modiloader | 94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04

General

Target

94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe
Size

1.0MB
MD5

ea152391202b4fcef52ec714ae5684bb
SHA1

0646192dd09e55ab2958fb753fc801d1ff293dcc
SHA256

94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04
SHA512

0940fb9e270d180d5b1b68b7db15425d20ba314a41da7042b07008312fa98ffbce21c78ca677b22eaea2e4b7b1b58fe9d38aa1483a93ef00cce1f5d9d3d83048
SSDEEP

24576:0cNJP38kXIxRkm0BCRLo50WD15X8ezAMPZWWPItL9wuWm7I1vq53b2:0cTPMkMRp5ORnXyG8tLPWm7aq53b2

Score

10^/10

modiloader evasion themida 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

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

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

ModiLoader Second Stage 6 IoCs

resource	yara_rule
behavioral1/memory/1608-56-0x0000000000400000-0x0000000000514000-memory.dmp	modiloader_stage2
behavioral1/memory/1608-57-0x0000000000400000-0x0000000000514000-memory.dmp	modiloader_stage2
behavioral1/memory/1608-60-0x0000000000400000-0x0000000000514000-memory.dmp	modiloader_stage2
behavioral1/memory/1968-64-0x0000000000400000-0x0000000000514000-memory.dmp	modiloader_stage2
behavioral1/memory/1968-65-0x0000000000400000-0x0000000000514000-memory.dmp	modiloader_stage2
behavioral1/memory/1968-66-0x0000000000400000-0x0000000000514000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

pid	Process
1968	mstwain32.exe

Deletes itself 1 IoCs

pid	Process
1968	mstwain32.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Wine	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Wine	mstwain32.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1608-54-0x0000000000400000-0x0000000000514000-memory.dmp	themida
behavioral1/memory/1608-56-0x0000000000400000-0x0000000000514000-memory.dmp	themida
behavioral1/memory/1608-57-0x0000000000400000-0x0000000000514000-memory.dmp	themida
behavioral1/files/0x00060000000055d8-59.dat	themida
behavioral1/memory/1608-60-0x0000000000400000-0x0000000000514000-memory.dmp	themida
behavioral1/memory/1968-61-0x0000000000400000-0x0000000000514000-memory.dmp	themida
behavioral1/memory/1968-64-0x0000000000400000-0x0000000000514000-memory.dmp	themida
behavioral1/memory/1968-65-0x0000000000400000-0x0000000000514000-memory.dmp	themida
behavioral1/memory/1968-66-0x0000000000400000-0x0000000000514000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.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

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1608	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe
1968	mstwain32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe
File opened for modification	C:\Windows\mstwain32.exe	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1608	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe
1968	mstwain32.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1608	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe
Token: SeBackupPrivilege	2020	vssvc.exe
Token: SeRestorePrivilege	2020	vssvc.exe
Token: SeAuditPrivilege	2020	vssvc.exe
Token: SeDebugPrivilege	1968	mstwain32.exe
Token: SeDebugPrivilege	1968	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1968	mstwain32.exe
1968	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 1968	1608	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe	29
PID 1608 wrote to memory of 1968	1608	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe	29
PID 1608 wrote to memory of 1968	1608	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe	29
PID 1608 wrote to memory of 1968	1608	94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe	29

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe
"C:\Users\Admin\AppData\Local\Temp\94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe"
1⤵
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\mstwain32.exe
  "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Deletes itself
  - Identifies Wine through registry keys
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:1968

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe

Filesize
1.0MB

MD5
ea152391202b4fcef52ec714ae5684bb

SHA1
0646192dd09e55ab2958fb753fc801d1ff293dcc

SHA256
94d9aab8b2afbd6321cdc1d71cf61e2ca6396d7374221335cc6a7ea7bbae3e04

SHA512
0940fb9e270d180d5b1b68b7db15425d20ba314a41da7042b07008312fa98ffbce21c78ca677b22eaea2e4b7b1b58fe9d38aa1483a93ef00cce1f5d9d3d83048

Download Submit
memory/1608-54-0x0000000000400000-0x0000000000514000-memory.dmp

Filesize
1.1MB

Download
memory/1608-55-0x0000000075A91000-0x0000000075A93000-memory.dmp

Filesize
8KB

Download
memory/1608-56-0x0000000000400000-0x0000000000514000-memory.dmp

Filesize
1.1MB

Download
memory/1608-57-0x0000000000400000-0x0000000000514000-memory.dmp

Filesize
1.1MB

Download
memory/1608-60-0x0000000000400000-0x0000000000514000-memory.dmp

Filesize
1.1MB

Download
memory/1968-61-0x0000000000400000-0x0000000000514000-memory.dmp

Filesize
1.1MB

Download
memory/1968-63-0x00000000043F0000-0x00000000043FE000-memory.dmp

Filesize
56KB

Download
memory/1968-64-0x0000000000400000-0x0000000000514000-memory.dmp

Filesize
1.1MB

Download
memory/1968-65-0x0000000000400000-0x0000000000514000-memory.dmp

Filesize
1.1MB

Download
memory/1968-66-0x0000000000400000-0x0000000000514000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads