formbook | 0baedfe6121c3fdc3438625335a05080f6e347bf6ff29910d2ff35b2aa02d4d5

General

Target

SKM_C221200706052800.exe
Size

273KB
MD5

3c51788968fa6ed67bde7511b1868b08
SHA1

194e63c851406e2ac39ef09d48ab35871e041ccc
SHA256

0baedfe6121c3fdc3438625335a05080f6e347bf6ff29910d2ff35b2aa02d4d5
SHA512

2f872cd65df657e420c8d47e4b9ef2919ecc4b8170855751f8b26faec02fe59df949cb9c3306327250911292d52261a1a28970c2ba41044e47e4f7cb8a3e4467

Score

10^/10

formbook xloader loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.destinny.com/s9zh/

Decoy

paintedinafrica.com

electrumfix.download

edlange.com

tqiawy.xyz

satiscenter.xyz

nc-affiliates.com

agencybuilderforum.com

testabcde.net

venisseturf.net

rubenvdsande.com

nzmatrimony.com

mdthriftsandflips.com

virtualfxstudio.com

communityinsuranceut.com

qqbokep.com

copeva.net

bookedupdaily.com

houstongrowmyairway.com

fortunapublishing.com

empireplumbingandheating.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1768-4-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1768-5-0x000000000041D060-mapping.dmp	xloader
behavioral1/memory/268-13-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

SKM_C221200706052800.exevbc.exemsiexec.exe

description	pid	process	target process
PID 1864 set thread context of 1768	1864	SKM_C221200706052800.exe	vbc.exe
PID 1768 set thread context of 1220	1768	vbc.exe	Explorer.EXE
PID 268 set thread context of 1220	268	msiexec.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

SKM_C221200706052800.exevbc.exemsiexec.exe

pid	process
1864	SKM_C221200706052800.exe
1864	SKM_C221200706052800.exe
1864	SKM_C221200706052800.exe
1768	vbc.exe
1768	vbc.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe
268	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exemsiexec.exe

pid process

1768 vbc.exe
1768 vbc.exe
1768 vbc.exe
268 msiexec.exe
268 msiexec.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

SKM_C221200706052800.exevbc.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 1864 SKM_C221200706052800.exe
Token: SeDebugPrivilege 1768 vbc.exe
Token: SeDebugPrivilege 268 msiexec.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE
1220 Explorer.EXE

pid	process
1768	vbc.exe
1768	vbc.exe
1768	vbc.exe
268	msiexec.exe
268	msiexec.exe

description	pid	process
Token: SeDebugPrivilege	1864	SKM_C221200706052800.exe
Token: SeDebugPrivilege	1768	vbc.exe
Token: SeDebugPrivilege	268	msiexec.exe

pid	process
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

SKM_C221200706052800.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1864 wrote to memory of 1768	1864	SKM_C221200706052800.exe	vbc.exe
PID 1864 wrote to memory of 1768	1864	SKM_C221200706052800.exe	vbc.exe
PID 1864 wrote to memory of 1768	1864	SKM_C221200706052800.exe	vbc.exe
PID 1864 wrote to memory of 1768	1864	SKM_C221200706052800.exe	vbc.exe
PID 1864 wrote to memory of 1768	1864	SKM_C221200706052800.exe	vbc.exe
PID 1864 wrote to memory of 1768	1864	SKM_C221200706052800.exe	vbc.exe
PID 1864 wrote to memory of 1768	1864	SKM_C221200706052800.exe	vbc.exe
PID 1220 wrote to memory of 268	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 268	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 268	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 268	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 268	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 268	1220	Explorer.EXE	msiexec.exe
PID 1220 wrote to memory of 268	1220	Explorer.EXE	msiexec.exe
PID 268 wrote to memory of 1156	268	msiexec.exe	cmd.exe
PID 268 wrote to memory of 1156	268	msiexec.exe	cmd.exe
PID 268 wrote to memory of 1156	268	msiexec.exe	cmd.exe
PID 268 wrote to memory of 1156	268	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1220

C:\Users\Admin\AppData\Local\Temp\SKM_C221200706052800.exe
"C:\Users\Admin\AppData\Local\Temp\SKM_C221200706052800.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1768

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:268

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
3⤵
PID:1156

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/268-10-0x0000000000000000-mapping.dmp

Download
memory/268-16-0x00000000020D0000-0x0000000002160000-memory.dmp

Filesize
576KB

Download
memory/268-14-0x0000000002280000-0x0000000002583000-memory.dmp

Filesize
3.0MB

Download
memory/268-13-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/268-12-0x0000000000600000-0x0000000000614000-memory.dmp

Filesize
80KB

Download
memory/1156-15-0x0000000000000000-mapping.dmp

Download
memory/1220-9-0x0000000006390000-0x00000000064BF000-memory.dmp

Filesize
1.2MB

Download
memory/1220-17-0x0000000004F10000-0x000000000502E000-memory.dmp

Filesize
1.1MB

Download
memory/1768-7-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/1768-8-0x0000000000580000-0x0000000000591000-memory.dmp

Filesize
68KB

Download
memory/1768-5-0x000000000041D060-mapping.dmp

Download
memory/1768-4-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1864-2-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1864-3-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads