modiloader | 3933a3af1144f7d0ff241a498a0c2c27f45ee6a7cdd25ed2d69d06ec19ad203f

General

Target

469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe
Size

270KB
MD5

469ffecbb827ac8699f067e3a3df1dfb
SHA1

33c6ffd0aee5cfaa9e7e0a8d30ce19ac85648765
SHA256

3933a3af1144f7d0ff241a498a0c2c27f45ee6a7cdd25ed2d69d06ec19ad203f
SHA512

487b0f3d096a353b6f2b1542e3c30cf7b2dde20f51f8e213d886f7b828f60b304dbcb3ec52b8f5aeac24fdd7a01c05dc65a35395cb85faae0b9be8b128c921a3
SSDEEP

6144:qGyjnBSkuV1d4eZd88ORJIf/wTB4R53yrpc:5YnBSkuVUeZdYqwTN

Score

10^/10

modiloader evasion persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

mstwain32.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 16 IoCs

Processes:

resource	yara_rule
C:\Windows\mstwain32.exe	modiloader_stage2
behavioral2/memory/4964-10-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-27-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-30-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-33-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-36-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-39-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-42-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-45-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-48-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-51-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-54-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-57-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-60-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-63-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2
behavioral2/memory/3544-66-0x0000000000400000-0x000000000044B000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

mstwain32.exe

pid process

3544 mstwain32.exe
Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

3544 mstwain32.exe
Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

3544 mstwain32.exe
3544 mstwain32.exe
3544 mstwain32.exe
3544 mstwain32.exe

pid	process
3544	mstwain32.exe

pid	process
3544	mstwain32.exe

pid	process
3544	mstwain32.exe
3544	mstwain32.exe
3544	mstwain32.exe
3544	mstwain32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

mstwain32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

mstwain32.exe469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	4964	469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe
Token: SeBackupPrivilege	3600	vssvc.exe
Token: SeRestorePrivilege	3600	vssvc.exe
Token: SeAuditPrivilege	3600	vssvc.exe
Token: SeDebugPrivilege	3544	mstwain32.exe
Token: SeDebugPrivilege	3544	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

3544 mstwain32.exe
3544 mstwain32.exe

pid	process
3544	mstwain32.exe
3544	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe

description	pid	process	target process
PID 4964 wrote to memory of 3544	4964	469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe	mstwain32.exe
PID 4964 wrote to memory of 3544	4964	469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe	mstwain32.exe
PID 4964 wrote to memory of 3544	4964	469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe	mstwain32.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

mstwain32.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\469ffecbb827ac8699f067e3a3df1dfb_JaffaCakes118.exe"
2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:3544

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3600

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 --field-trial-handle=1316,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4584 /prefetch:8
1⤵
PID:3488

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\cmsetac.dll
Filesize
32KB

MD5
352cc0e89652b04a5b440430f4d76811

SHA1
36c7cbd8a99c4df6ad90d09c7ee6344af9c1de1d

SHA256
677c526d948adc14ee91adce2cb2c1a316dfd2209a49f6f22f0070ddac3e1811

SHA512
7de36bd700018383be078ba3ef342c6b1e4c41df8d223c70412493bbf4feb6dbe6b068279ead4b5b21edfcc0a2cbf3850b6eec682edbef7518c4d3d8a25c84de

Download Submit
C:\Windows\mstwain32.exe
Filesize
270KB

MD5
469ffecbb827ac8699f067e3a3df1dfb

SHA1
33c6ffd0aee5cfaa9e7e0a8d30ce19ac85648765

SHA256
3933a3af1144f7d0ff241a498a0c2c27f45ee6a7cdd25ed2d69d06ec19ad203f

SHA512
487b0f3d096a353b6f2b1542e3c30cf7b2dde20f51f8e213d886f7b828f60b304dbcb3ec52b8f5aeac24fdd7a01c05dc65a35395cb85faae0b9be8b128c921a3

Download Submit
C:\Windows\ntdtcstp.dll
Filesize
7KB

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/3544-33-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-39-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-22-0x0000000002490000-0x000000000249E000-memory.dmp

Filesize
56KB

Download
memory/3544-66-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-26-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/3544-27-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-29-0x0000000002490000-0x000000000249E000-memory.dmp

Filesize
56KB

Download
memory/3544-28-0x00000000004E0000-0x00000000004E8000-memory.dmp

Filesize
32KB

Download
memory/3544-30-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-63-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-36-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-25-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/3544-42-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-45-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-51-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-54-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-57-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/3544-60-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4964-0-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/4964-10-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads