formbook | 3e582ce44bc678515fe8999dd2d6baf83ad194b9d6f3ff059f47e0293fb57d6e

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 04:21

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General

Target

d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe
Size

1.0MB
MD5

31fc36dc329bcf9c029d7bb6b607fb3f
SHA1

fe6d078aee396f443ee11d3936c3a1c016bcb071
SHA256

d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b
SHA512

d80f7706d7644342c08d3f42f4fcab23d3d5b17f48ab40aebe4dee75cc915a64f5fe45c5d6b70a3ca20bfe3b2055b8fba05a94ea29bdcf08b4b2ccf70f9a2e21
SSDEEP

12288:vUEkc/3UT4OOtZ7+w17iRBXeFsk+rctCn9027wD0RpQMkVwN33LJ6BokRLgdF:vUY/vtN12fXm4rctcq8wnnKRJgW

Score

10^/10

formbook gnu6 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gnu6

Decoy

offersdelight.online

scmsyorketown.com

kgnuyzd.com

fhzs66618.com

akomachinery.xyz

couches-sofas-41944.com

johnsonne.online

yovxy.xyz

dubeffer.com

weddingangpow.com

metaversesocialslueth.com

chaoticbliss.info

jasmin310.xyz

678226.com

eepicc.com

remindtron.com

kusumaslot.info

xyy02.xyz

uvziup.com

sarasota4golf.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2636-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1044 set thread context of 2636	1044	d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe	30

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	d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2636	d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2636	1044	d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe	30
PID 1044 wrote to memory of 2636	1044	d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe	30
PID 1044 wrote to memory of 2636	1044	d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe	30
PID 1044 wrote to memory of 2636	1044	d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe	30
PID 1044 wrote to memory of 2636	1044	d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe	30
PID 1044 wrote to memory of 2636	1044	d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe	30
PID 1044 wrote to memory of 2636	1044	d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe	30

C:\Users\Admin\AppData\Local\Temp\d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe
"C:\Users\Admin\AppData\Local\Temp\d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Users\Admin\AppData\Local\Temp\d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe
  "C:\Users\Admin\AppData\Local\Temp\d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2636

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/1044-8-0x0000000005BB0000-0x0000000005C26000-memory.dmp

Filesize
472KB

Download
memory/1044-6-0x0000000000760000-0x000000000076C000-memory.dmp

Filesize
48KB

Download
memory/1044-2-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/1044-3-0x00000000005C0000-0x00000000005D2000-memory.dmp

Filesize
72KB

Download
memory/1044-0-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/1044-5-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/1044-1-0x0000000000EE0000-0x0000000000FEA000-memory.dmp

Filesize
1.0MB

Download
memory/1044-7-0x0000000007EB0000-0x0000000007F5E000-memory.dmp

Filesize
696KB

Download
memory/1044-4-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/1044-14-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2636-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2636-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2636-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2636-15-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download
memory/2636-16-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download