formbook | 38016d49c2c7455dc7bb9db0061872032c2041f7266801fadc404e7b0bf6c40e

General

Target

25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe
Size

460KB
MD5

4bc84a1a436c849698fd54c0f921c2a1
SHA1

c7c7cb7b33da65ffc53ff9351b56802cb1561560
SHA256

25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf
SHA512

c86ec6b9fef554818af6aacdc7df24bb7ad1813390f6e708c7b9cd385a274286419c3f738d55ef411a1be82cbf462e483525ef20e27a4b6b24ceb4fc99001f19
SSDEEP

12288:AUi2iNGOScG5vuP/0LdXxotCd76avsgLzK:AUi1AXHI/0v7/TLzK

Score

10^/10

formbook cnp0 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cnp0

Decoy

jiarenyuanhunlian.com

xquizitelashesnwaxx.com

rentinerie.com

herbalpedia-id.com

openseagames.com

re-swap.com

william-cook.com

segensv.com

versebay.com

brendanlairdsound.com

bypestor.com

hospitaldelpc.net

wwwroadrunnerfinancial.com

waterhammerstudios.com

hustleandbank.photography

secure01bchslogin.com

rarepeperanking.com

greatland.company

happybirthdayjewel.com

raheok.store

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
behavioral2/memory/1052-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1188 set thread context of 1052	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe	95

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	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe
1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe
1052	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe
1052	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 3924	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe	94
PID 1188 wrote to memory of 3924	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe	94
PID 1188 wrote to memory of 3924	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe	94
PID 1188 wrote to memory of 1052	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe	95
PID 1188 wrote to memory of 1052	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe	95
PID 1188 wrote to memory of 1052	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe	95
PID 1188 wrote to memory of 1052	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe	95
PID 1188 wrote to memory of 1052	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe	95
PID 1188 wrote to memory of 1052	1188	25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe	95

C:\Users\Admin\AppData\Local\Temp\25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe
"C:\Users\Admin\AppData\Local\Temp\25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe
  "C:\Users\Admin\AppData\Local\Temp\25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe"
  2⤵
  PID:3924
- C:\Users\Admin\AppData\Local\Temp\25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe
  "C:\Users\Admin\AppData\Local\Temp\25e5055023abbb8c18992618b6f04c94b8b13ff8bd33d4a4f8462d92902461bf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1052

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/1052-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1052-14-0x00000000019D0000-0x0000000001D1A000-memory.dmp

Filesize
3.3MB

Download
memory/1188-6-0x0000000005B20000-0x0000000005B2E000-memory.dmp

Filesize
56KB

Download
memory/1188-3-0x0000000005760000-0x00000000057F2000-memory.dmp

Filesize
584KB

Download
memory/1188-4-0x0000000005910000-0x000000000591A000-memory.dmp

Filesize
40KB

Download
memory/1188-5-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1188-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

Filesize
4KB

Download
memory/1188-7-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

Filesize
4KB

Download
memory/1188-8-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1188-9-0x0000000006570000-0x000000000660C000-memory.dmp

Filesize
624KB

Download
memory/1188-10-0x0000000006770000-0x00000000067C8000-memory.dmp

Filesize
352KB

Download
memory/1188-2-0x0000000005C20000-0x00000000061C4000-memory.dmp

Filesize
5.6MB

Download
memory/1188-13-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1188-1-0x0000000000E40000-0x0000000000EBA000-memory.dmp

Filesize
488KB

Download

Analysis

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