b84f878cb8ea09a258567e14cb4f675ba95a8e205d7d8156598356dc482b2397

General

Target
252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe
Size 44KB
Sample241008-zgtpyavanm
SHA256 b84f878cb8ea09a258567e14cb4f675ba95a8e205d7d8156598356dc482b2397
MD5 252877341b7b7cee1915e56a0c46a720
SHA1 2f9bc3081e7055390fed9824e0abab22884ae61a
SHA512 3b15d066e9cc604bb319414c2ec7f82974d39b8bb29a96a9252010cb6ef6613a69c00ad2ea2f8f659b0159dbf77a5b7216e98c6583d93c4b06d4295f7a18ae9c
SSDEEP 768:QgdWemzlLOPoUdCgDj+/1x1FSLDLRUNQNIwewoFMQQJj7gKnLbZRqP:LdGFO0yj+/bODLRHQMQsj7g4doP
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.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\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WINSXS32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe"	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1612 set thread context of 4968	1612	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	86

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1612-0-0x0000000000400000-0x0000000000430000-memory.dmp	upx
behavioral2/memory/1612-4-0x0000000000400000-0x0000000000430000-memory.dmp	upx

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 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 4968	1612	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	86
PID 1612 wrote to memory of 4968	1612	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	86
PID 1612 wrote to memory of 4968	1612	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	86
PID 1612 wrote to memory of 4968	1612	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	86
PID 1612 wrote to memory of 4968	1612	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	86
PID 1612 wrote to memory of 4968	1612	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	86
PID 1612 wrote to memory of 4968	1612	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	86
PID 1612 wrote to memory of 4968	1612	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	86
PID 4968 wrote to memory of 4436	4968	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	87
PID 4968 wrote to memory of 4436	4968	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	87
PID 4968 wrote to memory of 4436	4968	252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\252877341b7b7cee1915e56a0c46a720_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4968
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UNI2333.tmp.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

UNI2333.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\UNI2333.tmp.bat
Size 289B
SHA256 16ed59b0f24743a189c77d21c9f15a48f3cb061bb321ae45400de8cb7b49f29d
MD5 856764e3530c7b6dc786aae85d7f885f
SHA1 f21f832300c3e61ad76e17f9bd86a542934fd269
SHA512 8950c7f77db401b536a95884f4ab57ea3f52613a5db14f58f769ea6cf0efe4ae746d48e5124efd7af76d15992c25e6b42730aac2c896e6ce5d89e92f141e7e6b
MD5 SHA1 SHA512

Submit Download

memory/1612-0-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/1612-4-0x0000000000400000-0x0000000000430000-memory.dmp

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memory/4968-1-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/4968-5-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/4968-6-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/4968-21-0x0000000000410000-0x00000000004D9000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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