formbook | 320aa8c92e7c70266b35c8a5fc38ed069d68e6e1403b3ce56bab93fbd349d890

General

Target

PO23000251.exe
Size

604KB
MD5

7151c1fc12551a189cf6760f2decb54b
SHA1

afff9a2b21ed9934691b71bd3b22f184690ec909
SHA256

320aa8c92e7c70266b35c8a5fc38ed069d68e6e1403b3ce56bab93fbd349d890
SHA512

bd13aa406ec36c4077a730ebe5947027638929874c2bb02cf72f267c7ed7877b309589613d45720bdc4afe68e54a17666f87c11ff719ccc519812224c5869d63
SSDEEP

12288:SczC2XO/ixYJPRtwS5xSeRvIMC6BjxB4KOvriMT3eftntB:e2XO/AcPRWQxFqM5BjIjTOVn

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/2172-8-0x0000000004190000-0x00000000041BF000-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
2848	powershell.exe

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 2 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	PO23000251.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2172	PO23000251.exe
2172	PO23000251.exe
2172	PO23000251.exe
2172	PO23000251.exe
2172	PO23000251.exe
2172	PO23000251.exe
2172	PO23000251.exe
2172	PO23000251.exe
2172	PO23000251.exe
2172	PO23000251.exe
2172	PO23000251.exe
2848	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	PO23000251.exe
Token: SeDebugPrivilege	2848	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2848	2172	PO23000251.exe	29
PID 2172 wrote to memory of 2848	2172	PO23000251.exe	29
PID 2172 wrote to memory of 2848	2172	PO23000251.exe	29
PID 2172 wrote to memory of 2848	2172	PO23000251.exe	29
PID 2172 wrote to memory of 3024	2172	PO23000251.exe	31
PID 2172 wrote to memory of 3024	2172	PO23000251.exe	31
PID 2172 wrote to memory of 3024	2172	PO23000251.exe	31
PID 2172 wrote to memory of 3024	2172	PO23000251.exe	31
PID 2172 wrote to memory of 3028	2172	PO23000251.exe	32
PID 2172 wrote to memory of 3028	2172	PO23000251.exe	32
PID 2172 wrote to memory of 3028	2172	PO23000251.exe	32
PID 2172 wrote to memory of 3028	2172	PO23000251.exe	32
PID 2172 wrote to memory of 2876	2172	PO23000251.exe	33
PID 2172 wrote to memory of 2876	2172	PO23000251.exe	33
PID 2172 wrote to memory of 2876	2172	PO23000251.exe	33
PID 2172 wrote to memory of 2876	2172	PO23000251.exe	33
PID 2172 wrote to memory of 2284	2172	PO23000251.exe	34
PID 2172 wrote to memory of 2284	2172	PO23000251.exe	34
PID 2172 wrote to memory of 2284	2172	PO23000251.exe	34
PID 2172 wrote to memory of 2284	2172	PO23000251.exe	34
PID 2172 wrote to memory of 3032	2172	PO23000251.exe	35
PID 2172 wrote to memory of 3032	2172	PO23000251.exe	35
PID 2172 wrote to memory of 3032	2172	PO23000251.exe	35
PID 2172 wrote to memory of 3032	2172	PO23000251.exe	35

C:\Users\Admin\AppData\Local\Temp\PO23000251.exe
"C:\Users\Admin\AppData\Local\Temp\PO23000251.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172
- 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\PO23000251.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2848
- C:\Users\Admin\AppData\Local\Temp\PO23000251.exe
  "C:\Users\Admin\AppData\Local\Temp\PO23000251.exe"
  2⤵
  PID:3024
- C:\Users\Admin\AppData\Local\Temp\PO23000251.exe
  "C:\Users\Admin\AppData\Local\Temp\PO23000251.exe"
  2⤵
  PID:3028
- C:\Users\Admin\AppData\Local\Temp\PO23000251.exe
  "C:\Users\Admin\AppData\Local\Temp\PO23000251.exe"
  2⤵
  PID:2876
- C:\Users\Admin\AppData\Local\Temp\PO23000251.exe
  "C:\Users\Admin\AppData\Local\Temp\PO23000251.exe"
  2⤵
  PID:2284
- C:\Users\Admin\AppData\Local\Temp\PO23000251.exe
  "C:\Users\Admin\AppData\Local\Temp\PO23000251.exe"
  2⤵
  PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

memory/2172-0-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/2172-1-0x00000000003D0000-0x000000000046A000-memory.dmp

Filesize
616KB

Download
memory/2172-2-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-3-0x0000000000370000-0x0000000000382000-memory.dmp

Filesize
72KB

Download
memory/2172-4-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/2172-5-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-6-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-7-0x00000000052D0000-0x0000000005346000-memory.dmp

Filesize
472KB

Download
memory/2172-8-0x0000000004190000-0x00000000041BF000-memory.dmp

Filesize
188KB

Download
memory/2172-9-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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