formbook | 42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe

General

Target

42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
Size

570KB
MD5

14ede9b23957c1f6951f9349aac1e5ff
SHA1

eaba8b3dd5cb1d90dc648f004b40410979d09e36
SHA256

42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe
SHA512

6b10adbae6db67ff112a4dc74ddd31c525c5c96c78fef46231d79b2c653b4d042b28d2957fbe24a77c48176b481b0a69a321ba682c7e33bb33962abd114324f0
SSDEEP

12288:uHa0mNx2zIcbKWlCAH8ue+ISEyAxBjF7AHpuJotvbScHBzyyN8MwW:uqx2zd5p8Z+ISHAGschGyG

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/2912-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 2912	2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.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	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
2912	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2912	2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	29
PID 2248 wrote to memory of 2912	2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	29
PID 2248 wrote to memory of 2912	2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	29
PID 2248 wrote to memory of 2912	2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	29
PID 2248 wrote to memory of 2912	2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	29
PID 2248 wrote to memory of 2912	2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	29
PID 2248 wrote to memory of 2912	2248	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	29

C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
"C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
  "C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2912

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/2248-6-0x0000000005440000-0x00000000054B6000-memory.dmp

Filesize
472KB

Download
memory/2248-1-0x0000000000CD0000-0x0000000000D64000-memory.dmp

Filesize
592KB

Download
memory/2248-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2248-3-0x0000000000710000-0x0000000000720000-memory.dmp

Filesize
64KB

Download
memory/2248-4-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2248-5-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2248-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2248-12-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2912-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2912-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2912-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2912-13-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download

Analysis

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