Malware Analysis Report

2024-08-06 14:02

Sample ID 240616-3r38xayaqk
Target b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118
SHA256 cc4e1f8236bd1a4735bfe060320321ed8e5def39ec81a9368f1ee72293e0ae01
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

cc4e1f8236bd1a4735bfe060320321ed8e5def39ec81a9368f1ee72293e0ae01

Threat Level: Known bad

The file b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

modiloader evasion trojan

ModiLoader, DBatLoader

Modiloader family

UAC bypass

ModiLoader Second Stage

ModiLoader Second Stage

Loads dropped DLL

Checks whether UAC is enabled

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

System policy modification

Uses Volume Shadow Copy service COM API

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

2024-06-16 23:45

Signatures

ModiLoader Second Stage

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

Modiloader family

modiloader

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 23:45

Reported

2024-06-16 23:48

Platform

win7-20240508-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_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\b5cf6e3f29fbc99c1640d0361e853e43_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\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_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\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_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\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 3asba.no-ip.biz udp
US 8.8.8.8:53 3asba.no-ip.biz udp
US 8.8.8.8:53 3asba.no-ip.biz udp
US 8.8.8.8:53 3asba.no-ip.biz udp
US 8.8.8.8:53 3asba.no-ip.biz udp
US 8.8.8.8:53 3asba.no-ip.biz udp
US 8.8.8.8:53 3asba.no-ip.biz udp
US 8.8.8.8:53 3asba.no-ip.biz udp

Files

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

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

memory/1580-4-0x00000000002A0000-0x00000000002A1000-memory.dmp

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

MD5 fe0ee5b8326a63108507e2d4489f15de
SHA1 6b0b9e875887a9440ff40741cb212580638bc57a
SHA256 0553cf06ebe9c1472839a0fe6debbaa34e7dd9b6c0ff0763a4e4ef7085ff05e8
SHA512 7f33fac04c82aebc8a5f6be1a07703be283669227ce00e865351ea0c6debcdfb0a626d75f4989e6b7bedab846bd44320eba67d117be5be7e61e7cc24c1ce8249

memory/1580-6-0x0000000000850000-0x000000000085E000-memory.dmp

memory/1580-8-0x0000000076C40000-0x0000000076C41000-memory.dmp

memory/1580-9-0x0000000076C30000-0x0000000076D20000-memory.dmp

memory/1580-10-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-12-0x0000000000850000-0x000000000085E000-memory.dmp

memory/1580-11-0x00000000002B0000-0x00000000002B8000-memory.dmp

memory/1580-13-0x0000000076C30000-0x0000000076D20000-memory.dmp

memory/1580-14-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-17-0x0000000076C30000-0x0000000076D20000-memory.dmp

memory/1580-18-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-21-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-24-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-27-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-31-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-34-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-37-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-40-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-43-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-46-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-49-0x0000000000400000-0x000000000044B000-memory.dmp

memory/1580-52-0x0000000000400000-0x000000000044B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 23:45

Reported

2024-06-16 23:48

Platform

win10v2004-20240226-en

Max time kernel

144s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_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\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
N/A N/A N/A N/A
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Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_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\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_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\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe N/A

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b5cf6e3f29fbc99c1640d0361e853e43_JaffaCakes118.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.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=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 3asba.no-ip.biz udp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
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 13.107.253.64:443 tcp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
US 8.8.8.8:53 3asba.no-ip.biz udp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 3asba.no-ip.biz udp
TN 197.3.200.189:15963 3asba.no-ip.biz tcp

Files

memory/2772-2-0x0000000000400000-0x000000000044B000-memory.dmp

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

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

memory/2772-8-0x00000000021D0000-0x00000000021D1000-memory.dmp

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

MD5 fe0ee5b8326a63108507e2d4489f15de
SHA1 6b0b9e875887a9440ff40741cb212580638bc57a
SHA256 0553cf06ebe9c1472839a0fe6debbaa34e7dd9b6c0ff0763a4e4ef7085ff05e8
SHA512 7f33fac04c82aebc8a5f6be1a07703be283669227ce00e865351ea0c6debcdfb0a626d75f4989e6b7bedab846bd44320eba67d117be5be7e61e7cc24c1ce8249

memory/2772-12-0x00000000035D0000-0x00000000035DE000-memory.dmp

memory/2772-15-0x0000000003480000-0x0000000003481000-memory.dmp

memory/2772-16-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-18-0x00000000035D0000-0x00000000035DE000-memory.dmp

memory/2772-17-0x0000000002200000-0x0000000002208000-memory.dmp

memory/2772-19-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-22-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-25-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-28-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-31-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-34-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-37-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-40-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-43-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-46-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-49-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2772-52-0x0000000000400000-0x000000000044B000-memory.dmp