modiloader | 23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09

General

Target

23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exe
Size

196KB
MD5

c80ca4c9647bd27086411761ddcfec2a
SHA1

0593c9eb97730bce5beebea85a96294a7f26a68a
SHA256

23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09
SHA512

569ba0770b97daef237e51d9a26e2e7268032a2e05b6834d64608070c75fb251290d04ba6bb15b721e9c0260379ce3a2a2f04966af5f7c5d0e1369e57da698af
SSDEEP

6144:3WtW1DSzqB1KoSYGJHe8fAIwgw4lAAx9BhmroBib:3t32oSYGJHe8fAIwgw4lAAx9BhmroBi

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 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5084-136-0x0000000000400000-0x000000000047A000-memory.dmp	modiloader_stage2
behavioral2/memory/2920-139-0x0000000000400000-0x000000000047A000-memory.dmp	modiloader_stage2
behavioral2/memory/2920-143-0x0000000000400000-0x000000000047A000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

2920 mstwain32.exe

pid	process
2920	mstwain32.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/5084-132-0x0000000000400000-0x000000000047A000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
C:\Windows\mstwain32.exe	upx
behavioral2/memory/5084-136-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral2/memory/2920-139-0x0000000000400000-0x000000000047A000-memory.dmp	upx
behavioral2/memory/2920-143-0x0000000000400000-0x000000000047A000-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:

23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

2920 mstwain32.exe
2920 mstwain32.exe
2920 mstwain32.exe
2920 mstwain32.exe

pid	process
2920	mstwain32.exe
2920	mstwain32.exe
2920	mstwain32.exe
2920	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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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:

23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.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.exe23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.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	23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exe
File opened for modification	C:\Windows\mstwain32.exe	23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.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:

23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	5084	23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exe
Token: SeBackupPrivilege	3664	vssvc.exe
Token: SeRestorePrivilege	3664	vssvc.exe
Token: SeAuditPrivilege	3664	vssvc.exe
Token: SeDebugPrivilege	2920	mstwain32.exe
Token: SeDebugPrivilege	2920	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

2920 mstwain32.exe
2920 mstwain32.exe

pid	process
2920	mstwain32.exe
2920	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exe

description	pid	process	target process
PID 5084 wrote to memory of 2920	5084	23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exe	mstwain32.exe
PID 5084 wrote to memory of 2920	5084	23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exe	mstwain32.exe
PID 5084 wrote to memory of 2920	5084	23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.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\23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.exe
"C:\Users\Admin\AppData\Local\Temp\23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09.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:5084

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:2920

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3664

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
d0ad1803f12ac928828fbf6c764c7267

SHA1
a36b948b50229e826cb1860f90b60ca447802e71

SHA256
4774b708e2aa117f35a472e4f1e7131d170788a844f587ae854dd75a9dafb017

SHA512
81b6a60fa51791616687c25eb21add7b7c5244aa941f78483508412275d6ae7294cd06d0130b0b1a5e7adbf09766b05977113e5801158304a7856b0009e9ea67

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

MD5
d0ad1803f12ac928828fbf6c764c7267

SHA1
a36b948b50229e826cb1860f90b60ca447802e71

SHA256
4774b708e2aa117f35a472e4f1e7131d170788a844f587ae854dd75a9dafb017

SHA512
81b6a60fa51791616687c25eb21add7b7c5244aa941f78483508412275d6ae7294cd06d0130b0b1a5e7adbf09766b05977113e5801158304a7856b0009e9ea67

Download Submit
C:\Windows\mstwain32.exe
Filesize
196KB

MD5
c80ca4c9647bd27086411761ddcfec2a

SHA1
0593c9eb97730bce5beebea85a96294a7f26a68a

SHA256
23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09

SHA512
569ba0770b97daef237e51d9a26e2e7268032a2e05b6834d64608070c75fb251290d04ba6bb15b721e9c0260379ce3a2a2f04966af5f7c5d0e1369e57da698af

Download Submit
C:\Windows\mstwain32.exe
Filesize
196KB

MD5
c80ca4c9647bd27086411761ddcfec2a

SHA1
0593c9eb97730bce5beebea85a96294a7f26a68a

SHA256
23855493b6b9ae2835eda231afa3744fd09dbedf849bd20f043b52d29a9b0d09

SHA512
569ba0770b97daef237e51d9a26e2e7268032a2e05b6834d64608070c75fb251290d04ba6bb15b721e9c0260379ce3a2a2f04966af5f7c5d0e1369e57da698af

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/2920-133-0x0000000000000000-mapping.dmp

Download
memory/2920-139-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/2920-142-0x00000000022F0000-0x00000000022FE000-memory.dmp

Filesize
56KB

Download
memory/2920-143-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/5084-132-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/5084-136-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads