formbook | 435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397

General

Target

435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe
Size

681KB
MD5

9543b5b2255515598a9029b12bf4ba3d
SHA1

4606c0dc68d132d32ceb0052e970e813eb881d51
SHA256

435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397
SHA512

ad3c7a43372714bdcb2b73ba03edf315d5cb82d463c1c4f2e993a973ba036a3bd12b19b853896962cc84e90861d8a6d153e7f28c7f1fee18a09092b189f007aa
SSDEEP

12288:9P9r1UoIG5MPUekc2vJPGWmEDKGS3BI951CqYxbVpQp1Lh1He3:9vUobyJC+9YKGr9rCqUV4BPHe3

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/1528-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 1528	2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.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	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe
2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe
1528	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 1528	2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe	29
PID 2364 wrote to memory of 1528	2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe	29
PID 2364 wrote to memory of 1528	2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe	29
PID 2364 wrote to memory of 1528	2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe	29
PID 2364 wrote to memory of 1528	2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe	29
PID 2364 wrote to memory of 1528	2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe	29
PID 2364 wrote to memory of 1528	2364	435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe	29

C:\Users\Admin\AppData\Local\Temp\435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe
"C:\Users\Admin\AppData\Local\Temp\435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe
  "C:\Users\Admin\AppData\Local\Temp\435424456ff6964a551a626db39ad606b58644f6ae9189e1e590aec8d645c397.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1528

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/1528-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1528-15-0x0000000000A50000-0x0000000000D53000-memory.dmp

Filesize
3.0MB

Download
memory/1528-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1528-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1528-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2364-3-0x0000000000420000-0x0000000000438000-memory.dmp

Filesize
96KB

Download
memory/2364-6-0x0000000005410000-0x0000000005486000-memory.dmp

Filesize
472KB

Download
memory/2364-5-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2364-4-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2364-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2364-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2364-14-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/2364-1-0x0000000000810000-0x00000000008C0000-memory.dmp

Filesize
704KB

Download

Analysis

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