modiloader | 8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe

General

Target

8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
Size

143KB
MD5

e11343a9b281ace8c2744a2b4c66f5f9
SHA1

d63ceab2ec13190e2ab98fd8bb318f26124433eb
SHA256

8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe
SHA512

1a959857e59a2c8b657c04185f66723c03b584ff6d899b836926ff7d51ad3fea3218d738316a6ac220fffb33321fb0b62f0d993b0e923ce6d213698a1f3954f2
SSDEEP

3072:zFxncXtkPnLgrzg7+L9MIQI+bxKxpbpM1JHx9Ov5KvlpcLeI:vcXtkvMpfQI+bxKfu1JHmv5KvMX

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

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/2320-143-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2320-144-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/2320-148-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4916-161-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1572	mstwain32.exe
4916	mstwain32.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2320-136-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2320-137-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2320-138-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2320-142-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2320-143-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2320-144-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/2320-148-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4916-161-0x0000000000400000-0x0000000000450000-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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe

Loads dropped DLL 2 IoCs

pid	Process
4916	mstwain32.exe
4916	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-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1792 set thread context of 2320	1792	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	81
PID 1572 set thread context of 4916	1572	mstwain32.exe	87

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
File opened for modification	C:\Windows\mstwain32.exe	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
File opened for modification	C:\Windows\mstwain32.exe	mstwain32.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 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
Token: SeBackupPrivilege	3272	vssvc.exe
Token: SeRestorePrivilege	3272	vssvc.exe
Token: SeAuditPrivilege	3272	vssvc.exe
Token: SeDebugPrivilege	4916	mstwain32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1792	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
1572	mstwain32.exe
4916	mstwain32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2320	1792	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	81
PID 1792 wrote to memory of 2320	1792	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	81
PID 1792 wrote to memory of 2320	1792	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	81
PID 1792 wrote to memory of 2320	1792	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	81
PID 1792 wrote to memory of 2320	1792	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	81
PID 1792 wrote to memory of 2320	1792	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	81
PID 1792 wrote to memory of 2320	1792	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	81
PID 1792 wrote to memory of 2320	1792	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	81
PID 2320 wrote to memory of 1572	2320	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	86
PID 2320 wrote to memory of 1572	2320	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	86
PID 2320 wrote to memory of 1572	2320	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	86
PID 1572 wrote to memory of 4916	1572	mstwain32.exe	87
PID 1572 wrote to memory of 4916	1572	mstwain32.exe	87
PID 1572 wrote to memory of 4916	1572	mstwain32.exe	87
PID 1572 wrote to memory of 4916	1572	mstwain32.exe	87
PID 1572 wrote to memory of 4916	1572	mstwain32.exe	87
PID 1572 wrote to memory of 4916	1572	mstwain32.exe	87
PID 1572 wrote to memory of 4916	1572	mstwain32.exe	87
PID 1572 wrote to memory of 4916	1572	mstwain32.exe	87

C:\Users\Admin\AppData\Local\Temp\8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
"C:\Users\Admin\AppData\Local\Temp\8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Users\Admin\AppData\Local\Temp\8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
  C:\Users\Admin\AppData\Local\Temp\8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
  2⤵
  - Checks computer location settings
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1572
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe
      4⤵
      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
      PID:4916

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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:\Windows\mstwain32.exe

Filesize
143KB

MD5
e11343a9b281ace8c2744a2b4c66f5f9

SHA1
d63ceab2ec13190e2ab98fd8bb318f26124433eb

SHA256
8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe

SHA512
1a959857e59a2c8b657c04185f66723c03b584ff6d899b836926ff7d51ad3fea3218d738316a6ac220fffb33321fb0b62f0d993b0e923ce6d213698a1f3954f2

Download Submit
C:\Windows\mstwain32.exe

Filesize
143KB

MD5
e11343a9b281ace8c2744a2b4c66f5f9

SHA1
d63ceab2ec13190e2ab98fd8bb318f26124433eb

SHA256
8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe

SHA512
1a959857e59a2c8b657c04185f66723c03b584ff6d899b836926ff7d51ad3fea3218d738316a6ac220fffb33321fb0b62f0d993b0e923ce6d213698a1f3954f2

Download Submit
C:\Windows\mstwain32.exe

Filesize
143KB

MD5
e11343a9b281ace8c2744a2b4c66f5f9

SHA1
d63ceab2ec13190e2ab98fd8bb318f26124433eb

SHA256
8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe

SHA512
1a959857e59a2c8b657c04185f66723c03b584ff6d899b836926ff7d51ad3fea3218d738316a6ac220fffb33321fb0b62f0d993b0e923ce6d213698a1f3954f2

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/1572-159-0x0000000000400000-0x0000000000409001-memory.dmp

Filesize
36KB

Download
memory/1792-140-0x0000000000400000-0x0000000000409001-memory.dmp

Filesize
36KB

Download
memory/1792-132-0x0000000000400000-0x0000000000409001-memory.dmp

Filesize
36KB

Download
memory/2320-144-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2320-143-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2320-142-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2320-148-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2320-138-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2320-137-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2320-136-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4916-161-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads