formbook | af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1

General

Target

af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe
Size

571KB
MD5

312f45637432b1efec858ed32bdef462
SHA1

b23e75b94b84b31edaa0793b1228c444254effa2
SHA256

af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1
SHA512

ca43f80d928b567803aa1597469a5fcc8cae580aa1e8a4c26d6ed248eb8e2414b56c11a23452679d60888d5f31344a0eaa7284168c38b3676475235561de7ad3
SSDEEP

6144:ohYWUks3Gmjob1xiDu8lJ/NY9m6xYcqhB01kDryaKngqBi+/baDlXuS+hwtTuKS6:6cSxiDUQcqTKtBF/kN2mflW+X0cV

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/852-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2008 set thread context of 852	2008	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe	97

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	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2008	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe
2008	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe
852	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe
852	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2008	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 852	2008	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe	97
PID 2008 wrote to memory of 852	2008	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe	97
PID 2008 wrote to memory of 852	2008	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe	97
PID 2008 wrote to memory of 852	2008	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe	97
PID 2008 wrote to memory of 852	2008	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe	97
PID 2008 wrote to memory of 852	2008	af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe	97

C:\Users\Admin\AppData\Local\Temp\af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe
"C:\Users\Admin\AppData\Local\Temp\af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe
  "C:\Users\Admin\AppData\Local\Temp\af4f28ed9e5d8205220c60f42668e6576233f54885c63fcaf43c2315328f45f1.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:852

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=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8
1⤵
PID:3644

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/852-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/852-14-0x00000000010C0000-0x000000000140A000-memory.dmp

Filesize
3.3MB

Download
memory/2008-6-0x00000000054D0000-0x00000000054DE000-memory.dmp

Filesize
56KB

Download
memory/2008-3-0x0000000005140000-0x00000000051D2000-memory.dmp

Filesize
584KB

Download
memory/2008-4-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2008-5-0x00000000051F0000-0x00000000051FA000-memory.dmp

Filesize
40KB

Download
memory/2008-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/2008-7-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/2008-8-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2008-9-0x0000000007DE0000-0x0000000007E56000-memory.dmp

Filesize
472KB

Download
memory/2008-10-0x000000000A590000-0x000000000A62C000-memory.dmp

Filesize
624KB

Download
memory/2008-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

Filesize
5.6MB

Download
memory/2008-13-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2008-1-0x00000000007C0000-0x0000000000854000-memory.dmp

Filesize
592KB

Download

Analysis

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