29de3aadf3d16754917d1e365779
SSDEEP

12288:PXm0LA8PMyhx7WUh0Mzgn1I9CYeXRU9/YZl/ycoInCRngGo315IeypRxDxD0:PA877WU3En18CYeXq1KL4nv615Ij

Score

10^/10

formbook dn13 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn13

Decoy

5q53s.top

f9813.top

ysticsmoke.net

ignorysingeysquints.cfd

yncsignature.live

svp-their.xyz

outya.xyz

wlkflwef3sf2wf.top

etterjugfetkaril.cfd

p9eh2s99b5.top

400108iqlnnqi219.top

ynsu-condition.xyz

ndividual-bfiaen.xyz

anceibizamagazine.net

itrussips.live

orkcubefood.xyz

lindsandfurnishings.shop

ajwmid.top

pigramescentfeatous.shop

mbvcv56789.click

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/2748-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2084	powershell.exe
2404	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 2748	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	37

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 4 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	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
2748	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
2404	powershell.exe
2084	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
Token: SeDebugPrivilege	2084	powershell.exe
Token: SeDebugPrivilege	2404	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2084	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	31
PID 2136 wrote to memory of 2084	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	31
PID 2136 wrote to memory of 2084	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	31
PID 2136 wrote to memory of 2084	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	31
PID 2136 wrote to memory of 2404	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	33
PID 2136 wrote to memory of 2404	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	33
PID 2136 wrote to memory of 2404	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	33
PID 2136 wrote to memory of 2404	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	33
PID 2136 wrote to memory of 2768	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	35
PID 2136 wrote to memory of 2768	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	35
PID 2136 wrote to memory of 2768	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	35
PID 2136 wrote to memory of 2768	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	35
PID 2136 wrote to memory of 2748	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	37
PID 2136 wrote to memory of 2748	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	37
PID 2136 wrote to memory of 2748	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	37
PID 2136 wrote to memory of 2748	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	37
PID 2136 wrote to memory of 2748	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	37
PID 2136 wrote to memory of 2748	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	37
PID 2136 wrote to memory of 2748	2136	c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe	37

C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
"C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2084
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mtDSkHtnsz.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2404
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mtDSkHtnsz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFDC0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2768
- C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe
  "C:\Users\Admin\AppData\Local\Temp\c8709a132b063bfb746899511930b50ee84019dc45206333b74cdf702963a187.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2748

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\tmpFDC0.tmp

Filesize
1KB

MD5
fda94f7741adb1fbec8be8721137cb6c

SHA1
62d7e295502030750eb1b4d8057a2c5d83c1e094

SHA256
dd4357babb7c672999e1d670bbd78ccfe3143002511b3a121f1e84fa10f3ea59

SHA512
19c2467cee2eb5cd09ea1c26c1dd852c4916b97ba31888181873dd7ce78d81f4f846108501fef43f94ae5898d92652f9c766448636466ee17a5064d66c22fdb6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\X1XIU6B2HFS5Q84BN5WL.temp

Filesize
7KB

MD5
e9337c0860557fb6fbcca0b87523e43f

SHA1
51b76af521780960ece64af2093d29b1278c8cfa

SHA256
60358058317b39084c2e5502dfa90b8bda82b0187c17a0507e7b883cc101c8a9

SHA512
6031444092eae1dc53df46fffc9140c7ed9d40e0a869576ddf1c7edca15916a0325784e252eed7a90d1439851642d1020c6661f726075af59e3e9d26d3c8285d

Download Submit
memory/2136-6-0x0000000004EF0000-0x0000000004F6A000-memory.dmp

Filesize
488KB

Download
memory/2136-3-0x00000000003E0000-0x00000000003F2000-memory.dmp

Filesize
72KB

Download
memory/2136-4-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/2136-5-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/2136-2-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2136-1-0x0000000001310000-0x00000000013B4000-memory.dmp

Filesize
656KB

Download
memory/2136-25-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2748-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2748-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads