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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1720-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1720-68-0x000000000041F150-mapping.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

Processes:

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

description	pid	process	target process
PID 364 set thread context of 1720	364	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

1416 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

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

pid process

1720 SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
940 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 940 powershell.exe

pid	process
1416	schtasks.exe

pid	process
1720	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
940	powershell.exe

description	pid	process
Token: SeDebugPrivilege	940	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

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

description	pid	process	target process
PID 364 wrote to memory of 940	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	powershell.exe
PID 364 wrote to memory of 940	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	powershell.exe
PID 364 wrote to memory of 940	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	powershell.exe
PID 364 wrote to memory of 940	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	powershell.exe
PID 364 wrote to memory of 1416	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	schtasks.exe
PID 364 wrote to memory of 1416	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	schtasks.exe
PID 364 wrote to memory of 1416	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	schtasks.exe
PID 364 wrote to memory of 1416	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	schtasks.exe
PID 364 wrote to memory of 1720	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 364 wrote to memory of 1720	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 364 wrote to memory of 1720	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 364 wrote to memory of 1720	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 364 wrote to memory of 1720	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 364 wrote to memory of 1720	364	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe	SecuriteInfo.com.Trojan.PWS.Siggen3.24938.19146.12821.exe
PID 364 wrote to memory of 1720	364	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⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:364

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:940

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tWStOCQnYqUiv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA4D8.tmp"
2⤵
- Creates scheduled task(s)
PID:1416

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:1720

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA4D8.tmp
Filesize
1KB

MD5
1d1448624ceda9e113e65fcaa8f2475f

SHA1
0a0f481040fcc38eddf577e3892497cec7514d59

SHA256
8b4aeec17a6452a3cfbee6018e143a7f3f42ab22d3aba494c69889feeff49661

SHA512
d69abc8c04c1defda7082a0a8d7cebe2d4453030de8a1739e399f35694e0421b9b55143a5a4faf2703e4a3f29573e0d727f8bd913344738da849a1c059fbfe3b

Download Submit
memory/364-63-0x00000000052E0000-0x000000000535E000-memory.dmp

Filesize
504KB

Download
memory/364-57-0x0000000000480000-0x000000000048E000-memory.dmp

Filesize
56KB

Download
memory/364-58-0x0000000008070000-0x0000000008128000-memory.dmp

Filesize
736KB

Download
memory/364-56-0x0000000000460000-0x000000000047A000-memory.dmp

Filesize
104KB

Download
memory/364-54-0x0000000000CF0000-0x0000000000DE8000-memory.dmp

Filesize
992KB

Download
memory/364-55-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/940-70-0x000000006EB60000-0x000000006F10B000-memory.dmp

Filesize
5.7MB

Download
memory/940-59-0x0000000000000000-mapping.dmp

Download
memory/940-71-0x000000006EB60000-0x000000006F10B000-memory.dmp

Filesize
5.7MB

Download
memory/1416-60-0x0000000000000000-mapping.dmp

Download
memory/1720-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1720-68-0x000000000041F150-mapping.dmp

Download
memory/1720-69-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/1720-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1720-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads