formbook | a55d1c36f3d5ba85a951e75b6a5de7a350d133ad49a44ddce349d5d181e64ae8

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 18:38

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General

Target

CopyMX2N79.exe
Size

695KB
MD5

c02762dd741807fe5db17e96c29448a1
SHA1

0b1c135bc1c956c05b3962be6ec79cb44e29ba1d
SHA256

02296010035b93a3435b5b06a9af1f2715310bcf370918cd80114b18fae780b6
SHA512

82d469577a2c30554d1b083b5ae214cd3c4737ef7555922b5b6666232d2aa26236a499c257370e5b20e82e0fb213968d90b383b7688affa413d255c3a42c327f
SSDEEP

12288:ORZAplT4AWrNlqpANwJy1nfqzhd/sPxd++rOb:UAzT4AWrbqpAx8gLRrOb

Score

10^/10

formbook 3iw discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.0

Campaign

3iw

Decoy

cepbank-direkt.com

lieoga.com

officialbetterbeardclub.com

media0702.com

safariflorist.com

vipinternationalinc.com

bitechanalytics.com

employeewage.com

truckingtag.com

priyaladiestailor.com

highlanderpiping.com

enargiapetroleum.com

vermilionranch.com

focusopgeld.com

kalem-euy.net

disypen.com

fairpayva.com

davidguner.com

idreferensi.com

dytt889.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4452-11-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/4452-16-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4352 set thread context of 4452	4352	CopyMX2N79.exe	110
PID 4452 set thread context of 3540	4452	CopyMX2N79.exe	56
PID 2964 set thread context of 3540	2964	wlanext.exe	56

System Location Discovery: System Language Discovery 1 TTPs 3 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	CopyMX2N79.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4352	CopyMX2N79.exe
4352	CopyMX2N79.exe
4352	CopyMX2N79.exe
4352	CopyMX2N79.exe
4352	CopyMX2N79.exe
4352	CopyMX2N79.exe
4352	CopyMX2N79.exe
4452	CopyMX2N79.exe
4452	CopyMX2N79.exe
4452	CopyMX2N79.exe
4452	CopyMX2N79.exe
4452	CopyMX2N79.exe
4452	CopyMX2N79.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe
2964	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4452	CopyMX2N79.exe
4452	CopyMX2N79.exe
4452	CopyMX2N79.exe
2964	wlanext.exe
2964	wlanext.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4352	CopyMX2N79.exe
Token: SeDebugPrivilege	4452	CopyMX2N79.exe
Token: SeDebugPrivilege	2964	wlanext.exe
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3540	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 4368	4352	CopyMX2N79.exe	109
PID 4352 wrote to memory of 4368	4352	CopyMX2N79.exe	109
PID 4352 wrote to memory of 4368	4352	CopyMX2N79.exe	109
PID 4352 wrote to memory of 4452	4352	CopyMX2N79.exe	110
PID 4352 wrote to memory of 4452	4352	CopyMX2N79.exe	110
PID 4352 wrote to memory of 4452	4352	CopyMX2N79.exe	110
PID 4352 wrote to memory of 4452	4352	CopyMX2N79.exe	110
PID 4352 wrote to memory of 4452	4352	CopyMX2N79.exe	110
PID 4352 wrote to memory of 4452	4352	CopyMX2N79.exe	110
PID 3540 wrote to memory of 2964	3540	Explorer.EXE	111
PID 3540 wrote to memory of 2964	3540	Explorer.EXE	111
PID 3540 wrote to memory of 2964	3540	Explorer.EXE	111
PID 2964 wrote to memory of 1300	2964	wlanext.exe	112
PID 2964 wrote to memory of 1300	2964	wlanext.exe	112
PID 2964 wrote to memory of 1300	2964	wlanext.exe	112

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Users\Admin\AppData\Local\Temp\CopyMX2N79.exe
  "C:\Users\Admin\AppData\Local\Temp\CopyMX2N79.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4352
- - C:\Users\Admin\AppData\Local\Temp\CopyMX2N79.exe
    "{path}"
    3⤵
    PID:4368
- - C:\Users\Admin\AppData\Local\Temp\CopyMX2N79.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4452
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\CopyMX2N79.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1300

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=4440,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4380 /prefetch:8
1⤵
PID:4868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2964-21-0x0000000000C00000-0x0000000000C17000-memory.dmp

Filesize
92KB

Download
memory/2964-19-0x0000000000C00000-0x0000000000C17000-memory.dmp

Filesize
92KB

Download
memory/3540-18-0x00000000091E0000-0x000000000936E000-memory.dmp

Filesize
1.6MB

Download
memory/3540-29-0x00000000032B0000-0x0000000003353000-memory.dmp

Filesize
652KB

Download
memory/3540-27-0x00000000032B0000-0x0000000003353000-memory.dmp

Filesize
652KB

Download
memory/3540-26-0x00000000032B0000-0x0000000003353000-memory.dmp

Filesize
652KB

Download
memory/3540-22-0x00000000091E0000-0x000000000936E000-memory.dmp

Filesize
1.6MB

Download
memory/4352-10-0x000000000B6D0000-0x000000000B76C000-memory.dmp

Filesize
624KB

Download
memory/4352-4-0x0000000004FB0000-0x0000000005042000-memory.dmp

Filesize
584KB

Download
memory/4352-9-0x00000000082E0000-0x000000000832E000-memory.dmp

Filesize
312KB

Download
memory/4352-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/4352-8-0x0000000005C50000-0x0000000005CB4000-memory.dmp

Filesize
400KB

Download
memory/4352-13-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4352-1-0x00000000000D0000-0x0000000000184000-memory.dmp

Filesize
720KB

Download
memory/4352-2-0x0000000005200000-0x00000000057A4000-memory.dmp

Filesize
5.6MB

Download
memory/4352-3-0x0000000004C50000-0x0000000004FA4000-memory.dmp

Filesize
3.3MB

Download
memory/4352-7-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4352-6-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/4352-5-0x0000000004B10000-0x0000000004B22000-memory.dmp

Filesize
72KB

Download
memory/4452-11-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4452-16-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4452-17-0x00000000013E0000-0x00000000013F4000-memory.dmp

Filesize
80KB

Download
memory/4452-14-0x0000000001860000-0x0000000001BAA000-memory.dmp

Filesize
3.3MB

Download