formbook | 6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe

General

Target

6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe
Size

640KB
MD5

8ae724ab3e2563c045f22b247bb503ca
SHA1

b83ee3453ede32642ed99b27b726d7640e3b9f7e
SHA256

6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe
SHA512

2b1da1732b583c3a66e0a7b35ce73a63cda90aed5beb9db965fddd75e3f1cc721bda0bb3ab06e38569a9d23dc2e1112d20a4c6ee465d42287dd06374c41df43e
SSDEEP

12288:R8xa/zmcDXmbrEtQNwRxifuSuGcaCpPUKKcLP/H2xKiWmY0qSh4Gs:R8xaak0QtQNa6uS9CpUKKcLnGKiW4qpP

Score

10^/10

formbook hy08 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy08

Decoy

weazc.top

servoceimmpajhnuz.info

vqemkdhi.xyz

wergol.com

spa-mk.com

rtpsid88.life

tatetits.fun

raidsa.xyz

suojiansuode.net

jointhejunction.com

wudai.net

typeboot.shop

mksport-app.com

miocloud.ovh

taipan77pandan.com

wwwhg58a.com

khuahamiksai31.pro

carpedatumllc.net

safebinders.com

krx21.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2828-17-0x0000000000400000-0x000000000042F000-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
2924	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1760 set thread context of 2828	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	34

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 3 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	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.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
2132	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2828	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe
2924	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2924	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	30
PID 1760 wrote to memory of 2924	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	30
PID 1760 wrote to memory of 2924	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	30
PID 1760 wrote to memory of 2924	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	30
PID 1760 wrote to memory of 2132	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	32
PID 1760 wrote to memory of 2132	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	32
PID 1760 wrote to memory of 2132	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	32
PID 1760 wrote to memory of 2132	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	32
PID 1760 wrote to memory of 2828	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	34
PID 1760 wrote to memory of 2828	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	34
PID 1760 wrote to memory of 2828	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	34
PID 1760 wrote to memory of 2828	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	34
PID 1760 wrote to memory of 2828	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	34
PID 1760 wrote to memory of 2828	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	34
PID 1760 wrote to memory of 2828	1760	6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe	34

C:\Users\Admin\AppData\Local\Temp\6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe
"C:\Users\Admin\AppData\Local\Temp\6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tjvoRD.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2924
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tjvoRD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE6D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2132
- C:\Users\Admin\AppData\Local\Temp\6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe
  "C:\Users\Admin\AppData\Local\Temp\6b112c998634e2a7c4b8f8442ff09f67f9e02cf6273172b856ded617a61fcafe.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2828

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\tmpDE6D.tmp

Filesize
1KB

MD5
08fb5e35e4df2a563d000517dd1445bb

SHA1
9f067b3f52eea7232c5e67d98c4fb2253edd86d6

SHA256
f256e38958f5cf9fdd05ec4477199c31a5f0b1b79cdd1e443f768e8dee8a5ac4

SHA512
f678bff4990bba0f77d55110e668f172d3ecb767cf192eaeefd2aa8f3939958098083ac7f993939a93b7963d36a334cdcd2e4f4ddbfb44a91654a2d0b415c6af

Download Submit
memory/1760-6-0x0000000005950000-0x00000000059C6000-memory.dmp

Filesize
472KB

Download
memory/1760-2-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-3-0x00000000005A0000-0x00000000005B8000-memory.dmp

Filesize
96KB

Download
memory/1760-4-0x00000000005C0000-0x00000000005CE000-memory.dmp

Filesize
56KB

Download
memory/1760-5-0x00000000005D0000-0x00000000005E6000-memory.dmp

Filesize
88KB

Download
memory/1760-0-0x000000007435E000-0x000000007435F000-memory.dmp

Filesize
4KB

Download
memory/1760-1-0x0000000000AF0000-0x0000000000B96000-memory.dmp

Filesize
664KB

Download
memory/1760-20-0x0000000074350000-0x0000000074A3E000-memory.dmp

Filesize
6.9MB

Download
memory/2828-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2828-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2828-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2828-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads