formbook | 88175c121428ca4a37fe15c06f7c452bdefb69341779396c1fffbc4899ab43fd

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 04:26

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General

Target

3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe
Size

895KB
MD5

875316b1de1ba195d5458546d9048c4c
SHA1

feee43c84bab766aa064693cd90bfdd3b1011033
SHA256

3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44
SHA512

092679de1c48abaa26460d2fad87fb6a2c2b49e87a4afa69954a115fab7ac5070bbbdbe6d105de9f30eb9a38298314ab9cab9ce75fade5ff12342664f2b60ad7
SSDEEP

12288:sNDc9F3nC0Py3gAhY+5K3/7KCvEst0GYBTKoyAZt8hMlU2kEBoZd6aSst3tr1/NK:sbMjKCnt0btKoX8hokwoTt7rXWF

Score

10^/10

formbook gz92 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gz92

Decoy

ayurvedichealthformulas.com

plazaconstrutora.com

nat-hetong.info

eapdigital.com

ibluebaytvwdshop.com

committable.com

escapesbyek.com

mywebdesigner.pro

jianianhong.com

benvenutoqui.com

beiyet.com

theartofgifs.com

mbwvyksnk.icu

nshahwelfare.com

hhhservice.com

thechaibali.com

travelscreen.expert

best123-movies.com

leiahin.com

runplay11.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/2820-12-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1636 set thread context of 2820	1636	3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe	31

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	3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2820	3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 2820	1636	3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe	31
PID 1636 wrote to memory of 2820	1636	3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe	31
PID 1636 wrote to memory of 2820	1636	3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe	31
PID 1636 wrote to memory of 2820	1636	3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe	31
PID 1636 wrote to memory of 2820	1636	3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe	31
PID 1636 wrote to memory of 2820	1636	3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe	31
PID 1636 wrote to memory of 2820	1636	3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe	31

C:\Users\Admin\AppData\Local\Temp\3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe
"C:\Users\Admin\AppData\Local\Temp\3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe
  "C:\Users\Admin\AppData\Local\Temp\3dccb81826e0a102df3972e8ef1e8c534b1b3afed98f5fbebd45beab9bfbaa44.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2820

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

Replay Monitor

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Downloads

memory/1636-6-0x0000000005590000-0x0000000005642000-memory.dmp

Filesize
712KB

Download
memory/1636-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1636-2-0x0000000000460000-0x0000000000478000-memory.dmp

Filesize
96KB

Download
memory/1636-3-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1636-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1636-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1636-1-0x0000000000BA0000-0x0000000000C86000-memory.dmp

Filesize
920KB

Download
memory/1636-7-0x0000000002150000-0x0000000002194000-memory.dmp

Filesize
272KB

Download
memory/1636-13-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2820-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2820-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2820-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2820-14-0x0000000000C90000-0x0000000000F93000-memory.dmp

Filesize
3.0MB

Download