41e9415768736656a837f26e711f51ec9d38805e03c84a272c528ad65939a4e1

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 01:47

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General

Target

b5e1a2ed0c8a88e98d74ee02ee2fa7e6_JaffaCakes118.exe
Size

82KB
MD5

b5e1a2ed0c8a88e98d74ee02ee2fa7e6
SHA1

d71a94acd978b97e7d91c3d4f366d59be9a60624
SHA256

41e9415768736656a837f26e711f51ec9d38805e03c84a272c528ad65939a4e1
SHA512

42486c134c056aa89366d9acda51cf5907d3b734ef4a1e6b67aade1c766f263d968d81156fd2c4ea9a9cb02f184d24c3551f9ad2a399b361db0bda6c6dc9df95
SSDEEP

1536:XEkjY1zy214Qay0DGkJ7qAELVigJ4PcpGdxYlcDRCqp2/DRIA:0kjAJ4dDGkJ+AI0qRcDRCh/CA

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3988	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
3988	Au_.exe
3988	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	b5e1a2ed0c8a88e98d74ee02ee2fa7e6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral2/files/0x000800000002344e-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 3988	2280	b5e1a2ed0c8a88e98d74ee02ee2fa7e6_JaffaCakes118.exe	84
PID 2280 wrote to memory of 3988	2280	b5e1a2ed0c8a88e98d74ee02ee2fa7e6_JaffaCakes118.exe	84
PID 2280 wrote to memory of 3988	2280	b5e1a2ed0c8a88e98d74ee02ee2fa7e6_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b5e1a2ed0c8a88e98d74ee02ee2fa7e6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b5e1a2ed0c8a88e98d74ee02ee2fa7e6_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- 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
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3988

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\nsl7C74.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl7C74.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl7C74.tmp\ioSpecial.ini

Filesize
607B

MD5
25fd7ef327a7ce6c5055838be67a4335

SHA1
936595a2f812ca5f7ed9bae2396d16ed7b3adb57

SHA256
0731f3581a0deb48237ed9a38cd34a38f202aebe5a9b30c2410798d4a1945113

SHA512
9b67ae3b150fdf57b394439267707dcbcc77e3f907e6836bdb2b1c6a3bfb1b6001ab4b69f4f68336b99c31ccb1912a51b56592a0cb00f70f5900caa1d708947b

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

Filesize
82KB

MD5
b5e1a2ed0c8a88e98d74ee02ee2fa7e6

SHA1
d71a94acd978b97e7d91c3d4f366d59be9a60624

SHA256
41e9415768736656a837f26e711f51ec9d38805e03c84a272c528ad65939a4e1

SHA512
42486c134c056aa89366d9acda51cf5907d3b734ef4a1e6b67aade1c766f263d968d81156fd2c4ea9a9cb02f184d24c3551f9ad2a399b361db0bda6c6dc9df95

Download Submit