modiloader | 623ed0f50694f78e7267ef00670b0857813ca41380cc9125b0b2bbbd5f313b6b

General

Target

efaadbc486eb03962638795502a87834_JaffaCakes118.exe
Size

157KB
MD5

efaadbc486eb03962638795502a87834
SHA1

44be17d041df3121d9f0cbe6be7b62e1cf2f445e
SHA256

623ed0f50694f78e7267ef00670b0857813ca41380cc9125b0b2bbbd5f313b6b
SHA512

a3fd2f54428902f807c37bbf190c1086b0b2e50da48733355a408227b874324d333f52fdf22bcab34ab6194fff5a0c8de72577635a5495aa08620b7f857c297a
SSDEEP

3072:AL1pXzJuwr6ae4dtybxdSQZla2ttdbLAs4JbjEhS6mx7LM6e4f1:Ax3q/wtybxAQZlaA70jEh6+6P

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 family
modiloader

ModiLoader Second Stage 6 IoCs

resource	yara_rule
behavioral2/memory/1736-10-0x0000000000400000-0x000000000046C000-memory.dmp	modiloader_stage2
behavioral2/memory/1124-12-0x0000000000400000-0x000000000046C000-memory.dmp	modiloader_stage2
behavioral2/memory/1124-16-0x0000000000400000-0x000000000046C000-memory.dmp	modiloader_stage2
behavioral2/memory/1124-17-0x0000000000400000-0x000000000046C000-memory.dmp	modiloader_stage2
behavioral2/memory/1124-18-0x0000000000400000-0x000000000046C000-memory.dmp	modiloader_stage2
behavioral2/memory/1124-27-0x0000000000400000-0x000000000046C000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	efaadbc486eb03962638795502a87834_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1124	Winservices.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysServices = "C:\\Windows\\Winservices.exe"	efaadbc486eb03962638795502a87834_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysServices = "C:\\Windows\\Winservices.exe"	Winservices.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1736-0-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/files/0x000c000000023b7e-6.dat	upx
behavioral2/memory/1736-10-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1124-12-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1124-16-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1124-17-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1124-18-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1124-27-0x0000000000400000-0x000000000046C000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Winservices.exe	efaadbc486eb03962638795502a87834_JaffaCakes118.exe
File opened for modification	C:\Windows\Winservices.exe	efaadbc486eb03962638795502a87834_JaffaCakes118.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efaadbc486eb03962638795502a87834_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Winservices.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1124	Winservices.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1124	1736	efaadbc486eb03962638795502a87834_JaffaCakes118.exe	84
PID 1736 wrote to memory of 1124	1736	efaadbc486eb03962638795502a87834_JaffaCakes118.exe	84
PID 1736 wrote to memory of 1124	1736	efaadbc486eb03962638795502a87834_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\efaadbc486eb03962638795502a87834_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efaadbc486eb03962638795502a87834_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\Winservices.exe
  "C:\Windows\Winservices.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1124

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

Query Registry

1

T1012

System Information Discovery

2

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:\Windows\Winservices.exe

Filesize
157KB

MD5
efaadbc486eb03962638795502a87834

SHA1
44be17d041df3121d9f0cbe6be7b62e1cf2f445e

SHA256
623ed0f50694f78e7267ef00670b0857813ca41380cc9125b0b2bbbd5f313b6b

SHA512
a3fd2f54428902f807c37bbf190c1086b0b2e50da48733355a408227b874324d333f52fdf22bcab34ab6194fff5a0c8de72577635a5495aa08620b7f857c297a

Download Submit
memory/1124-11-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/1124-12-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1124-14-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/1124-16-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1124-17-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1124-18-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1124-27-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1736-0-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1736-1-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download
memory/1736-10-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads