formbook | 42f46f9dccecd88e438399b21d2e65df9168e5e09106ba44c1f745053ec1005e

General

Target

8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe
Size

576KB
MD5

fb90829fafd93c8e83d7c3dc8f6af02d
SHA1

9332b9db7a6f13dec5028745d7411d04e8b31646
SHA256

8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf
SHA512

745a802ed92132073fb1594ae3cd4eee6b79e5672151453450c68866043cdf4bc9fb5634b152394678e439df041142f4f8f580b9b1e95c2585147ba365654d6c
SSDEEP

12288:CfoRkwemDzWLTXs5IruyES0AryyvhJfzt804zTnoilRMRFmM2mxQDhvx5VHVhJcb:CPqjW4dz32t52+2fvj6NBSi

Score

10^/10

formbook s2wt discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s2wt

Decoy

yukiyamaapperal.com

rumasultan.store

japaese.com

quangphatloi.com

148atk.xyz

myheatstore.online

theedeneconomy.com

5xssc1.icu

krakensistem.xyz

gwangyo.com

lj-safe-keepingkokoka6.xyz

naturetheaterofoklahoma.com

perayaanwisudaitb.com

hrbsxxf.com

allencountypallet.com

vizit-app.com

startstartnow.com

inviertechile.com

haysneedlepotracks.com

cfdbestbroker.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
behavioral2/memory/4144-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1592 set thread context of 4144	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe	109

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	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe
1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe
4144	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe
4144	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe
4144	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 3492	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe	108
PID 1592 wrote to memory of 3492	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe	108
PID 1592 wrote to memory of 3492	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe	108
PID 1592 wrote to memory of 4144	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe	109
PID 1592 wrote to memory of 4144	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe	109
PID 1592 wrote to memory of 4144	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe	109
PID 1592 wrote to memory of 4144	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe	109
PID 1592 wrote to memory of 4144	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe	109
PID 1592 wrote to memory of 4144	1592	8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe	109

C:\Users\Admin\AppData\Local\Temp\8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe
"C:\Users\Admin\AppData\Local\Temp\8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Users\Admin\AppData\Local\Temp\8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe
  "C:\Users\Admin\AppData\Local\Temp\8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe"
  2⤵
  PID:3492
- C:\Users\Admin\AppData\Local\Temp\8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe
  "C:\Users\Admin\AppData\Local\Temp\8195d90a65592855ca10dc169e75e02dd055f91462c9993d18c879ee8431cfbf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4144

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3036,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:8
1⤵
PID:2052

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

Loading Replay Monitor...

Downloads

memory/1592-6-0x0000000008480000-0x000000000848E000-memory.dmp

Filesize
56KB

Download
memory/1592-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/1592-2-0x00000000084C0000-0x0000000008A64000-memory.dmp

Filesize
5.6MB

Download
memory/1592-3-0x0000000007FB0000-0x0000000008042000-memory.dmp

Filesize
584KB

Download
memory/1592-4-0x00000000033A0000-0x00000000033AA000-memory.dmp

Filesize
40KB

Download
memory/1592-5-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1592-1-0x0000000000FE0000-0x0000000001076000-memory.dmp

Filesize
600KB

Download
memory/1592-7-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/1592-10-0x00000000095A0000-0x00000000095F8000-memory.dmp

Filesize
352KB

Download
memory/1592-9-0x0000000009450000-0x00000000094EC000-memory.dmp

Filesize
624KB

Download
memory/1592-8-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1592-14-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4144-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4144-13-0x00000000016E0000-0x0000000001A2A000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing