modiloader | 5a116045f9e40be64ae46a63626844ed4dcc5a921485b681ebdbd217664e1342

Analysis

max time kernel
144s
max time network
155s
platform
windows7_x64
resource
win7-20220414-en
submitted
07-05-2022 04:29

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General

Target

vbc.exe
Size

936KB
MD5

15c6da72eb32ee1b8ea97d4320a39dff
SHA1

0033e3c5bf6d98124f273a68e3b0da9d12ea56c0
SHA256

5a116045f9e40be64ae46a63626844ed4dcc5a921485b681ebdbd217664e1342
SHA512

a3c5a3560e0fc07ce5b0d30247bda41eb71ec17b2423f586735262055d9e45c3d7421b714931935eae23aba0f273ce7e686cf595d22563052a4c6bb8ac3ff990

Score

10^/10

modiloader xloader a2c8 loader persistence rat suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

a2c8

Decoy

sethdukes.online

hustl-hk.com

alienspacebabes.com

yitongbag.com

adlichoob.com

wejust5.com

wwwsnapfinancial.com

patriotcapitalgroupllc.com

divaconnectionbuild.com

adventureventures.net

jaromer.net

closureservices.com

sdc-english.com

fleet-lab.com

gtgits.com

clinicaorion.com

deleaderainfluenceur.com

honghuamach.net

638661.com

sleepgenies.info

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

ModiLoader Second Stage 31 IoCs

resource	yara_rule
behavioral1/memory/1532-65-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-66-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-68-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-67-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-69-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-70-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-72-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-71-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-73-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-74-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-76-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-75-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-77-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-78-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-80-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-79-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-81-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-82-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-84-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-83-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-85-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-86-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-87-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-88-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-90-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-89-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-96-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-97-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-98-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-101-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2
behavioral1/memory/1532-100-0x00000000041A0000-0x00000000041F6000-memory.dmp	modiloader_stage2

Xloader Payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1532-92-0x0000000010410000-0x0000000010439000-memory.dmp	xloader
behavioral1/memory/1668-95-0x0000000000000000-mapping.dmp	xloader
behavioral1/memory/1668-105-0x0000000010410000-0x0000000010439000-memory.dmp	xloader
behavioral1/memory/1684-113-0x0000000000110000-0x0000000000139000-memory.dmp	xloader

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wegkdkp = "C:\\Users\\Public\\Libraries\\pkdkgeW.url"	vbc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 1268	1668	DpiScaling.exe	16
PID 1684 set thread context of 1268	1684	chkdsk.exe	16

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1668	DpiScaling.exe
1668	DpiScaling.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe
1684	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1668	DpiScaling.exe
1668	DpiScaling.exe
1668	DpiScaling.exe
1684	chkdsk.exe
1684	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	DpiScaling.exe
Token: SeDebugPrivilege	1684	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 1668	1532	vbc.exe	29
PID 1532 wrote to memory of 1668	1532	vbc.exe	29
PID 1532 wrote to memory of 1668	1532	vbc.exe	29
PID 1532 wrote to memory of 1668	1532	vbc.exe	29
PID 1532 wrote to memory of 1668	1532	vbc.exe	29
PID 1532 wrote to memory of 1668	1532	vbc.exe	29
PID 1532 wrote to memory of 1668	1532	vbc.exe	29
PID 1268 wrote to memory of 1684	1268	Explorer.EXE	30
PID 1268 wrote to memory of 1684	1268	Explorer.EXE	30
PID 1268 wrote to memory of 1684	1268	Explorer.EXE	30
PID 1268 wrote to memory of 1684	1268	Explorer.EXE	30
PID 1684 wrote to memory of 268	1684	chkdsk.exe	31
PID 1684 wrote to memory of 268	1684	chkdsk.exe	31
PID 1684 wrote to memory of 268	1684	chkdsk.exe	31
PID 1684 wrote to memory of 268	1684	chkdsk.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1532
- - C:\Windows\SysWOW64\DpiScaling.exe
    C:\Windows\System32\DpiScaling.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1668
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\DpiScaling.exe"
    3⤵
    PID:268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1268-110-0x0000000007060000-0x00000000071E5000-memory.dmp

Filesize
1.5MB

Download
memory/1268-117-0x00000000071F0000-0x0000000007346000-memory.dmp

Filesize
1.3MB

Download
memory/1532-86-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-70-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-69-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-88-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-72-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-71-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-73-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-74-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-76-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-75-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-77-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-78-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-80-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-79-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-81-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-90-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-84-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-83-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-85-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-54-0x0000000076241000-0x0000000076243000-memory.dmp

Filesize
8KB

Download
memory/1532-65-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-67-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-82-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-89-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-92-0x0000000010410000-0x0000000010439000-memory.dmp

Filesize
164KB

Download
memory/1532-87-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-66-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-96-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-97-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-98-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-101-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-100-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1532-68-0x00000000041A0000-0x00000000041F6000-memory.dmp

Filesize
344KB

Download
memory/1668-106-0x00000000020D0000-0x00000000023D3000-memory.dmp

Filesize
3.0MB

Download
memory/1668-108-0x0000000000270000-0x0000000000281000-memory.dmp

Filesize
68KB

Download
memory/1668-105-0x0000000010410000-0x0000000010439000-memory.dmp

Filesize
164KB

Download
memory/1668-93-0x0000000010410000-0x0000000010439000-memory.dmp

Filesize
164KB

Download
memory/1684-114-0x0000000001F00000-0x0000000002203000-memory.dmp

Filesize
3.0MB

Download
memory/1684-113-0x0000000000110000-0x0000000000139000-memory.dmp

Filesize
164KB

Download
memory/1684-112-0x0000000000820000-0x0000000000827000-memory.dmp

Filesize
28KB

Download
memory/1684-116-0x0000000001CC0000-0x0000000001D50000-memory.dmp

Filesize
576KB

Download