Malware Analysis Report

2024-08-06 14:19

Sample ID 240619-x622hayamc
Target 0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118
SHA256 5be715833a5cdb5badad519b37ab43bec5c54d540146c2da54051429a2bc777d
Tags
themida modiloader evasion 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5be715833a5cdb5badad519b37ab43bec5c54d540146c2da54051429a2bc777d

Threat Level: Known bad

The file 0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

themida modiloader evasion trojan

ModiLoader, DBatLoader

UAC bypass

ModiLoader Second Stage

Themida packer

Loads dropped DLL

Checks whether UAC is enabled

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

System policy modification

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Abuse Elevation Control Mechanism
T1548
Bypass User Account Control
T1548.002
Defense Evasion
TA0005
Abuse Elevation Control Mechanism
T1548
Bypass User Account Control
T1548.002
Impair Defenses
T1562
Disable or Modify Tools
T1562.001
Modify Registry
T1112
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-19 19:28

Signatures

Themida packer

themida
Description Indicator Process Target
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Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-19 19:28

Reported

2024-06-19 19:31

Platform

win7-20240419-en

Max time kernel

141s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe"

Signatures

ModiLoader, DBatLoader

trojan modiloader

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
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Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A

Themida packer

themida
Description Indicator Process Target
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Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 Osuricato.no-ip.org udp

Files

memory/1028-0-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/1028-1-0x0000000001E60000-0x0000000001F42000-memory.dmp

\Users\Admin\AppData\Local\Temp\ntdtcstp.dll

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

memory/1028-6-0x0000000000401000-0x000000000041C000-memory.dmp

memory/1028-8-0x00000000046E0000-0x00000000046EE000-memory.dmp

\Users\Admin\AppData\Local\Temp\cmsetac.dll

MD5 4b0612201bf511ec081dbaa63900b49a
SHA1 68b7f713218a74a7b3e8653f36569265e7886682
SHA256 64a6d7356e795e0c2b362ba8cc0a94e74b8c8bed394482a115be0613d5a1e718
SHA512 ca5cdfecf4166755f218d03c0ba44b5eb318ac9477e9959916cedffe9e7a24fc6b316830877cf198584b6af778dc49f703a838cc6f7aaa6d54ceed817568a6e5

memory/1028-10-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-11-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-12-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-13-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-16-0x00000000046E0000-0x00000000046EE000-memory.dmp

memory/1028-15-0x00000000041A0000-0x00000000041A8000-memory.dmp

memory/1028-14-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-17-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/1028-18-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-19-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-22-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-23-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-26-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-29-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-32-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-35-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-38-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-41-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-44-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-47-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-50-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-53-0x0000000000400000-0x00000000006A2000-memory.dmp

memory/1028-56-0x0000000000400000-0x00000000006A2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 19:28

Reported

2024-06-19 19:31

Platform

win10v2004-20240611-en

Max time kernel

138s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\0024fc02303763c0fada4cc62aedc0c2_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.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 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.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 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4648-0-0x0000000000860000-0x0000000000861000-memory.dmp

memory/4648-1-0x00000000023C0000-0x00000000024A2000-memory.dmp