Malware Analysis Report

2025-01-23 13:14

Sample ID 241129-h3h2wsxqgm
Target afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118
SHA256 e5f0a29086f35cee8e5788791d1fd1c78aa3a14f20a227594605eff43e335665
Tags
cryptone discovery packer persistence
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
9/10

SHA256

e5f0a29086f35cee8e5788791d1fd1c78aa3a14f20a227594605eff43e335665

Threat Level: Likely malicious

The file afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

cryptone discovery packer persistence

CryptOne packer

Deletes itself

Adds Run key to start application

Enumerates connected drives

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-29 07:15

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-29 07:15

Reported

2024-11-29 07:18

Platform

win7-20240708-en

Max time kernel

135s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe"

Signatures

CryptOne packer

cryptone packer
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
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N/A N/A N/A N/A
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N/A N/A N/A N/A
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N/A N/A N/A N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\notepad.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Chrqrs = "C:\\Users\\Admin\\AppData\\Roaming\\Identities\\Chrqrs.exe" C:\Windows\SysWOW64\notepad.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe System Incorporated = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Adobe\\Reader_sl.exe" C:\Windows\SysWOW64\svchost.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\Z: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\G: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\P: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\Q: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\R: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\Y: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\T: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\V: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\W: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\B: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\E: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\M: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\N: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\S: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\L: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\O: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\X: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\D: C:\Windows\SysWOW64\notepad.exe N/A
File opened (read-only) \??\F: C:\Windows\SysWOW64\notepad.exe N/A
File opened (read-only) \??\H: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\I: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\J: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\K: C:\Windows\SysWOW64\svchost.exe N/A
File opened (read-only) \??\U: C:\Windows\SysWOW64\svchost.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\calc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\notepad.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\calc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\notepad.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1244 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1244 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1244 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1244 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1244 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 1244 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 1244 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 1244 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 1244 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 1244 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 1244 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 2384 wrote to memory of 480 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\notepad.exe
PID 2384 wrote to memory of 480 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\notepad.exe
PID 2384 wrote to memory of 480 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\notepad.exe
PID 2384 wrote to memory of 480 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\notepad.exe
PID 2384 wrote to memory of 480 N/A C:\Windows\SysWOW64\svchost.exe C:\Windows\SysWOW64\notepad.exe
PID 1244 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe
PID 1244 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe
PID 1244 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe
PID 1244 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe
PID 1244 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe
PID 1244 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe
PID 1244 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe
PID 1244 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe
PID 1244 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe
PID 1244 wrote to memory of 2872 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe
PID 2872 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2872 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2872 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 2872 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\calc.exe
PID 2872 wrote to memory of 480 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe
PID 2872 wrote to memory of 480 N/A C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe C:\Windows\SysWOW64\notepad.exe

Processes

C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\SysWOW64\svchost.exe"

C:\Windows\SysWOW64\calc.exe

"C:\Windows\SysWOW64\calc.exe"

C:\Windows\SysWOW64\notepad.exe

"C:\Windows\SysWOW64\notepad.exe"

C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.wipmania.com udp
N/A 127.0.0.1:80 tcp
US 8.8.8.8:53 c.najwahaifamelema86.com udp
US 199.2.137.29:6544 c.najwahaifamelema86.com tcp
US 8.8.8.8:53 c.najwahaifamelema87.com udp
US 199.2.137.29:6544 c.najwahaifamelema87.com tcp
US 8.8.8.8:53 c.najwahaifamelema88.com udp
US 199.2.137.29:6544 c.najwahaifamelema88.com tcp
US 8.8.8.8:53 c.zabrak0vmin0kov1.com udp
US 199.2.137.29:6544 c.zabrak0vmin0kov1.com tcp
US 8.8.8.8:53 c.zabrak0vmin0kov2.com udp
US 199.2.137.29:6544 c.zabrak0vmin0kov2.com tcp
US 8.8.8.8:53 c.zabrak0vmin0kov3.com udp
US 199.2.137.29:6544 c.zabrak0vmin0kov3.com tcp
US 8.8.8.8:53 c.najwahaifamelema89.com udp
US 199.2.137.29:6544 c.najwahaifamelema89.com tcp
US 8.8.8.8:53 c.najwahaifamelema97.com udp
US 199.2.137.29:6544 c.najwahaifamelema97.com tcp

Files

memory/1244-0-0x0000000000400000-0x0000000000479000-memory.dmp

memory/1244-1-0x0000000000220000-0x0000000000239000-memory.dmp

memory/1244-2-0x0000000000270000-0x0000000000271000-memory.dmp

memory/1244-3-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2384-5-0x00000000000E0000-0x0000000000109000-memory.dmp

memory/2384-6-0x00000000000E0000-0x0000000000109000-memory.dmp

memory/2540-9-0x0000000000080000-0x0000000000082000-memory.dmp

memory/2540-8-0x0000000000080000-0x0000000000082000-memory.dmp

memory/2540-7-0x0000000000080000-0x0000000000082000-memory.dmp

memory/1244-13-0x0000000000400000-0x0000000000429000-memory.dmp

memory/1244-24-0x0000000000400000-0x0000000000479000-memory.dmp

memory/2872-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2872-43-0x0000000000400000-0x000000000044E000-memory.dmp

memory/1244-42-0x0000000000400000-0x0000000000429000-memory.dmp

memory/1244-41-0x0000000000400000-0x0000000000479000-memory.dmp

memory/2872-38-0x0000000000400000-0x000000000044E000-memory.dmp

memory/1244-35-0x0000000000480000-0x00000000004F9000-memory.dmp

memory/2872-44-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2872-33-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2872-31-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2872-29-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2872-27-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2872-25-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2384-23-0x00000000000E0000-0x0000000000109000-memory.dmp

memory/480-22-0x0000000000080000-0x00000000000A9000-memory.dmp

memory/480-21-0x0000000000080000-0x00000000000A9000-memory.dmp

memory/480-20-0x0000000000080000-0x00000000000A9000-memory.dmp

memory/480-19-0x0000000000080000-0x00000000000A9000-memory.dmp

memory/480-18-0x0000000000080000-0x00000000000A9000-memory.dmp

memory/480-17-0x0000000000080000-0x00000000000A9000-memory.dmp

memory/2384-45-0x0000000000120000-0x0000000000121000-memory.dmp

memory/2872-65-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2384-75-0x0000000000230000-0x000000000027E000-memory.dmp

memory/2384-72-0x0000000000230000-0x000000000027E000-memory.dmp

memory/2384-70-0x0000000000230000-0x000000000027E000-memory.dmp

memory/2384-68-0x0000000000230000-0x000000000027E000-memory.dmp

memory/2384-66-0x0000000000230000-0x000000000027E000-memory.dmp

memory/2872-64-0x00000000002C0000-0x000000000030E000-memory.dmp

memory/480-59-0x0000000000170000-0x00000000001BE000-memory.dmp

memory/2540-54-0x00000000002D0000-0x000000000031E000-memory.dmp

memory/2384-49-0x0000000000230000-0x000000000027E000-memory.dmp

C:\Users\Admin\AppData\Roaming\Identities\Chrqrs.exe

MD5 afaf2335cbd8b65452e65f69e5feee49
SHA1 95f9e1971c739e17c6821196ef6e32b2d430b182
SHA256 e5f0a29086f35cee8e5788791d1fd1c78aa3a14f20a227594605eff43e335665
SHA512 ba55cada758ee5d3013b305d4b255e33a409ea72d43d1ec9392f23c03299ac18753010fa0a41d82f8b52278d18ef15177e933e148d92ad7bc17b30cbde485600

memory/480-302-0x0000000074D74000-0x0000000074D75000-memory.dmp

memory/480-311-0x0000000074D70000-0x0000000074DB4000-memory.dmp

memory/480-312-0x0000000074D70000-0x0000000074DB4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-29 07:15

Reported

2024-11-29 07:18

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\afaf2335cbd8b65452e65f69e5feee49_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2956 -ip 2956

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 400

Network

Country Destination Domain Proto
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/2956-0-0x0000000000400000-0x0000000000479000-memory.dmp

memory/2956-1-0x0000000000620000-0x0000000000639000-memory.dmp

memory/2956-2-0x0000000002210000-0x0000000002211000-memory.dmp

memory/2956-3-0x0000000000400000-0x0000000000479000-memory.dmp