Malware Analysis Report

2024-09-11 05:55

Sample ID 240606-dv8v5afe3t
Target 99de090ea54e0933a0f1325f3ab8d8bf_JaffaCakes118
SHA256 812241ef6c9649f97b0635692a1844ddb9be6fa2e16dde57888c40bb5ca8e501
Tags
blackmoon banker discovery exploit trojan vmprotect
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
10/10

SHA256

812241ef6c9649f97b0635692a1844ddb9be6fa2e16dde57888c40bb5ca8e501

Threat Level: Known bad

The file 99de090ea54e0933a0f1325f3ab8d8bf_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

blackmoon banker discovery exploit trojan vmprotect

Blackmoon, KrBanker

Detect Blackmoon payload

Possible privilege escalation attempt

Loads dropped DLL

VMProtect packed file

Executes dropped EXE

Checks computer location settings

Modifies file permissions

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
File and Directory Permissions Modification
T1222
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-06 03:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 03:20

Reported

2024-06-06 03:23

Platform

win7-20240221-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

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

Possible privilege escalation attempt

exploit
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\takeown.exe N/A
N/A N/A C:\Windows\SysWOW64\icacls.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\001.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe N/A

Modifies file permissions

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\takeown.exe N/A
N/A N/A C:\Windows\SysWOW64\icacls.exe N/A

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

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\linkinfo.dll C:\Users\Admin\AppData\Local\Temp\001.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\001.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\001.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\001.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\takeown.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\001.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe
PID 2180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe
PID 2180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe
PID 2180 wrote to memory of 668 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe
PID 2180 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\001.exe
PID 2180 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\001.exe
PID 2180 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\001.exe
PID 2180 wrote to memory of 2396 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\001.exe
PID 2396 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\001.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\001.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\001.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 1028 N/A C:\Users\Admin\AppData\Local\Temp\001.exe C:\Windows\SysWOW64\cmd.exe
PID 1028 wrote to memory of 2796 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\takeown.exe
PID 1028 wrote to memory of 2796 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\takeown.exe
PID 1028 wrote to memory of 2796 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\takeown.exe
PID 1028 wrote to memory of 2796 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\takeown.exe
PID 1028 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\icacls.exe
PID 1028 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\icacls.exe
PID 1028 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\icacls.exe
PID 1028 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\icacls.exe
PID 2396 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\001.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\001.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\001.exe C:\Windows\SysWOW64\cmd.exe
PID 2396 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\001.exe C:\Windows\SysWOW64\cmd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe

"C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe"

C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe

"C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe"

C:\Users\Admin\AppData\Local\Temp\001.exe

"C:\Users\Admin\AppData\Local\Temp\001.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /c takeown /f "C:\Windows\SysWOW64" /r /d y && icacls "C:\Windows\SysWOW64" /grant administrators:F /t

C:\Windows\SysWOW64\takeown.exe

takeown /f "C:\Windows\SysWOW64" /r /d y

C:\Windows\SysWOW64\icacls.exe

icacls "C:\Windows\SysWOW64" /grant administrators:F /t

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\SetDelMe.bat

Network

N/A

Files

memory/2180-0-0x0000000000220000-0x00000000002CC000-memory.dmp

\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe

MD5 b43ed4e982d8c47fa31dbc66488806f3
SHA1 982d56cf97ab2348c3b6118ba618ad5000c1a361
SHA256 004d894cb015bdb0560b1c77b985e7a072f84f7e0f3c68564ebd24b1cde1ed46
SHA512 b4b2c6a1a2af2f195494a9248ec13b5ce30941bc51f965ee9d88150c4289acfdc9683503c8b2d26502efe07ccd4bc7c16a0e6dc6ae3899d93c10b9fb870b9ff8

C:\Users\Admin\AppData\Local\Temp\001.exe

MD5 bb79ebf3e0fd5981bb68b15886e09233
SHA1 ec9923e51740ae1196efacf592379e56d6e16820
SHA256 32e46989c60e4aace09e6031dfdbe273fa7a7e9c875022a290461c3ef153dcba
SHA512 632cd1d2c90e5eff666bc3cf19a0fa0cf7ef559b6121814af983dfddb3f0d4812f6d5ee6b2de7cac58d72a50f4fbc66c47f1c813ccd72d3ce9b79e202d16a979

memory/668-18-0x0000000002270000-0x000000000243D000-memory.dmp

memory/668-16-0x0000000002270000-0x000000000243D000-memory.dmp

memory/668-19-0x0000000002270000-0x000000000243D000-memory.dmp

memory/2396-23-0x0000000000400000-0x0000000000429000-memory.dmp

memory/668-25-0x0000000002270000-0x000000000243D000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\SetDelMe.bat

MD5 e8be3e3b1e361fdfda9ae8ca8375ea4f
SHA1 f346097a67bb97c1bb93bcc44a568887374d4b37
SHA256 cb0f6202b7db68a72516c4841d3b26ccf00900880765bc1f37b168c0338c07e6
SHA512 067a73e450e6e5d49c8f8adb40df1975ebd4ba0eb6d911283e5dcd2d4a0bf40759fa39aa8a79fcff8c6f81e7d3ff4c9226c21266dea96190c053cada42060ca1

memory/2396-38-0x0000000000400000-0x0000000000429000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-06 03:20

Reported

2024-06-06 03:23

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\001.exe N/A

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

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1800 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe
PID 1800 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe
PID 1800 wrote to memory of 4816 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe
PID 1800 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\001.exe
PID 1800 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\001.exe
PID 1800 wrote to memory of 3580 N/A C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe C:\Users\Admin\AppData\Local\Temp\001.exe

Processes

C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe

"C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\千珏5.12破解版.exe"

C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe

"C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe"

C:\Users\Admin\AppData\Local\Temp\001.exe

"C:\Users\Admin\AppData\Local\Temp\001.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=4484 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.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 216.58.212.234:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 234.212.58.216.in-addr.arpa udp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\千珏05-10A破解版.exe

MD5 b43ed4e982d8c47fa31dbc66488806f3
SHA1 982d56cf97ab2348c3b6118ba618ad5000c1a361
SHA256 004d894cb015bdb0560b1c77b985e7a072f84f7e0f3c68564ebd24b1cde1ed46
SHA512 b4b2c6a1a2af2f195494a9248ec13b5ce30941bc51f965ee9d88150c4289acfdc9683503c8b2d26502efe07ccd4bc7c16a0e6dc6ae3899d93c10b9fb870b9ff8

C:\Users\Admin\AppData\Local\Temp\001.exe

MD5 bb79ebf3e0fd5981bb68b15886e09233
SHA1 ec9923e51740ae1196efacf592379e56d6e16820
SHA256 32e46989c60e4aace09e6031dfdbe273fa7a7e9c875022a290461c3ef153dcba
SHA512 632cd1d2c90e5eff666bc3cf19a0fa0cf7ef559b6121814af983dfddb3f0d4812f6d5ee6b2de7cac58d72a50f4fbc66c47f1c813ccd72d3ce9b79e202d16a979

memory/4816-18-0x00000000025C0000-0x000000000278D000-memory.dmp

memory/4816-20-0x00000000025C0000-0x000000000278D000-memory.dmp

memory/4816-21-0x00000000025C0000-0x000000000278D000-memory.dmp

memory/4816-25-0x00000000025C0000-0x000000000278D000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-06 03:20

Reported

2024-06-06 03:23

Platform

win7-20240508-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\游戏大全.url

Signatures

N/A

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\游戏大全.url

Network

N/A

Files

memory/2580-0-0x0000000000220000-0x0000000000221000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-06 03:20

Reported

2024-06-06 03:23

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\游戏大全.url

Signatures

N/A

Processes

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\dnf千珏辅助v5.12\游戏大全.url

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
BE 2.17.196.137:443 www.bing.com tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 137.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 209.143.182.52.in-addr.arpa udp

Files

N/A