1d677dcfd9331ff66227138ef4441c762b1335a72d29d99d3f8925dbd046cde4

Analysis

max time kernel
126s
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
06/09/2024, 16:32

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General

Target

cff85a4900a440155368609d0e2ab537_JaffaCakes118.exe
Size

627KB
MD5

cff85a4900a440155368609d0e2ab537
SHA1

0bf581fba0307d8001e9f88b29b0e4e43794de45
SHA256

1d677dcfd9331ff66227138ef4441c762b1335a72d29d99d3f8925dbd046cde4
SHA512

44d40ac38df92ca8e84aa45a4451655db0ce184873fc1f11b69b5bf675cdf903778680debb8cd8dd442ba51da0a9ccb3cf023e3c8d0e1aef60e1f6fe4dfc8a46
SSDEEP

12288:KipWZJxL/OtSQUAi8H9ZG9uI6wSxEHU7JLo0x:u2SQUAi8H9waEUJLZ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3944	Au_.exe

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 2 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	cff85a4900a440155368609d0e2ab537_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x0007000000023631-4.dat	nsis_installer_1
behavioral2/files/0x0007000000023631-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 3944	4500	cff85a4900a440155368609d0e2ab537_JaffaCakes118.exe	90
PID 4500 wrote to memory of 3944	4500	cff85a4900a440155368609d0e2ab537_JaffaCakes118.exe	90
PID 4500 wrote to memory of 3944	4500	cff85a4900a440155368609d0e2ab537_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\cff85a4900a440155368609d0e2ab537_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cff85a4900a440155368609d0e2ab537_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4500
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3944

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=4400,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4164 /prefetch:8
1⤵
PID:1604

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
627KB

MD5
cff85a4900a440155368609d0e2ab537

SHA1
0bf581fba0307d8001e9f88b29b0e4e43794de45

SHA256
1d677dcfd9331ff66227138ef4441c762b1335a72d29d99d3f8925dbd046cde4

SHA512
44d40ac38df92ca8e84aa45a4451655db0ce184873fc1f11b69b5bf675cdf903778680debb8cd8dd442ba51da0a9ccb3cf023e3c8d0e1aef60e1f6fe4dfc8a46

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