Malware Analysis Report

2025-01-22 12:54

Sample ID 240521-z4frlaag2z
Target 64cb4761c473f3d2fcc06c5657d1947c_JaffaCakes118
SHA256 0d2474f13778d5e7694f29b571cde90acd4c812bf1029cd051ef1f4025fbd5a3
Tags
vmprotect
score
7/10

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

0d2474f13778d5e7694f29b571cde90acd4c812bf1029cd051ef1f4025fbd5a3

Threat Level: Shows suspicious behavior

The file 64cb4761c473f3d2fcc06c5657d1947c_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

vmprotect

VMProtect packed file

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-21 21:16

Signatures

VMProtect packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 21:16

Reported

2024-05-21 21:18

Platform

win7-20240220-en

Max time kernel

117s

Max time network

118s

Command Line

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

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}" C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0" C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}" C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Users\Admin\AppData\Local\Temp\exe.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\exe.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\exe.exe N/A

Processes

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

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

Network

N/A

Files

memory/2252-0-0x0000000004C20000-0x0000000004C22000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 21:16

Reported

2024-05-21 21:18

Platform

win10v2004-20240226-en

Max time kernel

144s

Max time network

156s

Command Line

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

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents" C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1" C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A
Set value (data) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 C:\Users\Admin\AppData\Local\Temp\exe.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\exe.exe N/A

Processes

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4112 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.200.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 10.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-21 21:16

Reported

2024-05-21 21:18

Platform

win7-20240221-en

Max time kernel

121s

Max time network

126s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pp.dll,#1

Signatures

VMProtect packed file

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pp.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pp.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 260

Network

N/A

Files

memory/2816-0-0x0000000001C50000-0x000000000331A000-memory.dmp

memory/2816-10-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/2816-35-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2816-37-0x0000000001F7F000-0x000000000295B000-memory.dmp

memory/2816-38-0x0000000001C50000-0x000000000331A000-memory.dmp

memory/2816-33-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2816-31-0x0000000000220000-0x0000000000221000-memory.dmp

memory/2816-30-0x0000000000200000-0x0000000000201000-memory.dmp

memory/2816-28-0x0000000000200000-0x0000000000201000-memory.dmp

memory/2816-25-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/2816-23-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/2816-20-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/2816-18-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/2816-15-0x00000000001D0000-0x00000000001D1000-memory.dmp

memory/2816-13-0x00000000001D0000-0x00000000001D1000-memory.dmp

memory/2816-8-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/2816-6-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/2816-5-0x0000000000170000-0x0000000000171000-memory.dmp

memory/2816-3-0x0000000000170000-0x0000000000171000-memory.dmp

memory/2816-1-0x0000000000170000-0x0000000000171000-memory.dmp

memory/2816-39-0x0000000001C50000-0x000000000331A000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-05-21 21:16

Reported

2024-05-21 21:18

Platform

win10v2004-20240426-en

Max time kernel

137s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pp.dll,#1

Signatures

VMProtect packed file

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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4076 wrote to memory of 208 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4076 wrote to memory of 208 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4076 wrote to memory of 208 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pp.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\pp.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 208 -ip 208

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 208 -s 676

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/208-0-0x0000000002560000-0x0000000003C2A000-memory.dmp

memory/208-3-0x0000000000B40000-0x0000000000B41000-memory.dmp

memory/208-6-0x0000000000C90000-0x0000000000C91000-memory.dmp

memory/208-8-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

memory/208-7-0x000000000288F000-0x000000000326B000-memory.dmp

memory/208-5-0x0000000000C80000-0x0000000000C81000-memory.dmp

memory/208-4-0x0000000000C70000-0x0000000000C71000-memory.dmp

memory/208-2-0x0000000000B20000-0x0000000000B21000-memory.dmp

memory/208-1-0x0000000000A00000-0x0000000000A01000-memory.dmp

memory/208-11-0x0000000002560000-0x0000000003C2A000-memory.dmp

memory/208-12-0x0000000002560000-0x0000000003C2A000-memory.dmp

memory/208-13-0x0000000002560000-0x0000000003C2A000-memory.dmp