formbook | 4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2

General

Target

tmp.exe
Size

280KB
MD5

c6d2ae33edf3d67a0c2abe42836c2874
SHA1

c29bcdccea09e6f3ecdef77fac70d96c9d8acfa3
SHA256

4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2
SHA512

444c4c45ec9d5f0d7202fd76a073c8387792a1500386c34b032d523e2a27a5a5a97b6c980c6d4e6a4980ebc6da9e4fd4b3db63021c254d7c89b0390dda8b6d5c
SSDEEP

6144:w6dmbMKjfheEC2iP/jUzD4xVuazSnsMDC8pv3IMRhhSygcTSD9N:g4Af3ChzUPGVuazhMDZT+ygcTSDn

Score

10^/10

formbook xchu rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

xchu

Decoy

zcartoons.com

castilloshowroom.com

3bmmdtod.life

misaxoxo.com

nadiya.online

sykkbup29.xyz

triciaaprimrosevp.com

newleter.com

ptzslk.xyz

lightbulbfestival.com

texaslandline.com

ideeintemporelle.com

girljustdoitpodcast.com

medimediamarketing.com

bunk7outfitters.com

charlievgrfminnick.click

lifestyleinthehome.com

atfbestsale.online

frontdoorproperties.co.uk

grandpaswag2024.info

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2044-141-0x0000000000400000-0x0000000001654000-memory.dmp	formbook
behavioral2/memory/2044-144-0x0000000000400000-0x0000000001654000-memory.dmp	formbook
behavioral2/memory/4604-151-0x0000000000730000-0x000000000075F000-memory.dmp	formbook
behavioral2/memory/4604-153-0x0000000000730000-0x000000000075F000-memory.dmp	formbook

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

Processes:

tmp.exetmp.exe

description	ioc	process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	tmp.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	tmp.exe

Loads dropped DLL 1 IoCs

Processes:

tmp.exe

pid process

1836 tmp.exe
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

tmp.exe

pid process

2044 tmp.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

tmp.exetmp.exe

pid process

1836 tmp.exe
2044 tmp.exe

pid	process
1836	tmp.exe

pid	process
1836	tmp.exe
2044	tmp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exetmp.execolorcpl.exe

description	pid	process	target process
PID 1836 set thread context of 2044	1836	tmp.exe	tmp.exe
PID 2044 set thread context of 3160	2044	tmp.exe	Explorer.EXE
PID 4604 set thread context of 3160	4604	colorcpl.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

tmp.execolorcpl.exe

pid	process
2044	tmp.exe
2044	tmp.exe
2044	tmp.exe
2044	tmp.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe
4604	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3160 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

tmp.exetmp.execolorcpl.exe

pid process

1836 tmp.exe
2044 tmp.exe
2044 tmp.exe
2044 tmp.exe
4604 colorcpl.exe
4604 colorcpl.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tmp.execolorcpl.exe

description pid process

Token: SeDebugPrivilege 2044 tmp.exe
Token: SeDebugPrivilege 4604 colorcpl.exe

pid	process
3160	Explorer.EXE

pid	process
1836	tmp.exe
2044	tmp.exe
2044	tmp.exe
2044	tmp.exe
4604	colorcpl.exe
4604	colorcpl.exe

description	pid	process
Token: SeDebugPrivilege	2044	tmp.exe
Token: SeDebugPrivilege	4604	colorcpl.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

tmp.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 1836 wrote to memory of 2044	1836	tmp.exe	tmp.exe
PID 1836 wrote to memory of 2044	1836	tmp.exe	tmp.exe
PID 1836 wrote to memory of 2044	1836	tmp.exe	tmp.exe
PID 1836 wrote to memory of 2044	1836	tmp.exe	tmp.exe
PID 3160 wrote to memory of 4604	3160	Explorer.EXE	colorcpl.exe
PID 3160 wrote to memory of 4604	3160	Explorer.EXE	colorcpl.exe
PID 3160 wrote to memory of 4604	3160	Explorer.EXE	colorcpl.exe
PID 4604 wrote to memory of 4196	4604	colorcpl.exe	cmd.exe
PID 4604 wrote to memory of 4196	4604	colorcpl.exe	cmd.exe
PID 4604 wrote to memory of 4196	4604	colorcpl.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3160

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1836

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
- Checks QEMU agent file
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2044

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4604

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:4196

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsg7FA5.tmp\System.dll
Filesize
11KB

MD5
0063d48afe5a0cdc02833145667b6641

SHA1
e7eb614805d183ecb1127c62decb1a6be1b4f7a8

SHA256
ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7

SHA512
71cbbcaeb345e09306e368717ea0503fe8df485be2e95200febc61bcd8ba74fb4211cd263c232f148c0123f6c6f2e3fd4ea20bdecc4070f5208c35c6920240f0

Download Submit
memory/2044-140-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/2044-141-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/2044-142-0x0000000001660000-0x0000000006AC4000-memory.dmp

Filesize
84.4MB

Download
memory/2044-143-0x0000000036E90000-0x00000000371DA000-memory.dmp

Filesize
3.3MB

Download
memory/2044-144-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/2044-145-0x00000000000D0000-0x00000000000E4000-memory.dmp

Filesize
80KB

Download
memory/2044-148-0x0000000001660000-0x0000000006AC4000-memory.dmp

Filesize
84.4MB

Download
memory/3160-156-0x0000000009120000-0x00000000092B2000-memory.dmp

Filesize
1.6MB

Download
memory/3160-146-0x0000000008FD0000-0x0000000009109000-memory.dmp

Filesize
1.2MB

Download
memory/3160-159-0x0000000009120000-0x00000000092B2000-memory.dmp

Filesize
1.6MB

Download
memory/3160-157-0x0000000009120000-0x00000000092B2000-memory.dmp

Filesize
1.6MB

Download
memory/4604-147-0x0000000000AC0000-0x0000000000AD9000-memory.dmp

Filesize
100KB

Download
memory/4604-153-0x0000000000730000-0x000000000075F000-memory.dmp

Filesize
188KB

Download
memory/4604-155-0x0000000002700000-0x0000000002793000-memory.dmp

Filesize
588KB

Download
memory/4604-152-0x00000000028B0000-0x0000000002BFA000-memory.dmp

Filesize
3.3MB

Download
memory/4604-151-0x0000000000730000-0x000000000075F000-memory.dmp

Filesize
188KB

Download
memory/4604-149-0x0000000000AC0000-0x0000000000AD9000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads