formbook | 9548c6a9da2d6cee9d27565c0055be4429cabfae9287ab3e525aaba66fd67032

General

Target

ab62532db045fc659e00887f83800dd1.exe
Size

1.0MB
MD5

ab62532db045fc659e00887f83800dd1
SHA1

ffe9b4472a606730610d7fe3241292db91ed8879
SHA256

9548c6a9da2d6cee9d27565c0055be4429cabfae9287ab3e525aaba66fd67032
SHA512

e11bb17e2052831ef68a8301ea684668c8ef9300b80611cc0342c38cab4f6528143026885244eb4d5e5b84f5ae411a95981ab72348fdba2a4db86a5030745535

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/1948-13-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1948-14-0x000000000041D0C0-mapping.dmp	xloader
behavioral2/memory/4528-16-0x0000000000000000-mapping.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

ab62532db045fc659e00887f83800dd1.exevbc.exenetsh.exe

description	pid	process	target process
PID 4768 set thread context of 1948	4768	ab62532db045fc659e00887f83800dd1.exe	vbc.exe
PID 1948 set thread context of 2640	1948	vbc.exe	Explorer.EXE
PID 4528 set thread context of 2640	4528	netsh.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

4428 schtasks.exe

pid	process
4428	schtasks.exe

Suspicious behavior: EnumeratesProcesses 49 IoCs

Processes:

ab62532db045fc659e00887f83800dd1.exevbc.exenetsh.exe

pid	process
4768	ab62532db045fc659e00887f83800dd1.exe
1948	vbc.exe
1948	vbc.exe
1948	vbc.exe
1948	vbc.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe
4528	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exenetsh.exe

pid process

1948 vbc.exe
1948 vbc.exe
1948 vbc.exe
4528 netsh.exe
4528 netsh.exe

pid	process
1948	vbc.exe
1948	vbc.exe
1948	vbc.exe
4528	netsh.exe
4528	netsh.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

ab62532db045fc659e00887f83800dd1.exevbc.exenetsh.exe

description	pid	process
Token: SeDebugPrivilege	4768	ab62532db045fc659e00887f83800dd1.exe
Token: SeDebugPrivilege	1948	vbc.exe
Token: SeDebugPrivilege	4528	netsh.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2640 Explorer.EXE

pid	process
2640	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

ab62532db045fc659e00887f83800dd1.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 4768 wrote to memory of 4428	4768	ab62532db045fc659e00887f83800dd1.exe	schtasks.exe
PID 4768 wrote to memory of 4428	4768	ab62532db045fc659e00887f83800dd1.exe	schtasks.exe
PID 4768 wrote to memory of 4428	4768	ab62532db045fc659e00887f83800dd1.exe	schtasks.exe
PID 4768 wrote to memory of 1948	4768	ab62532db045fc659e00887f83800dd1.exe	vbc.exe
PID 4768 wrote to memory of 1948	4768	ab62532db045fc659e00887f83800dd1.exe	vbc.exe
PID 4768 wrote to memory of 1948	4768	ab62532db045fc659e00887f83800dd1.exe	vbc.exe
PID 4768 wrote to memory of 1948	4768	ab62532db045fc659e00887f83800dd1.exe	vbc.exe
PID 4768 wrote to memory of 1948	4768	ab62532db045fc659e00887f83800dd1.exe	vbc.exe
PID 4768 wrote to memory of 1948	4768	ab62532db045fc659e00887f83800dd1.exe	vbc.exe
PID 2640 wrote to memory of 4528	2640	Explorer.EXE	netsh.exe
PID 2640 wrote to memory of 4528	2640	Explorer.EXE	netsh.exe
PID 2640 wrote to memory of 4528	2640	Explorer.EXE	netsh.exe
PID 4528 wrote to memory of 4492	4528	netsh.exe	cmd.exe
PID 4528 wrote to memory of 4492	4528	netsh.exe	cmd.exe
PID 4528 wrote to memory of 4492	4528	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2640

C:\Users\Admin\AppData\Local\Temp\ab62532db045fc659e00887f83800dd1.exe
"C:\Users\Admin\AppData\Local\Temp\ab62532db045fc659e00887f83800dd1.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4768

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GbXrJAAtY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB25E.tmp"
3⤵
- Creates scheduled task(s)
PID:4428

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:1948

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4528

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
PID:4492

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\tmpB25E.tmp
MD5
ef7d83be099d0e2606231e1b0133983a

SHA1
5ea89933d2f09d010c824229431fdd1c46ea0183

SHA256
d7166d4d3adddd3561fafeec4d7ba82e0a2f4f74fd02703d81de05bb93132f0c

SHA512
a9982eaae10067d3ab8ae16d0c26950ebde4aa3ca7353c8f911054a8542fa8e722a99a2f9592364b4d3f41b6ac0f46fc06937fbcc861b25dea28ccd3498968e5

Download Submit
memory/1948-14-0x000000000041D0C0-mapping.dmp

Download
memory/1948-13-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4428-11-0x0000000000000000-mapping.dmp

Download
memory/4492-19-0x0000000000000000-mapping.dmp

Download
memory/4528-16-0x0000000000000000-mapping.dmp

Download
memory/4528-17-0x0000000001170000-0x000000000118E000-memory.dmp

Filesize
120KB

Download
memory/4528-18-0x0000000001170000-0x000000000118E000-memory.dmp

Filesize
120KB

Download
memory/4768-9-0x00000000044F0000-0x000000000456A000-memory.dmp

Filesize
488KB

Download
memory/4768-10-0x0000000009430000-0x0000000009431000-memory.dmp

Filesize
4KB

Download
memory/4768-8-0x0000000007150000-0x000000000715E000-memory.dmp

Filesize
56KB

Download
memory/4768-7-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/4768-6-0x0000000006F00000-0x0000000006F01000-memory.dmp

Filesize
4KB

Download
memory/4768-5-0x0000000007400000-0x0000000007401000-memory.dmp

Filesize
4KB

Download
memory/4768-2-0x0000000073370000-0x0000000073A5E000-memory.dmp

Filesize
6.9MB

Download
memory/4768-3-0x00000000000C0000-0x00000000000C1000-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