b964784a350f7f07daa0e8ea12f1f361d7f10bf36ab52232c34c2dd86297e17a

Analysis

max time kernel
144s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2024 13:42

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General

Target

185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe
Size

1.3MB
MD5

185198a888f2556b1535a0076cbf67df
SHA1

7622352dd5c86ea18c622a6b950209088d295562
SHA256

b964784a350f7f07daa0e8ea12f1f361d7f10bf36ab52232c34c2dd86297e17a
SHA512

289fe8deadbd437db6094b196b37ef8e7c8fc58286120f3107dc2d9970ef591d66376e9225e6f9d08eab5a153247e652c513ce87375fc540d74abae142b85429
SSDEEP

3072:GwcClHImXEPAVSNhdsqf+wfzuO0ARvAZ:ffImXEPAsNz7ruOPO

Score

7^/10

discovery upx

Malware Config

Signatures

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe

Executes dropped EXE 5 IoCs

pid	Process
4844	winlogon.exe
3112	winlogon.exe
1288	winlogon.exe
3268	winlogon.exe
4604	winlogon.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 1684 set thread context of 4312	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	83
PID 4844 set thread context of 3112	4844	winlogon.exe	87
PID 3112 set thread context of 1288	3112	winlogon.exe	88
PID 3112 set thread context of 3268	3112	winlogon.exe	101
PID 3112 set thread context of 4604	3112	winlogon.exe	104

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4312-3-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/4312-0-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/4312-4-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/4312-5-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/4312-18-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/3112-25-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/3112-22-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/3112-30-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/3112-34-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/3112-39-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/3112-48-0x0000000000400000-0x0000000000419000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 3 IoCs

pid	pid_target	Process	procid_target
2688	1288	WerFault.exe	88
2744	3268	WerFault.exe	101
1108	4604	WerFault.exe	104

System Location Discovery: System Language Discovery 1 TTPs 4 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	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4312	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe
3112	winlogon.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1620	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	82
PID 1684 wrote to memory of 1620	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	82
PID 1684 wrote to memory of 1620	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	82
PID 1684 wrote to memory of 4312	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	83
PID 1684 wrote to memory of 4312	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	83
PID 1684 wrote to memory of 4312	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	83
PID 1684 wrote to memory of 4312	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	83
PID 1684 wrote to memory of 4312	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	83
PID 1684 wrote to memory of 4312	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	83
PID 1684 wrote to memory of 4312	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	83
PID 1684 wrote to memory of 4312	1684	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	83
PID 4312 wrote to memory of 4844	4312	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	85
PID 4312 wrote to memory of 4844	4312	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	85
PID 4312 wrote to memory of 4844	4312	185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe	85
PID 4844 wrote to memory of 2532	4844	winlogon.exe	86
PID 4844 wrote to memory of 2532	4844	winlogon.exe	86
PID 4844 wrote to memory of 2532	4844	winlogon.exe	86
PID 4844 wrote to memory of 3112	4844	winlogon.exe	87
PID 4844 wrote to memory of 3112	4844	winlogon.exe	87
PID 4844 wrote to memory of 3112	4844	winlogon.exe	87
PID 4844 wrote to memory of 3112	4844	winlogon.exe	87
PID 4844 wrote to memory of 3112	4844	winlogon.exe	87
PID 4844 wrote to memory of 3112	4844	winlogon.exe	87
PID 4844 wrote to memory of 3112	4844	winlogon.exe	87
PID 4844 wrote to memory of 3112	4844	winlogon.exe	87
PID 3112 wrote to memory of 1288	3112	winlogon.exe	88
PID 3112 wrote to memory of 1288	3112	winlogon.exe	88
PID 3112 wrote to memory of 1288	3112	winlogon.exe	88
PID 3112 wrote to memory of 1288	3112	winlogon.exe	88
PID 3112 wrote to memory of 1288	3112	winlogon.exe	88
PID 3112 wrote to memory of 1288	3112	winlogon.exe	88
PID 3112 wrote to memory of 1288	3112	winlogon.exe	88
PID 3112 wrote to memory of 1288	3112	winlogon.exe	88
PID 3112 wrote to memory of 3268	3112	winlogon.exe	101
PID 3112 wrote to memory of 3268	3112	winlogon.exe	101
PID 3112 wrote to memory of 3268	3112	winlogon.exe	101
PID 3112 wrote to memory of 3268	3112	winlogon.exe	101
PID 3112 wrote to memory of 3268	3112	winlogon.exe	101
PID 3112 wrote to memory of 3268	3112	winlogon.exe	101
PID 3112 wrote to memory of 3268	3112	winlogon.exe	101
PID 3112 wrote to memory of 3268	3112	winlogon.exe	101
PID 3112 wrote to memory of 4604	3112	winlogon.exe	104
PID 3112 wrote to memory of 4604	3112	winlogon.exe	104
PID 3112 wrote to memory of 4604	3112	winlogon.exe	104
PID 3112 wrote to memory of 4604	3112	winlogon.exe	104
PID 3112 wrote to memory of 4604	3112	winlogon.exe	104
PID 3112 wrote to memory of 4604	3112	winlogon.exe	104
PID 3112 wrote to memory of 4604	3112	winlogon.exe	104
PID 3112 wrote to memory of 4604	3112	winlogon.exe	104

C:\Users\Admin\AppData\Local\Temp\185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\\svchost.exe
  2⤵
  PID:1620
- C:\Users\Admin\AppData\Local\Temp\185198a888f2556b1535a0076cbf67df_JaffaCakes118.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4312
- - C:\Users\Admin\E696D64614\winlogon.exe
    "C:\Users\Admin\E696D64614\winlogon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4844
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\\svchost.exe
      4⤵
      PID:2532
  - - C:\Users\Admin\E696D64614\winlogon.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3112
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:1288
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 12
        6⤵
        Program crash
        
        PID:2688
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:3268
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3268 -s 12
        6⤵
        Program crash
        
        PID:2744
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:4604
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 12
        6⤵
        Program crash
        
        PID:1108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1288 -ip 1288
1⤵
PID:1228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3268 -ip 3268
1⤵
PID:3244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4604 -ip 4604
1⤵
PID:380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\E696D64614\winlogon.exe

Filesize
1.3MB

MD5
185198a888f2556b1535a0076cbf67df

SHA1
7622352dd5c86ea18c622a6b950209088d295562

SHA256
b964784a350f7f07daa0e8ea12f1f361d7f10bf36ab52232c34c2dd86297e17a

SHA512
289fe8deadbd437db6094b196b37ef8e7c8fc58286120f3107dc2d9970ef591d66376e9225e6f9d08eab5a153247e652c513ce87375fc540d74abae142b85429

Download Submit
memory/1684-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3112-22-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3112-48-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3112-39-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3112-34-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3112-30-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3112-25-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4312-18-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4312-5-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4312-4-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4312-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4312-3-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4844-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download