Malware Analysis Report

2025-04-03 09:39

Sample ID 230505-ndhygshf47
Target ad08584c525066f399a30dd03f4ca596.exe
SHA256 e53dc87e496e8b9e798419bbbdc6ab953d7f1d08a54546cb3b2aabced1b88bed
Tags
upx systembc trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

e53dc87e496e8b9e798419bbbdc6ab953d7f1d08a54546cb3b2aabced1b88bed

Threat Level: Known bad

The file ad08584c525066f399a30dd03f4ca596.exe was found to be: Known bad.

Malicious Activity Summary

upx systembc trojan

SystemBC

UPX packed file

Executes dropped EXE

Drops file in Windows directory

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-05-05 11:16

Signatures

UPX packed file

upx
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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-05 11:16

Reported

2023-05-05 11:19

Platform

win7-20230220-en

Max time kernel

143s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe"

Signatures

SystemBC

trojan systembc

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\idnhudp\cidlbm.exe N/A

UPX packed file

upx
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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\corolina17.job C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe N/A
File opened for modification C:\Windows\Tasks\corolina17.job C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1644 wrote to memory of 1840 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\idnhudp\cidlbm.exe
PID 1644 wrote to memory of 1840 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\idnhudp\cidlbm.exe
PID 1644 wrote to memory of 1840 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\idnhudp\cidlbm.exe
PID 1644 wrote to memory of 1840 N/A C:\Windows\system32\taskeng.exe C:\ProgramData\idnhudp\cidlbm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe

"C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {7F6BE28C-E930-4457-8601-2A265261A3BD} S-1-5-21-1914912747-3343861975-731272777-1000:TMRJMUQF\Admin:Interactive:[1]

C:\ProgramData\idnhudp\cidlbm.exe

C:\ProgramData\idnhudp\cidlbm.exe start2

Network

N/A

Files

memory/1124-54-0x0000000000400000-0x000000000044E000-memory.dmp

memory/1124-55-0x0000000000230000-0x0000000000234000-memory.dmp

memory/1124-56-0x0000000000400000-0x000000000044E000-memory.dmp

C:\ProgramData\idnhudp\cidlbm.exe

MD5 ad08584c525066f399a30dd03f4ca596
SHA1 ced14e862f8bb80de80c11bc02b4e4d4a0834389
SHA256 e53dc87e496e8b9e798419bbbdc6ab953d7f1d08a54546cb3b2aabced1b88bed
SHA512 40d435cd785280e6dd6dd3eb914da9249fe8a11fd7ecc78b1a3672de3843e9efd39676d898af8bb0cf376e50c6c7d91f2df8081d94906437e611e5ca87bd2ae8

C:\ProgramData\idnhudp\cidlbm.exe

MD5 ad08584c525066f399a30dd03f4ca596
SHA1 ced14e862f8bb80de80c11bc02b4e4d4a0834389
SHA256 e53dc87e496e8b9e798419bbbdc6ab953d7f1d08a54546cb3b2aabced1b88bed
SHA512 40d435cd785280e6dd6dd3eb914da9249fe8a11fd7ecc78b1a3672de3843e9efd39676d898af8bb0cf376e50c6c7d91f2df8081d94906437e611e5ca87bd2ae8

memory/1840-69-0x0000000000400000-0x000000000044E000-memory.dmp

memory/1840-70-0x0000000000400000-0x000000000044E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-05 11:16

Reported

2023-05-05 11:19

Platform

win10v2004-20230220-en

Max time kernel

141s

Max time network

112s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe"

Signatures

SystemBC

trojan systembc

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\makh\kapdcob.exe N/A

UPX packed file

upx
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

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\corolina17.job C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe N/A
File opened for modification C:\Windows\Tasks\corolina17.job C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe

"C:\Users\Admin\AppData\Local\Temp\ad08584c525066f399a30dd03f4ca596.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4964 -ip 4964

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 948

C:\ProgramData\makh\kapdcob.exe

C:\ProgramData\makh\kapdcob.exe start2

Network

Country Destination Domain Proto
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
NL 13.69.109.130:443 tcp
US 8.8.8.8:53 44.8.109.52.in-addr.arpa udp
NL 8.238.22.254:80 tcp
NL 8.238.22.254:80 tcp
NL 8.238.22.254:80 tcp
NL 173.223.113.164:443 tcp

Files

memory/4964-133-0x0000000000400000-0x000000000044E000-memory.dmp

memory/4964-134-0x00000000004F0000-0x00000000004F4000-memory.dmp

memory/4964-135-0x0000000000400000-0x000000000044E000-memory.dmp

memory/4964-145-0x0000000000400000-0x000000000044E000-memory.dmp

C:\ProgramData\makh\kapdcob.exe

MD5 ad08584c525066f399a30dd03f4ca596
SHA1 ced14e862f8bb80de80c11bc02b4e4d4a0834389
SHA256 e53dc87e496e8b9e798419bbbdc6ab953d7f1d08a54546cb3b2aabced1b88bed
SHA512 40d435cd785280e6dd6dd3eb914da9249fe8a11fd7ecc78b1a3672de3843e9efd39676d898af8bb0cf376e50c6c7d91f2df8081d94906437e611e5ca87bd2ae8

C:\ProgramData\makh\kapdcob.exe

MD5 ad08584c525066f399a30dd03f4ca596
SHA1 ced14e862f8bb80de80c11bc02b4e4d4a0834389
SHA256 e53dc87e496e8b9e798419bbbdc6ab953d7f1d08a54546cb3b2aabced1b88bed
SHA512 40d435cd785280e6dd6dd3eb914da9249fe8a11fd7ecc78b1a3672de3843e9efd39676d898af8bb0cf376e50c6c7d91f2df8081d94906437e611e5ca87bd2ae8

memory/116-148-0x0000000000400000-0x000000000044E000-memory.dmp

memory/116-149-0x0000000000400000-0x000000000044E000-memory.dmp