026c4feb9e9f682e27f8dff5e32b92f39cd176979bb1a3a2496670f1ab8392a8

Analysis

max time kernel
142s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 16:47

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General

Target

706b9c550c390847216e4cb2de4a9c13_JaffaCakes118.exe
Size

301KB
MD5

706b9c550c390847216e4cb2de4a9c13
SHA1

9384c4a53226efb6e2b764195b7ccd1623987404
SHA256

026c4feb9e9f682e27f8dff5e32b92f39cd176979bb1a3a2496670f1ab8392a8
SHA512

6e93bdf7f9b36d87d3b4d1a0378d99a602ea32c7020d0c53f99242c2188a83da9cd0f7213df15eb9f480eca5dba98bf8d52e6dfdc6686f50869262dde38099cf
SSDEEP

6144:qPUgsU5lYPKb/JVH8BYzJwZmLM9pO46OrB8boS:I/NfHbxqBemUypqOrB8boS

Score

8^/10

discovery

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\beep.sys	706b9c550c390847216e4cb2de4a9c13_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2904	userjiu.exe

Executes dropped EXE 1 IoCs

pid	Process
2904	userjiu.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\web\userjiu.exe	706b9c550c390847216e4cb2de4a9c13_JaffaCakes118.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	userjiu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	706b9c550c390847216e4cb2de4a9c13_JaffaCakes118.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
640	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	userjiu.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 3656	2904	userjiu.exe	88
PID 2904 wrote to memory of 3656	2904	userjiu.exe	88

C:\Users\Admin\AppData\Local\Temp\706b9c550c390847216e4cb2de4a9c13_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\706b9c550c390847216e4cb2de4a9c13_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5096

C:\Windows\web\userjiu.exe
C:\Windows\web\userjiu.exe
1⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" %1
  2⤵
  PID:3656

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

Replay Monitor

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Downloads

C:\Windows\Web\userjiu.exe

Filesize
301KB

MD5
706b9c550c390847216e4cb2de4a9c13

SHA1
9384c4a53226efb6e2b764195b7ccd1623987404

SHA256
026c4feb9e9f682e27f8dff5e32b92f39cd176979bb1a3a2496670f1ab8392a8

SHA512
6e93bdf7f9b36d87d3b4d1a0378d99a602ea32c7020d0c53f99242c2188a83da9cd0f7213df15eb9f480eca5dba98bf8d52e6dfdc6686f50869262dde38099cf

Download Submit
memory/2904-7-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2904-8-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/2904-10-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2904-12-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/2904-14-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2904-18-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2904-22-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/5096-0-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/5096-1-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download
memory/5096-9-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download