formbook | 7ce7ca5deeb35f3cce19ca4e01e28aebe9f1b03dc8778a2e85e0d515a6df1a3e

General

Target

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
Size

1.1MB
MD5

e9ad14c57de3288fd9de4d5cdcbf66e0
SHA1

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a
SHA256

7ce7ca5deeb35f3cce19ca4e01e28aebe9f1b03dc8778a2e85e0d515a6df1a3e
SHA512

61199ba16efbe0036e909a05b46ce41a36b019bc6af9cdd8c39bde1ff595d0309bbaca766820c9bfef9d221d3bc850cd5f7e42729fc43a1d5d6a1fb6c8236ba5
SSDEEP

24576:e0pUTyvWX1Qf+cBX0RxfAx5lv2s6MDYTbJNkj:TUT3XTcR0zIBv2lMDYTbJNM

Score

10^/10

formbook oi05 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oi05

Decoy

fluidavail.online

blchain.tech

kyocera.website

sangmine.xyz

thepolicyjacket.info

ssvhelpman.net

y-t-design.com

eminentabroad.com

codingcamp.store

bester.capital

tanjiya23.site

bheniamyn.dev

top5monitor.com

bit-prim.trade

airstreamsocialclub.com

darkwarspod.com

zazisalesdistribution.com

vivolentlo.online

daftburo.net

elemangelsin.xyz

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3460-144-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

description	pid	process	target process
PID 4432 set thread context of 3460	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4976 schtasks.exe

pid	process
4976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exepowershell.exec21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

pid	process
4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
3592	powershell.exe
3592	powershell.exe
3460	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
3460	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4432 c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
Token: SeDebugPrivilege 3592 powershell.exe

description	pid	process
Token: SeDebugPrivilege	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
Token: SeDebugPrivilege	3592	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
"C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4432

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nLaCRhtjINQTQ.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3592

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nLaCRhtjINQTQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39BD.tmp"
2⤵
- Creates scheduled task(s)
PID:4976

C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
"C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
2⤵
PID:2944

C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
"C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3460

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp39BD.tmp
Filesize
1KB

MD5
6fcd3d2ee2b97c2fbeafd4b225d5f32f

SHA1
2845ddaf32f02d1fb14a069c8cb95ba4b378dd08

SHA256
8f5f922bd92dd835531259ee734608efc2476d8023957690909f086c8881798d

SHA512
07c28538df0b8aebbd710bfb6089bb806247b91f15560b890d6539f622209bba25934ead0122d60ea43c6da98bc93c075be5e9be59891649f2eb1774c8fc496a

Download Submit
memory/2944-142-0x0000000000000000-mapping.dmp

Download
memory/3460-148-0x0000000001330000-0x000000000167A000-memory.dmp

Filesize
3.3MB

Download
memory/3460-143-0x0000000000000000-mapping.dmp

Download
memory/3460-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3592-146-0x0000000005D50000-0x0000000005DB6000-memory.dmp

Filesize
408KB

Download
memory/3592-156-0x00000000079E0000-0x0000000007A76000-memory.dmp

Filesize
600KB

Download
memory/3592-139-0x0000000004E90000-0x0000000004EC6000-memory.dmp

Filesize
216KB

Download
memory/3592-137-0x0000000000000000-mapping.dmp

Download
memory/3592-141-0x0000000005570000-0x0000000005B98000-memory.dmp

Filesize
6.2MB

Download
memory/3592-159-0x0000000007A80000-0x0000000007A88000-memory.dmp

Filesize
32KB

Download
memory/3592-158-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

Filesize
104KB

Download
memory/3592-157-0x0000000007990000-0x000000000799E000-memory.dmp

Filesize
56KB

Download
memory/3592-145-0x0000000005480000-0x00000000054A2000-memory.dmp

Filesize
136KB

Download
memory/3592-154-0x0000000007760000-0x000000000777A000-memory.dmp

Filesize
104KB

Download
memory/3592-147-0x0000000005E30000-0x0000000005E96000-memory.dmp

Filesize
408KB

Download
memory/3592-155-0x00000000077D0000-0x00000000077DA000-memory.dmp

Filesize
40KB

Download
memory/3592-149-0x0000000006450000-0x000000000646E000-memory.dmp

Filesize
120KB

Download
memory/3592-150-0x0000000006A20000-0x0000000006A52000-memory.dmp

Filesize
200KB

Download
memory/3592-151-0x0000000071800000-0x000000007184C000-memory.dmp

Filesize
304KB

Download
memory/3592-152-0x0000000006A00000-0x0000000006A1E000-memory.dmp

Filesize
120KB

Download
memory/3592-153-0x0000000007DA0000-0x000000000841A000-memory.dmp

Filesize
6.5MB

Download
memory/4432-135-0x0000000004BB0000-0x0000000004BBA000-memory.dmp

Filesize
40KB

Download
memory/4432-133-0x00000000051F0000-0x0000000005794000-memory.dmp

Filesize
5.6MB

Download
memory/4432-132-0x0000000000100000-0x0000000000216000-memory.dmp

Filesize
1.1MB

Download
memory/4432-134-0x0000000004C40000-0x0000000004CD2000-memory.dmp

Filesize
584KB

Download
memory/4432-136-0x0000000007350000-0x00000000073EC000-memory.dmp

Filesize
624KB

Download
memory/4976-138-0x0000000000000000-mapping.dmp

Download

description	pid	process	target process
PID 4432 wrote to memory of 3592	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	powershell.exe
PID 4432 wrote to memory of 3592	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	powershell.exe
PID 4432 wrote to memory of 3592	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	powershell.exe
PID 4432 wrote to memory of 4976	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	schtasks.exe
PID 4432 wrote to memory of 4976	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	schtasks.exe
PID 4432 wrote to memory of 4976	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	schtasks.exe
PID 4432 wrote to memory of 2944	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4432 wrote to memory of 2944	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4432 wrote to memory of 2944	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4432 wrote to memory of 3460	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4432 wrote to memory of 3460	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4432 wrote to memory of 3460	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4432 wrote to memory of 3460	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4432 wrote to memory of 3460	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4432 wrote to memory of 3460	4432	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads