formbook | 762bc2a55e45ce9545e3463608736fcdb4ced03d3c56ca23467f1ff00d1d54a1

General

Target

QUOTATION.exe
Size

597KB
MD5

5ef5a1d3d29621fddc9bdc633da0a90d
SHA1

83addd1df3377f9e3e7ba76912c5ac1a573a522a
SHA256

dea7a268c93cf1c1298d1b9afeff6e7a6bc1a4798f2f237b3e1094fde2fd3f9c
SHA512

f6c61a0f6eef46300e4de98336afc81d699ce0a4ac8c367eba661efc2acd77c4e45495f59474c20b177269b27a7acce085c11794fcb881f944fae6af85aa9426
SSDEEP

12288:/GxOSlVNuFIpZBMWcus9XstaCb2Qw8bQbK:hSDqIpbMWcV9XoNSQzIK

Score

10^/10

formbook t94g discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t94g

Decoy

32188.top

mergencyroofrepair656460.online

jkahu.fun

ur4.autos

r0lba4cl0qkaws8.bond

eiliaowang.top

urjav.xyz

kidaman15.click

old-removal-p350.today

levatethismedia.info

h33323s40.top

dormy.click

5406.club

earlofwisdombook.pro

6980.app

ellwood999.biz

otdates.lol

164v.shop

thereal.app

takeget.online

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2624-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2624-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2624-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2560-25-0x0000000000080000-0x00000000000AF000-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
2856	powershell.exe

Deletes itself 1 IoCs

pid	Process
2708	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2944 set thread context of 2624	2944	QUOTATION.exe	33
PID 2624 set thread context of 1188	2624	QUOTATION.exe	21
PID 2624 set thread context of 1188	2624	QUOTATION.exe	21
PID 2560 set thread context of 1188	2560	wininit.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	QUOTATION.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wininit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2944	QUOTATION.exe
2944	QUOTATION.exe
2624	QUOTATION.exe
2624	QUOTATION.exe
2856	powershell.exe
2624	QUOTATION.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe
2560	wininit.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2624	QUOTATION.exe
2624	QUOTATION.exe
2624	QUOTATION.exe
2624	QUOTATION.exe
2560	wininit.exe
2560	wininit.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	QUOTATION.exe
Token: SeDebugPrivilege	2624	QUOTATION.exe
Token: SeDebugPrivilege	2856	powershell.exe
Token: SeDebugPrivilege	2560	wininit.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2856	2944	QUOTATION.exe	31
PID 2944 wrote to memory of 2856	2944	QUOTATION.exe	31
PID 2944 wrote to memory of 2856	2944	QUOTATION.exe	31
PID 2944 wrote to memory of 2856	2944	QUOTATION.exe	31
PID 2944 wrote to memory of 2624	2944	QUOTATION.exe	33
PID 2944 wrote to memory of 2624	2944	QUOTATION.exe	33
PID 2944 wrote to memory of 2624	2944	QUOTATION.exe	33
PID 2944 wrote to memory of 2624	2944	QUOTATION.exe	33
PID 2944 wrote to memory of 2624	2944	QUOTATION.exe	33
PID 2944 wrote to memory of 2624	2944	QUOTATION.exe	33
PID 2944 wrote to memory of 2624	2944	QUOTATION.exe	33
PID 1188 wrote to memory of 2560	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2560	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2560	1188	Explorer.EXE	34
PID 1188 wrote to memory of 2560	1188	Explorer.EXE	34
PID 2560 wrote to memory of 2708	2560	wininit.exe	35
PID 2560 wrote to memory of 2708	2560	wininit.exe	35
PID 2560 wrote to memory of 2708	2560	wininit.exe	35
PID 2560 wrote to memory of 2708	2560	wininit.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
  "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2944
- - 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\QUOTATION.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2856
- - C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2624
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.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:2560
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1188-16-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1188-22-0x00000000061C0000-0x00000000062E5000-memory.dmp

Filesize
1.1MB

Download
memory/1188-17-0x00000000061C0000-0x00000000062E5000-memory.dmp

Filesize
1.1MB

Download
memory/2560-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2560-24-0x0000000000890000-0x00000000008AA000-memory.dmp

Filesize
104KB

Download
memory/2624-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-15-0x0000000000160000-0x0000000000175000-memory.dmp

Filesize
84KB

Download
memory/2624-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2624-12-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/2624-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2944-5-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2944-18-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2944-4-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/2944-6-0x00000000052D0000-0x0000000005346000-memory.dmp

Filesize
472KB

Download
memory/2944-3-0x00000000004B0000-0x00000000004C2000-memory.dmp

Filesize
72KB

Download
memory/2944-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/2944-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/2944-1-0x0000000000960000-0x00000000009FC000-memory.dmp

Filesize
624KB

Download

Analysis

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