formbook | 8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912

General

Target

8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe
Size

640KB
MD5

ee8c76a8b405027bc5307c4543d7b86f
SHA1

5b1bec9b55e8f8d94989c1a627a73899c5d6fcd2
SHA256

8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912
SHA512

fd9915466193d3370f5fe4535b51e0c506e6998ae04c64d7aac7d5c677f74f5e2fd8cdb19b2209fad995993ea6cc1bd5e773a1cd432b52db6a8c081a17e7011f
SSDEEP

12288:d3khMOoltiJ3QNnyYm6LRNVjXMV1Nr6UdOJHf6rOcnJ8UJSvbsBFqo7qMasQ3CiC:d3kh5oDiJgyYBLRNVjm+NALnJ80Svbsr

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2792-19-0x0000000004D40000-0x0000000004D6F000-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
2568	powershell.exe
1904	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2940	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	36

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	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2560	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe
2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe
2940	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe
2568	powershell.exe
1904	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe
Token: SeDebugPrivilege	2568	powershell.exe
Token: SeDebugPrivilege	1904	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2568	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	30
PID 2792 wrote to memory of 2568	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	30
PID 2792 wrote to memory of 2568	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	30
PID 2792 wrote to memory of 2568	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	30
PID 2792 wrote to memory of 1904	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	32
PID 2792 wrote to memory of 1904	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	32
PID 2792 wrote to memory of 1904	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	32
PID 2792 wrote to memory of 1904	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	32
PID 2792 wrote to memory of 2560	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	34
PID 2792 wrote to memory of 2560	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	34
PID 2792 wrote to memory of 2560	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	34
PID 2792 wrote to memory of 2560	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	34
PID 2792 wrote to memory of 2940	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	36
PID 2792 wrote to memory of 2940	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	36
PID 2792 wrote to memory of 2940	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	36
PID 2792 wrote to memory of 2940	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	36
PID 2792 wrote to memory of 2940	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	36
PID 2792 wrote to memory of 2940	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	36
PID 2792 wrote to memory of 2940	2792	8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe	36

C:\Users\Admin\AppData\Local\Temp\8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe
"C:\Users\Admin\AppData\Local\Temp\8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792
- 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\8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2568
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zkNunrbol.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1904
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zkNunrbol" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3350.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2560
- C:\Users\Admin\AppData\Local\Temp\8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe
  "C:\Users\Admin\AppData\Local\Temp\8352beed8fb5f5823a3ea3829d7e845a3fd3c53535dfb4a13fa0d11e01231912.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2940

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\tmp3350.tmp

Filesize
1KB

MD5
6d00694a80b8186c599107cc6c8f8c78

SHA1
5d55b4ed6c37e3aa3a7a4802d05db8148d869fcb

SHA256
2206613b3099befb354913d89973acf55437c9aef37877cc0130b6ec990e2c80

SHA512
71aa32608a16e1288d5d00a5312e9330c41f0c0b64be664e11f9d59dd900000b77d467f752bfa005d83765eb9762c0d86410c449630b6010f73ccec32d4155c6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
7aaaede7998f9820ec703022590f9979

SHA1
1bf2a0f07efcbd0f40d282dc99b9952a65b441f2

SHA256
e1a82246b4b614172968f063fecb407e4359d7ebd6cdde69c2a98328348b4393

SHA512
a2eba2fd247c42406db5867eba93c07b6b8181d4ce012054e3a6638053c21ea7fa04125872a368583a6e6c01ab143af075b95b9a6ec21ca7e1889c7378ba2f48

Download Submit
memory/2792-6-0x0000000004B10000-0x0000000004B86000-memory.dmp

Filesize
472KB

Download
memory/2792-3-0x00000000005A0000-0x00000000005BC000-memory.dmp

Filesize
112KB

Download
memory/2792-4-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/2792-5-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/2792-2-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-1-0x0000000000050000-0x00000000000F6000-memory.dmp

Filesize
664KB

Download
memory/2792-19-0x0000000004D40000-0x0000000004D6F000-memory.dmp

Filesize
188KB

Download
memory/2792-26-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/2940-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2940-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2940-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads