modiloader | d6553c5031ef279156d70a57ba32c13255a859cb585772a36386aeeb516d15a4

General

Target

03c08f28f7243388999270933abc7b74.exe
Size

128KB
MD5

03c08f28f7243388999270933abc7b74
SHA1

8f5c03db9b4b4cc0d934ddf983ddacdc642356af
SHA256

d6553c5031ef279156d70a57ba32c13255a859cb585772a36386aeeb516d15a4
SHA512

13b56d6758926de16763b67867f36bf448cc73573e0558c41d97b09f7e49c11d14b7e7306799946bdce3a7dc6bab407454d13483c44d7c52432decc524a4ec71
SSDEEP

3072:s3JWTHTTmObj0TrnFt9c4wsdMhuEkGZ14OyxQIfc2p:uJsTmk011wsqkGZ1jyvR

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

T1548.002

Disable or Modify Tools

T1562.001

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
behavioral2/memory/1216-5-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/1216-4-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/1216-15-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3108-23-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3108-22-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral2/memory/3108-39-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2

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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	03c08f28f7243388999270933abc7b74.exe

Executes dropped EXE 2 IoCs

pid	Process
2504	mstwain32.exe
3108	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
3108	mstwain32.exe
3108	mstwain32.exe
3108	mstwain32.exe
3108	mstwain32.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1216-0-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1216-3-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1216-5-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1216-4-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/1216-15-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3108-20-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3108-23-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3108-22-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral2/memory/3108-39-0x0000000000400000-0x000000000044F000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\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	03c08f28f7243388999270933abc7b74.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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4460 set thread context of 1216	4460	03c08f28f7243388999270933abc7b74.exe	89
PID 2504 set thread context of 3108	2504	mstwain32.exe	95

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	03c08f28f7243388999270933abc7b74.exe
File opened for modification	C:\Windows\mstwain32.exe	03c08f28f7243388999270933abc7b74.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).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1216	03c08f28f7243388999270933abc7b74.exe
Token: SeDebugPrivilege	3108	mstwain32.exe
Token: SeDebugPrivilege	3108	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3108	mstwain32.exe
3108	mstwain32.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 1216	4460	03c08f28f7243388999270933abc7b74.exe	89
PID 4460 wrote to memory of 1216	4460	03c08f28f7243388999270933abc7b74.exe	89
PID 4460 wrote to memory of 1216	4460	03c08f28f7243388999270933abc7b74.exe	89
PID 4460 wrote to memory of 1216	4460	03c08f28f7243388999270933abc7b74.exe	89
PID 4460 wrote to memory of 1216	4460	03c08f28f7243388999270933abc7b74.exe	89
PID 1216 wrote to memory of 2504	1216	03c08f28f7243388999270933abc7b74.exe	94
PID 1216 wrote to memory of 2504	1216	03c08f28f7243388999270933abc7b74.exe	94
PID 1216 wrote to memory of 2504	1216	03c08f28f7243388999270933abc7b74.exe	94
PID 2504 wrote to memory of 3108	2504	mstwain32.exe	95
PID 2504 wrote to memory of 3108	2504	mstwain32.exe	95
PID 2504 wrote to memory of 3108	2504	mstwain32.exe	95
PID 2504 wrote to memory of 3108	2504	mstwain32.exe	95
PID 2504 wrote to memory of 3108	2504	mstwain32.exe	95

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\03c08f28f7243388999270933abc7b74.exe
"C:\Users\Admin\AppData\Local\Temp\03c08f28f7243388999270933abc7b74.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4460
- C:\Users\Admin\AppData\Local\Temp\03c08f28f7243388999270933abc7b74.exe
  C:\Users\Admin\AppData\Local\Temp\03c08f28f7243388999270933abc7b74.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:1216
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2504
  - - 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:3108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify 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
7bb37e6826469a40a7732f1c575ea916

SHA1
445533a85c7b6f454ac9c2986b08a335d82251f2

SHA256
f29f192f669056a5592597aec83aefc32d8d1f717dabf2ee9a8340de307a4a86

SHA512
3dcef535cd0e3cfb976e6a00ffa538f23ca56b4c86db8d43f7a266aedd3f9de86def64e7556ad70fd9e4a01061401fed0dd66a9abce7daefc00f69a68f9eb83d

Download Submit
C:\Windows\mstwain32.exe

Filesize
128KB

MD5
03c08f28f7243388999270933abc7b74

SHA1
8f5c03db9b4b4cc0d934ddf983ddacdc642356af

SHA256
d6553c5031ef279156d70a57ba32c13255a859cb585772a36386aeeb516d15a4

SHA512
13b56d6758926de16763b67867f36bf448cc73573e0558c41d97b09f7e49c11d14b7e7306799946bdce3a7dc6bab407454d13483c44d7c52432decc524a4ec71

Download Submit
memory/1216-0-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1216-3-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1216-5-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1216-4-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1216-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2504-19-0x0000000011490000-0x00000000114B7000-memory.dmp

Filesize
156KB

Download
memory/3108-30-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/3108-23-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3108-22-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3108-34-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/3108-20-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3108-36-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/3108-37-0x0000000002120000-0x0000000002128000-memory.dmp

Filesize
32KB

Download
memory/3108-38-0x00000000030E0000-0x00000000030EE000-memory.dmp

Filesize
56KB

Download
memory/3108-39-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4460-1-0x0000000011490000-0x00000000114B7000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads