modiloader | 888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe

General

Target

888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe
Size

645KB
MD5

a05c0a0282db7dbd7aa46d08a1cfe446
SHA1

8d08aeb8dba49db71ab414ab9d24eed6416733ab
SHA256

888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe
SHA512

d732b8de5f7a587de27f3242148d31a6f96c19ef281e3b83f40fef3023ce55049dc61637caf127f484b1651cd92af398c0fc38025ef7acf9bd351eb091cbca94
SSDEEP

12288:TjkArEN249AyE/rbaMct4bO2/Vx8afeLdZkdIwcK0rOXc1JEpG7ppakmYSkJ:YFE//Tct4bOsHn4cdcK0qXcDelwJ

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

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/files/0x000c00000002171d-134.dat	modiloader_stage2
behavioral2/files/0x000c00000002171d-135.dat	modiloader_stage2
behavioral2/files/0x0002000000021b43-138.dat	modiloader_stage2
behavioral2/files/0x0002000000021b43-137.dat	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
3912	decrypted.exe
1508	mstwain32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3752-132-0x0000000000400000-0x00000000004E7000-memory.dmp	upx
behavioral2/memory/3752-139-0x0000000000400000-0x00000000004E7000-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

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

Loads dropped DLL 4 IoCs

pid	Process
1508	mstwain32.exe
1508	mstwain32.exe
1508	mstwain32.exe
1508	mstwain32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	decrypted.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

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3752-139-0x0000000000400000-0x00000000004E7000-memory.dmp	autoit_exe

Drops file in Windows directory 4 IoCs

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	decrypted.exe
File opened for modification	C:\Windows\mstwain32.exe	decrypted.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

description	pid	Process
Token: SeDebugPrivilege	3912	decrypted.exe
Token: SeDebugPrivilege	1508	mstwain32.exe
Token: SeDebugPrivilege	1508	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1508	mstwain32.exe
1508	mstwain32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 3912	3752	888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe	80
PID 3752 wrote to memory of 3912	3752	888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe	80
PID 3752 wrote to memory of 3912	3752	888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe	80
PID 3912 wrote to memory of 1508	3912	decrypted.exe	81
PID 3912 wrote to memory of 1508	3912	decrypted.exe	81
PID 3912 wrote to memory of 1508	3912	decrypted.exe	81

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe
"C:\Users\Admin\AppData\Local\Temp\888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3752
- C:\Users\Admin\AppData\Local\Temp\decrypted.exe
  C:\Users\Admin\AppData\Local\Temp\decrypted.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3912
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\decrypted.exe"
    3⤵
    - 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:1508

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\decrypted.exe

Filesize
270KB

MD5
b86a4a683904ca29be166305d4687a42

SHA1
56de0d615e83dd8fb3a9968499f006fb4b6b0cbd

SHA256
7bef64f152f0aaebf645e1e5623ef283bb62b12b75225f43b53c5d80f01eec6a

SHA512
592cff2eeb521c374fdcdab5fb38a6525b041e92c6173007cdd8ad6dd12e137bc877a49418a3d33dd707ba5089c2ee42246ec69dd72cc58a42cd2832cc4e3b63

Download Submit
C:\Users\Admin\AppData\Local\Temp\decrypted.exe

Filesize
270KB

MD5
b86a4a683904ca29be166305d4687a42

SHA1
56de0d615e83dd8fb3a9968499f006fb4b6b0cbd

SHA256
7bef64f152f0aaebf645e1e5623ef283bb62b12b75225f43b53c5d80f01eec6a

SHA512
592cff2eeb521c374fdcdab5fb38a6525b041e92c6173007cdd8ad6dd12e137bc877a49418a3d33dd707ba5089c2ee42246ec69dd72cc58a42cd2832cc4e3b63

Download Submit
C:\Windows\cmsetac.dll

Filesize
33KB

MD5
5c0c0ece110b3e759e951b5da3366256

SHA1
80b91a6b19584fd6bcc7d71811cc654ad5aec6cd

SHA256
3f1f54941876b4c77537a0703b1322cba344400bf08db2c23df84b1740d82ff7

SHA512
cd20a07c4ec2052afd1e5b00525747b4c579df85d8bf6854274ec78557d8efa24838ef9ae950e7081e2df4bb4542051a777151d1c61c72f7d1c9f6e4248eba77

Download Submit
C:\Windows\cmsetac.dll

Filesize
33KB

MD5
5c0c0ece110b3e759e951b5da3366256

SHA1
80b91a6b19584fd6bcc7d71811cc654ad5aec6cd

SHA256
3f1f54941876b4c77537a0703b1322cba344400bf08db2c23df84b1740d82ff7

SHA512
cd20a07c4ec2052afd1e5b00525747b4c579df85d8bf6854274ec78557d8efa24838ef9ae950e7081e2df4bb4542051a777151d1c61c72f7d1c9f6e4248eba77

Download Submit
C:\Windows\mstwain32.exe

Filesize
270KB

MD5
b86a4a683904ca29be166305d4687a42

SHA1
56de0d615e83dd8fb3a9968499f006fb4b6b0cbd

SHA256
7bef64f152f0aaebf645e1e5623ef283bb62b12b75225f43b53c5d80f01eec6a

SHA512
592cff2eeb521c374fdcdab5fb38a6525b041e92c6173007cdd8ad6dd12e137bc877a49418a3d33dd707ba5089c2ee42246ec69dd72cc58a42cd2832cc4e3b63

Download Submit
C:\Windows\mstwain32.exe

Filesize
270KB

MD5
b86a4a683904ca29be166305d4687a42

SHA1
56de0d615e83dd8fb3a9968499f006fb4b6b0cbd

SHA256
7bef64f152f0aaebf645e1e5623ef283bb62b12b75225f43b53c5d80f01eec6a

SHA512
592cff2eeb521c374fdcdab5fb38a6525b041e92c6173007cdd8ad6dd12e137bc877a49418a3d33dd707ba5089c2ee42246ec69dd72cc58a42cd2832cc4e3b63

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/1508-144-0x0000000002180000-0x000000000218E000-memory.dmp

Filesize
56KB

Download
memory/3752-132-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/3752-139-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads