e81b289efc7f6175f39edfd7cef01058726eeffa7cd7e46535e87d7e5b13eb49

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 10:59

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General

Target

39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe
Size

376KB
MD5

39a60fdaf782a269b84849ecc4e2d9a8
SHA1

88e1464f27a972130f3dda54ab1c3fee441d4499
SHA256

e81b289efc7f6175f39edfd7cef01058726eeffa7cd7e46535e87d7e5b13eb49
SHA512

4ea713e697b818f9c4dbd3a1cc781c718ccdfa936dbb52a40a3b9922d763fd798bc30077b858ba8bf3e6f66b8e73935c1df374bc92ac62c1226a4cdafe86feb3
SSDEEP

6144:RvbA3ECDDw4uA5J0/RjOGBPVyHYNC+BsiiJXjYd3cCIrIH+QRYcm0K:RTA1uA5IRqaVQghiJXjMBIrAGh0

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2308	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2888	nyxiu.exe

Loads dropped DLL 3 IoCs

pid	Process
2308	cmd.exe
2308	cmd.exe
2888	nyxiu.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 5 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	39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nyxiu.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2308	cmd.exe
2444	PING.EXE

Kills process with taskkill 1 IoCs

evasion

pid	Process
2292	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2444	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2292	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe
2888	nyxiu.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2308	2596	39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe	31
PID 2596 wrote to memory of 2308	2596	39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe	31
PID 2596 wrote to memory of 2308	2596	39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe	31
PID 2596 wrote to memory of 2308	2596	39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe	31
PID 2308 wrote to memory of 2292	2308	cmd.exe	33
PID 2308 wrote to memory of 2292	2308	cmd.exe	33
PID 2308 wrote to memory of 2292	2308	cmd.exe	33
PID 2308 wrote to memory of 2292	2308	cmd.exe	33
PID 2308 wrote to memory of 2444	2308	cmd.exe	35
PID 2308 wrote to memory of 2444	2308	cmd.exe	35
PID 2308 wrote to memory of 2444	2308	cmd.exe	35
PID 2308 wrote to memory of 2444	2308	cmd.exe	35
PID 2308 wrote to memory of 2888	2308	cmd.exe	36
PID 2308 wrote to memory of 2888	2308	cmd.exe	36
PID 2308 wrote to memory of 2888	2308	cmd.exe	36
PID 2308 wrote to memory of 2888	2308	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2596 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\39a60fdaf782a269b84849ecc4e2d9a8_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\nyxiu.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2596
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2292
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2444
- - C:\Users\Admin\AppData\Local\nyxiu.exe
    C:\Users\Admin\AppData\Local\nyxiu.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\nyxiu.exe

Filesize
376KB

MD5
39a60fdaf782a269b84849ecc4e2d9a8

SHA1
88e1464f27a972130f3dda54ab1c3fee441d4499

SHA256
e81b289efc7f6175f39edfd7cef01058726eeffa7cd7e46535e87d7e5b13eb49

SHA512
4ea713e697b818f9c4dbd3a1cc781c718ccdfa936dbb52a40a3b9922d763fd798bc30077b858ba8bf3e6f66b8e73935c1df374bc92ac62c1226a4cdafe86feb3

Download Submit
memory/2596-0-0x00000000002C0000-0x00000000002C3000-memory.dmp

Filesize
12KB

Download
memory/2596-2-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2596-1-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2596-4-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-13-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-11-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-10-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-9-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-14-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-15-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-16-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-17-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-18-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-19-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-20-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download
memory/2888-21-0x0000000001000000-0x00000000010E2000-memory.dmp

Filesize
904KB

Download