formbook | aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882

General

Target

aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe
Size

575KB
MD5

8825b50e377782c6c889c43998b31555
SHA1

3d23cbc80c53b1fbf382e08d39ecf5f77d0d3419
SHA256

aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882
SHA512

864e8c8ba8d279e8764a9411914d95da99526104c9b07ae92c36b0ed1c7a9b34fcd212a622429a23313af9e61854f5c28bb2d71778d9fd1614f1c7325560e81b
SSDEEP

12288:VU01JG3ZdnU/XhUgzPma5dt6NCttGpXQ+apuaFxnkeZe1tdtTJ:VXPGrnUZUsOa5dtmC4Q+A7hZe1

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

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/2780-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 2780	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe
2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe
2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe
2780	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2768	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	28
PID 2656 wrote to memory of 2768	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	28
PID 2656 wrote to memory of 2768	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	28
PID 2656 wrote to memory of 2768	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	28
PID 2656 wrote to memory of 2780	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	29
PID 2656 wrote to memory of 2780	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	29
PID 2656 wrote to memory of 2780	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	29
PID 2656 wrote to memory of 2780	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	29
PID 2656 wrote to memory of 2780	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	29
PID 2656 wrote to memory of 2780	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	29
PID 2656 wrote to memory of 2780	2656	aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe	29

C:\Users\Admin\AppData\Local\Temp\aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe
"C:\Users\Admin\AppData\Local\Temp\aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe
  "C:\Users\Admin\AppData\Local\Temp\aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe"
  2⤵
  PID:2768
- C:\Users\Admin\AppData\Local\Temp\aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe
  "C:\Users\Admin\AppData\Local\Temp\aaad2261843429b4a8574c5c3fd1a80e2462fab4abdd1581eb4dacca34084882.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2656-6-0x0000000004490000-0x0000000004506000-memory.dmp

Filesize
472KB

Download
memory/2656-1-0x0000000000960000-0x00000000009F6000-memory.dmp

Filesize
600KB

Download
memory/2656-2-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2656-3-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/2656-4-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2656-5-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2656-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

Filesize
4KB

Download
memory/2656-15-0x0000000074E80000-0x000000007556E000-memory.dmp

Filesize
6.9MB

Download
memory/2780-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2780-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2780-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2780-16-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing