formbook | 5789e77416fdf448bd2f24cbf75a4de888d7dd10c4f0c5ff4ba2345da2b4d7f9

General

Target

3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe
Size

586KB
MD5

a7366314c2008fc40e3a1de0add37e35
SHA1

997576c272d4392b43a36bc195e7ef6fd9b3110a
SHA256

3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87
SHA512

d48f1df0943221b0dc5c28e9a5d614e364f51659de880d4000d8a703068babb33315634af862b70efae27ae048e6f96b0cf4a32d8000e4eed9c73a6b6f3faa86
SSDEEP

12288:U0nsD/ZqT+LEor6T19B8w7tUJ9ElWRM0Hsxipf6Lk:3n8nEorcnB8wZUJ94WXdd6

Score

10^/10

formbook o52o discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o52o

Decoy

ckroom.xyz

apanstock.online

6dtd8.vip

phone-in-installment-kz.today

ichaellee.info

mpresamkt38.online

ivein.today

78cx465vo.autos

avannahholcomb.shop

eochen008.top

rcraft.net

eth-saaae.buzz

ifxz.info

flegendarycap50.online

reon-network.xyz

ee.zone

ameralife.net

5en4.shop

eal-delivery-34026.bond

anion.app

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2676-17-0x0000000000400000-0x000000000042F000-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
2672	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2488 set thread context of 2676	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.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	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2676	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe
2672	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2672	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	30
PID 2488 wrote to memory of 2672	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	30
PID 2488 wrote to memory of 2672	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	30
PID 2488 wrote to memory of 2672	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	30
PID 2488 wrote to memory of 2716	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	31
PID 2488 wrote to memory of 2716	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	31
PID 2488 wrote to memory of 2716	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	31
PID 2488 wrote to memory of 2716	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	31
PID 2488 wrote to memory of 2676	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	34
PID 2488 wrote to memory of 2676	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	34
PID 2488 wrote to memory of 2676	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	34
PID 2488 wrote to memory of 2676	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	34
PID 2488 wrote to memory of 2676	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	34
PID 2488 wrote to memory of 2676	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	34
PID 2488 wrote to memory of 2676	2488	3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe	34

C:\Users\Admin\AppData\Local\Temp\3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe
"C:\Users\Admin\AppData\Local\Temp\3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jRPmXcPzRyO.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2672
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jRPmXcPzRyO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp625B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2716
- C:\Users\Admin\AppData\Local\Temp\3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe
  "C:\Users\Admin\AppData\Local\Temp\3335faabca6c9f12f7f1086828065cd19f491a6b705d4f7fba8ba6f53a3c5d87.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2676

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\tmp625B.tmp

Filesize
1KB

MD5
a294292fb587cd6a330d90760a6ab0ba

SHA1
8d5113ca680ec1886739540951efc86671e6aa0d

SHA256
d0fb15dd72a09f88602f9012146edf403716dc55752228c32ebeab9f57b6ede4

SHA512
0a260156ecb3392a563b563df249ce9354f2b78aa2f76f2eaea1c3fe8612136ec06e056595cd20918dbe7a1a4e622279d9c432bb58151291474db4697ba9befe

Download Submit
memory/2488-6-0x0000000004D20000-0x0000000004D98000-memory.dmp

Filesize
480KB

Download
memory/2488-2-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/2488-3-0x0000000000390000-0x00000000003A2000-memory.dmp

Filesize
72KB

Download
memory/2488-4-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

Filesize
4KB

Download
memory/2488-5-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/2488-0-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

Filesize
4KB

Download
memory/2488-1-0x0000000000860000-0x00000000008F8000-memory.dmp

Filesize
608KB

Download
memory/2488-18-0x0000000073F50000-0x000000007463E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2676-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2676-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads