formbook | abb82e829e69a97f46c6a116d8c8996697508b9215bb3b2facac37156c4062d0

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
06-01-2025 07:56

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General

Target

JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe
Size

254KB
MD5

17a6f526b20aa11aa8685b79176a440f
SHA1

af265b6b633f1ae0d9e45b913649d4ea9ceb36f2
SHA256

abb82e829e69a97f46c6a116d8c8996697508b9215bb3b2facac37156c4062d0
SHA512

1ec0001680ca42e956a6dc4d051adeedd9ab07b8bea86674002dcc33f15d497eb7897194a2c5d9a456b72249a7ba3241660e8d6d6fbbbe53e77d4235bc1617af
SSDEEP

6144:wBlL/caJNKQfAY5g28QFjaHWXJ4a2cqaplKYHPlFbfUwndzE0Ml:CeavTIYtjaH9cqklvP/dzE0Ml

Score

10^/10

formbook s3dy discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s3dy

Decoy

ravlygte.info

marketnewsville.online

flooring-envy.com

flavourhouston.com

donghohanghieunam.com

globleitsolutions.com

digitalgraphicarts.com

cupidbeautybar.com

cannavybes.com

negative-dsp.com

littledali.com

meltwatersoftware.info

blackdogland.com

danasales.com

mississippiscorecard.com

mainesmoker.com

sirenxinlilzixun.com

tychehang.com

gentciu.com

weckloltd.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/2696-9-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

pid	Process
2920	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2920 set thread context of 2696	2920	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe	30

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 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	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2696	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2696	2920	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe	30
PID 2920 wrote to memory of 2696	2920	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe	30
PID 2920 wrote to memory of 2696	2920	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe	30
PID 2920 wrote to memory of 2696	2920	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe	30
PID 2920 wrote to memory of 2696	2920	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe	30
PID 2920 wrote to memory of 2696	2920	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe	30
PID 2920 wrote to memory of 2696	2920	JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17a6f526b20aa11aa8685b79176a440f.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2696

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsdA600.tmp\gtlbztpsztf.dll

Filesize
49KB

MD5
6432c43cc5cb60bb4a484470e8693ab3

SHA1
78f0e1e34dbee0fee48d70949ff07deef94215bc

SHA256
e21a1e1f87a1c05b1c97688f72fce20e5f1c42f8579b49d189b3e06f3be8a735

SHA512
760c3906675ca690b23e195a7b4c295289dc6242e096ca3140fc199e41474fff7df0500243bde937e4e5ab311d2c4969f02b8b3d87b97bd26d3c3feee5a5ef6e

Download Submit
memory/2696-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2920-8-0x000000007446C000-0x000000007446E000-memory.dmp

Filesize
8KB

Download