modiloader | 37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b

General

Target

37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe
Size

36KB
MD5

8db03d30911d10446729f8ec196d46c3
SHA1

195e4bb9fc8b835de24fdba5b7dcfb8c89a5dc22
SHA256

37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b
SHA512

979cf40ca5ca7cb39237892b31b124d756b1c0587a816130138ed45d0454df1c448b977a3d990fc38672b85151708004ee5bae3d0673a9690d36481186696c05
SSDEEP

768:zycqOQ0bwMK2M3fQde8Pfymg0M9EQfRo0ys/KzK:mcqOQbB3fQc8Pfymg0yxpByxzK

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 6 IoCs

Processes:

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

Executes dropped EXE 1 IoCs

Processes:

BrowserUpdate.exe

pid process

1992 BrowserUpdate.exe
Loads dropped DLL 4 IoCs

Processes:

37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exeBrowserUpdate.exe

pid process

960 37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe
1992 BrowserUpdate.exe
1992 BrowserUpdate.exe
1992 BrowserUpdate.exe

pid	process
1992	BrowserUpdate.exe

pid	process
960	37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe
1992	BrowserUpdate.exe
1992	BrowserUpdate.exe
1992	BrowserUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

BrowserUpdate.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Browser Update = "C:\\Users\\Admin\\AppData\\Roaming\\BrowserUpdate.exe"	BrowserUpdate.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 7 IoCs

Processes:

37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe

description	pid	process	target process
PID 960 wrote to memory of 1992	960	37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe	BrowserUpdate.exe
PID 960 wrote to memory of 1992	960	37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe	BrowserUpdate.exe
PID 960 wrote to memory of 1992	960	37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe	BrowserUpdate.exe
PID 960 wrote to memory of 1992	960	37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe	BrowserUpdate.exe
PID 960 wrote to memory of 1992	960	37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe	BrowserUpdate.exe
PID 960 wrote to memory of 1992	960	37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe	BrowserUpdate.exe
PID 960 wrote to memory of 1992	960	37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe	BrowserUpdate.exe

C:\Users\Admin\AppData\Local\Temp\37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe
"C:\Users\Admin\AppData\Local\Temp\37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:960

C:\Users\Admin\AppData\Roaming\BrowserUpdate.exe
"C:\Users\Admin\AppData\Roaming\BrowserUpdate.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
PID:1992

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
8db03d30911d10446729f8ec196d46c3

SHA1
195e4bb9fc8b835de24fdba5b7dcfb8c89a5dc22

SHA256
37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b

SHA512
979cf40ca5ca7cb39237892b31b124d756b1c0587a816130138ed45d0454df1c448b977a3d990fc38672b85151708004ee5bae3d0673a9690d36481186696c05

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

MD5
8db03d30911d10446729f8ec196d46c3

SHA1
195e4bb9fc8b835de24fdba5b7dcfb8c89a5dc22

SHA256
37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b

SHA512
979cf40ca5ca7cb39237892b31b124d756b1c0587a816130138ed45d0454df1c448b977a3d990fc38672b85151708004ee5bae3d0673a9690d36481186696c05

Download Submit
\Users\Admin\AppData\Roaming\BrowserUpdate.exe
Filesize
36KB

MD5
8db03d30911d10446729f8ec196d46c3

SHA1
195e4bb9fc8b835de24fdba5b7dcfb8c89a5dc22

SHA256
37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b

SHA512
979cf40ca5ca7cb39237892b31b124d756b1c0587a816130138ed45d0454df1c448b977a3d990fc38672b85151708004ee5bae3d0673a9690d36481186696c05

Download Submit
\Users\Admin\AppData\Roaming\BrowserUpdate.exe
Filesize
36KB

MD5
8db03d30911d10446729f8ec196d46c3

SHA1
195e4bb9fc8b835de24fdba5b7dcfb8c89a5dc22

SHA256
37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b

SHA512
979cf40ca5ca7cb39237892b31b124d756b1c0587a816130138ed45d0454df1c448b977a3d990fc38672b85151708004ee5bae3d0673a9690d36481186696c05

Download Submit
\Users\Admin\AppData\Roaming\BrowserUpdate.exe
Filesize
36KB

MD5
8db03d30911d10446729f8ec196d46c3

SHA1
195e4bb9fc8b835de24fdba5b7dcfb8c89a5dc22

SHA256
37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b

SHA512
979cf40ca5ca7cb39237892b31b124d756b1c0587a816130138ed45d0454df1c448b977a3d990fc38672b85151708004ee5bae3d0673a9690d36481186696c05

Download Submit
\Users\Admin\AppData\Roaming\BrowserUpdate.exe
Filesize
36KB

MD5
8db03d30911d10446729f8ec196d46c3

SHA1
195e4bb9fc8b835de24fdba5b7dcfb8c89a5dc22

SHA256
37b0e0add126da3af5c4ba574955ebd4d6c77d410dfde52bed7e871570032e3b

SHA512
979cf40ca5ca7cb39237892b31b124d756b1c0587a816130138ed45d0454df1c448b977a3d990fc38672b85151708004ee5bae3d0673a9690d36481186696c05

Download Submit
memory/960-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/1992-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads