Malware Analysis Report

2024-08-06 19:26

Sample ID 240520-ehbkjaae84
Target 5d0f26def1e96977eeb1afd1e8d81ced_JaffaCakes118
SHA256 542892dc639bb13bbc6ffb0e7cb10cdecab1c33ac01ee79633496301b1f7e2cc
Tags
darkcomet rat trojan
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: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral9

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral10

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: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

542892dc639bb13bbc6ffb0e7cb10cdecab1c33ac01ee79633496301b1f7e2cc

Threat Level: Known bad

The file 5d0f26def1e96977eeb1afd1e8d81ced_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

darkcomet rat trojan

Darkcomet

Darkcomet family

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-20 03:56

Signatures

Darkcomet family

darkcomet

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-20 03:56

Reported

2024-05-20 03:58

Platform

win7-20240221-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL "C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\Celesty Binder\最火软件站.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\DarkComet_jz5u.com\Celesty Binder\最火软件站.url"

Network

N/A

Files

memory/2352-0-0x0000000001D80000-0x0000000001D81000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-05-20 03:56

Reported

2024-05-20 03:58

Platform

win10v2004-20240426-en

Max time kernel

141s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\DarkComet汉化.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\DarkComet汉化.exe

"C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\DarkComet汉化.exe"

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 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4992-0-0x0000000002D40000-0x0000000002D41000-memory.dmp

memory/4992-1-0x0000000005B40000-0x0000000005B41000-memory.dmp

memory/4992-2-0x00000000065D0000-0x00000000065D1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\config.ini

MD5 3ba645b7459d0766c92f4a2e3236ebef
SHA1 7a34107e841a61fff7f104758289cb8b6822a771
SHA256 a8a243827e142e12507ddf325f88855b193dac1bebb6f77e07c9bcdf45fac762
SHA512 1cdedd08189be4bc64b2250660bc1a395fb7c74055a04e2a4e16aca27f96b348dedfd9d3177bbb2d44186b5ed5558d2e8417a007bd1009a076508c85211110a1

memory/4992-40-0x0000000000400000-0x0000000000F66000-memory.dmp

memory/4992-42-0x0000000002D40000-0x0000000002D41000-memory.dmp

memory/4992-43-0x0000000005B40000-0x0000000005B41000-memory.dmp

memory/4992-44-0x00000000065D0000-0x00000000065D1000-memory.dmp

Analysis: behavioral5

Detonation Overview

Submitted

2024-05-20 03:56

Reported

2024-05-20 03:58

Platform

win7-20240221-en

Max time kernel

122s

Max time network

129s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\JZ5U绿色下载站.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\DarkComet_jz5u.com\JZ5U绿色下载站.url

Network

N/A

Files

memory/2612-0-0x0000000000430000-0x0000000000431000-memory.dmp

Analysis: behavioral9

Detonation Overview

Submitted

2024-05-20 03:56

Reported

2024-05-20 03:58

Platform

win7-20231129-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\使用必读.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\DarkComet_jz5u.com\使用必读.url

Network

N/A

Files

memory/2216-0-0x00000000003A0000-0x00000000003A1000-memory.dmp

Analysis: behavioral10

Detonation Overview

Submitted

2024-05-20 03:56

Reported

2024-05-20 03:58

Platform

win10v2004-20240508-en

Max time kernel

139s

Max time network

102s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\使用必读.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\DarkComet_jz5u.com\使用必读.url

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 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.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 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 57.169.31.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-20 03:56

Reported

2024-05-20 03:58

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL "C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\Celesty Binder\最火软件站.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\DarkComet_jz5u.com\Celesty Binder\最火软件站.url"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-20 03:56

Reported

2024-05-20 03:58

Platform

win7-20240221-en

Max time kernel

140s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\DarkComet汉化.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\DarkComet汉化.exe

"C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\DarkComet汉化.exe"

Network

N/A

Files

memory/2836-0-0x0000000000260000-0x0000000000261000-memory.dmp

memory/2836-1-0x00000000049F0000-0x00000000049F1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\config.ini

MD5 3ba645b7459d0766c92f4a2e3236ebef
SHA1 7a34107e841a61fff7f104758289cb8b6822a771
SHA256 a8a243827e142e12507ddf325f88855b193dac1bebb6f77e07c9bcdf45fac762
SHA512 1cdedd08189be4bc64b2250660bc1a395fb7c74055a04e2a4e16aca27f96b348dedfd9d3177bbb2d44186b5ed5558d2e8417a007bd1009a076508c85211110a1

memory/2836-39-0x0000000000260000-0x0000000000261000-memory.dmp

memory/2836-40-0x00000000049F0000-0x00000000049F1000-memory.dmp

memory/2836-41-0x0000000000400000-0x0000000000F66000-memory.dmp

memory/2836-42-0x0000000000400000-0x0000000000F66000-memory.dmp

Analysis: behavioral6

Detonation Overview

Submitted

2024-05-20 03:56

Reported

2024-05-20 03:58

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\JZ5U绿色下载站.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\DarkComet_jz5u.com\JZ5U绿色下载站.url

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 17.173.189.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-05-20 03:56

Reported

2024-05-20 03:58

Platform

win7-20240508-en

Max time kernel

122s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\sqlite3.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\sqlite3.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\sqlite3.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 220

Network

N/A

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-05-20 03:56

Reported

2024-05-20 03:58

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

132s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\sqlite3.dll,#1

Signatures

Program crash

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3704 wrote to memory of 2432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3704 wrote to memory of 2432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3704 wrote to memory of 2432 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\DarkComet_jz5u.com\sqlite3.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\DarkComet_jz5u.com\sqlite3.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2432 -ip 2432

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 600

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 --field-trial-handle=4292,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=1280 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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 8.8.8.8:53 67.112.168.52.in-addr.arpa udp

Files

N/A