formbook | 36c2e9d3423587948ebc93899463684eb7de6a26a62f4e560211812253c72819

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 08:57

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General

Target

PRE ALERT 160-483389647002.exe
Size

1.0MB
MD5

7d3690538c648f6f0e5c0403deab233f
SHA1

35e06729a4982ef682a8f2b6b57b37adc1b7a376
SHA256

36c2e9d3423587948ebc93899463684eb7de6a26a62f4e560211812253c72819
SHA512

31585756e06c37139d188a96fa0b272e4a027c057ce9a55a592d852b8cfba809dfcc13c936dca595fce2a2d162c203f58a3b427a6616aec1f34a7faf032a95b1
SSDEEP

12288:ULkcoxg7v3qnC11ErwIhh0F4qwUgUny5QNroF4LELQ8UUEvdpeOmL0pBnLvG:KfmMv6Ckr7Mny5Qtn2punPg0pB7G

Score

10^/10

formbook e62s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e62s

Decoy

ellinksa.shop

uckyspinph.xyz

owdark.net

arriage-therapy-72241.bond

w7ijko4rv4p97b.top

heirbuzzwords.buzz

aspart.shop

ctivemail5-kagoya-com.info

shacertification9.shop

zitcd65k3.buzz

llkosoi.info

ru8.info

rhgtrdjdjykyetrdjftd.buzz

yschoollist.kiwi

oftfolio.online

rograma-de-almacen-2.online

oudoarms.top

mwquas.xyz

orjagaucha.website

nlinechat-mh.online

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/1892-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1892-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1892-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2532-17-0x0000000000460000-0x000000000048F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4136 set thread context of 1892	4136	PRE ALERT 160-483389647002.exe	86
PID 1892 set thread context of 3428	1892	svchost.exe	55
PID 1892 set thread context of 3428	1892	svchost.exe	55
PID 2532 set thread context of 3428	2532	svchost.exe	55

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	PRE ALERT 160-483389647002.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1892	svchost.exe
1892	svchost.exe
1892	svchost.exe
1892	svchost.exe
1892	svchost.exe
1892	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe
2532	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4136	PRE ALERT 160-483389647002.exe
1892	svchost.exe
1892	svchost.exe
1892	svchost.exe
1892	svchost.exe
2532	svchost.exe
2532	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	svchost.exe
Token: SeDebugPrivilege	2532	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3428	Explorer.EXE
3428	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3428	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4136 wrote to memory of 1892	4136	PRE ALERT 160-483389647002.exe	86
PID 4136 wrote to memory of 1892	4136	PRE ALERT 160-483389647002.exe	86
PID 4136 wrote to memory of 1892	4136	PRE ALERT 160-483389647002.exe	86
PID 4136 wrote to memory of 1892	4136	PRE ALERT 160-483389647002.exe	86
PID 3428 wrote to memory of 2532	3428	Explorer.EXE	94
PID 3428 wrote to memory of 2532	3428	Explorer.EXE	94
PID 3428 wrote to memory of 2532	3428	Explorer.EXE	94
PID 2532 wrote to memory of 4444	2532	svchost.exe	97
PID 2532 wrote to memory of 4444	2532	svchost.exe	97
PID 2532 wrote to memory of 4444	2532	svchost.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\PRE ALERT 160-483389647002.exe
  "C:\Users\Admin\AppData\Local\Temp\PRE ALERT 160-483389647002.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4136
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\PRE ALERT 160-483389647002.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1892
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2532
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1892-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1892-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1892-7-0x0000000001190000-0x00000000011A5000-memory.dmp

Filesize
84KB

Download
memory/1892-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1892-11-0x00000000032F0000-0x0000000003305000-memory.dmp

Filesize
84KB

Download
memory/1892-4-0x0000000001400000-0x000000000174A000-memory.dmp

Filesize
3.3MB

Download
memory/2532-17-0x0000000000460000-0x000000000048F000-memory.dmp

Filesize
188KB

Download
memory/2532-14-0x0000000000530000-0x000000000053E000-memory.dmp

Filesize
56KB

Download
memory/2532-16-0x0000000000530000-0x000000000053E000-memory.dmp

Filesize
56KB

Download
memory/3428-8-0x0000000008FD0000-0x0000000009117000-memory.dmp

Filesize
1.3MB

Download
memory/3428-12-0x000000000B1D0000-0x000000000B35F000-memory.dmp

Filesize
1.6MB

Download
memory/3428-13-0x0000000008FD0000-0x0000000009117000-memory.dmp

Filesize
1.3MB

Download
memory/3428-18-0x000000000B1D0000-0x000000000B35F000-memory.dmp

Filesize
1.6MB

Download
memory/3428-21-0x0000000009280000-0x00000000093C3000-memory.dmp

Filesize
1.3MB

Download
memory/3428-22-0x0000000009280000-0x00000000093C3000-memory.dmp

Filesize
1.3MB

Download
memory/3428-24-0x0000000009280000-0x00000000093C3000-memory.dmp

Filesize
1.3MB

Download
memory/4136-2-0x0000000003FB0000-0x00000000041B0000-memory.dmp

Filesize
2.0MB

Download