formbook | 1e8b6e81e55f9ba76b855e32bf3428329c3dc2e0ec48bf2a85e523bf07a7f284

Analysis

max time kernel
300s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20-09-2024 00:50

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General

Target

ORDER_1105-19-243537.pdf.exe
Size

572KB
MD5

bcd813a5df020375578f7c243dfc0a3e
SHA1

18235f9e38482e7e55714d444e474a981bd038b2
SHA256

654807fa7512e651b73910dab8cc520f40a5ebd3eedad72c7882b1a608fd0f8e
SHA512

b522deeb7e009952df95558d8bfa013ff723975d15fa52cdd95e6b6de0a192c407cf2a245a809cf5680df0bd915786364cdc3f4fb7fcd569a47a91c14dc93ad9
SSDEEP

12288:3HOD40mNJF7R9wPYTOdoPS6Y3kzl610xUob4chTgbqB5QBlLkoQsIjC/Rair:3uDoXR9wPSFPDlt/mqsBlZJIjEv

Score

10^/10

formbook rn94 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rn94

Decoy

st68v.xyz

conciergenotary.net

qwechaotk.top

rtpdonatoto29.xyz

8ad.xyz

powermove.top

cameras-30514.bond

vanguardcoffee.shop

umoe53fxc1bsujv.buzz

consultoriamax.net

hplxx.com

ndu.wtf

yzh478c.xyz

bigbrown999.site

xiake07.asia

resdai.xyz

the35678.shop

ba6rf.rest

ceo688.com

phimxhot.xyz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2412-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2412-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2740-21-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2128	powershell.exe

Deletes itself 1 IoCs

pid	Process
2668	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 2412	2500	ORDER_1105-19-243537.pdf.exe	33
PID 2412 set thread context of 1212	2412	ORDER_1105-19-243537.pdf.exe	21
PID 2740 set thread context of 1212	2740	mstsc.exe	21

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ORDER_1105-19-243537.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2500	ORDER_1105-19-243537.pdf.exe
2500	ORDER_1105-19-243537.pdf.exe
2412	ORDER_1105-19-243537.pdf.exe
2412	ORDER_1105-19-243537.pdf.exe
2128	powershell.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe
2740	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2412	ORDER_1105-19-243537.pdf.exe
2412	ORDER_1105-19-243537.pdf.exe
2412	ORDER_1105-19-243537.pdf.exe
2740	mstsc.exe
2740	mstsc.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	ORDER_1105-19-243537.pdf.exe
Token: SeDebugPrivilege	2412	ORDER_1105-19-243537.pdf.exe
Token: SeDebugPrivilege	2128	powershell.exe
Token: SeDebugPrivilege	2740	mstsc.exe
Token: SeShutdownPrivilege	1212	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2128	2500	ORDER_1105-19-243537.pdf.exe	31
PID 2500 wrote to memory of 2128	2500	ORDER_1105-19-243537.pdf.exe	31
PID 2500 wrote to memory of 2128	2500	ORDER_1105-19-243537.pdf.exe	31
PID 2500 wrote to memory of 2128	2500	ORDER_1105-19-243537.pdf.exe	31
PID 2500 wrote to memory of 2412	2500	ORDER_1105-19-243537.pdf.exe	33
PID 2500 wrote to memory of 2412	2500	ORDER_1105-19-243537.pdf.exe	33
PID 2500 wrote to memory of 2412	2500	ORDER_1105-19-243537.pdf.exe	33
PID 2500 wrote to memory of 2412	2500	ORDER_1105-19-243537.pdf.exe	33
PID 2500 wrote to memory of 2412	2500	ORDER_1105-19-243537.pdf.exe	33
PID 2500 wrote to memory of 2412	2500	ORDER_1105-19-243537.pdf.exe	33
PID 2500 wrote to memory of 2412	2500	ORDER_1105-19-243537.pdf.exe	33
PID 1212 wrote to memory of 2740	1212	Explorer.EXE	34
PID 1212 wrote to memory of 2740	1212	Explorer.EXE	34
PID 1212 wrote to memory of 2740	1212	Explorer.EXE	34
PID 1212 wrote to memory of 2740	1212	Explorer.EXE	34
PID 2740 wrote to memory of 2668	2740	mstsc.exe	35
PID 2740 wrote to memory of 2668	2740	mstsc.exe	35
PID 2740 wrote to memory of 2668	2740	mstsc.exe	35
PID 2740 wrote to memory of 2668	2740	mstsc.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\ORDER_1105-19-243537.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\ORDER_1105-19-243537.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ORDER_1105-19-243537.pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2128
- - C:\Users\Admin\AppData\Local\Temp\ORDER_1105-19-243537.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER_1105-19-243537.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2412
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\ORDER_1105-19-243537.pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1212-17-0x0000000007110000-0x0000000007281000-memory.dmp

Filesize
1.4MB

Download
memory/2412-15-0x0000000000300000-0x0000000000315000-memory.dmp

Filesize
84KB

Download
memory/2412-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2412-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2412-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2412-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2412-12-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/2412-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2500-5-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2500-3-0x0000000000270000-0x0000000000280000-memory.dmp

Filesize
64KB

Download
memory/2500-2-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2500-6-0x0000000005040000-0x00000000050B6000-memory.dmp

Filesize
472KB

Download
memory/2500-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2500-4-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2500-1-0x0000000000A00000-0x0000000000A96000-memory.dmp

Filesize
600KB

Download
memory/2500-16-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2740-20-0x00000000009F0000-0x0000000000AF4000-memory.dmp

Filesize
1.0MB

Download
memory/2740-21-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download