formbook | 47d1e16275d98873c63ed2cfe032b171513ff063ccc19399815846d950ed09d6

General

Target

fatura.hk.exe
Size

213KB
MD5

d9639b9bc8a92e559bcffdc05db4c97b
SHA1

4418f08b864390a97d5bb166e9ac08820c2a3fa0
SHA256

47d1e16275d98873c63ed2cfe032b171513ff063ccc19399815846d950ed09d6
SHA512

9d0d367d8c4e27132956fbfc73bc0f5119746c2773f0bdbe46c5df1a07366a533662203cc0d2ef92ac4fab9a5f809983e2e015156fe82625e4203268782abc9b
SSDEEP

3072:QEhKzShSycSMGJi3uwWHD0nDZBbTcLWsi1bXaWOPk2ne6049GDKq4DmuYC/cu8:QBn1Ki3iHD0ttcXLkWe60RDY3YC/z8

Score

10^/10

formbook tc10 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

tc10

Decoy

mwigyu.com

sepuluholx.com

nsdigitalagency.com

horrorkore.com

santaclaracoimbrakarate.com

myeternalsummer.com

laosmidnight-lotto.com

haremp.xyz

boyace.top

unusualwithdrawal.com

wildflowerkidsri.com

backlitvps.dev

topwellgas.com

k3nnsworld3.com

wanbang.xyz

cntvc.net

sjcamden.church

pussit24.com

claml.com

statisticsturkey.com

Signatures

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

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4284-139-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4284-143-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4284-147-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1392-150-0x0000000001000000-0x000000000102F000-memory.dmp	formbook
behavioral2/memory/1392-155-0x0000000001000000-0x000000000102F000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

Processes:

nqrvmnqh.exenqrvmnqh.exe

pid process

2116 nqrvmnqh.exe
4284 nqrvmnqh.exe

pid	process
2116	nqrvmnqh.exe
4284	nqrvmnqh.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

nqrvmnqh.exenqrvmnqh.exemstsc.exe

description	pid	process	target process
PID 2116 set thread context of 4284	2116	nqrvmnqh.exe	nqrvmnqh.exe
PID 4284 set thread context of 2648	4284	nqrvmnqh.exe	Explorer.EXE
PID 4284 set thread context of 2648	4284	nqrvmnqh.exe	Explorer.EXE
PID 1392 set thread context of 2648	1392	mstsc.exe	Explorer.EXE

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

nqrvmnqh.exemstsc.exe

pid	process
4284	nqrvmnqh.exe
4284	nqrvmnqh.exe
4284	nqrvmnqh.exe
4284	nqrvmnqh.exe
4284	nqrvmnqh.exe
4284	nqrvmnqh.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe
1392	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2648 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

nqrvmnqh.exenqrvmnqh.exemstsc.exe

pid process

2116 nqrvmnqh.exe
4284 nqrvmnqh.exe
4284 nqrvmnqh.exe
4284 nqrvmnqh.exe
4284 nqrvmnqh.exe
1392 mstsc.exe
1392 mstsc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

nqrvmnqh.exemstsc.exe

description pid process

Token: SeDebugPrivilege 4284 nqrvmnqh.exe
Token: SeDebugPrivilege 1392 mstsc.exe

pid	process
2648	Explorer.EXE

pid	process
2116	nqrvmnqh.exe
4284	nqrvmnqh.exe
4284	nqrvmnqh.exe
4284	nqrvmnqh.exe
4284	nqrvmnqh.exe
1392	mstsc.exe
1392	mstsc.exe

description	pid	process
Token: SeDebugPrivilege	4284	nqrvmnqh.exe
Token: SeDebugPrivilege	1392	mstsc.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

fatura.hk.exenqrvmnqh.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 3620 wrote to memory of 2116	3620	fatura.hk.exe	nqrvmnqh.exe
PID 3620 wrote to memory of 2116	3620	fatura.hk.exe	nqrvmnqh.exe
PID 3620 wrote to memory of 2116	3620	fatura.hk.exe	nqrvmnqh.exe
PID 2116 wrote to memory of 4284	2116	nqrvmnqh.exe	nqrvmnqh.exe
PID 2116 wrote to memory of 4284	2116	nqrvmnqh.exe	nqrvmnqh.exe
PID 2116 wrote to memory of 4284	2116	nqrvmnqh.exe	nqrvmnqh.exe
PID 2116 wrote to memory of 4284	2116	nqrvmnqh.exe	nqrvmnqh.exe
PID 2648 wrote to memory of 1392	2648	Explorer.EXE	mstsc.exe
PID 2648 wrote to memory of 1392	2648	Explorer.EXE	mstsc.exe
PID 2648 wrote to memory of 1392	2648	Explorer.EXE	mstsc.exe
PID 1392 wrote to memory of 3680	1392	mstsc.exe	cmd.exe
PID 1392 wrote to memory of 3680	1392	mstsc.exe	cmd.exe
PID 1392 wrote to memory of 3680	1392	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2648

C:\Users\Admin\AppData\Local\Temp\fatura.hk.exe
"C:\Users\Admin\AppData\Local\Temp\fatura.hk.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3620

C:\Users\Admin\AppData\Local\Temp\nqrvmnqh.exe
"C:\Users\Admin\AppData\Local\Temp\nqrvmnqh.exe" C:\Users\Admin\AppData\Local\Temp\rrfqclrrjcd.afu
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2116

C:\Users\Admin\AppData\Local\Temp\nqrvmnqh.exe
"C:\Users\Admin\AppData\Local\Temp\nqrvmnqh.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4284

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\nqrvmnqh.exe"
3⤵
PID:3680

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\eouzuqz.n
Filesize
185KB

MD5
dde54c62eb4d82ef59619ef10b17bbd3

SHA1
f1932d68c3bfcbd4f85fb132a25032b9b57e6840

SHA256
62bbb454488f2531e8de5e5427817c8998dd0a0c3e9b5ad42a09ad9260ec535a

SHA512
ad772f777b8131e94ff0a15f4c77cd81618ff5d4f5722d4969e6f9c6d9414f0425d3e27aa155373c8739dd55e03982b50892fa2782068454cc3b6f0473760d37

Download Submit
C:\Users\Admin\AppData\Local\Temp\nqrvmnqh.exe
Filesize
12KB

MD5
45d4f4b100f5d5fade2613f0496661a3

SHA1
f2dbecffe01db8a1f2ee9a0a5fb61cfe92736f2a

SHA256
ef1e94355199fc03fb166c1f785e05f2b85d7ef9ad2a35576e30343c059d59c1

SHA512
1ee41f4dd86c44d7d90d0a974485c6b2c3b7ed37555cc92538627371b0c157cef1c3a962f8183f32e31cbb181f7797c7e2dd4cf01572bf3fa8d8d8b3be2ecfec

Download Submit
C:\Users\Admin\AppData\Local\Temp\nqrvmnqh.exe
Filesize
12KB

MD5
45d4f4b100f5d5fade2613f0496661a3

SHA1
f2dbecffe01db8a1f2ee9a0a5fb61cfe92736f2a

SHA256
ef1e94355199fc03fb166c1f785e05f2b85d7ef9ad2a35576e30343c059d59c1

SHA512
1ee41f4dd86c44d7d90d0a974485c6b2c3b7ed37555cc92538627371b0c157cef1c3a962f8183f32e31cbb181f7797c7e2dd4cf01572bf3fa8d8d8b3be2ecfec

Download Submit
C:\Users\Admin\AppData\Local\Temp\nqrvmnqh.exe
Filesize
12KB

MD5
45d4f4b100f5d5fade2613f0496661a3

SHA1
f2dbecffe01db8a1f2ee9a0a5fb61cfe92736f2a

SHA256
ef1e94355199fc03fb166c1f785e05f2b85d7ef9ad2a35576e30343c059d59c1

SHA512
1ee41f4dd86c44d7d90d0a974485c6b2c3b7ed37555cc92538627371b0c157cef1c3a962f8183f32e31cbb181f7797c7e2dd4cf01572bf3fa8d8d8b3be2ecfec

Download Submit
C:\Users\Admin\AppData\Local\Temp\rrfqclrrjcd.afu
Filesize
5KB

MD5
eabbfb92ebb6dc43cc8c1f64946db5e2

SHA1
99c6b5f32dc2d0746f78dbc516c97132b5722efb

SHA256
dbf8bc9863a3788330fef03c9c27e4b6515b93ecce16e5474c118eea426e09bd

SHA512
e79d6641233791cfa189d05a33075e7ccfedcbb3eb4a43a2cdd4ee96988a6228b8d5e87dfc746f215ce1b61be27b426d1e8a94a377dfe9d9063be647c9b001b2

Download Submit
memory/1392-151-0x0000000002F20000-0x000000000326A000-memory.dmp

Filesize
3.3MB

Download
memory/1392-146-0x0000000000000000-mapping.dmp

Download
memory/1392-155-0x0000000001000000-0x000000000102F000-memory.dmp

Filesize
188KB

Download
memory/1392-153-0x0000000002D90000-0x0000000002E23000-memory.dmp

Filesize
588KB

Download
memory/1392-150-0x0000000001000000-0x000000000102F000-memory.dmp

Filesize
188KB

Download
memory/1392-149-0x0000000000600000-0x000000000073A000-memory.dmp

Filesize
1.2MB

Download
memory/2116-132-0x0000000000000000-mapping.dmp

Download
memory/2648-152-0x0000000007E80000-0x0000000007FB0000-memory.dmp

Filesize
1.2MB

Download
memory/2648-145-0x0000000007E80000-0x0000000007FB0000-memory.dmp

Filesize
1.2MB

Download
memory/2648-156-0x0000000007FB0000-0x0000000008078000-memory.dmp

Filesize
800KB

Download
memory/2648-154-0x0000000007FB0000-0x0000000008078000-memory.dmp

Filesize
800KB

Download
memory/2648-142-0x0000000002470000-0x0000000002528000-memory.dmp

Filesize
736KB

Download
memory/3680-148-0x0000000000000000-mapping.dmp

Download
memory/4284-137-0x0000000000000000-mapping.dmp

Download
memory/4284-141-0x0000000001420000-0x0000000001434000-memory.dmp

Filesize
80KB

Download
memory/4284-144-0x0000000002D50000-0x0000000002D64000-memory.dmp

Filesize
80KB

Download
memory/4284-140-0x0000000000FD0000-0x000000000131A000-memory.dmp

Filesize
3.3MB

Download
memory/4284-147-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4284-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4284-143-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads