modiloader | b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b

Analysis

max time kernel
134s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 15:16

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General

Target

b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b.exe
Size

36KB
MD5

4cb65d291f9b758ebd2c595dbf58d864
SHA1

f817ce5f51fb18aa43abe41163da503fb366d7f2
SHA256

b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b
SHA512

f1c8dfe76dfd9f373c71080f0834d342bb21c19da02d632ae521588cee206255e3dd91247fe09ebfe3254d43fcfd219cf8463508e5d12cbebd45a041153491b2
SSDEEP

768:bycqOQ0bwMK2M3fQde8Pfymg0M9EQfRo0ys/Kzr:OcqOQbB3fQc8Pfymg0yxpByxzr

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 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\AdobeART.exe	modiloader_stage2
C:\Users\Admin\AppData\Roaming\AdobeART.exe	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

AdobeART.exe

pid process

4440 AdobeART.exe

pid	process
4440	AdobeART.exe

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:

b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

AdobeART.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AdobeART = "C:\\Users\\Admin\\AppData\\Roaming\\AdobeART.exe"	AdobeART.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b.exe

description	pid	process	target process
PID 1676 wrote to memory of 4440	1676	b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b.exe	AdobeART.exe
PID 1676 wrote to memory of 4440	1676	b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b.exe	AdobeART.exe
PID 1676 wrote to memory of 4440	1676	b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b.exe	AdobeART.exe

C:\Users\Admin\AppData\Local\Temp\b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b.exe
"C:\Users\Admin\AppData\Local\Temp\b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1676

C:\Users\Admin\AppData\Roaming\AdobeART.exe
"C:\Users\Admin\AppData\Roaming\AdobeART.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4440

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\AdobeART.exe
Filesize
36KB

MD5
4cb65d291f9b758ebd2c595dbf58d864

SHA1
f817ce5f51fb18aa43abe41163da503fb366d7f2

SHA256
b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b

SHA512
f1c8dfe76dfd9f373c71080f0834d342bb21c19da02d632ae521588cee206255e3dd91247fe09ebfe3254d43fcfd219cf8463508e5d12cbebd45a041153491b2

Download Submit
C:\Users\Admin\AppData\Roaming\AdobeART.exe
Filesize
36KB

MD5
4cb65d291f9b758ebd2c595dbf58d864

SHA1
f817ce5f51fb18aa43abe41163da503fb366d7f2

SHA256
b4646b9c9f8a33ca88088c2e8cda5c67c0da3879aab5429652fc19efe1c8599b

SHA512
f1c8dfe76dfd9f373c71080f0834d342bb21c19da02d632ae521588cee206255e3dd91247fe09ebfe3254d43fcfd219cf8463508e5d12cbebd45a041153491b2

Download Submit
memory/4440-132-0x0000000000000000-mapping.dmp

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