modiloader | cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae

General

Target

cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
Size

442KB
MD5

2f8cd4ba2b9844213d8cd69bdbb0485b
SHA1

13640f1735c6d97906985ee7dad0f5bf9ac9e394
SHA256

cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae
SHA512

2ce09a5cbe10ad0f62bb300ffde12c6b4f3f96cef49a2e0a85f6570fa73017256a4c5e8f085649129b3d30f740bcb24bb7aae947829d5b38f95eb4aeff287593
SSDEEP

6144:TBgh/58KGip9lmh0UwwDdxtPw13OyhFR8uHQaEFmgYs2R3hSP1p7a1ZLcPR2GTJz:TBMmKGnhDT+JlCraEFmgqdwYA2GFz

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 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4652-138-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4652-142-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4592-150-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4592-156-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral2/memory/4592-157-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

mstwain32.exemstwain32.exe

pid process

3596 mstwain32.exe
4592 mstwain32.exe

pid	process
3596	mstwain32.exe
4592	mstwain32.exe

UPX packed file 15 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4504-132-0x0000000000400000-0x00000000004CF000-memory.dmp	upx
behavioral2/memory/4652-134-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4652-136-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4504-137-0x0000000000400000-0x00000000004CF000-memory.dmp	upx
behavioral2/memory/4652-138-0x0000000000400000-0x0000000000450000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
C:\Windows\mstwain32.exe	upx
behavioral2/memory/4652-142-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/3596-143-0x0000000000400000-0x00000000004CF000-memory.dmp	upx
C:\Windows\mstwain32.exe	upx
behavioral2/memory/3596-148-0x0000000000400000-0x00000000004CF000-memory.dmp	upx
behavioral2/memory/4592-149-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4592-150-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4592-156-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral2/memory/4592-157-0x0000000000400000-0x0000000000450000-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

Processes:

cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe

Loads dropped DLL 4 IoCs

Processes:

mstwain32.exe

pid process

4592 mstwain32.exe
4592 mstwain32.exe
4592 mstwain32.exe
4592 mstwain32.exe

pid	process
4592	mstwain32.exe
4592	mstwain32.exe
4592	mstwain32.exe
4592	mstwain32.exe

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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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:

cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exemstwain32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.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 3 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/4504-137-0x0000000000400000-0x00000000004CF000-memory.dmp	autoit_exe
behavioral2/memory/3596-143-0x0000000000400000-0x00000000004CF000-memory.dmp	autoit_exe
behavioral2/memory/3596-148-0x0000000000400000-0x00000000004CF000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exemstwain32.exe

description	pid	process	target process
PID 4504 set thread context of 4652	4504	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
PID 3596 set thread context of 4592	3596	mstwain32.exe	mstwain32.exe

Drops file in Windows directory 4 IoCs

Processes:

mstwain32.execde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe

description	ioc	process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
File created	C:\Windows\mstwain32.exe	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
File opened for modification	C:\Windows\mstwain32.exe	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
File created	C:\Windows\ntdtcstp.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:

cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exemstwain32.exe

description	pid	process
Token: SeDebugPrivilege	4652	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
Token: SeDebugPrivilege	4592	mstwain32.exe
Token: SeDebugPrivilege	4592	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

mstwain32.exe

pid process

4592 mstwain32.exe
4592 mstwain32.exe

pid	process
4592	mstwain32.exe
4592	mstwain32.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.execde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exemstwain32.exe

description	pid	process	target process
PID 4504 wrote to memory of 4652	4504	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
PID 4504 wrote to memory of 4652	4504	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
PID 4504 wrote to memory of 4652	4504	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
PID 4504 wrote to memory of 4652	4504	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
PID 4504 wrote to memory of 4652	4504	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
PID 4504 wrote to memory of 4652	4504	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
PID 4652 wrote to memory of 3596	4652	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe	mstwain32.exe
PID 4652 wrote to memory of 3596	4652	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe	mstwain32.exe
PID 4652 wrote to memory of 3596	4652	cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe	mstwain32.exe
PID 3596 wrote to memory of 4592	3596	mstwain32.exe	mstwain32.exe
PID 3596 wrote to memory of 4592	3596	mstwain32.exe	mstwain32.exe
PID 3596 wrote to memory of 4592	3596	mstwain32.exe	mstwain32.exe
PID 3596 wrote to memory of 4592	3596	mstwain32.exe	mstwain32.exe
PID 3596 wrote to memory of 4592	3596	mstwain32.exe	mstwain32.exe
PID 3596 wrote to memory of 4592	3596	mstwain32.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\cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
"C:\Users\Admin\AppData\Local\Temp\cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Users\Admin\AppData\Local\Temp\cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.exe
  "C:\Users\Admin\AppData\Local\Temp\cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae.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:4652
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3596
  - - C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      4⤵
      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:4592

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

Replay Monitor

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Downloads

C:\Windows\cmsetac.dll

Filesize
33KB

MD5
7c3ff4d4d394fde7c693d04c488a55f8

SHA1
ae2b2acc7e91a910f9075e0e095b528e97827ba4

SHA256
4878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8

SHA512
33c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a

Download Submit
C:\Windows\cmsetac.dll

Filesize
33KB

MD5
7c3ff4d4d394fde7c693d04c488a55f8

SHA1
ae2b2acc7e91a910f9075e0e095b528e97827ba4

SHA256
4878bf71fd37ffac1fd6f5153357298544d0ef1f3a114c1f0451befcb85c59a8

SHA512
33c601d9e706cff0c3dce8280b040c361aa51004fd20b51946469b6a02453def5a7aad1e5f58bec3435cc6e25470155d07f71dc0f81ec642efc53215d7be316a

Download Submit
C:\Windows\mstwain32.exe

Filesize
442KB

MD5
2f8cd4ba2b9844213d8cd69bdbb0485b

SHA1
13640f1735c6d97906985ee7dad0f5bf9ac9e394

SHA256
cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae

SHA512
2ce09a5cbe10ad0f62bb300ffde12c6b4f3f96cef49a2e0a85f6570fa73017256a4c5e8f085649129b3d30f740bcb24bb7aae947829d5b38f95eb4aeff287593

Download Submit
C:\Windows\mstwain32.exe

Filesize
442KB

MD5
2f8cd4ba2b9844213d8cd69bdbb0485b

SHA1
13640f1735c6d97906985ee7dad0f5bf9ac9e394

SHA256
cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae

SHA512
2ce09a5cbe10ad0f62bb300ffde12c6b4f3f96cef49a2e0a85f6570fa73017256a4c5e8f085649129b3d30f740bcb24bb7aae947829d5b38f95eb4aeff287593

Download Submit
C:\Windows\mstwain32.exe

Filesize
442KB

MD5
2f8cd4ba2b9844213d8cd69bdbb0485b

SHA1
13640f1735c6d97906985ee7dad0f5bf9ac9e394

SHA256
cde659e7cf67676e78c075393ec2562e73b6739da9df9187b195b2a58158a5ae

SHA512
2ce09a5cbe10ad0f62bb300ffde12c6b4f3f96cef49a2e0a85f6570fa73017256a4c5e8f085649129b3d30f740bcb24bb7aae947829d5b38f95eb4aeff287593

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/3596-139-0x0000000000000000-mapping.dmp

Download
memory/3596-143-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/3596-148-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/4504-137-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/4504-132-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/4592-150-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4592-144-0x0000000000000000-mapping.dmp

Download
memory/4592-149-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4592-155-0x00000000034B0000-0x00000000034BE000-memory.dmp

Filesize
56KB

Download
memory/4592-156-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4592-157-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4652-142-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4652-138-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4652-136-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4652-134-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4652-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads