formbook | 9c36e836116772df22669a1d5e2af11e49cd8425e730b457f5d6979ca6d00dae

Analysis

max time kernel
16s
max time network
18s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 02:46

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General

Target

98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe
Size

257KB
MD5

98a4496b6ba500b3bf0a4df0dc48f79c
SHA1

cd91a828fec3d162ab64e6720c67187c2345f238
SHA256

9c36e836116772df22669a1d5e2af11e49cd8425e730b457f5d6979ca6d00dae
SHA512

c20838dc9802509bda3d0c065be66a82d1180901fa4724065988d891eabc86dcf2ad75e9de68c38d4631959088ac8566f72e6bf28a95e5b39d521569b2e05d9e
SSDEEP

6144:F8LxBsijXd92QqOH+0RpV+4rrz/xXajfw3:/EDtH7p/rrz/xXEw3

Score

10^/10

formbook bkye discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bkye

Decoy

lawnandgardenzone.com

eazymoneyindia.com

macroscopicsystem.com

aocsw.com

maisonetjardinltd.com

khadijahtv.com

shashameneland.com

kildebasen.com

lovetxts.com

easycompanyarmory.com

surviveit.info

greenterra.solutions

ushergiving.com

stickyickybakery.com

pyesquard.com

dailyinformerblog.com

thekimchilife.com

rainbow-bm.com

bosonetwork.com

bestacnetreatmentever.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
behavioral1/memory/1920-9-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

pid	Process
2456	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2456 set thread context of 1920	2456	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe	29

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	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1920	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 1920	2456	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe	29
PID 2456 wrote to memory of 1920	2456	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe	29
PID 2456 wrote to memory of 1920	2456	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe	29
PID 2456 wrote to memory of 1920	2456	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe	29
PID 2456 wrote to memory of 1920	2456	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe	29
PID 2456 wrote to memory of 1920	2456	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe	29
PID 2456 wrote to memory of 1920	2456	98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Users\Admin\AppData\Local\Temp\98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\98a4496b6ba500b3bf0a4df0dc48f79c_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1920

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\nspDDE2.tmp\iewybf.dll

Filesize
29KB

MD5
4256ddc7ba4f2ab39fb28f081e870cfa

SHA1
8c1f0f6e94b68510bbffbf81143c5f26ebd913b6

SHA256
d519f718eca42250c87657b679a8a9d1766d331e6ee242d18bd739998bf44350

SHA512
a71ac74ad9d95c6b755858b0a75beaa3ec26e20eca252445a2d1541156d96bd39e39c30daa5eda28bafe8de2e2d67c2c70b25dce6b7f38f4ac0a0dfa60599c1a

Download Submit
memory/1920-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2456-7-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/2456-10-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download