formbook | ddec6968806b89640eed8ad10d3f33e1cdf0c5a9f596e128d9f3fbcecfad5fbd

General

Target

SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe
Size

740KB
MD5

a33d9b8d1cf40a7d3bd2601917276ed4
SHA1

4fcf9b739705cdc9dd1643c152df2a1db4ae2e48
SHA256

ddec6968806b89640eed8ad10d3f33e1cdf0c5a9f596e128d9f3fbcecfad5fbd
SHA512

0d8870bfcee2d68eff506ae507f9e20b25dc9ec4eb54d8212dc8743a8e443b26cded51e9e845777d2f124d86ca26495694553e05872a6668fdd2dff634cd4892
SSDEEP

12288:kwl+momPZefiPtqvyu1JtnN8t2iZX65arc2+dTbt1NbXBFHWf0Tg90/G:romxiiQF1fN88iZX65S+t1NzBRWeaoG

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/4784-142-0x0000000000400000-0x000000000042F000-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:

SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe

description	pid	process	target process
PID 2548 set thread context of 4784	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.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

3720 schtasks.exe

pid	process
3720	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeSecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe

pid	process
3060	powershell.exe
3060	powershell.exe
4784	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe
4784	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3060 powershell.exe

description	pid	process
Token: SeDebugPrivilege	3060	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe

description	pid	process	target process
PID 2548 wrote to memory of 3060	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	powershell.exe
PID 2548 wrote to memory of 3060	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	powershell.exe
PID 2548 wrote to memory of 3060	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	powershell.exe
PID 2548 wrote to memory of 3720	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	schtasks.exe
PID 2548 wrote to memory of 3720	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	schtasks.exe
PID 2548 wrote to memory of 3720	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	schtasks.exe
PID 2548 wrote to memory of 4784	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe
PID 2548 wrote to memory of 4784	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe
PID 2548 wrote to memory of 4784	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe
PID 2548 wrote to memory of 4784	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe
PID 2548 wrote to memory of 4784	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe
PID 2548 wrote to memory of 4784	2548	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe	SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2548

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Nbhdpo.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3060

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Nbhdpo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D21.tmp"
2⤵
- Creates scheduled task(s)
PID:3720

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen19.18804.23332.14940.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4784

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6D21.tmp
Filesize
1KB

MD5
1ae3f7367b5de85907510f48a665eb15

SHA1
253b7a381084f87c89e0f79d582850eb233a0abc

SHA256
7467c72d56b521172ba3d6b1d6cd34eee37b43b2ff54417defc899188e3c899c

SHA512
9b63568976c7b8b80bcf3c9f63ef378ff672945a0d5a1f79c043d4fddb72a4ff91cad90552a0427d1fca3c2287454c90cae799e35c2be4ef6d62f38a2cb9bb01

Download Submit
memory/2548-133-0x0000000005DD0000-0x0000000006374000-memory.dmp

Filesize
5.6MB

Download
memory/2548-134-0x00000000058C0000-0x0000000005952000-memory.dmp

Filesize
584KB

Download
memory/2548-135-0x0000000005A50000-0x0000000005A5A000-memory.dmp

Filesize
40KB

Download
memory/2548-136-0x000000000B890000-0x000000000B92C000-memory.dmp

Filesize
624KB

Download
memory/2548-132-0x0000000000E60000-0x0000000000F1E000-memory.dmp

Filesize
760KB

Download
memory/3060-150-0x0000000071BF0000-0x0000000071C3C000-memory.dmp

Filesize
304KB

Download
memory/3060-149-0x0000000006DE0000-0x0000000006E12000-memory.dmp

Filesize
200KB

Download
memory/3060-158-0x0000000007E40000-0x0000000007E48000-memory.dmp

Filesize
32KB

Download
memory/3060-157-0x0000000007E60000-0x0000000007E7A000-memory.dmp

Filesize
104KB

Download
memory/3060-156-0x0000000007D50000-0x0000000007D5E000-memory.dmp

Filesize
56KB

Download
memory/3060-143-0x0000000005900000-0x0000000005F28000-memory.dmp

Filesize
6.2MB

Download
memory/3060-144-0x0000000005850000-0x0000000005872000-memory.dmp

Filesize
136KB

Download
memory/3060-145-0x0000000005F30000-0x0000000005F96000-memory.dmp

Filesize
408KB

Download
memory/3060-146-0x0000000006190000-0x00000000061F6000-memory.dmp

Filesize
408KB

Download
memory/3060-155-0x0000000007DA0000-0x0000000007E36000-memory.dmp

Filesize
600KB

Download
memory/3060-148-0x0000000006820000-0x000000000683E000-memory.dmp

Filesize
120KB

Download
memory/3060-139-0x0000000005240000-0x0000000005276000-memory.dmp

Filesize
216KB

Download
memory/3060-137-0x0000000000000000-mapping.dmp

Download
memory/3060-151-0x0000000006DC0000-0x0000000006DDE000-memory.dmp

Filesize
120KB

Download
memory/3060-152-0x0000000008160000-0x00000000087DA000-memory.dmp

Filesize
6.5MB

Download
memory/3060-153-0x0000000007B20000-0x0000000007B3A000-memory.dmp

Filesize
104KB

Download
memory/3060-154-0x0000000007B90000-0x0000000007B9A000-memory.dmp

Filesize
40KB

Download
memory/3720-138-0x0000000000000000-mapping.dmp

Download
memory/4784-147-0x00000000019D0000-0x0000000001D1A000-memory.dmp

Filesize
3.3MB

Download
memory/4784-142-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4784-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads