formbook | ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a

General

Target

BAT6357377.exe
Size

627KB
MD5

ef494e2d8600338e6c4abb514a6f2fdb
SHA1

8864364fb585590e5cddc1356d44ce1ba731dbff
SHA256

ab178721c79dcba37cf1979de6f85c6b3531371b8492749970d91773a505949a
SHA512

b8fb64d569e1066c794567641ad28052a3684358f9faf14e393406057811f0654670687a2e702e67dae6ed8cb4000c5c16a8e42af940c9de2b9d33adafd1ce1e
SSDEEP

12288:j0R/Uv8Ua4u1oV2KCe/bldkNzOzmXYu5dq1TEpT:j0R8EUa41FMkzEdq1Ip

Score

10^/10

formbook h209 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h209

Decoy

sbtstuff.site

omlyes.com

movershifting.com

gearballer.com

oketoto.pro

myringleader.com

lrcjc750s.xyz

ata2024.xyz

password-manager-89409.bond

aiassistanthub.net

changvolt.cfd

netino.site

wear-wale.com

omnipresenceagency.com

huangguan.ooo

propersonnelmedia.com

9332952.com

k3s.support

ciytrw.xyz

cb095.pro

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/2756-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2756-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2720-25-0x0000000000080000-0x00000000000AF000-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
2692	powershell.exe

Deletes itself 1 IoCs

pid	Process
2640	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 2756	2520	BAT6357377.exe	34
PID 2756 set thread context of 1196	2756	BAT6357377.exe	21
PID 2756 set thread context of 1196	2756	BAT6357377.exe	21
PID 2720 set thread context of 1196	2720	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	BAT6357377.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2756	BAT6357377.exe
2756	BAT6357377.exe
2692	powershell.exe
2756	BAT6357377.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe
2720	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2756	BAT6357377.exe
2756	BAT6357377.exe
2756	BAT6357377.exe
2756	BAT6357377.exe
2720	mstsc.exe
2720	mstsc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	BAT6357377.exe
Token: SeDebugPrivilege	2692	powershell.exe
Token: SeDebugPrivilege	2720	mstsc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2692	2520	BAT6357377.exe	30
PID 2520 wrote to memory of 2692	2520	BAT6357377.exe	30
PID 2520 wrote to memory of 2692	2520	BAT6357377.exe	30
PID 2520 wrote to memory of 2692	2520	BAT6357377.exe	30
PID 2520 wrote to memory of 1888	2520	BAT6357377.exe	31
PID 2520 wrote to memory of 1888	2520	BAT6357377.exe	31
PID 2520 wrote to memory of 1888	2520	BAT6357377.exe	31
PID 2520 wrote to memory of 1888	2520	BAT6357377.exe	31
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 2520 wrote to memory of 2756	2520	BAT6357377.exe	34
PID 1196 wrote to memory of 2720	1196	Explorer.EXE	36
PID 1196 wrote to memory of 2720	1196	Explorer.EXE	36
PID 1196 wrote to memory of 2720	1196	Explorer.EXE	36
PID 1196 wrote to memory of 2720	1196	Explorer.EXE	36
PID 2720 wrote to memory of 2640	2720	mstsc.exe	37
PID 2720 wrote to memory of 2640	2720	mstsc.exe	37
PID 2720 wrote to memory of 2640	2720	mstsc.exe	37
PID 2720 wrote to memory of 2640	2720	mstsc.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\BAT6357377.exe
  "C:\Users\Admin\AppData\Local\Temp\BAT6357377.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\npDpoOL.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2692
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\npDpoOL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC810.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1888
- - C:\Users\Admin\AppData\Local\Temp\BAT6357377.exe
    "C:\Users\Admin\AppData\Local\Temp\BAT6357377.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2756
- 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:2720
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\BAT6357377.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2640

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\tmpC810.tmp

Filesize
1KB

MD5
3ad85a7c9386b4cf525045951dfd4de6

SHA1
31e124331d0c4741a0f91e661c556cfc68bc51dc

SHA256
98f5eac01ca0d2c256ea54308230ce6f097702b31bbdac3a10727b439783b602

SHA512
69ef1ee24df8b0029ea08d6382d0ddd70bd3cd24e4b12b6dca67cfa46e651810de184169a8848f0fa388d4f7368f1db3808df990e6fe6bc8956963ffcbb4251b

Download Submit
memory/1196-23-0x0000000006210000-0x00000000063BA000-memory.dmp

Filesize
1.7MB

Download
memory/2520-1-0x0000000001070000-0x0000000001112000-memory.dmp

Filesize
648KB

Download
memory/2520-2-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-3-0x0000000000910000-0x0000000000928000-memory.dmp

Filesize
96KB

Download
memory/2520-4-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2520-5-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-6-0x0000000004AD0000-0x0000000004B46000-memory.dmp

Filesize
472KB

Download
memory/2520-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2520-18-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2720-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2720-24-0x0000000000940000-0x0000000000A44000-memory.dmp

Filesize
1.0MB

Download
memory/2756-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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