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 6 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000054a8-56.dat	modiloader_stage2
behavioral1/files/0x000d0000000054a8-57.dat	modiloader_stage2
behavioral1/files/0x000d0000000054a8-59.dat	modiloader_stage2
behavioral1/files/0x000d0000000054a8-61.dat	modiloader_stage2
behavioral1/files/0x000d0000000054a8-62.dat	modiloader_stage2
behavioral1/files/0x000800000001339d-64.dat	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1064	decrypted.exe
2036	mstwain32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1432-55-0x0000000000400000-0x00000000004E7000-memory.dmp	upx
behavioral1/memory/1432-66-0x0000000000400000-0x00000000004E7000-memory.dmp	upx

Loads dropped DLL 3 IoCs

pid	Process
1432	888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe
1432	888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe
1064	decrypted.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-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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
behavioral1/memory/1432-66-0x0000000000400000-0x00000000004E7000-memory.dmp	autoit_exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	decrypted.exe
File opened for modification	C:\Windows\mstwain32.exe	decrypted.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 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	decrypted.exe
Token: SeDebugPrivilege	2036	mstwain32.exe
Token: SeDebugPrivilege	2036	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2036	mstwain32.exe
2036	mstwain32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 1064	1432	888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe	28
PID 1432 wrote to memory of 1064	1432	888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe	28
PID 1432 wrote to memory of 1064	1432	888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe	28
PID 1432 wrote to memory of 1064	1432	888e8631ef70f2d293c13c7220c2880f8ded7dc0eba3bcc9b9e9406837b79fbe.exe	28
PID 1064 wrote to memory of 2036	1064	decrypted.exe	29
PID 1064 wrote to memory of 2036	1064	decrypted.exe	29
PID 1064 wrote to memory of 2036	1064	decrypted.exe	29
PID 1064 wrote to memory of 2036	1064	decrypted.exe	29

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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Users\Admin\AppData\Local\Temp\decrypted.exe
  C:\Users\Admin\AppData\Local\Temp\decrypted.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1064
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\decrypted.exe"
    3⤵
    - 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:2036

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:\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\mstwain32.exe

Filesize
270KB

MD5
b86a4a683904ca29be166305d4687a42

SHA1
56de0d615e83dd8fb3a9968499f006fb4b6b0cbd

SHA256
7bef64f152f0aaebf645e1e5623ef283bb62b12b75225f43b53c5d80f01eec6a

SHA512
592cff2eeb521c374fdcdab5fb38a6525b041e92c6173007cdd8ad6dd12e137bc877a49418a3d33dd707ba5089c2ee42246ec69dd72cc58a42cd2832cc4e3b63

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

Filesize
270KB

MD5
b86a4a683904ca29be166305d4687a42

SHA1
56de0d615e83dd8fb3a9968499f006fb4b6b0cbd

SHA256
7bef64f152f0aaebf645e1e5623ef283bb62b12b75225f43b53c5d80f01eec6a

SHA512
592cff2eeb521c374fdcdab5fb38a6525b041e92c6173007cdd8ad6dd12e137bc877a49418a3d33dd707ba5089c2ee42246ec69dd72cc58a42cd2832cc4e3b63

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

Filesize
270KB

MD5
b86a4a683904ca29be166305d4687a42

SHA1
56de0d615e83dd8fb3a9968499f006fb4b6b0cbd

SHA256
7bef64f152f0aaebf645e1e5623ef283bb62b12b75225f43b53c5d80f01eec6a

SHA512
592cff2eeb521c374fdcdab5fb38a6525b041e92c6173007cdd8ad6dd12e137bc877a49418a3d33dd707ba5089c2ee42246ec69dd72cc58a42cd2832cc4e3b63

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

Filesize
270KB

MD5
b86a4a683904ca29be166305d4687a42

SHA1
56de0d615e83dd8fb3a9968499f006fb4b6b0cbd

SHA256
7bef64f152f0aaebf645e1e5623ef283bb62b12b75225f43b53c5d80f01eec6a

SHA512
592cff2eeb521c374fdcdab5fb38a6525b041e92c6173007cdd8ad6dd12e137bc877a49418a3d33dd707ba5089c2ee42246ec69dd72cc58a42cd2832cc4e3b63

Download Submit
memory/1432-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download
memory/1432-55-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/1432-66-0x0000000000400000-0x00000000004E7000-memory.dmp

Filesize
924KB

Download
memory/2036-67-0x0000000001E60000-0x0000000001E6E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads