formbook | ff3e1eb7787b16b842a3c16347fccc76932f29422f50a96f639d5c8364a565c5

General

Target

Payment TT S lip no 8393.exe
Size

495KB
MD5

209022637f55d36fa877e8c4931d2f03
SHA1

b77ae6847ac5c4ca53af477f321183c36675543c
SHA256

7ba579db4b2485e75dbeff653199f592e4067706225975038ad011b73562c3fb
SHA512

19788a7bd0083429492025739b4b087a1afb058ca1331f4ce0be2029120b709c50acd85d6da3d2909407c2e785b3e726a139c465e2bda422894e6da71be2b003

Score

10^/10

formbook r4gk rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

r4gk

C2

http://www.aprilsaak.quest/r4gk/

Decoy

quantalix.com

animalblog-eggs.com

039skz.xyz

guttas.net

lasantadayparty.com

protegerfinanceservices.com

vixtest.xyz

digitaleconomy.global

0xpax.xyz

mobilehome1688.com

themotionpartners.com

valueney.com

hattuafhv.quest

js0061gj.net

360metaverse.biz

seculardata.com

346727688.xyz

smartmapom.com

moksel.com

exoduswatchco.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4496-125-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4496-126-0x000000000041F110-mapping.dmp	formbook
behavioral2/memory/588-133-0x0000000000390000-0x00000000003BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

Payment TT S lip no 8393.exePayment TT S lip no 8393.exehelp.exe

description	pid	process	target process
PID 4392 set thread context of 4496	4392	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 4496 set thread context of 2872	4496	Payment TT S lip no 8393.exe	Explorer.EXE
PID 588 set thread context of 2872	588	help.exe	Explorer.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

4684 schtasks.exe

pid	process
4684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

Payment TT S lip no 8393.exePayment TT S lip no 8393.exehelp.exe

pid	process
4392	Payment TT S lip no 8393.exe
4392	Payment TT S lip no 8393.exe
4392	Payment TT S lip no 8393.exe
4392	Payment TT S lip no 8393.exe
4496	Payment TT S lip no 8393.exe
4496	Payment TT S lip no 8393.exe
4496	Payment TT S lip no 8393.exe
4496	Payment TT S lip no 8393.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe
588	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2872 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Payment TT S lip no 8393.exehelp.exe

pid process

4496 Payment TT S lip no 8393.exe
4496 Payment TT S lip no 8393.exe
4496 Payment TT S lip no 8393.exe
588 help.exe
588 help.exe

pid	process
2872	Explorer.EXE

pid	process
4496	Payment TT S lip no 8393.exe
4496	Payment TT S lip no 8393.exe
4496	Payment TT S lip no 8393.exe
588	help.exe
588	help.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

Payment TT S lip no 8393.exePayment TT S lip no 8393.exehelp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4392	Payment TT S lip no 8393.exe
Token: SeDebugPrivilege	4496	Payment TT S lip no 8393.exe
Token: SeDebugPrivilege	588	help.exe
Token: SeShutdownPrivilege	2872	Explorer.EXE
Token: SeCreatePagefilePrivilege	2872	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Payment TT S lip no 8393.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 4392 wrote to memory of 4684	4392	Payment TT S lip no 8393.exe	schtasks.exe
PID 4392 wrote to memory of 4684	4392	Payment TT S lip no 8393.exe	schtasks.exe
PID 4392 wrote to memory of 4684	4392	Payment TT S lip no 8393.exe	schtasks.exe
PID 4392 wrote to memory of 4496	4392	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 4392 wrote to memory of 4496	4392	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 4392 wrote to memory of 4496	4392	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 4392 wrote to memory of 4496	4392	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 4392 wrote to memory of 4496	4392	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 4392 wrote to memory of 4496	4392	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 2872 wrote to memory of 588	2872	Explorer.EXE	help.exe
PID 2872 wrote to memory of 588	2872	Explorer.EXE	help.exe
PID 2872 wrote to memory of 588	2872	Explorer.EXE	help.exe
PID 588 wrote to memory of 908	588	help.exe	cmd.exe
PID 588 wrote to memory of 908	588	help.exe	cmd.exe
PID 588 wrote to memory of 908	588	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2872

C:\Users\Admin\AppData\Local\Temp\Payment TT S lip no 8393.exe
"C:\Users\Admin\AppData\Local\Temp\Payment TT S lip no 8393.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4392

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aVFNduvXLREF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp56D6.tmp"
3⤵
- Creates scheduled task(s)
PID:4684

C:\Users\Admin\AppData\Local\Temp\Payment TT S lip no 8393.exe
"C:\Users\Admin\AppData\Local\Temp\Payment TT S lip no 8393.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4496

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:588

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Payment TT S lip no 8393.exe"
3⤵
PID:908

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/588-136-0x0000000000AE0000-0x0000000000B73000-memory.dmp

Filesize
588KB

Download
memory/588-135-0x0000000002E50000-0x0000000003170000-memory.dmp

Filesize
3.1MB

Download
memory/588-133-0x0000000000390000-0x00000000003BF000-memory.dmp

Filesize
188KB

Download
memory/588-132-0x0000000000E40000-0x0000000000E47000-memory.dmp

Filesize
28KB

Download
memory/588-131-0x0000000000000000-mapping.dmp

Download
memory/908-134-0x0000000000000000-mapping.dmp

Download
memory/2872-130-0x0000000005BC0000-0x0000000005CE8000-memory.dmp

Filesize
1.2MB

Download
memory/2872-137-0x0000000005CF0000-0x0000000005E38000-memory.dmp

Filesize
1.3MB

Download
memory/4392-121-0x0000000005990000-0x0000000005996000-memory.dmp

Filesize
24KB

Download
memory/4392-123-0x0000000008040000-0x0000000008090000-memory.dmp

Filesize
320KB

Download
memory/4392-122-0x0000000008090000-0x0000000008091000-memory.dmp

Filesize
4KB

Download
memory/4392-115-0x0000000000D00000-0x0000000000D01000-memory.dmp

Filesize
4KB

Download
memory/4392-120-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/4392-119-0x0000000005560000-0x0000000005A5E000-memory.dmp

Filesize
5.0MB

Download
memory/4392-118-0x0000000005600000-0x0000000005601000-memory.dmp

Filesize
4KB

Download
memory/4392-117-0x0000000005A60000-0x0000000005A61000-memory.dmp

Filesize
4KB

Download
memory/4496-125-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4496-126-0x000000000041F110-mapping.dmp

Download
memory/4496-129-0x00000000019E0000-0x00000000019F4000-memory.dmp

Filesize
80KB

Download
memory/4496-128-0x0000000001BB0000-0x0000000001ED0000-memory.dmp

Filesize
3.1MB

Download
memory/4684-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads