formbook | 1358d88e078f1c59b546256968179bf213928f1e6f4e7afa255681b2cd8f92a2

General

Target

mpomzx.exe
Size

309KB
MD5

586f7a1895ea47a462b1d5f6a43fcd33
SHA1

c41cd420af421d31faede9294af1a2edc638d543
SHA256

1358d88e078f1c59b546256968179bf213928f1e6f4e7afa255681b2cd8f92a2
SHA512

2783c07faa3bba31c1a8bdc83ce338ea43ccb044f0af5adf2ede8b8f4534b86536f069b35fad8d6ed4413cc86fac0121632e9db39de919275403547ebff1a130

Score

10^/10

formbook vngb rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

vngb

C2

http://www.gvlc0.club/vngb/

Decoy

omertalasvegas.com

payyep.com

modasportss.com

gestionestrategicadl.com

teamolemiss.club

geektranslate.com

versatileventure.com

athletic-hub.com

vitanovaretreats.com

padison8t.com

tutoeasy.com

ediblewholesale.com

kangrungao.com

satode.com

prohibitionfeeds.com

getmorevacations.com

blinkworldbeauty.com

kdlabsallr.com

almanasef.com

transportationservicellc.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/292-57-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/292-58-0x000000000041F0E0-mapping.dmp	formbook
behavioral1/memory/292-63-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1648-69-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

768 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

mpomzx.exe

pid process

1116 mpomzx.exe

pid	process
768	cmd.exe

pid	process
1116	mpomzx.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

mpomzx.exempomzx.exeNAPSTAT.EXE

description	pid	process	target process
PID 1116 set thread context of 292	1116	mpomzx.exe	mpomzx.exe
PID 292 set thread context of 1380	292	mpomzx.exe	Explorer.EXE
PID 292 set thread context of 1380	292	mpomzx.exe	Explorer.EXE
PID 1648 set thread context of 1380	1648	NAPSTAT.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

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

mpomzx.exeNAPSTAT.EXE

pid	process
292	mpomzx.exe
292	mpomzx.exe
292	mpomzx.exe
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE
1648	NAPSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

mpomzx.exeNAPSTAT.EXE

pid process

292 mpomzx.exe
292 mpomzx.exe
292 mpomzx.exe
292 mpomzx.exe
1648 NAPSTAT.EXE
1648 NAPSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

mpomzx.exeNAPSTAT.EXE

description pid process

Token: SeDebugPrivilege 292 mpomzx.exe
Token: SeDebugPrivilege 1648 NAPSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE

pid	process
1380	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	292	mpomzx.exe
Token: SeDebugPrivilege	1648	NAPSTAT.EXE

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

mpomzx.exeExplorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 1116 wrote to memory of 292	1116	mpomzx.exe	mpomzx.exe
PID 1116 wrote to memory of 292	1116	mpomzx.exe	mpomzx.exe
PID 1116 wrote to memory of 292	1116	mpomzx.exe	mpomzx.exe
PID 1116 wrote to memory of 292	1116	mpomzx.exe	mpomzx.exe
PID 1116 wrote to memory of 292	1116	mpomzx.exe	mpomzx.exe
PID 1116 wrote to memory of 292	1116	mpomzx.exe	mpomzx.exe
PID 1116 wrote to memory of 292	1116	mpomzx.exe	mpomzx.exe
PID 1380 wrote to memory of 1648	1380	Explorer.EXE	NAPSTAT.EXE
PID 1380 wrote to memory of 1648	1380	Explorer.EXE	NAPSTAT.EXE
PID 1380 wrote to memory of 1648	1380	Explorer.EXE	NAPSTAT.EXE
PID 1380 wrote to memory of 1648	1380	Explorer.EXE	NAPSTAT.EXE
PID 1648 wrote to memory of 768	1648	NAPSTAT.EXE	cmd.exe
PID 1648 wrote to memory of 768	1648	NAPSTAT.EXE	cmd.exe
PID 1648 wrote to memory of 768	1648	NAPSTAT.EXE	cmd.exe
PID 1648 wrote to memory of 768	1648	NAPSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1380

C:\Users\Admin\AppData\Local\Temp\mpomzx.exe
"C:\Users\Admin\AppData\Local\Temp\mpomzx.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1116

C:\Users\Admin\AppData\Local\Temp\mpomzx.exe
"C:\Users\Admin\AppData\Local\Temp\mpomzx.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:292

C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\mpomzx.exe"
3⤵
- Deletes itself
PID:768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsiDFC5.tmp\advp.dll
MD5
47a7fbebea22292c405e44ec919c60fc

SHA1
23c5ee9e29719cd957b629da0901e706259adc46

SHA256
0feea087bbb6afebb6c50e8d20b2e00263b1db8744c54d11a39a77e0b0bd3473

SHA512
f142390694e739d498f8148c86e14e6b8f3436a091841574e7683233d0511e2c0896afededad91680423b626aa2cf9ce2bf106a56ead99bb0fce25c5c609068c

Download Submit
memory/292-64-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/292-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/292-58-0x000000000041F0E0-mapping.dmp

Download
memory/292-60-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/292-61-0x00000000002C0000-0x00000000002D4000-memory.dmp

Filesize
80KB

Download
memory/292-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/768-67-0x0000000000000000-mapping.dmp

Download
memory/1116-55-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/1380-62-0x0000000005E90000-0x0000000005F8E000-memory.dmp

Filesize
1016KB

Download
memory/1380-65-0x00000000070C0000-0x00000000071E6000-memory.dmp

Filesize
1.1MB

Download
memory/1380-72-0x0000000007BC0000-0x0000000007D0E000-memory.dmp

Filesize
1.3MB

Download
memory/1648-66-0x0000000000000000-mapping.dmp

Download
memory/1648-68-0x00000000008E0000-0x0000000000926000-memory.dmp

Filesize
280KB

Download
memory/1648-69-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1648-70-0x0000000002000000-0x0000000002303000-memory.dmp

Filesize
3.0MB

Download
memory/1648-71-0x0000000001DE0000-0x0000000001E73000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads