formbook | f972763991a3043f1e9cca9c8b0d368d6ff9628bbb21fbe4d7213ffd75a67494

Analysis

max time kernel
125s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 09:27

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General

Target

e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe
Size

724KB
MD5

e8cdc455c726afea65ab6a4b0b45d45c
SHA1

fdd9d44b3aea76ad42f64cab1f433f8daae99e0e
SHA256

f972763991a3043f1e9cca9c8b0d368d6ff9628bbb21fbe4d7213ffd75a67494
SHA512

6009df138097dda48489c15647cf834406cd15331720b52ef0787af191b36b95d42ecb06731a29add61a6c78d9bdb376b2b3ba91ba7d91d8741d2abd665b48af
SSDEEP

6144:wT0p9994cccccccmMI4LSMd1ZOOP9eT+R8a2sUrJLa5SvSWlTlOiIoJuZ2sWTjuQ:wwuMIyDzEOPUyCsR5SOAJhyJVLPQ

Score

10^/10

formbook pe discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

Decoy

blackcatproud.com

kddgu.info

jhholiday.com

woshunwang.com

qrvou.info

yinuojie.com

404arabs.com

diaojieorg.com

hsyfjj.com

medusabotanicals.com

ghay5c.com

wm785.com

bikeandart.com

ygyroadside.info

whitewings.biz

4pointpartnersbv.com

tukangsedotwc.net

democrataward.com

systemtraffic2updating.win

thevlu.com

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/4860-6-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3316 set thread context of 4860	3316	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe	89

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	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4860	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe
4860	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3316	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 4860	3316	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe	89
PID 3316 wrote to memory of 4860	3316	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe	89
PID 3316 wrote to memory of 4860	3316	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe	89
PID 3316 wrote to memory of 4860	3316	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe	89
PID 3316 wrote to memory of 4860	3316	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe	89
PID 3316 wrote to memory of 4860	3316	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe	89
PID 3316 wrote to memory of 4860	3316	e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3316
- C:\Users\Admin\AppData\Local\Temp\e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e8cdc455c726afea65ab6a4b0b45d45c_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4860

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=4288,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
1⤵
PID:4680

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/3316-3-0x0000000077201000-0x0000000077321000-memory.dmp

Filesize
1.1MB

Download
memory/4860-6-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

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