modiloader | dcf3f019592d02969b82eba450cab5050ff8b3757d3ec870908155898a5a0ca4

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2023 08:11

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General

Target

0097261726716.PDF.exe
Size

1.8MB
MD5

f536ccec11f1b6fb95137514ce0e1ed5
SHA1

7dfd07532e6d80d2bea61196fc8dbd9bd1e9414d
SHA256

ae5345f8b351ea82e6d74797baf379bc605c69e079cc5628ab486bf8d4b76b18
SHA512

e1f52d043d04db94059f78e42f13dcb09fccbdeded3279db88c1ca8f421fc12fb20ea959272352b51f074f71f31e6462e241cff795915c7cc4fa326b77ea9011
SSDEEP

49152:bee0SeGwcSGQPOvlzgzRlyYFT9xZdmPSw:blMGNQPywXFJQ

Score

10^/10

modiloader persistence trojan

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4260-3-0x0000000004860000-0x0000000005860000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0097261726716.PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Vexbaedh = "C:\\Users\\Public\\Vexbaedh.url"	0097261726716.PDF.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4256 4260 WerFault.exe 0097261726716.PDF.exe

pid	pid_target	process	target process
4256	4260	WerFault.exe	0097261726716.PDF.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	48	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	50	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

0097261726716.PDF.exe

pid process

4260 0097261726716.PDF.exe
4260 0097261726716.PDF.exe

pid	process
4260	0097261726716.PDF.exe
4260	0097261726716.PDF.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

0097261726716.PDF.exe

description	pid	process	target process
PID 4260 wrote to memory of 552	4260	0097261726716.PDF.exe	colorcpl.exe
PID 4260 wrote to memory of 552	4260	0097261726716.PDF.exe	colorcpl.exe
PID 4260 wrote to memory of 552	4260	0097261726716.PDF.exe	colorcpl.exe

C:\Users\Admin\AppData\Local\Temp\0097261726716.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\0097261726716.PDF.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4260

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
2⤵
PID:552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4260 -s 1912
2⤵
- Program crash
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4260 -ip 4260
1⤵
PID:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4260-0-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/4260-1-0x0000000004860000-0x0000000005860000-memory.dmp

Filesize
16.0MB

Download
memory/4260-2-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/4260-3-0x0000000004860000-0x0000000005860000-memory.dmp

Filesize
16.0MB

Download
memory/4260-5-0x0000000000400000-0x00000000005CF000-memory.dmp

Filesize
1.8MB

Download
memory/4260-6-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download