3234e825e7ee8be23803307d0333b60f89ffd821005ff8fa56b6df32dca5a398

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-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
3944	UnXHpXtrAB.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/884-3-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral2/memory/884-5-0x0000000000400000-0x0000000000466000-memory.dmp	upx
behavioral2/memory/3944-21-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral2/memory/884-24-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral2/memory/3944-25-0x0000000000400000-0x000000000046E000-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	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	UnXHpXtrAB.exe
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

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\Software\Microsoft\Internet Explorer\Download	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-587429654-1855694383-2268796072-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe
884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 884 wrote to memory of 3944	884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe	89
PID 884 wrote to memory of 3944	884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe	89
PID 884 wrote to memory of 3944	884	2c80e3532ef66b27dde987511f5dfa9e_JaffaCakes118.exe	89

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⤵
- 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:884
- C:\ProgramData\UnXHpXtrAB.exe
  C:\ProgramData\UnXHpXtrAB.exe
  2⤵
  - Executes dropped EXE
  - Maps connected drives based on registry
  PID:3944

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

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Downloads

C:\ProgramData\UnXHpXtrAB.exe

Filesize
334KB

MD5
2c80e3532ef66b27dde987511f5dfa9e

SHA1
c4a3ca18a9b65d37b920af8b002f51e480e4091b

SHA256
3234e825e7ee8be23803307d0333b60f89ffd821005ff8fa56b6df32dca5a398

SHA512
2b8f37bda8c7bc9cb4e10a1f904d6980128536139eed7ceeeb4572cbc8724eec0fceb688d5c37cfe6c11cb9a093b7c77f03b4b5e901c5006381043bbee584b30

Download Submit
memory/884-0-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/884-2-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/884-1-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/884-3-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/884-5-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/884-24-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3944-21-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3944-23-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3944-22-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3944-25-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download