30d59469ff2b2525cedcf9ffe3c4948afa7ab2724d6201f6a746dd103b7e3def

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:33

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General

Target

81cd2a4f1d090b94b41fb36c727fa192_JaffaCakes118.exe
Size

48KB
MD5

81cd2a4f1d090b94b41fb36c727fa192
SHA1

b38f5e070094c4320f1e1e8c5295afa663f0d0d6
SHA256

30d59469ff2b2525cedcf9ffe3c4948afa7ab2724d6201f6a746dd103b7e3def
SHA512

1b78c84db9e487c119d8adfa0a2d86a2e83aa642f0a6af8f393252cc203ecce554f4fff19ecd063316650c7d509a8511ea8528c979eef8d9785647dc2b0f8e0c
SSDEEP

1536:2pgpHzb9dZVX9fHMvG0D3XJ+BCQS1dHnydrHH:cgXdZt9P6D3XJ+BCQS11ydrn

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2612	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2612	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	81cd2a4f1d090b94b41fb36c727fa192_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x0008000000023367-3.dat	nsis_installer_1
behavioral2/files/0x0008000000023367-3.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2612	Au_.exe
2612	Au_.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 2612	748	81cd2a4f1d090b94b41fb36c727fa192_JaffaCakes118.exe	85
PID 748 wrote to memory of 2612	748	81cd2a4f1d090b94b41fb36c727fa192_JaffaCakes118.exe	85
PID 748 wrote to memory of 2612	748	81cd2a4f1d090b94b41fb36c727fa192_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\81cd2a4f1d090b94b41fb36c727fa192_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81cd2a4f1d090b94b41fb36c727fa192_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:748
- 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
  PID:2612

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\nsrBE7E.tmp\FindProcDLL.dll

Filesize
31KB

MD5
83cd62eab980e3d64c131799608c8371

SHA1
5b57a6842a154997e31fab573c5754b358f5dd1c

SHA256
a6122e80f1c51dc72770b4f56c7c482f7a9571143fbf83b19c4d141d0cb19294

SHA512
91cfbcc125600ec341f5571dcf1e4a814cf7673f82cf42f32155bd54791bbf32619f2bb14ae871d7996e9ddecdfcc5db40caa0979d6dfba3e73cfe8e69c163c9

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

Filesize
48KB

MD5
81cd2a4f1d090b94b41fb36c727fa192

SHA1
b38f5e070094c4320f1e1e8c5295afa663f0d0d6

SHA256
30d59469ff2b2525cedcf9ffe3c4948afa7ab2724d6201f6a746dd103b7e3def

SHA512
1b78c84db9e487c119d8adfa0a2d86a2e83aa642f0a6af8f393252cc203ecce554f4fff19ecd063316650c7d509a8511ea8528c979eef8d9785647dc2b0f8e0c

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