modiloader | 599cadc0a905b1ef7bb40d7ac700090abea8af8a7472e0e685f35fc1a691557d

General

Target

75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe
Size

36KB
MD5

75501a98c47cdf9e6617fd69180fd590
SHA1

5d8e8b97ef08cc092a01ac37a2060fcda73ac56d
SHA256

599cadc0a905b1ef7bb40d7ac700090abea8af8a7472e0e685f35fc1a691557d
SHA512

1183df7c59f96bfea013f891469c4e040c046dfd751f36612f843d29ba2c7cf92493127f686a6efcd23c9055918ad3e6ada670bbbbdfb8287dc77f90cea129f7
SSDEEP

768:3oPkAYScg2ZHWXqAtXjK+LUnFYI5K1J9ScPDEoPfyy6TrXyfzI:BNHgl++AFXK1J80DnHH6TrCbI

Score

10^/10

modiloader discovery 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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4352-35-0x0000000000400000-0x000000000041C000-memory.dmp	modiloader_stage2
behavioral2/memory/4452-36-0x0000000000400000-0x000000000041C000-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

Processes:

75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

stup.exe

pid process

4452 stup.exe

pid	process
4452	stup.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4352-0-0x0000000000400000-0x000000000041C000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\Microsoft\stup.exe	upx
behavioral2/memory/4352-35-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4452-36-0x0000000000400000-0x000000000041C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

stup.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Registry Driver = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\stup.exe"	stup.exe

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

stup.exe

description	ioc	process
File opened (read-only)	\??\I:	stup.exe
File opened (read-only)	\??\L:	stup.exe
File opened (read-only)	\??\N:	stup.exe
File opened (read-only)	\??\X:	stup.exe
File opened (read-only)	\??\K:	stup.exe
File opened (read-only)	\??\O:	stup.exe
File opened (read-only)	\??\S:	stup.exe
File opened (read-only)	\??\U:	stup.exe
File opened (read-only)	\??\W:	stup.exe
File opened (read-only)	\??\Z:	stup.exe
File opened (read-only)	\??\E:	stup.exe
File opened (read-only)	\??\H:	stup.exe
File opened (read-only)	\??\M:	stup.exe
File opened (read-only)	\??\Q:	stup.exe
File opened (read-only)	\??\R:	stup.exe
File opened (read-only)	\??\T:	stup.exe
File opened (read-only)	\??\G:	stup.exe
File opened (read-only)	\??\J:	stup.exe
File opened (read-only)	\??\P:	stup.exe
File opened (read-only)	\??\V:	stup.exe
File opened (read-only)	\??\Y:	stup.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exestup.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	stup.exe

Modifies registry class 1 IoCs

Processes:

75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

stup.exe

description pid process

Token: SeDebugPrivilege 4452 stup.exe
Token: SeDebugPrivilege 4452 stup.exe

description	pid	process
Token: SeDebugPrivilege	4452	stup.exe
Token: SeDebugPrivilege	4452	stup.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe

description	pid	process	target process
PID 4352 wrote to memory of 4452	4352	75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe	stup.exe
PID 4352 wrote to memory of 4452	4352	75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe	stup.exe
PID 4352 wrote to memory of 4452	4352	75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe	stup.exe

C:\Users\Admin\AppData\Local\Temp\75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\75501a98c47cdf9e6617fd69180fd590_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4352

C:\Users\Admin\AppData\Roaming\Microsoft\stup.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\stup.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4452

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\stup.exe

Filesize
36KB

MD5
75501a98c47cdf9e6617fd69180fd590

SHA1
5d8e8b97ef08cc092a01ac37a2060fcda73ac56d

SHA256
599cadc0a905b1ef7bb40d7ac700090abea8af8a7472e0e685f35fc1a691557d

SHA512
1183df7c59f96bfea013f891469c4e040c046dfd751f36612f843d29ba2c7cf92493127f686a6efcd23c9055918ad3e6ada670bbbbdfb8287dc77f90cea129f7

Download Submit
memory/4352-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4352-35-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4452-36-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads