modiloader | b4235f7583ae798d313b878ad9639a5646c04b45a1d9f43d1fa09c37163c6e78

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
05/05/2024, 11:44

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General

Target

Build1.exe
Size

18KB
MD5

a4b14b3833555e5a0687838bbea8553d
SHA1

fb2a65cd531bfb47023ce37dea1bae4e6f572ba3
SHA256

b4235f7583ae798d313b878ad9639a5646c04b45a1d9f43d1fa09c37163c6e78
SHA512

1ca5731abd0c157747e0df0a112b6ca9698937fef6e3d37d5608e1ad5292a68ba330a7cb809149e69ed02b5ff3e093cebeb965fb3f1b797a25d8134de968cb96
SSDEEP

384:rEw7wknHOYXQdhLGPvCaV4pLS7OGQ8xy1Czcx4qhne:rEw7wkHOYEGPvCaV4pLzb1fx4

Score

10^/10

modiloader 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

resource	yara_rule
behavioral2/memory/2016-9-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4312-11-0x0000000000400000-0x0000000000414000-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-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation	Build1.exe

Executes dropped EXE 1 IoCs

pid	Process
4312	AdobeART.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2016-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/files/0x000d000000023b2f-5.dat	upx
behavioral2/memory/2016-9-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4312-11-0x0000000000400000-0x0000000000414000-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\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).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 4312	2016	Build1.exe	83
PID 2016 wrote to memory of 4312	2016	Build1.exe	83
PID 2016 wrote to memory of 4312	2016	Build1.exe	83

C:\Users\Admin\AppData\Local\Temp\Build1.exe
"C:\Users\Admin\AppData\Local\Temp\Build1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2016
- 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:4312

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\AdobeART.exe

Filesize
18KB

MD5
a4b14b3833555e5a0687838bbea8553d

SHA1
fb2a65cd531bfb47023ce37dea1bae4e6f572ba3

SHA256
b4235f7583ae798d313b878ad9639a5646c04b45a1d9f43d1fa09c37163c6e78

SHA512
1ca5731abd0c157747e0df0a112b6ca9698937fef6e3d37d5608e1ad5292a68ba330a7cb809149e69ed02b5ff3e093cebeb965fb3f1b797a25d8134de968cb96

Download Submit
memory/2016-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2016-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4312-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads