Malware Analysis Report

2024-08-06 14:18

Sample ID 240619-xvfn5ascjn
Target 001c6d7420b934f508dca238a1ea5d50_JaffaCakes118
SHA256 7e25b1d62c05e19a84ac7716328bc5f5bbe2130272f97a91e559f96f8c0db5d7
Tags
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

7e25b1d62c05e19a84ac7716328bc5f5bbe2130272f97a91e559f96f8c0db5d7

Threat Level: Known bad

The file 001c6d7420b934f508dca238a1ea5d50_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

modiloader evasion trojan

ModiLoader, DBatLoader

UAC bypass

ModiLoader Second Stage

Identifies Wine through registry keys

Loads dropped DLL

Checks whether UAC is enabled

Drops file in Windows directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

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
Virtualization/Sandbox Evasion
T1497
Credential Access
TA0006
Discovery
TA0007
Query Registry
T1012
Virtualization/Sandbox Evasion
T1497
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 19:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-19 19:10

Reported

2024-06-19 19:12

Platform

win7-20240611-en

Max time kernel

150s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_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\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
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Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A

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\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\VMPipe32.dll C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_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\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp
N/A 127.0.0.1:15963 tcp

Files

memory/1200-0-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-1-0x0000000000401000-0x000000000041C000-memory.dmp

memory/1200-3-0x0000000000400000-0x00000000004DC000-memory.dmp

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

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

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

MD5 f8df74581528a50080e53ea0335d375b
SHA1 04bb0229ce37d3369418c0057f52d086f669d61c
SHA256 4f71a5f1bf96385041f803ffa0a3a353d6a61200a3f36304ffa6f8bbf91c7ed6
SHA512 9167f929db3dc5061b95100e41ffcef0ed7cd87746c4d6b6da2f56c0edf4299702a9ad3447c1e1fb07407f00e6cc54d1e747ce866f4f96f399f71cefba45fb3c

memory/1200-9-0x0000000004E10000-0x0000000004E1E000-memory.dmp

memory/1200-11-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-12-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-15-0x0000000004E10000-0x0000000004E1E000-memory.dmp

memory/1200-14-0x0000000003B60000-0x0000000003B68000-memory.dmp

memory/1200-13-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-16-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-17-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-18-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-21-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-22-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-25-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-28-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-31-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-34-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-37-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-40-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-43-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-46-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-49-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-52-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/1200-55-0x0000000000400000-0x00000000004DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 19:10

Reported

2024-06-19 19:13

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe"

Signatures

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\001c6d7420b934f508dca238a1ea5d50_JaffaCakes118.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=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
GB 142.250.187.202:443 tcp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 164.189.21.2.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 168.117.168.52.in-addr.arpa udp

Files

memory/3932-0-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/3932-1-0x0000000000400000-0x00000000004DC000-memory.dmp