formbook | f52f3c64c7e5729b929919c449f9087899823470d11335c5dad97f8c19ce2679

General

Target

tmp.exe
Size

1.2MB
MD5

e95742503cd258666b61c5dde8a9003a
SHA1

cee3b32cbbcec87c7393a066012e6a2479867d4f
SHA256

f52f3c64c7e5729b929919c449f9087899823470d11335c5dad97f8c19ce2679
SHA512

d2fad4e9bd20551bf89c15e86806a76f2dddb7702666b15fb64005effea01fcbe0087f3424c7f867e9ffa8021647e118f222595b43c039ce76fe9a33c7922fdd
SSDEEP

24576:7Pw6DkT6kfGME6G3VibpHIdebodR6jlKFtQVUv+iP8o79bO+s:75gTvG32poHRS2tQuWikK9js

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
behavioral1/memory/1312-63-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/1312-65-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/532-73-0x0000000000130000-0x000000000015F000-memory.dmp	formbook
behavioral1/memory/532-77-0x0000000000130000-0x000000000015F000-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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

928 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

tmp.exe

pid process

1424 tmp.exe
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

tmp.exe

pid process

1312 tmp.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

tmp.exetmp.exe

pid process

1424 tmp.exe
1312 tmp.exe

pid	process
928	cmd.exe

pid	process
1424	tmp.exe

pid	process
1424	tmp.exe
1312	tmp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exetmp.exehelp.exe

description	pid	process	target process
PID 1424 set thread context of 1312	1424	tmp.exe	tmp.exe
PID 1312 set thread context of 1272	1312	tmp.exe	Explorer.EXE
PID 532 set thread context of 1272	532	help.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 19 IoCs

Processes:

tmp.exehelp.exe

pid	process
1312	tmp.exe
1312	tmp.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe
532	help.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

tmp.exetmp.exehelp.exe

pid process

1424 tmp.exe
1312 tmp.exe
1312 tmp.exe
1312 tmp.exe
532 help.exe
532 help.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp.exeExplorer.EXEhelp.exe

description pid process

Token: SeDebugPrivilege 1312 tmp.exe
Token: SeShutdownPrivilege 1272 Explorer.EXE
Token: SeDebugPrivilege 532 help.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
1272 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
1272 Explorer.EXE

pid	process
1272	Explorer.EXE

pid	process
1424	tmp.exe
1312	tmp.exe
1312	tmp.exe
1312	tmp.exe
532	help.exe
532	help.exe

description	pid	process
Token: SeDebugPrivilege	1312	tmp.exe
Token: SeShutdownPrivilege	1272	Explorer.EXE
Token: SeDebugPrivilege	532	help.exe

pid	process
1272	Explorer.EXE
1272	Explorer.EXE

pid	process
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

tmp.exeExplorer.EXEhelp.exe

description	pid	process	target process
PID 1424 wrote to memory of 1312	1424	tmp.exe	tmp.exe
PID 1424 wrote to memory of 1312	1424	tmp.exe	tmp.exe
PID 1424 wrote to memory of 1312	1424	tmp.exe	tmp.exe
PID 1424 wrote to memory of 1312	1424	tmp.exe	tmp.exe
PID 1424 wrote to memory of 1312	1424	tmp.exe	tmp.exe
PID 1272 wrote to memory of 532	1272	Explorer.EXE	help.exe
PID 1272 wrote to memory of 532	1272	Explorer.EXE	help.exe
PID 1272 wrote to memory of 532	1272	Explorer.EXE	help.exe
PID 1272 wrote to memory of 532	1272	Explorer.EXE	help.exe
PID 532 wrote to memory of 928	532	help.exe	cmd.exe
PID 532 wrote to memory of 928	532	help.exe	cmd.exe
PID 532 wrote to memory of 928	532	help.exe	cmd.exe
PID 532 wrote to memory of 928	532	help.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1272

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:1424

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:1312

C:\Windows\SysWOW64\help.exe
"C:\Windows\SysWOW64\help.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:532

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
- Deletes itself
PID:928

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

\Users\Admin\AppData\Local\Temp\nsy82D.tmp\System.dll
Filesize
11KB

MD5
fbe295e5a1acfbd0a6271898f885fe6a

SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da

SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

Download Submit
memory/532-71-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/532-79-0x00000000005E0000-0x0000000000673000-memory.dmp

Filesize
588KB

Download
memory/532-77-0x0000000000130000-0x000000000015F000-memory.dmp

Filesize
188KB

Download
memory/532-76-0x00000000006B0000-0x00000000009B3000-memory.dmp

Filesize
3.0MB

Download
memory/532-73-0x0000000000130000-0x000000000015F000-memory.dmp

Filesize
188KB

Download
memory/532-72-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1272-80-0x0000000004190000-0x0000000004246000-memory.dmp

Filesize
728KB

Download
memory/1272-81-0x0000000004190000-0x0000000004246000-memory.dmp

Filesize
728KB

Download
memory/1272-69-0x0000000005FA0000-0x000000000610C000-memory.dmp

Filesize
1.4MB

Download
memory/1272-91-0x000007FF3B8A0000-0x000007FF3B8AA000-memory.dmp

Filesize
40KB

Download
memory/1272-89-0x000007FF3B8A0000-0x000007FF3B8AA000-memory.dmp

Filesize
40KB

Download
memory/1272-83-0x0000000004190000-0x0000000004246000-memory.dmp

Filesize
728KB

Download
memory/1312-65-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1312-63-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1312-62-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1312-61-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1312-64-0x0000000001470000-0x0000000005ADF000-memory.dmp

Filesize
70.4MB

Download
memory/1312-70-0x0000000001470000-0x0000000005ADF000-memory.dmp

Filesize
70.4MB

Download
memory/1312-68-0x0000000035BC0000-0x0000000035BD4000-memory.dmp

Filesize
80KB

Download
memory/1312-67-0x0000000035D00000-0x0000000036003000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads