modiloader | d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347

General

Target

d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exe
Size

173KB
MD5

12b93bfce82eef65ae7fe39bf1177ec6
SHA1

db3889b2617237d0f8c6b0f326c78af2ccb2658e
SHA256

d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347
SHA512

54f509bc15c97e8de83d902dee5ff78b8ae1900bcfd77b29796df56c80e7b649507b6d8eca21ee573781af432535b620eaf0bf67344008001e556dcf7db46aec
SSDEEP

3072:UyXo1wdb0+Th7Qbvmron2kuF0uhbEeYkAk1UFEpmHe05P4ekCMaSZwGD:Uy4mwKh7Gvmr1F7hoeFUFEcDPDkCJSCO

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/276-65-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2000-67-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/2000-68-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

Copy of Others.mp3.exemstwain32.exe

pid process

276 Copy of Others.mp3.exe
2000 mstwain32.exe

pid	process
276	Copy of Others.mp3.exe
2000	mstwain32.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
C:\Windows\Copy of Others.mp3.exe	upx
C:\Windows\Copy of Others.mp3.exe	upx
behavioral1/memory/276-65-0x0000000000400000-0x0000000000450000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral1/memory/2000-67-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/2000-68-0x0000000000400000-0x0000000000450000-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-1-5-21-3845472200-3839195424-595303356-1000\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

Processes:

Copy of Others.mp3.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Copy of Others.mp3.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 5 IoCs

Processes:

d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exeCopy of Others.mp3.exemstwain32.exe

description	ioc	process
File opened for modification	C:\Windows\Copy of Others.mp3.exe	d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exe
File created	C:\Windows\mstwain32.exe	Copy of Others.mp3.exe
File opened for modification	C:\Windows\mstwain32.exe	Copy of Others.mp3.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

Processes:

Copy of Others.mp3.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	276	Copy of Others.mp3.exe
Token: SeDebugPrivilege	2000	mstwain32.exe
Token: SeDebugPrivilege	2000	mstwain32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exemstwain32.exe

pid process

1668 d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exe
2000 mstwain32.exe
2000 mstwain32.exe

pid	process
1668	d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exe
2000	mstwain32.exe
2000	mstwain32.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exeCopy of Others.mp3.exe

description	pid	process	target process
PID 1668 wrote to memory of 276	1668	d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exe	Copy of Others.mp3.exe
PID 1668 wrote to memory of 276	1668	d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exe	Copy of Others.mp3.exe
PID 1668 wrote to memory of 276	1668	d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exe	Copy of Others.mp3.exe
PID 1668 wrote to memory of 276	1668	d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exe	Copy of Others.mp3.exe
PID 276 wrote to memory of 2000	276	Copy of Others.mp3.exe	mstwain32.exe
PID 276 wrote to memory of 2000	276	Copy of Others.mp3.exe	mstwain32.exe
PID 276 wrote to memory of 2000	276	Copy of Others.mp3.exe	mstwain32.exe
PID 276 wrote to memory of 2000	276	Copy of Others.mp3.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\d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exe
"C:\Users\Admin\AppData\Local\Temp\d4f856a473edf29a1c2eb2718755bbe3c7fcc928db6984f00d04030b44255347.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\Copy of Others.mp3.exe
"C:\Windows\Copy of Others.mp3.exe"
2⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:276

C:\Windows\mstwain32.exe
"C:\Windows\mstwain32.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:2000

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\Copy of Others.mp3.exe
Filesize
111KB

MD5
b6a7e40f872ed20cca333c408879da88

SHA1
6905e676bf08e445d2be3afe13d550ccdf10e429

SHA256
24bc14dd00b7f537d37f9227056cc1f5983f0caf28bf69076be078b657fc07b3

SHA512
792e7c2347b76f80971935fa44e68059633d66bd5bae2d1a95e9f531398b0b6f853b4f9396c26d335f710a018536be5adbab6a217cf579ed218685b009ff20c7

Download Submit
C:\Windows\Copy of Others.mp3.exe
Filesize
111KB

MD5
b6a7e40f872ed20cca333c408879da88

SHA1
6905e676bf08e445d2be3afe13d550ccdf10e429

SHA256
24bc14dd00b7f537d37f9227056cc1f5983f0caf28bf69076be078b657fc07b3

SHA512
792e7c2347b76f80971935fa44e68059633d66bd5bae2d1a95e9f531398b0b6f853b4f9396c26d335f710a018536be5adbab6a217cf579ed218685b009ff20c7

Download Submit
C:\Windows\mstwain32.exe
Filesize
111KB

MD5
b6a7e40f872ed20cca333c408879da88

SHA1
6905e676bf08e445d2be3afe13d550ccdf10e429

SHA256
24bc14dd00b7f537d37f9227056cc1f5983f0caf28bf69076be078b657fc07b3

SHA512
792e7c2347b76f80971935fa44e68059633d66bd5bae2d1a95e9f531398b0b6f853b4f9396c26d335f710a018536be5adbab6a217cf579ed218685b009ff20c7

Download Submit
memory/276-57-0x0000000000000000-mapping.dmp

Download
memory/276-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/276-63-0x0000000000530000-0x000000000053D000-memory.dmp

Filesize
52KB

Download
memory/1668-56-0x0000000075241000-0x0000000075243000-memory.dmp

Filesize
8KB

Download
memory/2000-61-0x0000000000000000-mapping.dmp

Download
memory/2000-66-0x0000000000790000-0x000000000079E000-memory.dmp

Filesize
56KB

Download
memory/2000-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2000-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads