formbook | 68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2a

General

Target

68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe
Size

737KB
MD5

2e1383ad6224f894846088cd0001ff50
SHA1

ee8365216d146f08508256af84d7a3769e5c3f71
SHA256

68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2a
SHA512

caa216e68714f3ed22b6a1df05c22397aeda8903faaf8de126f972ae3d948f2ee501113cd4443a2cef748c3766c8b26ff7588be251e8ba75d1688d9ff6be342c
SSDEEP

12288:PV8uW8JLRKgbc4w/O8NBuyt3738KHpDL9RUzE6z9TjcQ1AQw9:euW8psOi4iwkRxRy71jd1AT

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

Processes:

resource	yara_rule
behavioral1/memory/2816-19-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exe

pid	Process
2848	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe

description	pid	Process	procid_target
PID 1708 set thread context of 2816	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.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

Processes:

68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exepowershell.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.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

Processes:

schtasks.exe

pid	Process
2752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exepowershell.exe

pid	Process
1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe
2816	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe
1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe
2848	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe
Token: SeDebugPrivilege	2848	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe

description	pid	Process	procid_target
PID 1708 wrote to memory of 2848	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	31
PID 1708 wrote to memory of 2848	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	31
PID 1708 wrote to memory of 2848	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	31
PID 1708 wrote to memory of 2848	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	31
PID 1708 wrote to memory of 2752	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	32
PID 1708 wrote to memory of 2752	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	32
PID 1708 wrote to memory of 2752	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	32
PID 1708 wrote to memory of 2752	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	32
PID 1708 wrote to memory of 2816	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	35
PID 1708 wrote to memory of 2816	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	35
PID 1708 wrote to memory of 2816	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	35
PID 1708 wrote to memory of 2816	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	35
PID 1708 wrote to memory of 2816	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	35
PID 1708 wrote to memory of 2816	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	35
PID 1708 wrote to memory of 2816	1708	68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe	35

C:\Users\Admin\AppData\Local\Temp\68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe
"C:\Users\Admin\AppData\Local\Temp\68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SQzFzw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2848
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SQzFzw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE659.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2752
- C:\Users\Admin\AppData\Local\Temp\68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe
  "C:\Users\Admin\AppData\Local\Temp\68799f7578bd2235886e8304d87bb3bf374f2ce34c626cb1276e506397ca6d2aN.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2816

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\tmpE659.tmp

Filesize
1KB

MD5
f700c832d33293e523b46dee78cfb694

SHA1
0593574aa02c666cc3eedfcbd66f4af768eca6bf

SHA256
cc3195b7bafce36118e287d530c580a1a7149cef34d242d23f525a1691847b76

SHA512
f233ad0d430291c54583a8aed71851c08f519bec4c3ade4499548b8c0d9fd19c5106dee13345c2cee5d5666fafefa153d10aeae384d18cb9c5e1bfa895ae6cec

Download Submit
memory/1708-6-0x0000000000420000-0x0000000000496000-memory.dmp

Filesize
472KB

Download
memory/1708-2-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-3-0x00000000004E0000-0x00000000004FC000-memory.dmp

Filesize
112KB

Download
memory/1708-4-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/1708-5-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/1708-0-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/1708-1-0x0000000000AC0000-0x0000000000B7E000-memory.dmp

Filesize
760KB

Download
memory/1708-20-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2816-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2816-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads