Malware Analysis Report

2024-10-19 06:22

Sample ID 240831-qgz3aavgjm
Target 33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64
SHA256 33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64
Tags
cobaltstrike 0 100000 backdoor discovery trojan
score
10/10

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
10/10

SHA256

33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64

Threat Level: Known bad

The file 33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 0 100000 backdoor discovery trojan

Cobaltstrike

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 13:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 13:14

Reported

2024-08-31 13:17

Platform

win7-20240704-en

Max time kernel

141s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Public\Pictures\beacon.exe N/A
N/A N/A C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe N/A

Enumerates physical storage devices

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\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2396 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe C:\Users\Public\Pictures\beacon.exe
PID 2396 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe C:\Users\Public\Pictures\beacon.exe
PID 2396 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe C:\Users\Public\Pictures\beacon.exe
PID 2396 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe C:\Users\Public\Pictures\beacon.exe
PID 2396 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe
PID 2396 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe
PID 2396 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe
PID 2396 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe

Processes

C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe

"C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe"

C:\Users\Public\Pictures\beacon.exe

"C:\Users\Public\Pictures\beacon.exe"

C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe

"C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe"

Network

Country Destination Domain Proto
CN 120.26.241.224:52847 tcp
CN 120.26.241.224:52847 tcp
CN 120.26.241.224:52847 tcp
CN 120.26.241.224:52847 tcp

Files

\Users\Public\Pictures\beacon.exe

MD5 e733d3f28db97dcda9a17678d31817cf
SHA1 740ebd1aacbb16784601bbee921d92a948be3e86
SHA256 28c745de667ae05f90a2631fdb1f3611e22de7ec4e16de5f6dc653b6fb3e7f3b
SHA512 829e336a3ec9357740f0170dc9867628235105c770af94889d51ac2740625a5f2ac4028594db806ca9ebcbc9d4e27ec0cb0661ca089a91cadda0f79eb4c89937

\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe

MD5 973bc81880b01f493f786625a31b31eb
SHA1 18704e3406ef52e675ede908b5f8158d88ef5b0f
SHA256 6652a80a755644374bc38c4b99b8990e2288dbea593813d11852d40d2ce26c2d
SHA512 f3bce517bab0764fab0fa110479149b350e80841514a6096f5e48383ac60d7e7903b81fe8af8fc685ca13d3c94fdf85937331389fac943b2b6de5de3ac4a86b7

memory/2744-24-0x00000000002C0000-0x0000000000301000-memory.dmp

memory/2744-26-0x0000000000330000-0x000000000037F000-memory.dmp

memory/3060-27-0x00000000002D0000-0x0000000000B56000-memory.dmp

memory/3060-28-0x000000001BBF0000-0x000000001BE74000-memory.dmp

memory/2744-29-0x0000000000400000-0x000000000044E000-memory.dmp

memory/2744-30-0x0000000000330000-0x000000000037F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 13:14

Reported

2024-08-31 13:17

Platform

win10v2004-20240802-en

Max time kernel

141s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Public\Pictures\beacon.exe N/A
N/A N/A C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe N/A

Enumerates physical storage devices

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\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe

"C:\Users\Admin\AppData\Local\Temp\33988f6852a9c11377d2b0439a5a12d8d515f0d5031629b3eeceff3ea86aae64.exe"

C:\Users\Public\Pictures\beacon.exe

"C:\Users\Public\Pictures\beacon.exe"

C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe

"C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
CN 120.26.241.224:52847 tcp
US 8.8.8.8:53 73.144.22.2.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.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 43.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
CN 120.26.241.224:52847 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

C:\Users\Public\Pictures\beacon.exe

MD5 e733d3f28db97dcda9a17678d31817cf
SHA1 740ebd1aacbb16784601bbee921d92a948be3e86
SHA256 28c745de667ae05f90a2631fdb1f3611e22de7ec4e16de5f6dc653b6fb3e7f3b
SHA512 829e336a3ec9357740f0170dc9867628235105c770af94889d51ac2740625a5f2ac4028594db806ca9ebcbc9d4e27ec0cb0661ca089a91cadda0f79eb4c89937

C:\Users\Public\Pictures\Navicat_Keygen_Patch_v6.3.2_By_DFoX.exe

MD5 973bc81880b01f493f786625a31b31eb
SHA1 18704e3406ef52e675ede908b5f8158d88ef5b0f
SHA256 6652a80a755644374bc38c4b99b8990e2288dbea593813d11852d40d2ce26c2d
SHA512 f3bce517bab0764fab0fa110479149b350e80841514a6096f5e48383ac60d7e7903b81fe8af8fc685ca13d3c94fdf85937331389fac943b2b6de5de3ac4a86b7

memory/4144-21-0x00007FFE2CB13000-0x00007FFE2CB15000-memory.dmp

memory/4144-22-0x0000000000680000-0x0000000000F06000-memory.dmp

memory/4144-23-0x000000001BC10000-0x000000001BE94000-memory.dmp

memory/4144-24-0x00007FFE2CB10000-0x00007FFE2D5D1000-memory.dmp

memory/804-25-0x0000000000AB0000-0x0000000000AF1000-memory.dmp

memory/804-26-0x0000000000D00000-0x0000000000D4F000-memory.dmp

memory/4144-27-0x00007FFE2CB13000-0x00007FFE2CB15000-memory.dmp

memory/804-28-0x0000000000400000-0x000000000044E000-memory.dmp

memory/4144-29-0x000000001D0B0000-0x000000001D259000-memory.dmp

memory/4144-30-0x00007FFE2CB10000-0x00007FFE2D5D1000-memory.dmp

memory/804-31-0x0000000000D00000-0x0000000000D4F000-memory.dmp