9dcc63844be0e17e07abfdd5db3f2b9a79582096d6bf6e5b621e9d98ac6bb8ff

Analysis

max time kernel
93s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 11:32

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General

Target

39c854c4e303c074da33163ce8bab4c9_JaffaCakes118.exe
Size

107KB
MD5

39c854c4e303c074da33163ce8bab4c9
SHA1

a55238c85307eb6d9e3ef94a3cc18645add4380f
SHA256

9dcc63844be0e17e07abfdd5db3f2b9a79582096d6bf6e5b621e9d98ac6bb8ff
SHA512

de2ab7b5b73a075076cbdab15f7194c780b1b705afd8e154ca4600a48c5dcfd996fcc2674f1779f94df7a0e4905f20df34639144af1d8e1c998745bdb634290f
SSDEEP

3072:MgXdZt9P6D3XJs7Xiu76SB+ZP55fnPcHI1QHSnja05Ke:Me3467Xiu75+ZPPfnE2Qyn20Ue

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2876	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	39c854c4e303c074da33163ce8bab4c9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x0008000000023c8a-3.dat	nsis_installer_1
behavioral2/files/0x0008000000023c8a-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 2876	1788	39c854c4e303c074da33163ce8bab4c9_JaffaCakes118.exe	84
PID 1788 wrote to memory of 2876	1788	39c854c4e303c074da33163ce8bab4c9_JaffaCakes118.exe	84
PID 1788 wrote to memory of 2876	1788	39c854c4e303c074da33163ce8bab4c9_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\39c854c4e303c074da33163ce8bab4c9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\39c854c4e303c074da33163ce8bab4c9_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788
- 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:2876

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\~nsu.tmp\Au_.exe

Filesize
107KB

MD5
39c854c4e303c074da33163ce8bab4c9

SHA1
a55238c85307eb6d9e3ef94a3cc18645add4380f

SHA256
9dcc63844be0e17e07abfdd5db3f2b9a79582096d6bf6e5b621e9d98ac6bb8ff

SHA512
de2ab7b5b73a075076cbdab15f7194c780b1b705afd8e154ca4600a48c5dcfd996fcc2674f1779f94df7a0e4905f20df34639144af1d8e1c998745bdb634290f

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