formbook | a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15

General

Target

a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe
Size

600KB
MD5

a666dc5c6765f6912878fc840aceaf82
SHA1

9f804c5d474f723f6c08cac07569c237c25286a7
SHA256

a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15
SHA512

4835ff70937f9b5f0da3e2ff61126255b1da74e7c0be00654e062b9b5463ad10380b1e2952c7ccaf05d9090a03c8a020ec6baf6cd7b3259ab54e3de57582553b
SSDEEP

12288:hhr8bQb07Lo2kJc9SkHKksvXYXaGtfTiGEXV9JT6newNcGn:gIEcWSkMvoKGtfTiGAWqW

Score

10^/10

formbook bopi discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bopi

Decoy

zq4.top

relationship-coach-88497.bond

destekbirimi.xyz

tgh-reg.xyz

pepcapital.net

edunote.media

loans-credits-63765.bond

zhxgtlw.top

rajalele.xyz

ug-tower.asia

agrajter.com

investment-services-44387.bond

yaoxiaocang.fun

23win6.top

used-cars-84168.bond

primesourceglobal.net

indiapostsk.vip

qe2i7cghzpebk.buzz

furniture-27975.bond

fy489tysiot4twoinsr3295y78h.xyz

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/2804-11-0x0000000000400000-0x000000000042F000-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
2904	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2644 set thread context of 2804	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	32

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 2 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	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2804	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe
2904	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2904	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	30
PID 2644 wrote to memory of 2904	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	30
PID 2644 wrote to memory of 2904	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	30
PID 2644 wrote to memory of 2904	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	30
PID 2644 wrote to memory of 2804	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	32
PID 2644 wrote to memory of 2804	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	32
PID 2644 wrote to memory of 2804	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	32
PID 2644 wrote to memory of 2804	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	32
PID 2644 wrote to memory of 2804	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	32
PID 2644 wrote to memory of 2804	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	32
PID 2644 wrote to memory of 2804	2644	a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe	32

C:\Users\Admin\AppData\Local\Temp\a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe
"C:\Users\Admin\AppData\Local\Temp\a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- 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\a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2904
- C:\Users\Admin\AppData\Local\Temp\a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe
  "C:\Users\Admin\AppData\Local\Temp\a3a0f6ef77d8d2270b5baac5ac9185bdf9e30351e61cb6f7a90c76601e004b15.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2804

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

Loading Replay Monitor...

Downloads

memory/2644-6-0x0000000005620000-0x0000000005696000-memory.dmp

Filesize
472KB

Download
memory/2644-0-0x00000000741CE000-0x00000000741CF000-memory.dmp

Filesize
4KB

Download
memory/2644-2-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-3-0x0000000000360000-0x0000000000372000-memory.dmp

Filesize
72KB

Download
memory/2644-4-0x00000000741CE000-0x00000000741CF000-memory.dmp

Filesize
4KB

Download
memory/2644-5-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2644-1-0x0000000000A80000-0x0000000000B1C000-memory.dmp

Filesize
624KB

Download
memory/2644-12-0x00000000741C0000-0x00000000748AE000-memory.dmp

Filesize
6.9MB

Download
memory/2804-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2804-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2804-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2804-13-0x0000000000B20000-0x0000000000E23000-memory.dmp

Filesize
3.0MB

Download
memory/2804-16-0x0000000000B20000-0x0000000000E23000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing