formbook | 3017b026d0925919ad8085d523f83235fa84ead58d1399576e60e6183003820e

General

Target

Inv_7623980.exe
Size

711KB
MD5

9fefd93d8530102d9b1689d0aa233e51
SHA1

6c3f12a9fa864ac8c783da3f2a5b75254a692f85
SHA256

3017b026d0925919ad8085d523f83235fa84ead58d1399576e60e6183003820e
SHA512

45754db3bd5cc9d11d42f5b226efceac2b9694188e5843ccc28b103b005776e92b859f0fcdb7a192b7ed22fd00001ee21c15def22446c8deb07e2375a9ccb3e5
SSDEEP

12288:4MqBGppnzSOTzo6rv625OPX4EaxKqHcTZK9Mlr:9q0pBSOTc6Dn5MX4uq8Zz

Score

10^/10

formbook m82 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m82

Decoy

jamesdevereux.com

artificialturfminneapolis.com

hongmeiyan.com

lojaderoupasbr.com

yit.africa

austinrelocationexpert.com

saiva.page

exitsategy.com

chochonux.com

klosterbraeu-unterliezheim.com

byseymanur.com

sblwarwickshire.co.uk

brazimaid.com

ciogame.com

bronzesailing.com

dwkapl.xyz

022dyd.com

compassandpathwriting.com

alphabet1x.com

selfcleaninghairbrush.co.uk

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/1684-140-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1684-144-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1684-151-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2584-153-0x0000000000E60000-0x0000000000E8F000-memory.dmp	formbook
behavioral2/memory/2584-155-0x0000000000E60000-0x0000000000E8F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

Inv_7623980.exeInv_7623980.exechkdsk.exe

description	pid	process	target process
PID 2244 set thread context of 1684	2244	Inv_7623980.exe	Inv_7623980.exe
PID 1684 set thread context of 2784	1684	Inv_7623980.exe	Explorer.EXE
PID 1684 set thread context of 2784	1684	Inv_7623980.exe	Explorer.EXE
PID 2584 set thread context of 2784	2584	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

Inv_7623980.exeInv_7623980.exechkdsk.exe

pid	process
2244	Inv_7623980.exe
2244	Inv_7623980.exe
1684	Inv_7623980.exe
1684	Inv_7623980.exe
1684	Inv_7623980.exe
1684	Inv_7623980.exe
1684	Inv_7623980.exe
1684	Inv_7623980.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe
2584	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2784 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Inv_7623980.exechkdsk.exe

pid process

1684 Inv_7623980.exe
1684 Inv_7623980.exe
1684 Inv_7623980.exe
1684 Inv_7623980.exe
2584 chkdsk.exe
2584 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Inv_7623980.exeInv_7623980.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 2244 Inv_7623980.exe
Token: SeDebugPrivilege 1684 Inv_7623980.exe
Token: SeDebugPrivilege 2584 chkdsk.exe

pid	process
2784	Explorer.EXE

pid	process
1684	Inv_7623980.exe
1684	Inv_7623980.exe
1684	Inv_7623980.exe
1684	Inv_7623980.exe
2584	chkdsk.exe
2584	chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	2244	Inv_7623980.exe
Token: SeDebugPrivilege	1684	Inv_7623980.exe
Token: SeDebugPrivilege	2584	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Inv_7623980.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 2244 wrote to memory of 3324	2244	Inv_7623980.exe	Inv_7623980.exe
PID 2244 wrote to memory of 3324	2244	Inv_7623980.exe	Inv_7623980.exe
PID 2244 wrote to memory of 3324	2244	Inv_7623980.exe	Inv_7623980.exe
PID 2244 wrote to memory of 1684	2244	Inv_7623980.exe	Inv_7623980.exe
PID 2244 wrote to memory of 1684	2244	Inv_7623980.exe	Inv_7623980.exe
PID 2244 wrote to memory of 1684	2244	Inv_7623980.exe	Inv_7623980.exe
PID 2244 wrote to memory of 1684	2244	Inv_7623980.exe	Inv_7623980.exe
PID 2244 wrote to memory of 1684	2244	Inv_7623980.exe	Inv_7623980.exe
PID 2244 wrote to memory of 1684	2244	Inv_7623980.exe	Inv_7623980.exe
PID 2784 wrote to memory of 2584	2784	Explorer.EXE	chkdsk.exe
PID 2784 wrote to memory of 2584	2784	Explorer.EXE	chkdsk.exe
PID 2784 wrote to memory of 2584	2784	Explorer.EXE	chkdsk.exe
PID 2584 wrote to memory of 1844	2584	chkdsk.exe	cmd.exe
PID 2584 wrote to memory of 1844	2584	chkdsk.exe	cmd.exe
PID 2584 wrote to memory of 1844	2584	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2784

C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe
"C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244

C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe
"C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe"
3⤵
PID:3324

C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe
"C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1684

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Inv_7623980.exe"
3⤵
PID:1844

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

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1684-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1684-151-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1684-148-0x0000000003460000-0x0000000003475000-memory.dmp

Filesize
84KB

Download
memory/1684-145-0x00000000016F0000-0x0000000001705000-memory.dmp

Filesize
84KB

Download
memory/1684-144-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1684-143-0x0000000001710000-0x0000000001A5A000-memory.dmp

Filesize
3.3MB

Download
memory/2244-139-0x0000000008490000-0x000000000852C000-memory.dmp

Filesize
624KB

Download
memory/2244-134-0x0000000005BA0000-0x0000000006144000-memory.dmp

Filesize
5.6MB

Download
memory/2244-138-0x00000000057A0000-0x00000000057B0000-memory.dmp

Filesize
64KB

Download
memory/2244-137-0x00000000057A0000-0x00000000057B0000-memory.dmp

Filesize
64KB

Download
memory/2244-136-0x0000000005580000-0x000000000558A000-memory.dmp

Filesize
40KB

Download
memory/2244-133-0x0000000000C60000-0x0000000000D18000-memory.dmp

Filesize
736KB

Download
memory/2244-135-0x00000000055F0000-0x0000000005682000-memory.dmp

Filesize
584KB

Download
memory/2584-155-0x0000000000E60000-0x0000000000E8F000-memory.dmp

Filesize
188KB

Download
memory/2584-150-0x0000000000F00000-0x0000000000F0A000-memory.dmp

Filesize
40KB

Download
memory/2584-152-0x0000000000F00000-0x0000000000F0A000-memory.dmp

Filesize
40KB

Download
memory/2584-153-0x0000000000E60000-0x0000000000E8F000-memory.dmp

Filesize
188KB

Download
memory/2584-154-0x0000000001740000-0x0000000001A8A000-memory.dmp

Filesize
3.3MB

Download
memory/2584-157-0x0000000001530000-0x00000000015C4000-memory.dmp

Filesize
592KB

Download
memory/2784-149-0x0000000008E70000-0x0000000008F8B000-memory.dmp

Filesize
1.1MB

Download
memory/2784-146-0x00000000089B0000-0x0000000008AA8000-memory.dmp

Filesize
992KB

Download
memory/2784-158-0x00000000091E0000-0x00000000092E0000-memory.dmp

Filesize
1024KB

Download
memory/2784-159-0x00000000091E0000-0x00000000092E0000-memory.dmp

Filesize
1024KB

Download
memory/2784-161-0x00000000091E0000-0x00000000092E0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads