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/4956-145-0x0000000000400000-0x000000000042F000-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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

description	pid	process	target process
PID 4004 set thread context of 4956	4004	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

4756 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exec21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

pid process

1804 powershell.exe
1804 powershell.exe
4956 c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
4956 c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1804 powershell.exe

pid	process
4756	schtasks.exe

pid	process
1804	powershell.exe
1804	powershell.exe
4956	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
4956	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

description	pid	process
Token: SeDebugPrivilege	1804	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe

description	pid	process	target process
PID 4004 wrote to memory of 1804	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	powershell.exe
PID 4004 wrote to memory of 1804	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	powershell.exe
PID 4004 wrote to memory of 1804	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	powershell.exe
PID 4004 wrote to memory of 4756	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	schtasks.exe
PID 4004 wrote to memory of 4756	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	schtasks.exe
PID 4004 wrote to memory of 4756	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	schtasks.exe
PID 4004 wrote to memory of 4956	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4004 wrote to memory of 4956	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4004 wrote to memory of 4956	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4004 wrote to memory of 4956	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4004 wrote to memory of 4956	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
PID 4004 wrote to memory of 4956	4004	c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe	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 use of WriteProcessMemory
PID:4004

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:1804

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nLaCRhtjINQTQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2B17.tmp"
2⤵
- Creates scheduled task(s)
PID:4756

C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe
"C:\Users\Admin\AppData\Local\Temp\c21ec1560b66e3e4581a8c6cb41fa769527cfd7a.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4956

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2B17.tmp
Filesize
1KB

MD5
453d3b456345996234371cf5989136ad

SHA1
8993641113807edc9f47e480117ee4c2c952074a

SHA256
00ebcc902076a4e497509f0900bea98cd6477e579f1fd89bc3ce723c8cb5089e

SHA512
16cf803b7981156f69f179556b9ff2bfbe5f9dcfb1a5ff00d5b128d5645a3108015550b71365c8d7c075a61dd616d76381c6d15a7bb836f23b6149cda5ac3bf7

Download Submit
memory/1804-144-0x0000000004F50000-0x0000000004FB6000-memory.dmp

Filesize
408KB

Download
memory/1804-149-0x0000000006450000-0x0000000006482000-memory.dmp

Filesize
200KB

Download
memory/1804-158-0x00000000074C0000-0x00000000074C8000-memory.dmp

Filesize
32KB

Download
memory/1804-142-0x0000000004EB0000-0x0000000004ED2000-memory.dmp

Filesize
136KB

Download
memory/1804-137-0x0000000000000000-mapping.dmp

Download
memory/1804-153-0x00000000071A0000-0x00000000071BA000-memory.dmp

Filesize
104KB

Download
memory/1804-139-0x0000000002560000-0x0000000002596000-memory.dmp

Filesize
216KB

Download
memory/1804-152-0x00000000077E0000-0x0000000007E5A000-memory.dmp

Filesize
6.5MB

Download
memory/1804-146-0x0000000005830000-0x0000000005896000-memory.dmp

Filesize
408KB

Download
memory/1804-155-0x0000000007420000-0x00000000074B6000-memory.dmp

Filesize
600KB

Download
memory/1804-154-0x0000000007210000-0x000000000721A000-memory.dmp

Filesize
40KB

Download
memory/1804-151-0x0000000006430000-0x000000000644E000-memory.dmp

Filesize
120KB

Download
memory/1804-141-0x0000000005050000-0x0000000005678000-memory.dmp

Filesize
6.2MB

Download
memory/1804-157-0x00000000074E0000-0x00000000074FA000-memory.dmp

Filesize
104KB

Download
memory/1804-156-0x00000000073D0000-0x00000000073DE000-memory.dmp

Filesize
56KB

Download
memory/1804-148-0x0000000005E90000-0x0000000005EAE000-memory.dmp

Filesize
120KB

Download
memory/1804-150-0x0000000075AC0000-0x0000000075B0C000-memory.dmp

Filesize
304KB

Download
memory/4004-134-0x0000000004B70000-0x0000000004C02000-memory.dmp

Filesize
584KB

Download
memory/4004-135-0x0000000004AF0000-0x0000000004AFA000-memory.dmp

Filesize
40KB

Download
memory/4004-133-0x0000000005120000-0x00000000056C4000-memory.dmp

Filesize
5.6MB

Download
memory/4004-132-0x0000000000040000-0x0000000000156000-memory.dmp

Filesize
1.1MB

Download
memory/4004-136-0x00000000072E0000-0x000000000737C000-memory.dmp

Filesize
624KB

Download
memory/4756-138-0x0000000000000000-mapping.dmp

Download
memory/4956-147-0x0000000000F10000-0x000000000125A000-memory.dmp

Filesize
3.3MB

Download
memory/4956-145-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4956-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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