formbook | 2abb16d594f4b36fc8b8aab8cab7736350421c619cec8e12e8975e87f7a99faa

General

Target

1dd3dda596f5391bb865683fa49b531e.exe
Size

1.0MB
MD5

1dd3dda596f5391bb865683fa49b531e
SHA1

37eab36b9caabc5e1d55086da5c46bc50b012fca
SHA256

2abb16d594f4b36fc8b8aab8cab7736350421c619cec8e12e8975e87f7a99faa
SHA512

7c0a2e9d893168c64f3bf2f3dee38261d24dd90be523d313651cfe9646bb14743a09c319f4d0123fbf0fae587f269d8ff6f54c369a52f7e4d78f321ceb81c688

Score

10^/10

formbook xloader loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.herbmedia.net/csv8/

Decoy

slgacha.com

oohdough.com

6983ylc.com

aykassociate.com

latin-hotspot.com

starrockindia.com

beamsubway.com

queensboutique1000.com

madbaddie.com

bhoomimart.com

ankitparivar.com

aldanasanchezmx.com

citest1597669833.com

cristianofreitas.com

myplantus.com

counterfeitmilk.com

8xf39.com

pregnantwomens.com

yyyut6.com

stnanguo.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/568-9-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/568-10-0x000000000041D0C0-mapping.dmp	xloader
behavioral1/memory/1884-11-0x0000000000000000-mapping.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

1dd3dda596f5391bb865683fa49b531e.exevbc.exeraserver.exe

description	pid	process	target process
PID 1424 set thread context of 568	1424	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 568 set thread context of 1260	568	vbc.exe	Explorer.EXE
PID 1884 set thread context of 1260	1884	raserver.exe	Explorer.EXE

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

1224 schtasks.exe

pid	process
1224	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

1dd3dda596f5391bb865683fa49b531e.exevbc.exeraserver.exe

pid	process
1424	1dd3dda596f5391bb865683fa49b531e.exe
568	vbc.exe
568	vbc.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe
1884	raserver.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exeraserver.exe

pid process

568 vbc.exe
568 vbc.exe
568 vbc.exe
1884 raserver.exe
1884 raserver.exe

pid	process
568	vbc.exe
568	vbc.exe
568	vbc.exe
1884	raserver.exe
1884	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

1dd3dda596f5391bb865683fa49b531e.exevbc.exeraserver.exe

description	pid	process
Token: SeDebugPrivilege	1424	1dd3dda596f5391bb865683fa49b531e.exe
Token: SeDebugPrivilege	568	vbc.exe
Token: SeDebugPrivilege	1884	raserver.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
1260 Explorer.EXE
1260 Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

1dd3dda596f5391bb865683fa49b531e.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 1424 wrote to memory of 1224	1424	1dd3dda596f5391bb865683fa49b531e.exe	schtasks.exe
PID 1424 wrote to memory of 1224	1424	1dd3dda596f5391bb865683fa49b531e.exe	schtasks.exe
PID 1424 wrote to memory of 1224	1424	1dd3dda596f5391bb865683fa49b531e.exe	schtasks.exe
PID 1424 wrote to memory of 1224	1424	1dd3dda596f5391bb865683fa49b531e.exe	schtasks.exe
PID 1424 wrote to memory of 568	1424	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 1424 wrote to memory of 568	1424	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 1424 wrote to memory of 568	1424	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 1424 wrote to memory of 568	1424	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 1424 wrote to memory of 568	1424	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 1424 wrote to memory of 568	1424	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 1424 wrote to memory of 568	1424	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 1260 wrote to memory of 1884	1260	Explorer.EXE	raserver.exe
PID 1260 wrote to memory of 1884	1260	Explorer.EXE	raserver.exe
PID 1260 wrote to memory of 1884	1260	Explorer.EXE	raserver.exe
PID 1260 wrote to memory of 1884	1260	Explorer.EXE	raserver.exe
PID 1884 wrote to memory of 1636	1884	raserver.exe	cmd.exe
PID 1884 wrote to memory of 1636	1884	raserver.exe	cmd.exe
PID 1884 wrote to memory of 1636	1884	raserver.exe	cmd.exe
PID 1884 wrote to memory of 1636	1884	raserver.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:1260

C:\Users\Admin\AppData\Local\Temp\1dd3dda596f5391bb865683fa49b531e.exe
"C:\Users\Admin\AppData\Local\Temp\1dd3dda596f5391bb865683fa49b531e.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1424

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zLIpEDZOH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAF33.tmp"
3⤵
- Creates scheduled task(s)
PID:1224

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:568

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:1636

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAF33.tmp
MD5
7c49e305c857d9e7c2ba2a6434d0b3bc

SHA1
551a91d454a84c2071a00881e592a598285b9609

SHA256
4fbbc700e7b8314fef334f76b157cdd121d4a9e5ad3e00515b1f4b1c9546a53e

SHA512
6dbcb6a23b3bd21b4a87c00fb0bedfee4e4cc07f6ecd2b3b0586d48e49cc423317aca5e26853ba63df788f2cb69318b34df11716e0b1f4ce69a068a23367f98b

Download Submit
memory/568-9-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-10-0x000000000041D0C0-mapping.dmp

Download
memory/1224-7-0x0000000000000000-mapping.dmp

Download
memory/1424-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/1424-3-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1424-5-0x0000000000480000-0x000000000048E000-memory.dmp

Filesize
56KB

Download
memory/1424-6-0x00000000002E0000-0x000000000035D000-memory.dmp

Filesize
500KB

Download
memory/1636-13-0x0000000000000000-mapping.dmp

Download
memory/1884-11-0x0000000000000000-mapping.dmp

Download
memory/1884-12-0x0000000000B30000-0x0000000000B4C000-memory.dmp

Filesize
112KB

Download
memory/1884-14-0x0000000004B10000-0x0000000004C29000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads