modiloader | b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783

Analysis

max time kernel
149s
max time network
50s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 16:16

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General

Target

b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe
Size

400KB
MD5

f574a0b3535a2e36cd5a49e5d5d4873a
SHA1

94590c998a2d60bb8407c8fe1cea45aa8b88c31e
SHA256

b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783
SHA512

bc984eaa2ac6cb7b340a8e7a455989854914e74f942cb82445afb784a216756ad5b23bdaa03adf1c154d10b6ef23dacd87ff03a7fb79f3535fb4e1f68e9bb0df
SSDEEP

12288:g1PO8MeQh81uhNmq+jhfgKBRKnb/ZPSUuXzE:gPO8MeQS143+jhfjonb/Z6jI

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/memory/1268-70-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/1268-71-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/1268-75-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/304-85-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/304-87-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/304-88-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2

Executes dropped EXE 4 IoCs

pid	Process
1756	son.exe
1268	son.exe
828	mstwain32.exe
304	mstwain32.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1956-59-0x0000000000400000-0x00000000004B2000-memory.dmp	upx
behavioral1/memory/1268-64-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1268-69-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1268-70-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1268-71-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1268-75-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/304-84-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/304-85-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/304-87-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/304-88-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe
1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe
1756	son.exe
1268	son.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-1-5-21-2292972927-2705560509-2768824231-1000\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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	son.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/1956-59-0x0000000000400000-0x00000000004B2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1756 set thread context of 1268	1756	son.exe	30
PID 828 set thread context of 304	828	mstwain32.exe	36

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	son.exe
File opened for modification	C:\Windows\mstwain32.exe	son.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

description	pid	Process
Token: SeDebugPrivilege	1268	son.exe
Token: SeBackupPrivilege	1772	vssvc.exe
Token: SeRestorePrivilege	1772	vssvc.exe
Token: SeAuditPrivilege	1772	vssvc.exe
Token: SeDebugPrivilege	304	mstwain32.exe
Token: SeDebugPrivilege	304	mstwain32.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe
1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe
1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe
1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe
1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
304	mstwain32.exe
304	mstwain32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1756	1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe	28
PID 1956 wrote to memory of 1756	1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe	28
PID 1956 wrote to memory of 1756	1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe	28
PID 1956 wrote to memory of 1756	1956	b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe	28
PID 1756 wrote to memory of 1268	1756	son.exe	30
PID 1756 wrote to memory of 1268	1756	son.exe	30
PID 1756 wrote to memory of 1268	1756	son.exe	30
PID 1756 wrote to memory of 1268	1756	son.exe	30
PID 1756 wrote to memory of 1268	1756	son.exe	30
PID 1756 wrote to memory of 1268	1756	son.exe	30
PID 1268 wrote to memory of 828	1268	son.exe	34
PID 1268 wrote to memory of 828	1268	son.exe	34
PID 1268 wrote to memory of 828	1268	son.exe	34
PID 1268 wrote to memory of 828	1268	son.exe	34
PID 828 wrote to memory of 304	828	mstwain32.exe	36
PID 828 wrote to memory of 304	828	mstwain32.exe	36
PID 828 wrote to memory of 304	828	mstwain32.exe	36
PID 828 wrote to memory of 304	828	mstwain32.exe	36
PID 828 wrote to memory of 304	828	mstwain32.exe	36
PID 828 wrote to memory of 304	828	mstwain32.exe	36

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\b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe
"C:\Users\Admin\AppData\Local\Temp\b57aae31d652603c8b4452227becf1edcdbc851d9f03ded8ac567a3a70060783.exe"
1⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\son.exe
  C:\Users\Admin\AppData\Local\Temp/son.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Users\Admin\AppData\Local\Temp\son.exe
    C:\Users\Admin\AppData\Local\Temp\son.exe
    3⤵
    - 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:1268
  - - C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:828
    - - C:\Windows\mstwain32.exe
        
        C:\Windows\mstwain32.exe
        5⤵
        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:304

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
128KB

MD5
789117b67b82e99d4a2047d393fa676f

SHA1
8367e221345959fa5a8c06b0f0c9cb13d08df056

SHA256
546ee5556fcec4d9ccd2baf25284b9e36eb42dc05315854b4f2d58a2692539a0

SHA512
f8de6d79a05bcbcd53d0e3db78967b16b7488db16b82f2486a298ff36e5614155639a8fdbbce4495d9c8b938aa8f34ee60d61bf3f8cabffcea50edada9d28852

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

Filesize
128KB

MD5
789117b67b82e99d4a2047d393fa676f

SHA1
8367e221345959fa5a8c06b0f0c9cb13d08df056

SHA256
546ee5556fcec4d9ccd2baf25284b9e36eb42dc05315854b4f2d58a2692539a0

SHA512
f8de6d79a05bcbcd53d0e3db78967b16b7488db16b82f2486a298ff36e5614155639a8fdbbce4495d9c8b938aa8f34ee60d61bf3f8cabffcea50edada9d28852

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

Filesize
128KB

MD5
789117b67b82e99d4a2047d393fa676f

SHA1
8367e221345959fa5a8c06b0f0c9cb13d08df056

SHA256
546ee5556fcec4d9ccd2baf25284b9e36eb42dc05315854b4f2d58a2692539a0

SHA512
f8de6d79a05bcbcd53d0e3db78967b16b7488db16b82f2486a298ff36e5614155639a8fdbbce4495d9c8b938aa8f34ee60d61bf3f8cabffcea50edada9d28852

Download Submit
C:\Windows\mstwain32.exe

Filesize
128KB

MD5
789117b67b82e99d4a2047d393fa676f

SHA1
8367e221345959fa5a8c06b0f0c9cb13d08df056

SHA256
546ee5556fcec4d9ccd2baf25284b9e36eb42dc05315854b4f2d58a2692539a0

SHA512
f8de6d79a05bcbcd53d0e3db78967b16b7488db16b82f2486a298ff36e5614155639a8fdbbce4495d9c8b938aa8f34ee60d61bf3f8cabffcea50edada9d28852

Download Submit
C:\Windows\mstwain32.exe

Filesize
128KB

MD5
789117b67b82e99d4a2047d393fa676f

SHA1
8367e221345959fa5a8c06b0f0c9cb13d08df056

SHA256
546ee5556fcec4d9ccd2baf25284b9e36eb42dc05315854b4f2d58a2692539a0

SHA512
f8de6d79a05bcbcd53d0e3db78967b16b7488db16b82f2486a298ff36e5614155639a8fdbbce4495d9c8b938aa8f34ee60d61bf3f8cabffcea50edada9d28852

Download Submit
C:\Windows\mstwain32.exe

Filesize
128KB

MD5
789117b67b82e99d4a2047d393fa676f

SHA1
8367e221345959fa5a8c06b0f0c9cb13d08df056

SHA256
546ee5556fcec4d9ccd2baf25284b9e36eb42dc05315854b4f2d58a2692539a0

SHA512
f8de6d79a05bcbcd53d0e3db78967b16b7488db16b82f2486a298ff36e5614155639a8fdbbce4495d9c8b938aa8f34ee60d61bf3f8cabffcea50edada9d28852

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

Filesize
128KB

MD5
789117b67b82e99d4a2047d393fa676f

SHA1
8367e221345959fa5a8c06b0f0c9cb13d08df056

SHA256
546ee5556fcec4d9ccd2baf25284b9e36eb42dc05315854b4f2d58a2692539a0

SHA512
f8de6d79a05bcbcd53d0e3db78967b16b7488db16b82f2486a298ff36e5614155639a8fdbbce4495d9c8b938aa8f34ee60d61bf3f8cabffcea50edada9d28852

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

Filesize
128KB

MD5
789117b67b82e99d4a2047d393fa676f

SHA1
8367e221345959fa5a8c06b0f0c9cb13d08df056

SHA256
546ee5556fcec4d9ccd2baf25284b9e36eb42dc05315854b4f2d58a2692539a0

SHA512
f8de6d79a05bcbcd53d0e3db78967b16b7488db16b82f2486a298ff36e5614155639a8fdbbce4495d9c8b938aa8f34ee60d61bf3f8cabffcea50edada9d28852

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

Filesize
128KB

MD5
789117b67b82e99d4a2047d393fa676f

SHA1
8367e221345959fa5a8c06b0f0c9cb13d08df056

SHA256
546ee5556fcec4d9ccd2baf25284b9e36eb42dc05315854b4f2d58a2692539a0

SHA512
f8de6d79a05bcbcd53d0e3db78967b16b7488db16b82f2486a298ff36e5614155639a8fdbbce4495d9c8b938aa8f34ee60d61bf3f8cabffcea50edada9d28852

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

Filesize
128KB

MD5
789117b67b82e99d4a2047d393fa676f

SHA1
8367e221345959fa5a8c06b0f0c9cb13d08df056

SHA256
546ee5556fcec4d9ccd2baf25284b9e36eb42dc05315854b4f2d58a2692539a0

SHA512
f8de6d79a05bcbcd53d0e3db78967b16b7488db16b82f2486a298ff36e5614155639a8fdbbce4495d9c8b938aa8f34ee60d61bf3f8cabffcea50edada9d28852

Download Submit
memory/304-88-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/304-84-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/304-85-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/304-86-0x0000000000570000-0x000000000057E000-memory.dmp

Filesize
56KB

Download
memory/304-87-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1268-69-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1268-75-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1268-71-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1268-70-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1268-64-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1268-62-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1956-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download
memory/1956-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads