modiloader | 9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8

General

Target

9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exe
Size

108KB
MD5

844e569740ff9bd028f5da0f6406b206
SHA1

9a69d0e5ddbee0ed16dcd3eb2c52af19655f1962
SHA256

9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8
SHA512

5d3b9dde61291c6219e59658e13b187d7d6993321e44440ddf67a1ade66d583a4ef033e7cc8250d92fb0480e3efcda7fa2f8c9403a7d3f712fd45851493ce78b
SSDEEP

1536:pVuNAXTj4Fj/91/NnLZqeWEPVpa8DzePjkgcwYS7S5+Vfk09+2HxUnMTsWdinout:Hoy8j7VnNdrPHaSekwi+mW+2uAFgout

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 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3224-132-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3224-136-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3316-142-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/3316-143-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

3316 mstwain32.exe

pid	process
3316	mstwain32.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3224-132-0x0000000000400000-0x0000000000450000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
C:\Windows\mstwain32.exe	upx
behavioral2/memory/3224-136-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3316-142-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3316-143-0x0000000000400000-0x0000000000450000-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:

9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

3316 mstwain32.exe
3316 mstwain32.exe
3316 mstwain32.exe
3316 mstwain32.exe

pid	process
3316	mstwain32.exe
3316	mstwain32.exe
3316	mstwain32.exe
3316	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:

9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.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:

9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exemstwain32.exe

description	ioc	process
File opened for modification	C:\Windows\mstwain32.exe	9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.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:

9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	3224	9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exe
Token: SeBackupPrivilege	524	vssvc.exe
Token: SeRestorePrivilege	524	vssvc.exe
Token: SeAuditPrivilege	524	vssvc.exe
Token: SeDebugPrivilege	3316	mstwain32.exe
Token: SeDebugPrivilege	3316	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

3316 mstwain32.exe
3316 mstwain32.exe

pid	process
3316	mstwain32.exe
3316	mstwain32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exe

description	pid	process	target process
PID 3224 wrote to memory of 3316	3224	9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exe	mstwain32.exe
PID 3224 wrote to memory of 3316	3224	9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exe	mstwain32.exe
PID 3224 wrote to memory of 3316	3224	9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.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\9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.exe
"C:\Users\Admin\AppData\Local\Temp\9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.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:3224

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8.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:3316

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:524

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\cmsetac.dll
Filesize
33KB

MD5
d9d4c097bd7cd79cfb7872c97670e00c

SHA1
30295054d71e738cbbe4eb69597fcdf4ee6337dc

SHA256
9b5e903000237faafd224a6edd3c7f0eac3534752361ca3df307c4d41608c9ac

SHA512
e36e5591a88be937e30ab7ae53baeda01e69d0212b6d2fda3f7298536c3de11d34438baf1ac62e3a2699cc12dc83301ba7ea2dfb5fabe24c57d95799a429af56

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

MD5
d9d4c097bd7cd79cfb7872c97670e00c

SHA1
30295054d71e738cbbe4eb69597fcdf4ee6337dc

SHA256
9b5e903000237faafd224a6edd3c7f0eac3534752361ca3df307c4d41608c9ac

SHA512
e36e5591a88be937e30ab7ae53baeda01e69d0212b6d2fda3f7298536c3de11d34438baf1ac62e3a2699cc12dc83301ba7ea2dfb5fabe24c57d95799a429af56

Download Submit
C:\Windows\mstwain32.exe
Filesize
108KB

MD5
844e569740ff9bd028f5da0f6406b206

SHA1
9a69d0e5ddbee0ed16dcd3eb2c52af19655f1962

SHA256
9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8

SHA512
5d3b9dde61291c6219e59658e13b187d7d6993321e44440ddf67a1ade66d583a4ef033e7cc8250d92fb0480e3efcda7fa2f8c9403a7d3f712fd45851493ce78b

Download Submit
C:\Windows\mstwain32.exe
Filesize
108KB

MD5
844e569740ff9bd028f5da0f6406b206

SHA1
9a69d0e5ddbee0ed16dcd3eb2c52af19655f1962

SHA256
9a321823d67a4bee20585589357f70eaca6c5d71969625e185f56ca67e2166c8

SHA512
5d3b9dde61291c6219e59658e13b187d7d6993321e44440ddf67a1ade66d583a4ef033e7cc8250d92fb0480e3efcda7fa2f8c9403a7d3f712fd45851493ce78b

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/3224-132-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3224-136-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3316-133-0x0000000000000000-mapping.dmp

Download
memory/3316-141-0x0000000003080000-0x000000000308E000-memory.dmp

Filesize
56KB

Download
memory/3316-142-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/3316-143-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads