formbook | 71cb97b67ebcc50a0bef217b3ca9591cfa49f6b8c8d11ee9952c2cde0b7b6a51

General

Target

PO91206762.exe
Size

194KB
MD5

54c6e68d889239ef978e4221f8add60f
SHA1

500f8852aa4cf26eb57d544fa3017bbab75aafce
SHA256

71cb97b67ebcc50a0bef217b3ca9591cfa49f6b8c8d11ee9952c2cde0b7b6a51
SHA512

09d0bc694eababc0de157884383fff81c07b5c576bfcbfdf763b41b8a96a845b4fc29b04ccd0b82e70de085696f86afd79b94f2be210b545e0a91d0ffd793a7e

Score

10^/10

formbook rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.yjhlgg.com/grve/

Decoy

jrvinganimalexterminator.com

smallsyalls.com

po1c3.com

mencg.com

aussieenjoyment.today

espace22.com

aanmelding-desk.info

gallopshoes.com

nftsexy.com

ricosdulcesmexicanos.com

riseswift.com

thechicthirty.com

matdcg.com

alternet.today

creativehuesdesigns.com

rjkcrafts.com

lowdosemortgage.com

adoptahamster.com

wellness-sense.com

jacardcapital.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

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1616-62-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1436-69-0x00000000000C0000-0x00000000000EE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1572 cmd.exe

pid	process
1572	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

PO91206762.exePO91206762.exewininit.exe

description	pid	process	target process
PID 468 set thread context of 1616	468	PO91206762.exe	PO91206762.exe
PID 1616 set thread context of 1200	1616	PO91206762.exe	Explorer.EXE
PID 1436 set thread context of 1200	1436	wininit.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

PO91206762.exewininit.exe

pid	process
1616	PO91206762.exe
1616	PO91206762.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe
1436	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PO91206762.exePO91206762.exewininit.exe

pid process

468 PO91206762.exe
1616 PO91206762.exe
1616 PO91206762.exe
1616 PO91206762.exe
1436 wininit.exe
1436 wininit.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO91206762.exewininit.exe

description pid process

Token: SeDebugPrivilege 1616 PO91206762.exe
Token: SeDebugPrivilege 1436 wininit.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE

pid	process
1200	Explorer.EXE

pid	process
468	PO91206762.exe
1616	PO91206762.exe
1616	PO91206762.exe
1616	PO91206762.exe
1436	wininit.exe
1436	wininit.exe

description	pid	process
Token: SeDebugPrivilege	1616	PO91206762.exe
Token: SeDebugPrivilege	1436	wininit.exe

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO91206762.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 468 wrote to memory of 1616	468	PO91206762.exe	PO91206762.exe
PID 468 wrote to memory of 1616	468	PO91206762.exe	PO91206762.exe
PID 468 wrote to memory of 1616	468	PO91206762.exe	PO91206762.exe
PID 468 wrote to memory of 1616	468	PO91206762.exe	PO91206762.exe
PID 468 wrote to memory of 1616	468	PO91206762.exe	PO91206762.exe
PID 1200 wrote to memory of 1436	1200	Explorer.EXE	wininit.exe
PID 1200 wrote to memory of 1436	1200	Explorer.EXE	wininit.exe
PID 1200 wrote to memory of 1436	1200	Explorer.EXE	wininit.exe
PID 1200 wrote to memory of 1436	1200	Explorer.EXE	wininit.exe
PID 1436 wrote to memory of 1572	1436	wininit.exe	cmd.exe
PID 1436 wrote to memory of 1572	1436	wininit.exe	cmd.exe
PID 1436 wrote to memory of 1572	1436	wininit.exe	cmd.exe
PID 1436 wrote to memory of 1572	1436	wininit.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:1200

C:\Users\Admin\AppData\Local\Temp\PO91206762.exe
"C:\Users\Admin\AppData\Local\Temp\PO91206762.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:468

C:\Users\Admin\AppData\Local\Temp\PO91206762.exe
"C:\Users\Admin\AppData\Local\Temp\PO91206762.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1616

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1436

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PO91206762.exe"
3⤵
- Deletes itself
PID:1572

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/468-61-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/468-59-0x0000000075051000-0x0000000075053000-memory.dmp

Filesize
8KB

Download
memory/1200-72-0x0000000004ED0000-0x0000000004FB3000-memory.dmp

Filesize
908KB

Download
memory/1200-65-0x0000000004CF0000-0x0000000004DD3000-memory.dmp

Filesize
908KB

Download
memory/1436-68-0x0000000000370000-0x000000000038A000-memory.dmp

Filesize
104KB

Download
memory/1436-66-0x0000000000000000-mapping.dmp

Download
memory/1436-69-0x00000000000C0000-0x00000000000EE000-memory.dmp

Filesize
184KB

Download
memory/1436-70-0x0000000001E80000-0x0000000002183000-memory.dmp

Filesize
3.0MB

Download
memory/1436-71-0x0000000000430000-0x00000000004C3000-memory.dmp

Filesize
588KB

Download
memory/1572-67-0x0000000000000000-mapping.dmp

Download
memory/1616-64-0x00000000003C0000-0x00000000003D4000-memory.dmp

Filesize
80KB

Download
memory/1616-63-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/1616-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1616-60-0x000000000041EAF0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads