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 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4816-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4816-15-0x00000000012F0000-0x000000000163A000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 64 set thread context of 4816	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	92

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 10 IoCs

pid	Process
64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
4816	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
4816	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 64 wrote to memory of 4792	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	89
PID 64 wrote to memory of 4792	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	89
PID 64 wrote to memory of 4792	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	89
PID 64 wrote to memory of 2748	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	90
PID 64 wrote to memory of 2748	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	90
PID 64 wrote to memory of 2748	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	90
PID 64 wrote to memory of 632	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	91
PID 64 wrote to memory of 632	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	91
PID 64 wrote to memory of 632	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	91
PID 64 wrote to memory of 4816	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	92
PID 64 wrote to memory of 4816	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	92
PID 64 wrote to memory of 4816	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	92
PID 64 wrote to memory of 4816	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	92
PID 64 wrote to memory of 4816	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	92
PID 64 wrote to memory of 4816	64	42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe	92

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:64
- C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
  "C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe"
  2⤵
  PID:4792
- C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
  "C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe"
  2⤵
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
  "C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe"
  2⤵
  PID:632
- C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe
  "C:\Users\Admin\AppData\Local\Temp\42e319dba75dc914d5645a6fc1025984c6e64a34303cb7c5e9b936aade524efe.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4816

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/64-6-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/64-10-0x00000000091B0000-0x000000000924C000-memory.dmp

Filesize
624KB

Download
memory/64-2-0x0000000005530000-0x0000000005AD4000-memory.dmp

Filesize
5.6MB

Download
memory/64-3-0x0000000005080000-0x0000000005112000-memory.dmp

Filesize
584KB

Download
memory/64-4-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/64-5-0x0000000005140000-0x000000000514A000-memory.dmp

Filesize
40KB

Download
memory/64-1-0x0000000000620000-0x00000000006B4000-memory.dmp

Filesize
592KB

Download
memory/64-8-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/64-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/64-9-0x0000000006AF0000-0x0000000006B66000-memory.dmp

Filesize
472KB

Download
memory/64-7-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/64-13-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4816-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4816-14-0x00000000012F0000-0x000000000163A000-memory.dmp

Filesize
3.3MB

Download
memory/4816-15-0x00000000012F0000-0x000000000163A000-memory.dmp

Filesize
3.3MB

Download

Analysis

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