3234e825e7ee8be23803307d0333b60f89ffd821005ff8fa56b6df32dca5a398

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 13:20

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General

Target

2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
Size

334KB
MD5

2c80e3532ef66b27dde987511f5dfa9e
SHA1

c4a3ca18a9b65d37b920af8b002f51e480e4091b
SHA256

3234e825e7ee8be23803307d0333b60f89ffd821005ff8fa56b6df32dca5a398
SHA512

2b8f37bda8c7bc9cb4e10a1f904d6980128536139eed7ceeeb4572cbc8724eec0fceb688d5c37cfe6c11cb9a093b7c77f03b4b5e901c5006381043bbee584b30
SSDEEP

6144:/MZnW1YnbIZNWVxiMyoA2y7NQj55tZ9H3y1NCZx/tyADGVnyVb0a8m:lYbQuxiMnyZcHHRL/nDAny9Ym

Score

8^/10

evasion persistence upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
1644	UnXHpXtrAB.exe

Loads dropped DLL 1 IoCs

pid	Process
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2940-4-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2940-3-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2940-6-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral1/memory/2940-25-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/1644-26-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/1644-27-0x0000000000400000-0x000000000046E000-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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UnXHpXtrAB.exe = "C:\\ProgramData\\UnXHpXtrAB.exe"	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	UnXHpXtrAB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	UnXHpXtrAB.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Download	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 1644	2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe	31
PID 2940 wrote to memory of 1644	2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe	31
PID 2940 wrote to memory of 1644	2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe	31
PID 2940 wrote to memory of 1644	2940	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe	31

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2940
- C:\ProgramData\UnXHpXtrAB.exe
  C:\ProgramData\UnXHpXtrAB.exe
  2⤵
  - Executes dropped EXE
  - Maps connected drives based on registry
  PID:1644

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\UnXHpXtrAB.exe

Filesize
334KB

MD5
2c80e3532ef66b27dde987511f5dfa9e

SHA1
c4a3ca18a9b65d37b920af8b002f51e480e4091b

SHA256
3234e825e7ee8be23803307d0333b60f89ffd821005ff8fa56b6df32dca5a398

SHA512
2b8f37bda8c7bc9cb4e10a1f904d6980128536139eed7ceeeb4572cbc8724eec0fceb688d5c37cfe6c11cb9a093b7c77f03b4b5e901c5006381043bbee584b30

Download Submit
memory/1644-24-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1644-23-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1644-26-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1644-27-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2940-0-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2940-2-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2940-1-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2940-4-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2940-3-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2940-6-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2940-25-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download