Malware Analysis Report

2024-10-23 19:36

Sample ID 240506-q6sdqsde4w
Target 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118
SHA256 263395ea613f77e2632304baacad0f464f47a38eb88f1c3884fab91f3ec9fa3c
Tags
modiloader evasion persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

263395ea613f77e2632304baacad0f464f47a38eb88f1c3884fab91f3ec9fa3c

Threat Level: Known bad

The file 1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

modiloader evasion persistence trojan

UAC bypass

ModiLoader Second Stage

Modiloader family

ModiLoader, DBatLoader

ModiLoader Second Stage

Deletes itself

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Checks whether UAC is enabled

Adds Run key to start application

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

System policy modification

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Uses Volume Shadow Copy service COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-06 13:52

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: behavioral2

Detonation Overview

Submitted

2024-05-06 13:52

Reported

2024-05-06 13:55

Platform

win10v2004-20240419-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_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:\Windows\mstwain32.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
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Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A
N/A N/A C:\Windows\mstwain32.exe N/A
N/A N/A C:\Windows\mstwain32.exe N/A
N/A N/A C:\Windows\mstwain32.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" C:\Windows\mstwain32.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\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\mstwain32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\mstwain32.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe N/A
File opened for modification C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe N/A
File created C:\Windows\ntdtcstp.dll C:\Windows\mstwain32.exe N/A
File created C:\Windows\cmsetac.dll C:\Windows\mstwain32.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_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:\Windows\mstwain32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\mstwain32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A
N/A N/A C:\Windows\mstwain32.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:\Windows\mstwain32.exe N/A

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\mstwain32.exe

"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 107.211.222.173.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 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
TR 88.228.213.204:15963 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 139.53.16.96.in-addr.arpa udp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
TR 88.228.213.204:15963 tcp
US 8.8.8.8:53 48.251.17.2.in-addr.arpa udp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
TR 88.228.213.204:15963 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp

Files

memory/1368-0-0x0000000000620000-0x0000000000621000-memory.dmp

C:\Windows\mstwain32.exe

MD5 1cccfd3f39c93723923010dd9a9770ec
SHA1 6ee38483a40755644e151b77161ba5f25389d6de
SHA256 263395ea613f77e2632304baacad0f464f47a38eb88f1c3884fab91f3ec9fa3c
SHA512 a1bc687b1022fcdf583c0b595f7e42fc8b92901076546893036b91f9f763c96da492cc8830b1ec633fe72355e01b17587f7bc3c055417e82296fd342147b0950

memory/1368-12-0x0000000000400000-0x000000000044C000-memory.dmp

C:\Windows\ntdtcstp.dll

MD5 67587e25a971a141628d7f07bd40ffa0
SHA1 76fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA512 6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

memory/1492-20-0x0000000000920000-0x0000000000921000-memory.dmp

memory/1492-24-0x0000000002490000-0x000000000249E000-memory.dmp

C:\Windows\cmsetac.dll

MD5 f39690b9351cfe6d4264efc0d9039dcf
SHA1 82e4808c635a9bfda88102d87379e2d16927f11c
SHA256 681d3afa7d42376d7f8c22da43dceb53cb7b3060181c431a7f49b55bdcef2c42
SHA512 44b97e001a4cb61217a0f8731a1cf6ad00ebc5e8cb6bc865b28e04fa17ec0f4b6fb8215eb1f2c3b91514f2042bb01e23651a4dafc9f6d12f8119f632a26e86b2

memory/1492-27-0x0000000002480000-0x0000000002481000-memory.dmp

memory/1492-28-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-30-0x0000000002490000-0x000000000249E000-memory.dmp

memory/1492-29-0x0000000000970000-0x0000000000978000-memory.dmp

memory/1492-31-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-34-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-37-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-40-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-43-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-46-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-49-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-52-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-55-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-58-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-61-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-64-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1492-67-0x0000000000400000-0x000000000044C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-06 13:52

Reported

2024-05-06 13:55

Platform

win7-20240220-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_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:\Windows\mstwain32.exe N/A

ModiLoader Second Stage

Description Indicator Process Target
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Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" C:\Windows\mstwain32.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\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Windows\mstwain32.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\mstwain32.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\ntdtcstp.dll C:\Windows\mstwain32.exe N/A
File created C:\Windows\cmsetac.dll C:\Windows\mstwain32.exe N/A
File created C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe N/A
File opened for modification C:\Windows\mstwain32.exe C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_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:\Windows\mstwain32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\mstwain32.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\mstwain32.exe N/A
N/A N/A C:\Windows\mstwain32.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:\Windows\mstwain32.exe N/A

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe"

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

C:\Windows\mstwain32.exe

"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\1cccfd3f39c93723923010dd9a9770ec_JaffaCakes118.exe"

Network

Country Destination Domain Proto
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp
TR 88.228.213.204:15963 tcp

Files

memory/2072-0-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/2072-1-0x0000000002950000-0x0000000002951000-memory.dmp

C:\Windows\mstwain32.exe

MD5 1cccfd3f39c93723923010dd9a9770ec
SHA1 6ee38483a40755644e151b77161ba5f25389d6de
SHA256 263395ea613f77e2632304baacad0f464f47a38eb88f1c3884fab91f3ec9fa3c
SHA512 a1bc687b1022fcdf583c0b595f7e42fc8b92901076546893036b91f9f763c96da492cc8830b1ec633fe72355e01b17587f7bc3c055417e82296fd342147b0950

memory/2072-11-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/1572-16-0x0000000000540000-0x000000000054E000-memory.dmp

memory/1572-19-0x00000000774C0000-0x00000000775B0000-memory.dmp

memory/1572-18-0x00000000774D0000-0x00000000774D1000-memory.dmp

memory/1572-20-0x00000000774C0000-0x00000000775B0000-memory.dmp

memory/1572-22-0x0000000000200000-0x0000000000208000-memory.dmp

memory/1572-21-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-23-0x0000000000540000-0x000000000054E000-memory.dmp

memory/1572-24-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-27-0x00000000774C0000-0x00000000775B0000-memory.dmp

memory/1572-28-0x00000000774C0000-0x00000000775B0000-memory.dmp

memory/1572-29-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-32-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-35-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-39-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-42-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-45-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-48-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-51-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-54-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-57-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-60-0x0000000000400000-0x000000000044C000-memory.dmp

memory/1572-63-0x0000000000400000-0x000000000044C000-memory.dmp