modiloader | c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371

General

Target

c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
Size

192KB
MD5

a679a646763509ae2daebc558e7f7349
SHA1

7847405318d77ed2ecc355af6d0afcd4f7edfc63
SHA256

c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371
SHA512

07d035509f6f0dd4b2e850caa4383b58bac198d9f3db3b78b023fc94641348a66aa86359c2da07b2059e7b71c4b13dadffcbd22f9a60defd88ae0a8e4a875060
SSDEEP

3072:P+ZLGuZ4IXX0dt9KK0XRnBGD8socz9wsaNz9odTdsCVPZasGstlUJ6gu+FElNrMi:P+ouZ4MWt9KK6nyoc4zkTm+estlUsLk0

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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1180-62-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1180-63-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1180-67-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1228-78-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1228-79-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid process

880 mstwain32.exe
1228 mstwain32.exe

pid	process
880	mstwain32.exe
1228	mstwain32.exe

UPX packed file 8 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1180-57-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1180-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1180-62-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1180-63-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1180-67-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1228-77-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1228-78-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1228-79-0x0000000000400000-0x0000000000450000-memory.dmp	upx

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-1-5-21-1214520366-621468234-4062160515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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:

c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.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 SetThreadContext 2 IoCs

Processes:

c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exemstwain32.exe

description	pid	process	target process
PID 1516 set thread context of 1180	1516	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
PID 880 set thread context of 1228	880	mstwain32.exe	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
File opened for modification	C:\Windows\mstwain32.exe	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.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:

c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	1180	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
Token: SeBackupPrivilege	668	vssvc.exe
Token: SeRestorePrivilege	668	vssvc.exe
Token: SeAuditPrivilege	668	vssvc.exe
Token: SeDebugPrivilege	1228	mstwain32.exe
Token: SeDebugPrivilege	1228	mstwain32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe

pid process

1180 c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1228 mstwain32.exe
1228 mstwain32.exe

pid	process
1180	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe

pid	process
1228	mstwain32.exe
1228	mstwain32.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exec779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exemstwain32.exe

description	pid	process	target process
PID 1516 wrote to memory of 1180	1516	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
PID 1516 wrote to memory of 1180	1516	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
PID 1516 wrote to memory of 1180	1516	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
PID 1516 wrote to memory of 1180	1516	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
PID 1516 wrote to memory of 1180	1516	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
PID 1516 wrote to memory of 1180	1516	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
PID 1180 wrote to memory of 880	1180	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	mstwain32.exe
PID 1180 wrote to memory of 880	1180	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	mstwain32.exe
PID 1180 wrote to memory of 880	1180	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	mstwain32.exe
PID 1180 wrote to memory of 880	1180	c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe	mstwain32.exe
PID 880 wrote to memory of 1228	880	mstwain32.exe	mstwain32.exe
PID 880 wrote to memory of 1228	880	mstwain32.exe	mstwain32.exe
PID 880 wrote to memory of 1228	880	mstwain32.exe	mstwain32.exe
PID 880 wrote to memory of 1228	880	mstwain32.exe	mstwain32.exe
PID 880 wrote to memory of 1228	880	mstwain32.exe	mstwain32.exe
PID 880 wrote to memory of 1228	880	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\c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
"C:\Users\Admin\AppData\Local\Temp\c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1516

C:\Users\Admin\AppData\Local\Temp\c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
C:\Users\Admin\AppData\Local\Temp\c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371.exe
2⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1180

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:880

C:\Windows\mstwain32.exe
C:\Windows\mstwain32.exe
4⤵
- UAC bypass
- Executes dropped EXE
- 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:1228

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:668

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\mstwain32.exe
Filesize
192KB

MD5
a679a646763509ae2daebc558e7f7349

SHA1
7847405318d77ed2ecc355af6d0afcd4f7edfc63

SHA256
c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371

SHA512
07d035509f6f0dd4b2e850caa4383b58bac198d9f3db3b78b023fc94641348a66aa86359c2da07b2059e7b71c4b13dadffcbd22f9a60defd88ae0a8e4a875060

Download Submit
C:\Windows\mstwain32.exe
Filesize
192KB

MD5
a679a646763509ae2daebc558e7f7349

SHA1
7847405318d77ed2ecc355af6d0afcd4f7edfc63

SHA256
c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371

SHA512
07d035509f6f0dd4b2e850caa4383b58bac198d9f3db3b78b023fc94641348a66aa86359c2da07b2059e7b71c4b13dadffcbd22f9a60defd88ae0a8e4a875060

Download Submit
C:\Windows\mstwain32.exe
Filesize
192KB

MD5
a679a646763509ae2daebc558e7f7349

SHA1
7847405318d77ed2ecc355af6d0afcd4f7edfc63

SHA256
c779f6149a1d3b2d770ac40fc9b1b11c276d8feb327cd836c09b24f075900371

SHA512
07d035509f6f0dd4b2e850caa4383b58bac198d9f3db3b78b023fc94641348a66aa86359c2da07b2059e7b71c4b13dadffcbd22f9a60defd88ae0a8e4a875060

Download Submit
memory/880-65-0x0000000000000000-mapping.dmp

Download
memory/1180-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1180-55-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1180-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1180-64-0x0000000074051000-0x0000000074053000-memory.dmp

Filesize
8KB

Download
memory/1180-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1180-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1180-58-0x000000000044D810-mapping.dmp

Download
memory/1180-57-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1228-77-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1228-73-0x000000000044D810-mapping.dmp

Download
memory/1228-78-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1228-79-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1228-80-0x00000000005B0000-0x00000000005BE000-memory.dmp

Filesize
56KB

Download
memory/1516-54-0x0000000074FA1000-0x0000000074FA3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads