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
behavioral2/memory/1992-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1992-14-0x000000000041D0C0-mapping.dmp	xloader
behavioral2/memory/3244-15-0x0000000000000000-mapping.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

1dd3dda596f5391bb865683fa49b531e.exevbc.exeexplorer.exe

description	pid	process	target process
PID 3928 set thread context of 1992	3928	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 1992 set thread context of 2908	1992	vbc.exe	Explorer.EXE
PID 3244 set thread context of 2908	3244	explorer.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

1980 schtasks.exe

pid	process
1980	schtasks.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

Processes:

1dd3dda596f5391bb865683fa49b531e.exevbc.exeexplorer.exe

pid	process
3928	1dd3dda596f5391bb865683fa49b531e.exe
1992	vbc.exe
1992	vbc.exe
1992	vbc.exe
1992	vbc.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe
3244	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exeexplorer.exe

pid process

1992 vbc.exe
1992 vbc.exe
1992 vbc.exe
3244 explorer.exe
3244 explorer.exe

pid	process
1992	vbc.exe
1992	vbc.exe
1992	vbc.exe
3244	explorer.exe
3244	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

1dd3dda596f5391bb865683fa49b531e.exevbc.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	3928	1dd3dda596f5391bb865683fa49b531e.exe
Token: SeDebugPrivilege	1992	vbc.exe
Token: SeDebugPrivilege	3244	explorer.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2908 Explorer.EXE

pid	process
2908	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

1dd3dda596f5391bb865683fa49b531e.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 3928 wrote to memory of 1980	3928	1dd3dda596f5391bb865683fa49b531e.exe	schtasks.exe
PID 3928 wrote to memory of 1980	3928	1dd3dda596f5391bb865683fa49b531e.exe	schtasks.exe
PID 3928 wrote to memory of 1980	3928	1dd3dda596f5391bb865683fa49b531e.exe	schtasks.exe
PID 3928 wrote to memory of 1992	3928	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 3928 wrote to memory of 1992	3928	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 3928 wrote to memory of 1992	3928	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 3928 wrote to memory of 1992	3928	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 3928 wrote to memory of 1992	3928	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 3928 wrote to memory of 1992	3928	1dd3dda596f5391bb865683fa49b531e.exe	vbc.exe
PID 2908 wrote to memory of 3244	2908	Explorer.EXE	explorer.exe
PID 2908 wrote to memory of 3244	2908	Explorer.EXE	explorer.exe
PID 2908 wrote to memory of 3244	2908	Explorer.EXE	explorer.exe
PID 3244 wrote to memory of 2776	3244	explorer.exe	cmd.exe
PID 3244 wrote to memory of 2776	3244	explorer.exe	cmd.exe
PID 3244 wrote to memory of 2776	3244	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2908

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:3928

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zLIpEDZOH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB9EF.tmp"
3⤵
- Creates scheduled task(s)
PID:1980

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:1992

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3244

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:2776

Network

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB9EF.tmp
MD5
d19705b0e32d4924ac97df042de2580c

SHA1
223e26d03f61c4c29ad5e6bd39fe0de73525d335

SHA256
d74acedba9a517da4e71115c3a49a2c3e7c2ef5e1d6e840ae5df845c6e48fa4b

SHA512
96e90c479fb0e81f1ee033ed60f18b23b78686bde35a4cb088b70f0efac2315621e4ac31772af64a203cce90a058bf784c4f8e4887982488910e3263c88399ec

Download Submit
memory/1980-11-0x0000000000000000-mapping.dmp

Download
memory/1992-14-0x000000000041D0C0-mapping.dmp

Download
memory/1992-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2776-18-0x0000000000000000-mapping.dmp

Download
memory/3244-15-0x0000000000000000-mapping.dmp

Download
memory/3244-16-0x0000000000DE0000-0x000000000121F000-memory.dmp

Filesize
4.2MB

Download
memory/3244-17-0x0000000000DE0000-0x000000000121F000-memory.dmp

Filesize
4.2MB

Download
memory/3928-9-0x0000000004820000-0x000000000489D000-memory.dmp

Filesize
500KB

Download
memory/3928-10-0x0000000009860000-0x0000000009861000-memory.dmp

Filesize
4KB

Download
memory/3928-8-0x00000000074D0000-0x00000000074DE000-memory.dmp

Filesize
56KB

Download
memory/3928-7-0x00000000072A0000-0x00000000072A1000-memory.dmp

Filesize
4KB

Download
memory/3928-6-0x00000000072E0000-0x00000000072E1000-memory.dmp

Filesize
4KB

Download
memory/3928-5-0x0000000007740000-0x0000000007741000-memory.dmp

Filesize
4KB

Download
memory/3928-2-0x0000000073BA0000-0x000000007428E000-memory.dmp

Filesize
6.9MB

Download
memory/3928-3-0x0000000000480000-0x0000000000481000-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