71bf8adec5b44ac69e9ff8239c8dafa5a806e429470e2f9e6b6d7fbac3395868

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 10:24

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General

Target

c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe
Size

450KB
MD5

c8a3ba53b30bfedc01fe5c60446a0c86
SHA1

b4f080fab717f2aa227fdf4445e09f5fe6875507
SHA256

71bf8adec5b44ac69e9ff8239c8dafa5a806e429470e2f9e6b6d7fbac3395868
SHA512

d69a04e01548b909d1978144b9bd113eaf16250e61ceabeb8e28b2460b033305a50dd2a080fd25ae9c3833111312e31d27761fae9c3e861c4703562fd00e6843
SSDEEP

6144:YlZ/zUMu4pDSxsCMRzf7x3SfS1JAzXBtL76lQsr85hGyH1YYp8QdhSd+3+40:YHLUMuiv9RgfSjAzRtyQpnHDyn

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	lsssass.exe

Executes dropped EXE 2 IoCs

pid	Process
3404	lsssass.exe
4136	lsssass.exe

UPX packed file 13 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2248-0-0x0000000000400000-0x00000000004DA000-memory.dmp	upx
behavioral2/memory/1180-1-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/1180-3-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/2248-4-0x0000000000400000-0x00000000004DA000-memory.dmp	upx
behavioral2/memory/1180-6-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/files/0x0007000000023407-12.dat	upx
behavioral2/memory/3404-20-0x0000000000400000-0x00000000004DA000-memory.dmp	upx
behavioral2/memory/1180-24-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/4136-33-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/4136-35-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/4136-58-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/4136-113-0x0000000000400000-0x000000000043A000-memory.dmp	upx
behavioral2/memory/4136-178-0x0000000000400000-0x000000000043A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsssass = "C:\\Users\\Admin\\AppData\\Roaming\\Dir\\lsssass.exe"	lsssass.exe

Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2248-4-0x0000000000400000-0x00000000004DA000-memory.dmp	autoit_exe
behavioral2/memory/3404-20-0x0000000000400000-0x00000000004DA000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 1180	2248	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	84
PID 3404 set thread context of 4136	3404	lsssass.exe	89

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 8 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	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsssass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsssass.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1180	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe
1180	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe
4136	lsssass.exe
4136	lsssass.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1180	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe
1180	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe
4136	lsssass.exe
4136	lsssass.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 1180	2248	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	84
PID 2248 wrote to memory of 1180	2248	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	84
PID 2248 wrote to memory of 1180	2248	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	84
PID 2248 wrote to memory of 1180	2248	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	84
PID 2248 wrote to memory of 1180	2248	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	84
PID 2248 wrote to memory of 1180	2248	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	84
PID 1180 wrote to memory of 1740	1180	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	86
PID 1180 wrote to memory of 1740	1180	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	86
PID 1180 wrote to memory of 1740	1180	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	86
PID 1180 wrote to memory of 3404	1180	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	88
PID 1180 wrote to memory of 3404	1180	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	88
PID 1180 wrote to memory of 3404	1180	c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe	88
PID 3404 wrote to memory of 4136	3404	lsssass.exe	89
PID 3404 wrote to memory of 4136	3404	lsssass.exe	89
PID 3404 wrote to memory of 4136	3404	lsssass.exe	89
PID 3404 wrote to memory of 4136	3404	lsssass.exe	89
PID 3404 wrote to memory of 4136	3404	lsssass.exe	89
PID 3404 wrote to memory of 4136	3404	lsssass.exe	89
PID 1740 wrote to memory of 544	1740	net.exe	90
PID 1740 wrote to memory of 544	1740	net.exe	90
PID 1740 wrote to memory of 544	1740	net.exe	90
PID 4136 wrote to memory of 3104	4136	lsssass.exe	92
PID 4136 wrote to memory of 3104	4136	lsssass.exe	92
PID 4136 wrote to memory of 3104	4136	lsssass.exe	92
PID 3104 wrote to memory of 208	3104	net.exe	95
PID 3104 wrote to memory of 208	3104	net.exe	95
PID 3104 wrote to memory of 208	3104	net.exe	95

C:\Users\Admin\AppData\Local\Temp\c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c8a3ba53b30bfedc01fe5c60446a0c86_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1180
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\System32\net.exe" stop sharedaccess
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1740
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess
      4⤵
      System Location Discovery: System Language Discovery
      PID:544
- - C:\Users\Admin\AppData\Roaming\Dir\lsssass.exe
    C:\Users\Admin\AppData\Roaming\Dir\lsssass.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3404
  - - C:\Users\Admin\AppData\Roaming\Dir\lsssass.exe
      "C:\Users\Admin\AppData\Roaming\Dir\lsssass.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4136
    - - C:\Windows\SysWOW64\net.exe
        
        "C:\Windows\System32\net.exe" stop sharedaccess
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3104
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop sharedaccess
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Network Share Discovery

T1135

Query Registry

T1012

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:\Users\Admin\AppData\Roaming\Dir\Dated.dat

Filesize
4B

MD5
cb492b7df9b5c170d7c87527940eff3b

SHA1
66928e6cbb59c3a3bce606959ef4a865fe04e642

SHA256
dba5166ad9db9ba648c1032ebbd34dcd0d085b50023b839ef5c68ca1db93a563

SHA512
ce677db6ae33c5496874a2902d30d361f6cf12576e96bd8a9f6626a0ca29f0b4f97e403e54711d24ebf34d4e183235a8f9951345d32a20f2dad476d911ee7e06

Download Submit
C:\Users\Admin\AppData\Roaming\Dir\lsssass.exe

Filesize
450KB

MD5
c8a3ba53b30bfedc01fe5c60446a0c86

SHA1
b4f080fab717f2aa227fdf4445e09f5fe6875507

SHA256
71bf8adec5b44ac69e9ff8239c8dafa5a806e429470e2f9e6b6d7fbac3395868

SHA512
d69a04e01548b909d1978144b9bd113eaf16250e61ceabeb8e28b2460b033305a50dd2a080fd25ae9c3833111312e31d27761fae9c3e861c4703562fd00e6843

Download Submit
memory/1180-1-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1180-3-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1180-6-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1180-24-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2248-4-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/2248-0-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/3404-20-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/4136-33-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4136-35-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4136-58-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4136-113-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4136-178-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download