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
behavioral2/memory/4716-140-0x0000000000400000-0x0000000001654000-memory.dmp	formbook
behavioral2/memory/5000-149-0x0000000000790000-0x00000000007BF000-memory.dmp	formbook
behavioral2/memory/4716-148-0x0000000000400000-0x0000000001654000-memory.dmp	formbook
behavioral2/memory/5000-152-0x0000000000790000-0x00000000007BF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

cmstp.exe

flow pid process

61 5000 cmstp.exe

flow	pid	process
61	5000	cmstp.exe

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

4924 tmp.exe
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

tmp.exe

pid process

4716 tmp.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

tmp.exetmp.exe

pid process

4924 tmp.exe
4716 tmp.exe

pid	process
4924	tmp.exe

pid	process
4924	tmp.exe
4716	tmp.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exetmp.execmstp.exe

description	pid	process	target process
PID 4924 set thread context of 4716	4924	tmp.exe	tmp.exe
PID 4716 set thread context of 2416	4716	tmp.exe	Explorer.EXE
PID 5000 set thread context of 2416	5000	cmstp.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 40 IoCs

Processes:

tmp.execmstp.exe

pid	process
4716	tmp.exe
4716	tmp.exe
4716	tmp.exe
4716	tmp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe
5000	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2416 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

tmp.exetmp.execmstp.exe

pid process

4924 tmp.exe
4716 tmp.exe
4716 tmp.exe
4716 tmp.exe
5000 cmstp.exe
5000 cmstp.exe

pid	process
2416	Explorer.EXE

pid	process
4924	tmp.exe
4716	tmp.exe
4716	tmp.exe
4716	tmp.exe
5000	cmstp.exe
5000	cmstp.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

tmp.execmstp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4716	tmp.exe
Token: SeDebugPrivilege	5000	cmstp.exe
Token: SeShutdownPrivilege	2416	Explorer.EXE
Token: SeCreatePagefilePrivilege	2416	Explorer.EXE
Token: SeShutdownPrivilege	2416	Explorer.EXE
Token: SeCreatePagefilePrivilege	2416	Explorer.EXE
Token: SeShutdownPrivilege	2416	Explorer.EXE
Token: SeCreatePagefilePrivilege	2416	Explorer.EXE
Token: SeShutdownPrivilege	2416	Explorer.EXE
Token: SeCreatePagefilePrivilege	2416	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

tmp.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 4924 wrote to memory of 4716	4924	tmp.exe	tmp.exe
PID 4924 wrote to memory of 4716	4924	tmp.exe	tmp.exe
PID 4924 wrote to memory of 4716	4924	tmp.exe	tmp.exe
PID 4924 wrote to memory of 4716	4924	tmp.exe	tmp.exe
PID 2416 wrote to memory of 5000	2416	Explorer.EXE	cmstp.exe
PID 2416 wrote to memory of 5000	2416	Explorer.EXE	cmstp.exe
PID 2416 wrote to memory of 5000	2416	Explorer.EXE	cmstp.exe
PID 5000 wrote to memory of 724	5000	cmstp.exe	cmd.exe
PID 5000 wrote to memory of 724	5000	cmstp.exe	cmd.exe
PID 5000 wrote to memory of 724	5000	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2416

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:4924

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:4716

C:\Windows\SysWOW64\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:724

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsz6E40.tmp\System.dll
Filesize
11KB

MD5
fbe295e5a1acfbd0a6271898f885fe6a

SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da

SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

Download Submit
memory/2416-188-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-199-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-201-0x00000000032F0000-0x00000000032F2000-memory.dmp

Filesize
8KB

Download
memory/2416-200-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-143-0x0000000007910000-0x0000000007A7B000-memory.dmp

Filesize
1.4MB

Download
memory/2416-170-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-198-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-197-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-171-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-195-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-194-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-193-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-192-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-154-0x0000000007910000-0x0000000007A7B000-memory.dmp

Filesize
1.4MB

Download
memory/2416-191-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-156-0x0000000008EC0000-0x0000000008FD7000-memory.dmp

Filesize
1.1MB

Download
memory/2416-158-0x0000000008EC0000-0x0000000008FD7000-memory.dmp

Filesize
1.1MB

Download
memory/2416-159-0x0000000008EC0000-0x0000000008FD7000-memory.dmp

Filesize
1.1MB

Download
memory/2416-161-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-162-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-163-0x0000000001470000-0x0000000001480000-memory.dmp

Filesize
64KB

Download
memory/2416-164-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-165-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-166-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-169-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-168-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-167-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-190-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-196-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-172-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-173-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-174-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-175-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-176-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-177-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-184-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-185-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-186-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-189-0x00000000012A0000-0x00000000012B0000-memory.dmp

Filesize
64KB

Download
memory/2416-187-0x00000000032F0000-0x00000000032F2000-memory.dmp

Filesize
8KB

Download
memory/4716-144-0x00000000000D0000-0x00000000000E4000-memory.dmp

Filesize
80KB

Download
memory/4716-140-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4716-141-0x0000000001660000-0x0000000005CCF000-memory.dmp

Filesize
70.4MB

Download
memory/4716-148-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4716-142-0x0000000036120000-0x000000003646A000-memory.dmp

Filesize
3.3MB

Download
memory/4716-139-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4716-145-0x0000000001660000-0x0000000005CCF000-memory.dmp

Filesize
70.4MB

Download
memory/5000-152-0x0000000000790000-0x00000000007BF000-memory.dmp

Filesize
188KB

Download
memory/5000-146-0x00000000002D0000-0x00000000002E6000-memory.dmp

Filesize
88KB

Download
memory/5000-149-0x0000000000790000-0x00000000007BF000-memory.dmp

Filesize
188KB

Download
memory/5000-147-0x00000000002D0000-0x00000000002E6000-memory.dmp

Filesize
88KB

Download
memory/5000-151-0x0000000002900000-0x0000000002C4A000-memory.dmp

Filesize
3.3MB

Download
memory/5000-155-0x00000000027F0000-0x0000000002883000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads