modiloader | fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d

General

Target

fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
Size

814KB
MD5

36fd147d72a828a8e27e67d7cdeb6ea8
SHA1

b0e2fe725bca8b3fa1662593badea600aba0ab9e
SHA256

fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d
SHA512

598c85eff664e040732c7a25fad06219d499de6409237ad2efa6f5eda2e03ea1ee832d1f7e622533569d8e717544b7bff085ef74fadc33d81e713012e9e484f6
SSDEEP

24576:XMmnDC+d2hEv8W8CcQy2U1y4UZEj0Zpu4i:XjDCayEEZKyvcBZsauF

Score

10^/10

modiloader evasion persistence trojan upx

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

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 9 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2264-134-0x0000000000400000-0x0000000000473000-memory.dmp	modiloader_stage2
behavioral2/memory/2264-135-0x0000000000400000-0x0000000000473000-memory.dmp	modiloader_stage2
behavioral2/memory/2264-137-0x0000000000400000-0x0000000000473000-memory.dmp	modiloader_stage2
behavioral2/memory/2264-141-0x0000000000400000-0x0000000000473000-memory.dmp	modiloader_stage2
behavioral2/memory/1444-143-0x0000000000400000-0x0000000000473000-memory.dmp	modiloader_stage2
behavioral2/memory/1444-146-0x0000000000400000-0x0000000000473000-memory.dmp	modiloader_stage2
behavioral2/memory/1444-153-0x0000000000400000-0x0000000000473000-memory.dmp	modiloader_stage2
behavioral2/memory/1444-154-0x0000000000400000-0x0000000000473000-memory.dmp	modiloader_stage2
behavioral2/memory/1444-155-0x0000000000400000-0x0000000000473000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid process

3092 mstwain32.exe
1444 mstwain32.exe

pid	process
3092	mstwain32.exe
1444	mstwain32.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1828-132-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/1828-136-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
C:\Windows\mstwain32.exe	upx
behavioral2/memory/3092-147-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx

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:

fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

1444 mstwain32.exe
1444 mstwain32.exe
1444 mstwain32.exe
1444 mstwain32.exe

pid	process
1444	mstwain32.exe
1444	mstwain32.exe
1444	mstwain32.exe
1444	mstwain32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mstwain32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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:

fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.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

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/1828-132-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral2/memory/1828-136-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral2/memory/3092-147-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

mstwain32.exe

description pid process target process

PID 3092 set thread context of 1444 3092 mstwain32.exe mstwain32.exe

description	pid	process	target process
PID 3092 set thread context of 1444	3092	mstwain32.exe	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
File opened for modification	C:\Windows\mstwain32.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.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 use of AdjustPrivilegeToken 6 IoCs

Processes:

fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	2264	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
Token: SeBackupPrivilege	4832	vssvc.exe
Token: SeRestorePrivilege	4832	vssvc.exe
Token: SeAuditPrivilege	4832	vssvc.exe
Token: SeDebugPrivilege	1444	mstwain32.exe
Token: SeDebugPrivilege	1444	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1444 mstwain32.exe
1444 mstwain32.exe

pid	process
1444	mstwain32.exe
1444	mstwain32.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exefc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exemstwain32.exe

description	pid	process	target process
PID 1828 wrote to memory of 2264	1828	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
PID 1828 wrote to memory of 2264	1828	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
PID 1828 wrote to memory of 2264	1828	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
PID 1828 wrote to memory of 2264	1828	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
PID 1828 wrote to memory of 2264	1828	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
PID 1828 wrote to memory of 2264	1828	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
PID 1828 wrote to memory of 2264	1828	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
PID 1828 wrote to memory of 2264	1828	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
PID 1828 wrote to memory of 2264	1828	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
PID 1828 wrote to memory of 2264	1828	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
PID 2264 wrote to memory of 3092	2264	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	mstwain32.exe
PID 2264 wrote to memory of 3092	2264	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	mstwain32.exe
PID 2264 wrote to memory of 3092	2264	fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe	mstwain32.exe
PID 3092 wrote to memory of 1444	3092	mstwain32.exe	mstwain32.exe
PID 3092 wrote to memory of 1444	3092	mstwain32.exe	mstwain32.exe
PID 3092 wrote to memory of 1444	3092	mstwain32.exe	mstwain32.exe
PID 3092 wrote to memory of 1444	3092	mstwain32.exe	mstwain32.exe
PID 3092 wrote to memory of 1444	3092	mstwain32.exe	mstwain32.exe
PID 3092 wrote to memory of 1444	3092	mstwain32.exe	mstwain32.exe
PID 3092 wrote to memory of 1444	3092	mstwain32.exe	mstwain32.exe
PID 3092 wrote to memory of 1444	3092	mstwain32.exe	mstwain32.exe
PID 3092 wrote to memory of 1444	3092	mstwain32.exe	mstwain32.exe
PID 3092 wrote to memory of 1444	3092	mstwain32.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

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

C:\Users\Admin\AppData\Local\Temp\fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
"C:\Users\Admin\AppData\Local\Temp\fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1828

C:\Users\Admin\AppData\Local\Temp\fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe
"C:\Users\Admin\AppData\Local\Temp\fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d.exe"
2⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3092

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
4⤵
- UAC bypass
- 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:1444

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4832

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Modify Registry

3

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
c018dc73e0d286e33643d33845009612

SHA1
ded31030562b53e9b444ff58647ca76fb8efc104

SHA256
5a4099618be72f80e05f1a27215a0f04af28344b274e34d501fed81bdf8ecc27

SHA512
6659d77754e176a3d3eae809f39cbc3e96d16493103bc883e0cb6d5453ac5db1359c48ce82e3791cbdae498a70bd150f87638acc6aec9b468556c70736f2a4bf

Download Submit
C:\Windows\cmsetac.dll
Filesize
33KB

MD5
c018dc73e0d286e33643d33845009612

SHA1
ded31030562b53e9b444ff58647ca76fb8efc104

SHA256
5a4099618be72f80e05f1a27215a0f04af28344b274e34d501fed81bdf8ecc27

SHA512
6659d77754e176a3d3eae809f39cbc3e96d16493103bc883e0cb6d5453ac5db1359c48ce82e3791cbdae498a70bd150f87638acc6aec9b468556c70736f2a4bf

Download Submit
C:\Windows\mstwain32.exe
Filesize
814KB

MD5
36fd147d72a828a8e27e67d7cdeb6ea8

SHA1
b0e2fe725bca8b3fa1662593badea600aba0ab9e

SHA256
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d

SHA512
598c85eff664e040732c7a25fad06219d499de6409237ad2efa6f5eda2e03ea1ee832d1f7e622533569d8e717544b7bff085ef74fadc33d81e713012e9e484f6

Download Submit
C:\Windows\mstwain32.exe
Filesize
814KB

MD5
36fd147d72a828a8e27e67d7cdeb6ea8

SHA1
b0e2fe725bca8b3fa1662593badea600aba0ab9e

SHA256
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d

SHA512
598c85eff664e040732c7a25fad06219d499de6409237ad2efa6f5eda2e03ea1ee832d1f7e622533569d8e717544b7bff085ef74fadc33d81e713012e9e484f6

Download Submit
C:\Windows\mstwain32.exe
Filesize
814KB

MD5
36fd147d72a828a8e27e67d7cdeb6ea8

SHA1
b0e2fe725bca8b3fa1662593badea600aba0ab9e

SHA256
fc384c5a8db431b176fe1144806524016cc8899d41562cb297ac24424b7a3c4d

SHA512
598c85eff664e040732c7a25fad06219d499de6409237ad2efa6f5eda2e03ea1ee832d1f7e622533569d8e717544b7bff085ef74fadc33d81e713012e9e484f6

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

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

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

MD5
67587e25a971a141628d7f07bd40ffa0

SHA1
76fcd014539a3bb247cc0b761225f68bd6055f6b

SHA256
e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

SHA512
6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

Download Submit
memory/1444-142-0x0000000000000000-mapping.dmp

Download
memory/1444-146-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1444-155-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1444-154-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1444-143-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1444-153-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/1444-152-0x00000000025A0000-0x00000000025AE000-memory.dmp

Filesize
56KB

Download
memory/1828-136-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/1828-132-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2264-135-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/2264-134-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/2264-137-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/2264-133-0x0000000000000000-mapping.dmp

Download
memory/2264-141-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/3092-138-0x0000000000000000-mapping.dmp

Download
memory/3092-147-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads