formbook | a2fe38f4db69af965d119f88994d02f96a3e8bd46a18de8ee7bc67369ace48eb

Resubmissions

03/10/2024, 00:15

241003-aj61lsyakc 10

03/10/2024, 00:03

241003-ab54catfqk 10

Analysis

max time kernel
131s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 00:03

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General

Target

0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe
Size

797KB
MD5

0d033a274941308ccc748e7f2ed7c88c
SHA1

7a165113237c3ca1d3286b18b4cf9b52a8aef149
SHA256

a2fe38f4db69af965d119f88994d02f96a3e8bd46a18de8ee7bc67369ace48eb
SHA512

315121092a8f503deba8b9fb29022973275a102cefef1a323e0e0f0a858e75bd705140a7365b4b371e4155f0562b9b4a9d3904ee40b15dae5212b737326a1574
SSDEEP

12288:M7eySa2hjw/CLyOLn8dag7OsPauFCc2EQlhOU:jpwKLyOAdNv2HB

Score

10^/10

formbook g1 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

Decoy

careheartcoordination.net

beatu.info

tampaperiodontics.net

skimountainlodging.com

bareitmarketing.com

lol-mail.com

0fax.net

bigtraffic4upgrade.review

americanphysicianservices.com

mecasignal.com

healthcaremanagementsalary.com

frimail.net

wwwylh04.com

sexwithnosex.com

gofundmehomes.info

bggck.info

solutions4appstore.com

lesbbmajeurs.com

yunihealth.com

amritayoga-shonan.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/3696-6-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1192 set thread context of 3696	1192	0d033a274941308ccc748e7f2ed7c88c_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	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3696	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe
3696	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1192	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 3696	1192	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe	89
PID 1192 wrote to memory of 3696	1192	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe	89
PID 1192 wrote to memory of 3696	1192	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe	89
PID 1192 wrote to memory of 3696	1192	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe	89
PID 1192 wrote to memory of 3696	1192	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe	89
PID 1192 wrote to memory of 3696	1192	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe	89
PID 1192 wrote to memory of 3696	1192	0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0d033a274941308ccc748e7f2ed7c88c_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3696

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=1420,i,11708048364682646792,608099842549576907,262144 --variations-seed-version --mojo-platform-channel-handle=1020 /prefetch:8
1⤵
PID:1408

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/1192-3-0x00000000776A1000-0x00000000777C1000-memory.dmp

Filesize
1.1MB

Download
memory/3696-6-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download