modiloader | 955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55

General

Target

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe
Size

108KB
MD5

54935b927972df9fbc9a8e880fb62fad
SHA1

695416fa4ed2c2152845280d80443e8eb8151005
SHA256

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55
SHA512

ca9541428c229cf8b7a67ef4158bcb7d694715e346f66f74f694105be79035d77a2fd9e8758284890235a4d8192e3c101b47f574872705dc5c76def4cd282e7d
SSDEEP

1536:5VuNAXTj4Fj/91/NnLZqeWEPVpa8DzePjkgcwYS7S5+Vfk09+2oUZ7vunouy8:3oy8j7VnNdrPHaSekwi+mW+2NZ7Gout

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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3788-136-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3292-142-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

3292 mstwain32.exe

pid	process
3292	mstwain32.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3788-132-0x0000000000400000-0x0000000000450000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
C:\Windows\mstwain32.exe	upx
behavioral2/memory/3788-136-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3292-142-0x0000000000400000-0x0000000000450000-memory.dmp	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:

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

3292 mstwain32.exe
3292 mstwain32.exe
3292 mstwain32.exe
3292 mstwain32.exe

pid	process
3292	mstwain32.exe
3292	mstwain32.exe
3292	mstwain32.exe
3292	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-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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:

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.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.exe955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.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	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe
File opened for modification	C:\Windows\mstwain32.exe	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.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 3 IoCs

Processes:

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	3788	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe
Token: SeDebugPrivilege	3292	mstwain32.exe
Token: SeDebugPrivilege	3292	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

3292 mstwain32.exe
3292 mstwain32.exe

pid	process
3292	mstwain32.exe
3292	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe

description	pid	process	target process
PID 3788 wrote to memory of 3292	3788	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe	mstwain32.exe
PID 3788 wrote to memory of 3292	3788	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe	mstwain32.exe
PID 3788 wrote to memory of 3292	3788	955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.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\955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.exe
"C:\Users\Admin\AppData\Local\Temp\955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55.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:3788

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
2⤵
- 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:3292

Network

MITRE ATT&CK Enterprise 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

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
7c3ff4d4d394fde7c693d04c488a55f8

SHA1
ae2b2acc7e91a910f9075e0e095b528e97827ba4

SHA256
4878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8

SHA512
33c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a

Download Submit
C:\Windows\cmsetac.dll

Filesize
33KB

MD5
7c3ff4d4d394fde7c693d04c488a55f8

SHA1
ae2b2acc7e91a910f9075e0e095b528e97827ba4

SHA256
4878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8

SHA512
33c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a

Download Submit
C:\Windows\mstwain32.exe

Filesize
108KB

MD5
54935b927972df9fbc9a8e880fb62fad

SHA1
695416fa4ed2c2152845280d80443e8eb8151005

SHA256
955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55

SHA512
ca9541428c229cf8b7a67ef4158bcb7d694715e346f66f74f694105be79035d77a2fd9e8758284890235a4d8192e3c101b47f574872705dc5c76def4cd282e7d

Download Submit
C:\Windows\mstwain32.exe

Filesize
108KB

MD5
54935b927972df9fbc9a8e880fb62fad

SHA1
695416fa4ed2c2152845280d80443e8eb8151005

SHA256
955b129de18dc8aa8cadddc64931977214c8f0315e061325a50c671cf4ea6a55

SHA512
ca9541428c229cf8b7a67ef4158bcb7d694715e346f66f74f694105be79035d77a2fd9e8758284890235a4d8192e3c101b47f574872705dc5c76def4cd282e7d

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/3292-133-0x0000000000000000-mapping.dmp

Download
memory/3292-141-0x0000000003080000-0x000000000308E000-memory.dmp

Filesize
56KB

Download
memory/3292-142-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3788-132-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3788-136-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads