formbook | 60f594736fc96f0657680d022bd9b9117a4a7d08c1e80812b29d64fa69f814a3

General

Target

SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
Size

970KB
MD5

13b2b2026b8f099fbb366c29288c3f22
SHA1

d88b2101375f249288bd8060460f0c5874c8bc5c
SHA256

60f594736fc96f0657680d022bd9b9117a4a7d08c1e80812b29d64fa69f814a3
SHA512

e815486a563050a5deecb658e97be44166faf77620ac712182b5a27e96ecc54565fccbdc234cf929685348198db9aa3cdf284951bbbd5d9790e13ee06dcdf792
SSDEEP

12288:GffyzF/GvWexBwO6pt0CKQ2BYj7yKBAhRLvO5pfslGyKMSMaGqsj0V1nedmVpFL:GffQexBSOCKxqjWC7kk8GGZj0V5NpF

Score

10^/10

formbook f9r5 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

f9r5

Decoy

teknotimur.com

zuliboo.com

remmingtoncampbell.com

vehicletitleloansphoenix.com

sen-computer.com

98731.biz

shelikesblu.com

canis-totem.com

metaversemedianetwork.com

adsdu.com

vanishmediasystems.com

astewaykebede.com

wszhongxue.com

gacha-animator-free.com

papatyadekorasyon.com

mqc168.top

simplebrilliantsolutions.com

jubileehawkesprairie.com

ridflab.com

conboysfilm.com

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/480-143-0x0000000000400000-0x000000000042F000-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.PWS.Siggen3.24938.19146.12821.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe

description	pid	process	target process
PID 4768 set thread context of 480	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.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

316 schtasks.exe

pid	process
316	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeSecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe

pid	process
3968	powershell.exe
480	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
480	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
3968	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3968 powershell.exe

description	pid	process
Token: SeDebugPrivilege	3968	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe

description	pid	process	target process
PID 4768 wrote to memory of 3968	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	powershell.exe
PID 4768 wrote to memory of 3968	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	powershell.exe
PID 4768 wrote to memory of 3968	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	powershell.exe
PID 4768 wrote to memory of 316	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	schtasks.exe
PID 4768 wrote to memory of 316	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	schtasks.exe
PID 4768 wrote to memory of 316	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	schtasks.exe
PID 4768 wrote to memory of 480	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 4768 wrote to memory of 480	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 4768 wrote to memory of 480	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 4768 wrote to memory of 480	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 4768 wrote to memory of 480	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 4768 wrote to memory of 480	4768	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4768

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tWStOCQnYqUiv.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3968

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tWStOCQnYqUiv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp42FF.tmp"
2⤵
- Creates scheduled task(s)
PID:316

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:480

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\tmp42FF.tmp
Filesize
1KB

MD5
49ca5a5f53fa84923f526611f6ac6676

SHA1
d2d8ed16d4e52731af785c75262522d20c5545d9

SHA256
d93a7d4152f1ed6b84e30e0934dc841c8bd6ca0cb917530578607bb0d0dd66e5

SHA512
be44aeddcf000822ef5861739080ae8d5a96305ca7d77c98ca7ad39f10c502fc66e6e2db690667fe03b8ea83d8feb6a6ba3dccc7b0c7adcca27799f729924cfd

Download Submit
memory/316-138-0x0000000000000000-mapping.dmp

Download
memory/480-147-0x00000000010E0000-0x000000000142A000-memory.dmp

Filesize
3.3MB

Download
memory/480-143-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/480-142-0x0000000000000000-mapping.dmp

Download
memory/3968-144-0x0000000004D60000-0x0000000004D82000-memory.dmp

Filesize
136KB

Download
memory/3968-153-0x0000000006F30000-0x0000000006F4A000-memory.dmp

Filesize
104KB

Download
memory/3968-139-0x0000000004650000-0x0000000004686000-memory.dmp

Filesize
216KB

Download
memory/3968-158-0x0000000007260000-0x0000000007268000-memory.dmp

Filesize
32KB

Download
memory/3968-141-0x0000000004E00000-0x0000000005428000-memory.dmp

Filesize
6.2MB

Download
memory/3968-157-0x0000000007270000-0x000000000728A000-memory.dmp

Filesize
104KB

Download
memory/3968-156-0x0000000007170000-0x000000000717E000-memory.dmp

Filesize
56KB

Download
memory/3968-155-0x00000000071B0000-0x0000000007246000-memory.dmp

Filesize
600KB

Download
memory/3968-145-0x0000000005560000-0x00000000055C6000-memory.dmp

Filesize
408KB

Download
memory/3968-146-0x0000000005640000-0x00000000056A6000-memory.dmp

Filesize
408KB

Download
memory/3968-154-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

Filesize
40KB

Download
memory/3968-148-0x0000000005C40000-0x0000000005C5E000-memory.dmp

Filesize
120KB

Download
memory/3968-149-0x0000000006DE0000-0x0000000006E12000-memory.dmp

Filesize
200KB

Download
memory/3968-150-0x0000000071530000-0x000000007157C000-memory.dmp

Filesize
304KB

Download
memory/3968-151-0x00000000061E0000-0x00000000061FE000-memory.dmp

Filesize
120KB

Download
memory/3968-152-0x0000000007580000-0x0000000007BFA000-memory.dmp

Filesize
6.5MB

Download
memory/3968-137-0x0000000000000000-mapping.dmp

Download
memory/4768-133-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/4768-132-0x00000000005E0000-0x00000000006D8000-memory.dmp

Filesize
992KB

Download
memory/4768-134-0x00000000050C0000-0x0000000005152000-memory.dmp

Filesize
584KB

Download
memory/4768-135-0x0000000002D20000-0x0000000002D2A000-memory.dmp

Filesize
40KB

Download
memory/4768-136-0x000000000B140000-0x000000000B1DC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads