608b7ac08ccd11fea8522ad35b389f4a5638597053259bf29af40a14da2c82f5

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 11:49

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General

Target

8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe
Size

51KB
MD5

8a3fa1ec7499b82f97794537d60df423
SHA1

bab01f2fb22ade6840d4eca0dba382b65f6fc92a
SHA256

608b7ac08ccd11fea8522ad35b389f4a5638597053259bf29af40a14da2c82f5
SHA512

6780c6ce88abd4bf91814ec80a67c2c2cbe25fb8666cf1a74c1610005a152570def959b45b9ab3407d21c0d7abd57ea957d75fee8cec826966ab13872aaccd33
SSDEEP

1536:KLXB65939tY6HBg4sXJFW9jkvs1eP/w4M:KLk395hYXJFSjMP/wX

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2384	Au_.exe

Loads dropped DLL 7 IoCs

pid	Process
1992	8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe
2384	Au_.exe
2384	Au_.exe
2384	Au_.exe
2384	Au_.exe
2384	Au_.exe
2384	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	8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral1/files/0x0008000000016148-2.dat	nsis_installer_1
behavioral1/files/0x0008000000016148-2.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2384	Au_.exe
2384	Au_.exe
2384	Au_.exe
2384	Au_.exe
2384	Au_.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2384	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2384	1992	8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2384	1992	8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2384	1992	8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2384	1992	8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2384	1992	8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2384	1992	8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2384	1992	8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8a3fa1ec7499b82f97794537d60df423_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2384

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

\Users\Admin\AppData\Local\Temp\nso82E7.tmp\KillProcDLL.dll

Filesize
32KB

MD5
83142eac84475f4ca889c73f10d9c179

SHA1
dbe43c0de8ef881466bd74861b2e5b17598b5ce8

SHA256
ae2f1658656e554f37e6eac896475a3862841a18ffc6fad2754e2d3525770729

SHA512
1c66eab21f0c9e0b99ecc3844516a6978f52e0c7f489405a427532ecbe78947c37dac5b4c8b722cc8bc1edfb74ba4824519d56099e587e754e5c668701e83bd1

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

Filesize
51KB

MD5
8a3fa1ec7499b82f97794537d60df423

SHA1
bab01f2fb22ade6840d4eca0dba382b65f6fc92a

SHA256
608b7ac08ccd11fea8522ad35b389f4a5638597053259bf29af40a14da2c82f5

SHA512
6780c6ce88abd4bf91814ec80a67c2c2cbe25fb8666cf1a74c1610005a152570def959b45b9ab3407d21c0d7abd57ea957d75fee8cec826966ab13872aaccd33

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