formbook | dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d

General

Target

dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe
Size

592KB
MD5

a796e201c6de52790bf473c385efb84d
SHA1

5eea79136a8a337ab43a88d21e55f92b2db74718
SHA256

dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d
SHA512

74a979c90fe4d650f89b379fdb18a7e8003d8bc6b22bf3d36de4b57a6d6c7488eb85b476243550d4360e22886741332c2462b99bdf50a00040a048094fd4d89a
SSDEEP

12288:S1xTx3j5DTx7EXuE331INsSB9HsP5A0cClmkDt1pDttlp9i72l:qHFkuK32ftW5A0cEm0ZFkE

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
behavioral2/memory/4240-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1520 set thread context of 4240	1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe	101

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	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe
1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe
1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe
4240	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe
4240	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe
4240	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 4240	1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe	101
PID 1520 wrote to memory of 4240	1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe	101
PID 1520 wrote to memory of 4240	1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe	101
PID 1520 wrote to memory of 4240	1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe	101
PID 1520 wrote to memory of 4240	1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe	101
PID 1520 wrote to memory of 4240	1520	dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe	101

C:\Users\Admin\AppData\Local\Temp\dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe
"C:\Users\Admin\AppData\Local\Temp\dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe
  "C:\Users\Admin\AppData\Local\Temp\dc7ebbb50daeb8d518dc37a89775ffd1062b0b40014afa69ff2195370fb2f30d.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4240

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=4108,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4020 /prefetch:8
1⤵
PID:2092

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/1520-6-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/1520-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/1520-2-0x0000000005140000-0x00000000056E4000-memory.dmp

Filesize
5.6MB

Download
memory/1520-3-0x0000000004B90000-0x0000000004C22000-memory.dmp

Filesize
584KB

Download
memory/1520-4-0x0000000004B10000-0x0000000004B1A000-memory.dmp

Filesize
40KB

Download
memory/1520-5-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1520-1-0x0000000000080000-0x000000000011A000-memory.dmp

Filesize
616KB

Download
memory/1520-7-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/1520-10-0x0000000009A60000-0x0000000009AFC000-memory.dmp

Filesize
624KB

Download
memory/1520-9-0x0000000005FC0000-0x0000000006036000-memory.dmp

Filesize
472KB

Download
memory/1520-8-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1520-13-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/4240-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4240-14-0x0000000001950000-0x0000000001C9A000-memory.dmp

Filesize
3.3MB

Download

Analysis

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