c4f5fc94f2f95b483fea06e7ee5feb16adb31ef64aabef48193811bc890b3c06

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 19:16

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General

Target

149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
Size

432KB
MD5

149e04816131f9668f98b07687cf29cb
SHA1

5d8a407a2f1d6a2b39a8fa46b8fe4bb5d32d8af6
SHA256

c4f5fc94f2f95b483fea06e7ee5feb16adb31ef64aabef48193811bc890b3c06
SHA512

dde897f5178043461918b3a680201327abdc033812d5495dea6a793538e62eaf8d6fb180dbc8183dc82555c88f3088cd197d90419367feedc0fc39a631c1fab4
SSDEEP

6144:yaUMLDM82DgUGEl80CDXq1g87shl1+lNI3CHRngHhGRl52NT1r3:yYDM82DgmxI3yR6GZGh

Score

10^/10

discovery evasion execution persistence upx

Malware Config

Signatures

Disables service(s) 3 TTPs
evasion execution

Windows Service
T1543.003

Service Stop
T1489

Service Execution
T1569.002

Deletes itself 1 IoCs

pid	Process
596	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2668	geurge.exe
1688	geurge.exe

Loads dropped DLL 3 IoCs

pid	Process
1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
2668	geurge.exe

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ewrgetuj = "C:\\Users\\Admin\\AppData\\Local\\Temp\\geurge.exe"	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\n:	geurge.exe
File opened (read-only)	\??\o:	geurge.exe
File opened (read-only)	\??\q:	geurge.exe
File opened (read-only)	\??\w:	geurge.exe
File opened (read-only)	\??\x:	geurge.exe
File opened (read-only)	\??\a:	geurge.exe
File opened (read-only)	\??\j:	geurge.exe
File opened (read-only)	\??\g:	geurge.exe
File opened (read-only)	\??\p:	geurge.exe
File opened (read-only)	\??\z:	geurge.exe
File opened (read-only)	\??\b:	geurge.exe
File opened (read-only)	\??\e:	geurge.exe
File opened (read-only)	\??\s:	geurge.exe
File opened (read-only)	\??\i:	geurge.exe
File opened (read-only)	\??\l:	geurge.exe
File opened (read-only)	\??\m:	geurge.exe
File opened (read-only)	\??\r:	geurge.exe
File opened (read-only)	\??\t:	geurge.exe
File opened (read-only)	\??\u:	geurge.exe
File opened (read-only)	\??\v:	geurge.exe
File opened (read-only)	\??\y:	geurge.exe
File opened (read-only)	\??\h:	geurge.exe
File opened (read-only)	\??\k:	geurge.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	geurge.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	geurge.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2148 set thread context of 1992	2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	30
PID 2668 set thread context of 1688	2668	geurge.exe	36

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1992-2-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1992-5-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1992-6-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1992-4-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1992-7-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1992-12-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1992-46-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1688-48-0x0000000000400000-0x000000000045B000-memory.dmp	upx
behavioral1/memory/1688-58-0x0000000000400000-0x000000000045B000-memory.dmp	upx

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1268	sc.exe
2980	sc.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 11 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	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geurge.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geurge.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main	geurge.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
2668	geurge.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
2668	geurge.exe
1688	geurge.exe
1688	geurge.exe
1688	geurge.exe
1688	geurge.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 1992	2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	30
PID 2148 wrote to memory of 1992	2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	30
PID 2148 wrote to memory of 1992	2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	30
PID 2148 wrote to memory of 1992	2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	30
PID 2148 wrote to memory of 1992	2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	30
PID 2148 wrote to memory of 1992	2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	30
PID 2148 wrote to memory of 1992	2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	30
PID 2148 wrote to memory of 1992	2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	30
PID 2148 wrote to memory of 1992	2148	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	30
PID 1992 wrote to memory of 2668	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	35
PID 1992 wrote to memory of 2668	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	35
PID 1992 wrote to memory of 2668	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	35
PID 1992 wrote to memory of 2668	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	35
PID 2668 wrote to memory of 1688	2668	geurge.exe	36
PID 2668 wrote to memory of 1688	2668	geurge.exe	36
PID 2668 wrote to memory of 1688	2668	geurge.exe	36
PID 2668 wrote to memory of 1688	2668	geurge.exe	36
PID 2668 wrote to memory of 1688	2668	geurge.exe	36
PID 2668 wrote to memory of 1688	2668	geurge.exe	36
PID 2668 wrote to memory of 1688	2668	geurge.exe	36
PID 2668 wrote to memory of 1688	2668	geurge.exe	36
PID 2668 wrote to memory of 1688	2668	geurge.exe	36
PID 1992 wrote to memory of 1484	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	37
PID 1992 wrote to memory of 1484	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	37
PID 1992 wrote to memory of 1484	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	37
PID 1992 wrote to memory of 1484	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	37
PID 1992 wrote to memory of 2980	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	39
PID 1992 wrote to memory of 2980	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	39
PID 1992 wrote to memory of 2980	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	39
PID 1992 wrote to memory of 2980	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	39
PID 1992 wrote to memory of 2684	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	40
PID 1992 wrote to memory of 2684	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	40
PID 1992 wrote to memory of 2684	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	40
PID 1992 wrote to memory of 2684	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	40
PID 1992 wrote to memory of 1268	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	42
PID 1992 wrote to memory of 1268	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	42
PID 1992 wrote to memory of 1268	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	42
PID 1992 wrote to memory of 1268	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	42
PID 1992 wrote to memory of 596	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	45
PID 1992 wrote to memory of 596	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	45
PID 1992 wrote to memory of 596	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	45
PID 1992 wrote to memory of 596	1992	149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe	45
PID 1484 wrote to memory of 1880	1484	net.exe	46
PID 1484 wrote to memory of 1880	1484	net.exe	46
PID 1484 wrote to memory of 1880	1484	net.exe	46
PID 1484 wrote to memory of 1880	1484	net.exe	46
PID 2684 wrote to memory of 1904	2684	net.exe	48
PID 2684 wrote to memory of 1904	2684	net.exe	48
PID 2684 wrote to memory of 1904	2684	net.exe	48
PID 2684 wrote to memory of 1904	2684	net.exe	48

C:\Users\Admin\AppData\Local\Temp\149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\149e04816131f9668f98b07687cf29cb_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Users\Admin\AppData\Local\Temp\geurge.exe
    C:\Users\Admin\AppData\Local\Temp\geurge.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Maps connected drives based on registry
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2668
  - - C:\Users\Admin\AppData\Local\Temp\geurge.exe
      "C:\Users\Admin\AppData\Local\Temp\geurge.exe"
      4⤵
      Executes dropped EXE
      Enumerates connected drives
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1688
- - C:\Windows\SysWOW64\net.exe
    net.exe stop "Security Center"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1484
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Security Center"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1880
- - C:\Windows\SysWOW64\sc.exe
    sc config wscsvc start= DISABLED
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2980
- - C:\Windows\SysWOW64\net.exe
    net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)
      4⤵
      System Location Discovery: System Language Discovery
      PID:1904
- - C:\Windows\SysWOW64\sc.exe
    sc config SharedAccess start= DISABLED
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:1268
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\tujserrew.bat""
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\tujserrew.bat

Filesize
218B

MD5
64f6f2f9422163844104034765d46884

SHA1
fcfd2baec96d892db505c6f170d8a388e33752aa

SHA256
67a23887f77108d3c1af428253c42da36311236cf30c9d49ac478f3c5e278ce5

SHA512
db6b8f6933a5fcf5f1354c8e7d388417d645f9f6a5b297536343c5ecbf9570397d6d7d949dbe9c74a08c62d71a206fde542cf3cfdac5ae0b6a5375f9e67cc71b

Download Submit
\Users\Admin\AppData\Local\Temp\geurge.exe

Filesize
432KB

MD5
149e04816131f9668f98b07687cf29cb

SHA1
5d8a407a2f1d6a2b39a8fa46b8fe4bb5d32d8af6

SHA256
c4f5fc94f2f95b483fea06e7ee5feb16adb31ef64aabef48193811bc890b3c06

SHA512
dde897f5178043461918b3a680201327abdc033812d5495dea6a793538e62eaf8d6fb180dbc8183dc82555c88f3088cd197d90419367feedc0fc39a631c1fab4

Download Submit
memory/1688-58-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1688-48-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1688-43-0x0000000003CC0000-0x0000000004D22000-memory.dmp

Filesize
16.4MB

Download
memory/1992-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1992-12-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1992-11-0x0000000003F60000-0x0000000004FC2000-memory.dmp

Filesize
16.4MB

Download
memory/1992-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1992-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1992-46-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1992-6-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1992-5-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download