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 7 IoCs

resource	yara_rule
behavioral1/memory/2016-17-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/2600-30-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/2600-29-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/2600-28-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/2016-8-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/2016-7-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2
behavioral1/memory/2600-40-0x0000000000400000-0x000000000044F000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2984	mstwain32.exe
2600	mstwain32.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2016-6-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2016-17-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2600-27-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2600-30-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2600-29-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2600-28-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2016-8-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2016-7-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2016-3-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2600-40-0x0000000000400000-0x000000000044F000-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-1-5-21-3470981204-343661084-3367201002-1000\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 2384 set thread context of 2016	2384	03c08f28f7243388999270933abc7b74.exe	18
PID 2984 set thread context of 2600	2984	mstwain32.exe	19

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\cmsetac.dll	mstwain32.exe
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

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	2016	03c08f28f7243388999270933abc7b74.exe
Token: SeDebugPrivilege	2600	mstwain32.exe
Token: SeDebugPrivilege	2600	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2600	mstwain32.exe
2600	mstwain32.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2016	2384	03c08f28f7243388999270933abc7b74.exe	18
PID 2384 wrote to memory of 2016	2384	03c08f28f7243388999270933abc7b74.exe	18
PID 2384 wrote to memory of 2016	2384	03c08f28f7243388999270933abc7b74.exe	18
PID 2384 wrote to memory of 2016	2384	03c08f28f7243388999270933abc7b74.exe	18
PID 2384 wrote to memory of 2016	2384	03c08f28f7243388999270933abc7b74.exe	18
PID 2384 wrote to memory of 2016	2384	03c08f28f7243388999270933abc7b74.exe	18
PID 2016 wrote to memory of 2984	2016	03c08f28f7243388999270933abc7b74.exe	21
PID 2016 wrote to memory of 2984	2016	03c08f28f7243388999270933abc7b74.exe	21
PID 2016 wrote to memory of 2984	2016	03c08f28f7243388999270933abc7b74.exe	21
PID 2016 wrote to memory of 2984	2016	03c08f28f7243388999270933abc7b74.exe	21
PID 2984 wrote to memory of 2600	2984	mstwain32.exe	19
PID 2984 wrote to memory of 2600	2984	mstwain32.exe	19
PID 2984 wrote to memory of 2600	2984	mstwain32.exe	19
PID 2984 wrote to memory of 2600	2984	mstwain32.exe	19
PID 2984 wrote to memory of 2600	2984	mstwain32.exe	19
PID 2984 wrote to memory of 2600	2984	mstwain32.exe	19

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:2384
- C:\Users\Admin\AppData\Local\Temp\03c08f28f7243388999270933abc7b74.exe
  C:\Users\Admin\AppData\Local\Temp\03c08f28f7243388999270933abc7b74.exe
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2984

C:\Windows\mstwain32.exe
C:\Windows\mstwain32.exe
1⤵
- 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:2600

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

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2016-8-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2016-17-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2016-0-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2016-6-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2016-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2016-3-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2016-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2384-4-0x0000000011490000-0x00000000114B7000-memory.dmp

Filesize
156KB

Download
memory/2600-35-0x0000000002470000-0x000000000247E000-memory.dmp

Filesize
56KB

Download
memory/2600-30-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2600-29-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2600-28-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2600-34-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2600-37-0x0000000074F50000-0x0000000075040000-memory.dmp

Filesize
960KB

Download
memory/2600-38-0x0000000074660000-0x0000000074674000-memory.dmp

Filesize
80KB

Download
memory/2600-39-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

Download
memory/2600-27-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2600-40-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2984-25-0x0000000011490000-0x00000000114B7000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads