modiloader | 5a116045f9e40be64ae46a63626844ed4dcc5a921485b681ebdbd217664e1342

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
28-04-2022 19:28

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General

Target

tmp.exe
Size

936KB
MD5

15c6da72eb32ee1b8ea97d4320a39dff
SHA1

0033e3c5bf6d98124f273a68e3b0da9d12ea56c0
SHA256

5a116045f9e40be64ae46a63626844ed4dcc5a921485b681ebdbd217664e1342
SHA512

a3c5a3560e0fc07ce5b0d30247bda41eb71ec17b2423f586735262055d9e45c3d7421b714931935eae23aba0f273ce7e686cf595d22563052a4c6bb8ac3ff990

Score

10^/10

modiloader xloader a2c8 loader persistence rat spyware stealer 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
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

ModiLoader Second Stage 39 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2104-140-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-141-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-143-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-142-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-145-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-146-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-147-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-144-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-148-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-149-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-150-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-151-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-152-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-153-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-154-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-155-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-156-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-158-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-159-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-157-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-160-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-161-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-162-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-163-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-164-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-165-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-169-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-170-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-171-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-172-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-173-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-180-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-181-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-182-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-183-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-184-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-185-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-186-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2
behavioral2/memory/2104-187-0x0000000003970000-0x00000000039C6000-memory.dmp	modiloader_stage2

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2104-167-0x0000000010410000-0x0000000010439000-memory.dmp	xloader
behavioral2/memory/1820-168-0x0000000000000000-mapping.dmp	xloader
behavioral2/memory/760-194-0x0000000000E90000-0x0000000000EB9000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\B80PB08H = "C:\\Program Files (x86)\\Srr1\\ThumbCachek0ul.exe"	explorer.exe

Executes dropped EXE 1 IoCs

Processes:

ThumbCachek0ul.exe

pid process

744 ThumbCachek0ul.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
744	ThumbCachek0ul.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wegkdkp = "C:\\Users\\Public\\Libraries\\pkdkgeW.url"	tmp.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exeexplorer.exe

description	pid	process	target process
PID 1820 set thread context of 676	1820	logagent.exe	Explorer.EXE
PID 760 set thread context of 676	760	explorer.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

explorer.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Srr1\ThumbCachek0ul.exe	explorer.exe
File opened for modification	C:\Program Files (x86)\Srr1	Explorer.EXE
File created	C:\Program Files (x86)\Srr1\ThumbCachek0ul.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Srr1\ThumbCachek0ul.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	explorer.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

logagent.exeexplorer.exe

pid	process
1820	logagent.exe
1820	logagent.exe
1820	logagent.exe
1820	logagent.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe
760	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

676 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

logagent.exeexplorer.exe

pid process

1820 logagent.exe
1820 logagent.exe
1820 logagent.exe
760 explorer.exe
760 explorer.exe
760 explorer.exe
760 explorer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

logagent.exeexplorer.exe

description pid process

Token: SeDebugPrivilege 1820 logagent.exe
Token: SeDebugPrivilege 760 explorer.exe

pid	process
676	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1820	logagent.exe
Token: SeDebugPrivilege	760	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

tmp.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 2104 wrote to memory of 1820	2104	tmp.exe	logagent.exe
PID 2104 wrote to memory of 1820	2104	tmp.exe	logagent.exe
PID 2104 wrote to memory of 1820	2104	tmp.exe	logagent.exe
PID 2104 wrote to memory of 1820	2104	tmp.exe	logagent.exe
PID 2104 wrote to memory of 1820	2104	tmp.exe	logagent.exe
PID 2104 wrote to memory of 1820	2104	tmp.exe	logagent.exe
PID 676 wrote to memory of 760	676	Explorer.EXE	explorer.exe
PID 676 wrote to memory of 760	676	Explorer.EXE	explorer.exe
PID 676 wrote to memory of 760	676	Explorer.EXE	explorer.exe
PID 760 wrote to memory of 2692	760	explorer.exe	cmd.exe
PID 760 wrote to memory of 2692	760	explorer.exe	cmd.exe
PID 760 wrote to memory of 2692	760	explorer.exe	cmd.exe
PID 760 wrote to memory of 456	760	explorer.exe	cmd.exe
PID 760 wrote to memory of 456	760	explorer.exe	cmd.exe
PID 760 wrote to memory of 456	760	explorer.exe	cmd.exe
PID 760 wrote to memory of 4352	760	explorer.exe	Firefox.exe
PID 760 wrote to memory of 4352	760	explorer.exe	Firefox.exe
PID 676 wrote to memory of 744	676	Explorer.EXE	ThumbCachek0ul.exe
PID 676 wrote to memory of 744	676	Explorer.EXE	ThumbCachek0ul.exe
PID 676 wrote to memory of 744	676	Explorer.EXE	ThumbCachek0ul.exe
PID 760 wrote to memory of 4352	760	explorer.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:676
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\logagent.exe
    C:\Windows\System32\logagent.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1820
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Adds policy Run key to start application
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:760
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\logagent.exe"
    3⤵
    PID:2692
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    PID:456
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4352
- C:\Program Files (x86)\Srr1\ThumbCachek0ul.exe
  "C:\Program Files (x86)\Srr1\ThumbCachek0ul.exe"
  2⤵
  - Executes dropped EXE
  PID:744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Srr1\ThumbCachek0ul.exe

Filesize
86KB

MD5
523a40703dd9e7da957aa92a204cb1c4

SHA1
2a069bff58a87f7d2b405fdf87634fb2ce213b21

SHA256
058e1a4389ae837fafc6a7bdfca2abf33ceb6915410edbc4b2ebca052e4f13a6

SHA512
ca5002ebddb39acd0dbbeb77297ffb719a36bc8288ad6f2732247a28cbf1a6fe7cd238ef126f6b1cca3f259cab55a5c01e3bfcd9bda3d25097233093bdb940bf

Download Submit
C:\Program Files (x86)\Srr1\ThumbCachek0ul.exe

Filesize
86KB

MD5
523a40703dd9e7da957aa92a204cb1c4

SHA1
2a069bff58a87f7d2b405fdf87634fb2ce213b21

SHA256
058e1a4389ae837fafc6a7bdfca2abf33ceb6915410edbc4b2ebca052e4f13a6

SHA512
ca5002ebddb39acd0dbbeb77297ffb719a36bc8288ad6f2732247a28cbf1a6fe7cd238ef126f6b1cca3f259cab55a5c01e3bfcd9bda3d25097233093bdb940bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/456-199-0x0000000000000000-mapping.dmp

Download
memory/676-198-0x0000000008710000-0x0000000008864000-memory.dmp

Filesize
1.3MB

Download
memory/676-191-0x0000000007CD0000-0x0000000007D8E000-memory.dmp

Filesize
760KB

Download
memory/744-201-0x0000000000000000-mapping.dmp

Download
memory/760-197-0x0000000002CA0000-0x0000000002D30000-memory.dmp

Filesize
576KB

Download
memory/760-195-0x0000000002E70000-0x00000000031BA000-memory.dmp

Filesize
3.3MB

Download
memory/760-193-0x00000000004F0000-0x0000000000923000-memory.dmp

Filesize
4.2MB

Download
memory/760-194-0x0000000000E90000-0x0000000000EB9000-memory.dmp

Filesize
164KB

Download
memory/760-192-0x0000000000000000-mapping.dmp

Download
memory/1820-190-0x0000000002640000-0x0000000002651000-memory.dmp

Filesize
68KB

Download
memory/1820-168-0x0000000000000000-mapping.dmp

Download
memory/1820-189-0x00000000027A0000-0x0000000002AEA000-memory.dmp

Filesize
3.3MB

Download
memory/2104-154-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-183-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-158-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-159-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-157-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-160-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-161-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-162-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-163-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-164-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-165-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-167-0x0000000010410000-0x0000000010439000-memory.dmp

Filesize
164KB

Download
memory/2104-155-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-169-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-170-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-171-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-172-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-173-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-180-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-181-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-182-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-156-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-184-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-185-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-186-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-187-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-140-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-153-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-152-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-151-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-150-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-149-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-148-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-141-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-144-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-147-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-146-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-145-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-142-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2104-143-0x0000000003970000-0x00000000039C6000-memory.dmp

Filesize
344KB

Download
memory/2692-196-0x0000000000000000-mapping.dmp

Download