formbook | 6cb6ca24a5438e646c710e6f4f0c7f4f79d12faa9cf647e89a215083eea45417

General

Target

Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe
Size

313KB
MD5

624b5a402b803e5387ad3703512b6245
SHA1

c13ee0108903b3e3408db80e9d8b601f4831649b
SHA256

6cb6ca24a5438e646c710e6f4f0c7f4f79d12faa9cf647e89a215083eea45417
SHA512

cc7d20501feadf1599f936d8bba67973c052af9c99a617efde1b3d56b7c3b6b4be86865e924b25efbf2bb1486355bcff07c52459d7da5b202b0c701087daab8b
SSDEEP

6144:Mnfj51HnOQ7hseU+3FfVpJem0rHkMMQNI2tK+u:+5tnnN13FbEkOpK

Score

10^/10

formbook r4am rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

r4am

Decoy

7s+N0ZPIJ9VpqrvtKksXc7XuyWQV

b10VlJxyr+gCSypTPq+ttg==

p38gcQiwILmDccYrmbc=

J/ORoE40XwuxoUBl0DCnAjg=

waVc3Ur4Ig/2N0Ju2wG1DbgtjWxhIxs=

yp97AnUvgTnkTw4b

mYElQRz+60TcJwkmpAqVnYfUymE=

aUfuNJdSXN/qNxE/cpiTmoTL/4cd

aR/gJFPYz8rH+cVCjpty

xY45ukYcf0olJqofG75t

TBq3DAxHoNxz8qesW9Ft

TTP/Dhhszw/D8kZdFg==

qHgNTp0fYKBi19z346EcuNxg

A83SygeBE+V16/U=

LOesLh1Ykw8BKSmyaV1l

y6paCH8rmVAlJQ==

vYwzUX3wKXJGnWGyaV1l

lXVE0tXBtEtmmVeyaV1l

dV80xnHwI1aoF/MR

AN1o76cpYJhWVyFS1TCnAjg=

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1480	chkdsk.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 900 set thread context of 1908	900	Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe	27
PID 1908 set thread context of 1420	1908	cvtres.exe	11
PID 1480 set thread context of 1420	1480	chkdsk.exe	11

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
1908	cvtres.exe
1908	cvtres.exe
1908	cvtres.exe
1908	cvtres.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1908	cvtres.exe
1908	cvtres.exe
1908	cvtres.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe
1480	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1908	cvtres.exe
Token: SeDebugPrivilege	1480	chkdsk.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1420	Explorer.EXE
1420	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1420	Explorer.EXE
1420	Explorer.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 1908	900	Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe	27
PID 900 wrote to memory of 1908	900	Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe	27
PID 900 wrote to memory of 1908	900	Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe	27
PID 900 wrote to memory of 1908	900	Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe	27
PID 900 wrote to memory of 1908	900	Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe	27
PID 900 wrote to memory of 1908	900	Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe	27
PID 900 wrote to memory of 1908	900	Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe	27
PID 1420 wrote to memory of 1480	1420	Explorer.EXE	28
PID 1420 wrote to memory of 1480	1420	Explorer.EXE	28
PID 1420 wrote to memory of 1480	1420	Explorer.EXE	28
PID 1420 wrote to memory of 1480	1420	Explorer.EXE	28
PID 1480 wrote to memory of 1604	1480	chkdsk.exe	31
PID 1480 wrote to memory of 1604	1480	chkdsk.exe	31
PID 1480 wrote to memory of 1604	1480	chkdsk.exe	31
PID 1480 wrote to memory of 1604	1480	chkdsk.exe	31
PID 1480 wrote to memory of 1604	1480	chkdsk.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Users\Admin\AppData\Local\Temp\Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe
  "C:\Users\Admin\AppData\Local\Temp\Al Muhaidib Group KSA.Order With our Company Profile.doc.gz.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:900
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1908
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1480
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1604

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\sqlite3.dll

Filesize
841KB

MD5
5fc6cd5d5ca1489d2a3c361717359a95

SHA1
5c630e232cd5761e7a611e41515be4afa3e7a141

SHA256
85c8b8a648c56cf5f063912e0e26ecebb90e0caf2f442fd5cdd8287301fe7e81

SHA512
5f9124a721f6b463d4f980920e87925098aa753b0fa2a59a3ff48b48d2b1a45d760fd46445414d84fb66321181cd2c82a4194361811114c15e35b42f838ab792

Download Submit
memory/900-54-0x0000000000D20000-0x0000000000D6E000-memory.dmp

Filesize
312KB

Download
memory/900-56-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/900-57-0x0000000000450000-0x000000000045C000-memory.dmp

Filesize
48KB

Download
memory/900-58-0x0000000000460000-0x0000000000468000-memory.dmp

Filesize
32KB

Download
memory/900-55-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/1420-77-0x0000000006B70000-0x0000000006C9F000-memory.dmp

Filesize
1.2MB

Download
memory/1420-76-0x0000000006B70000-0x0000000006C9F000-memory.dmp

Filesize
1.2MB

Download
memory/1420-70-0x00000000072F0000-0x0000000007494000-memory.dmp

Filesize
1.6MB

Download
memory/1480-78-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/1480-75-0x0000000001D80000-0x0000000001E0F000-memory.dmp

Filesize
572KB

Download
memory/1480-74-0x0000000001FC0000-0x00000000022C3000-memory.dmp

Filesize
3.0MB

Download
memory/1480-72-0x0000000000480000-0x0000000000487000-memory.dmp

Filesize
28KB

Download
memory/1480-73-0x00000000000C0000-0x00000000000ED000-memory.dmp

Filesize
180KB

Download
memory/1908-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1908-69-0x0000000000260000-0x0000000000270000-memory.dmp

Filesize
64KB

Download
memory/1908-68-0x0000000000900000-0x0000000000C03000-memory.dmp

Filesize
3.0MB

Download
memory/1908-67-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1908-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1908-65-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1908-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1908-59-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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