modiloader | e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2

General

Target

e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exe
Size

111KB
MD5

afd7ad12b3f4c2676da520fbe84cc185
SHA1

73515eca129734ad7bd47b72cb4f6062445e6250
SHA256

e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2
SHA512

7b20c31732571b58b05e1ec404585143a1552ffc65d91b441faef1a564c81c5672cf992fd55bda6e56ad0507bf6cb4539ff79aab2c32c303f4bbdc004150b28c
SSDEEP

3072:3oy8j7VnNdrPHaSekwi+mW+22QCF8Kelout:n8jZ7rvaU3+mWr2QCF8KUoS

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
behavioral1/memory/2036-58-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1144-61-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1144-62-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

mstwain32.exe

pid process

1144 mstwain32.exe

pid	process
1144	mstwain32.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2036-54-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2036-58-0x0000000000400000-0x0000000000450000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral1/memory/1144-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1144-62-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

mstwain32.exe

pid process

1144 mstwain32.exe

pid	process
1144	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-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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:

e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.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:

e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exemstwain32.exe

description	ioc	process
File created	C:\Windows\mstwain32.exe	e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exe
File opened for modification	C:\Windows\mstwain32.exe	e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.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:

e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exevssvc.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	2036	e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exe
Token: SeBackupPrivilege	1312	vssvc.exe
Token: SeRestorePrivilege	1312	vssvc.exe
Token: SeAuditPrivilege	1312	vssvc.exe
Token: SeDebugPrivilege	1144	mstwain32.exe
Token: SeDebugPrivilege	1144	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

1144 mstwain32.exe
1144 mstwain32.exe

pid	process
1144	mstwain32.exe
1144	mstwain32.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exe

description	pid	process	target process
PID 2036 wrote to memory of 1144	2036	e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exe	mstwain32.exe
PID 2036 wrote to memory of 1144	2036	e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exe	mstwain32.exe
PID 2036 wrote to memory of 1144	2036	e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exe	mstwain32.exe
PID 2036 wrote to memory of 1144	2036	e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.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\e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exe
"C:\Users\Admin\AppData\Local\Temp\e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2.exe"
2⤵
- UAC bypass
- Executes dropped EXE
- Deletes itself
- 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:1144

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1312

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe
Filesize
111KB

MD5
afd7ad12b3f4c2676da520fbe84cc185

SHA1
73515eca129734ad7bd47b72cb4f6062445e6250

SHA256
e80a1fe3cf44714e08fc2321d35ab9d23c88658f4ab55b7b5c74c31614a37ca2

SHA512
7b20c31732571b58b05e1ec404585143a1552ffc65d91b441faef1a564c81c5672cf992fd55bda6e56ad0507bf6cb4539ff79aab2c32c303f4bbdc004150b28c

Download Submit
memory/1144-56-0x0000000000000000-mapping.dmp

Download
memory/1144-60-0x00000000003E0000-0x00000000003EE000-memory.dmp

Filesize
56KB

Download
memory/1144-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1144-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2036-54-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2036-55-0x0000000075521000-0x0000000075523000-memory.dmp

Filesize
8KB

Download
memory/2036-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads