formbook | 72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52

General

Target

PR_Form_20240809_145815.bat.exe
Size

634KB
MD5

dff2a4f9c0e8469a1829ab1f39668856
SHA1

77a56409876a9c0c33fd59a070a21c8ee1b18a92
SHA256

72997c981fef64ed3cf79ffa5b2a496aca59fbefd54f7585049f71d69de1fe52
SHA512

aff25af1d0a6bf6ebf9aeb5758214c9a0dd559e7a7d5bb2330ed07e6d06e6f2c5169dcb71176366c7eb75d925c72631a3c471fb1e3239c56dc8e87e71804451e
SSDEEP

12288:OZCxSBAiSeURm5+Y7o0amp+ztqlACErYz4BjNA314OSxfmMNfDmvAwkR:bxSBAOUe+Y7o0CRBdrPk14bFN7eA3

Score

10^/10

formbook sy52 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sy52

Decoy

wxxj.asia

emu-oil.online

theprogressiontalks.com

saigonvape.com

cb257.pro

inucana.com

xn--pdr89n.vip

vtc.bzh

connexionsink.com

mastersofthevibes.com

mallsetuae.shop

bellaandbling.com

wagi88.one

273618.bid

japanvietnam-mall.com

lkd1t.rest

oflgjgiq.xyz

calliblography.com

idz8u.vip

marrybears.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2904-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2540-24-0x00000000000D0000-0x00000000000FF000-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
2632	powershell.exe

Deletes itself 1 IoCs

pid	Process
2556	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2220 set thread context of 2904	2220	PR_Form_20240809_145815.bat.exe	34
PID 2904 set thread context of 1196	2904	PR_Form_20240809_145815.bat.exe	21
PID 2540 set thread context of 1196	2540	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 5 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	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PR_Form_20240809_145815.bat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2220	PR_Form_20240809_145815.bat.exe
2220	PR_Form_20240809_145815.bat.exe
2220	PR_Form_20240809_145815.bat.exe
2904	PR_Form_20240809_145815.bat.exe
2904	PR_Form_20240809_145815.bat.exe
2632	powershell.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe
2540	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2904	PR_Form_20240809_145815.bat.exe
2904	PR_Form_20240809_145815.bat.exe
2904	PR_Form_20240809_145815.bat.exe
2540	mstsc.exe
2540	mstsc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	PR_Form_20240809_145815.bat.exe
Token: SeDebugPrivilege	2904	PR_Form_20240809_145815.bat.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	2540	mstsc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2632	2220	PR_Form_20240809_145815.bat.exe	30
PID 2220 wrote to memory of 2632	2220	PR_Form_20240809_145815.bat.exe	30
PID 2220 wrote to memory of 2632	2220	PR_Form_20240809_145815.bat.exe	30
PID 2220 wrote to memory of 2632	2220	PR_Form_20240809_145815.bat.exe	30
PID 2220 wrote to memory of 2708	2220	PR_Form_20240809_145815.bat.exe	32
PID 2220 wrote to memory of 2708	2220	PR_Form_20240809_145815.bat.exe	32
PID 2220 wrote to memory of 2708	2220	PR_Form_20240809_145815.bat.exe	32
PID 2220 wrote to memory of 2708	2220	PR_Form_20240809_145815.bat.exe	32
PID 2220 wrote to memory of 2904	2220	PR_Form_20240809_145815.bat.exe	34
PID 2220 wrote to memory of 2904	2220	PR_Form_20240809_145815.bat.exe	34
PID 2220 wrote to memory of 2904	2220	PR_Form_20240809_145815.bat.exe	34
PID 2220 wrote to memory of 2904	2220	PR_Form_20240809_145815.bat.exe	34
PID 2220 wrote to memory of 2904	2220	PR_Form_20240809_145815.bat.exe	34
PID 2220 wrote to memory of 2904	2220	PR_Form_20240809_145815.bat.exe	34
PID 2220 wrote to memory of 2904	2220	PR_Form_20240809_145815.bat.exe	34
PID 1196 wrote to memory of 2540	1196	Explorer.EXE	35
PID 1196 wrote to memory of 2540	1196	Explorer.EXE	35
PID 1196 wrote to memory of 2540	1196	Explorer.EXE	35
PID 1196 wrote to memory of 2540	1196	Explorer.EXE	35
PID 2540 wrote to memory of 2556	2540	mstsc.exe	36
PID 2540 wrote to memory of 2556	2540	mstsc.exe	36
PID 2540 wrote to memory of 2556	2540	mstsc.exe	36
PID 2540 wrote to memory of 2556	2540	mstsc.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.bat.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\szDsBbzQTYLbvU.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2632
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\szDsBbzQTYLbvU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp61EE.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2708
- - C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.bat.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2904
- 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:2540
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.bat.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp61EE.tmp

Filesize
1KB

MD5
872252b4dca2329c6e2be2f36c52b9d2

SHA1
6d4aa25a5e4e478ef7d3a83153bc05d5e95d0441

SHA256
2cf158e672913c93128845bbfa5d8abae2cee689d4d0d20f111e1c01c837fe9c

SHA512
f7995d3a9d6a4720635b822a08aef2f3a623efac13349298cb967641beb2886d86324e5f2b9746cd0c27dc7327f92bd4fafffcc2591fc6784c0fceda95dbb65b

Download Submit
memory/1196-26-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1196-22-0x00000000037B0000-0x00000000038B0000-memory.dmp

Filesize
1024KB

Download
memory/2220-18-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-2-0x0000000073D50000-0x000000007443E000-memory.dmp

Filesize
6.9MB

Download
memory/2220-5-0x00000000009D0000-0x00000000009E6000-memory.dmp

Filesize
88KB

Download
memory/2220-6-0x0000000004F80000-0x0000000004FF6000-memory.dmp

Filesize
472KB

Download
memory/2220-3-0x0000000000670000-0x000000000068A000-memory.dmp

Filesize
104KB

Download
memory/2220-1-0x0000000001230000-0x00000000012D0000-memory.dmp

Filesize
640KB

Download
memory/2220-4-0x0000000000690000-0x000000000069E000-memory.dmp

Filesize
56KB

Download
memory/2220-0-0x0000000073D5E000-0x0000000073D5F000-memory.dmp

Filesize
4KB

Download
memory/2540-23-0x0000000000420000-0x0000000000524000-memory.dmp

Filesize
1.0MB

Download
memory/2540-24-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2904-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2904-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2904-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2904-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads