83300ba5355abdcaa2f3955b475a642d6599193e9b9dc2ee4963895f26e855c9

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2024 18:36

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General

Target

3e6e53f79e7fb37d02f26b2c21175acd_JaffaCakes118.dll
Size

60KB
MD5

3e6e53f79e7fb37d02f26b2c21175acd
SHA1

f0831bd5acd5052863b8bf4f08942936ade086bb
SHA256

83300ba5355abdcaa2f3955b475a642d6599193e9b9dc2ee4963895f26e855c9
SHA512

cd3e64136e2da2e58c8ceeed5e57f888665ed145f2712faf31beefacd70e5fc3c7ffddd3025b11da80707681d8c399ce1cc1defdfe9be8e8c8855e837d91b58f
SSDEEP

768:wBZX+Nzp4mjNx4Ds4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscY:wPdc1inuWdB9r8YXPJY2BmscY

Score

8^/10

persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000_Classes\Local Settings	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
4836	regedit.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3136	rundll32.exe
3136	rundll32.exe
3136	rundll32.exe
3136	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 3136	1924	rundll32.exe	83
PID 1924 wrote to memory of 3136	1924	rundll32.exe	83
PID 1924 wrote to memory of 3136	1924	rundll32.exe	83
PID 3136 wrote to memory of 1248	3136	rundll32.exe	85
PID 3136 wrote to memory of 1248	3136	rundll32.exe	85
PID 3136 wrote to memory of 1248	3136	rundll32.exe	85
PID 1248 wrote to memory of 4836	1248	cmd.exe	89
PID 1248 wrote to memory of 4836	1248	cmd.exe	89
PID 1248 wrote to memory of 4836	1248	cmd.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e6e53f79e7fb37d02f26b2c21175acd_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e6e53f79e7fb37d02f26b2c21175acd_JaffaCakes118.dll,#1
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3136
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
    3⤵
    - Checks computer location settings
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:1248
  - - C:\Windows\SysWOW64\regedit.exe
      "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
      4⤵
      Runs .reg file with regedit
      PID:4836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a.reg

Filesize
152B

MD5
b100f5324ef74ded0b998e64d07a2e19

SHA1
40b0d7f51bf2dd8451f1b723d21355c471a5fa46

SHA256
3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

SHA512
c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

Download Submit
memory/3136-0-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

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