zloader | a8cbc1707cbf767b2923fd7d77a8ab5b7d7be65af2439afabb41e8715f31c092

General

Target

4km8TqjC.tmp.exe
Size

189KB
MD5

2888f57e020661ec120a6ad3d7299a48
SHA1

97e5a7863375fb937603cc4631ffe4c1cb0a49ef
SHA256

a8cbc1707cbf767b2923fd7d77a8ab5b7d7be65af2439afabb41e8715f31c092
SHA512

7f8ea966a9b29530c5ec997aebc0583d52c9653f775b60c271452ad6890e58e3a51c77c4b866babdb85372b0994bb2e5a68fabd0fcc4a1a4655c2e9522a93703

Score

10^/10

ransomware spyware discovery trojan botnet zloader stealer raccoon backdoor smokeloader persistence

Malware Config

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

Family

raccoon

Ransom Note

[Raccoon Stealer] - v1.5.13-af-hotfix Release Build compiled on Mon Jul 6 14:33:03 2020 Launched at: 2020.09.22 - 12:06:01 GMT Bot_ID: BAE8C589-5DA1-4C62-BE46-F8D74908CB8C_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 0 - Files: 0 System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.51 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: AVGLFESB - Username: Admin - Windows version: NT 6.1 - Product name: Windows 7 Professional - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 2047 MB (422 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Extracted

Family

smokeloader

Version

2020

C2

http://dkajsdjiqwdwnfj.info/

http://2831ujedkdajsdj.info/

http://928eijdksasnfss.info/

https://dkajsdjiqwdwnfj.info/

https://2831ujedkdajsdj.info/

https://928eijdksasnfss.info/

rc4.i32

Extracted

Family

zloader

Botnet

DLLobnova

Campaign

02.09.2020dll

C2

https://fqnvtmqsywublocpheas.ru/gate.php

https://fqnvtmqsywublocpheas.su/gate.php

https://fqnvtmqsywublocpheas.eu/gate.php

https://fqnvtmqsywuikdjsmasablocpheas.eu/gate.php

https://fqnssvtmqsywufblocpheas.eu/gate.php

https://fqnvtmqsywublfocpheas.eu/gate.php

https://fqnvtmqsyfwublocpheas.eu/gate.php

https://fqnvtmqsywubflocpheas.eu/gate.php

rc4.plain

rsa_pubkey.plain

Signatures

Raccoon
Simple but powerful infostealer which was very active in 2019.
stealer raccoon
Raccoon log file 1 IoCs
Detects a log file produced by the Raccoon Stealer.

Processes:

yara_rule

raccoon_log_file
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader
Blacklisted process makes network request 2 IoCs

Processes:

msiexec.exe

flow pid process

17 1416 msiexec.exe
18 1416 msiexec.exe
Executes dropped EXE 1 IoCs

Processes:

D4BE.exe

pid process

1936 D4BE.exe
Deletes itself 1 IoCs

Processes:

pid process

1276
Loads dropped DLL 10 IoCs

Processes:

4km8TqjC.tmp.exeregsvr32.exeD4BE.exe

pid process

1124 4km8TqjC.tmp.exe
1908 regsvr32.exe
1936 D4BE.exe
1936 D4BE.exe
1936 D4BE.exe
1936 D4BE.exe
1936 D4BE.exe
1936 D4BE.exe
1936 D4BE.exe
1936 D4BE.exe
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

yara_rule
raccoon_log_file

flow	pid	process
17	1416	msiexec.exe
18	1416	msiexec.exe

pid	process
1936	D4BE.exe

pid	process
1276

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\Roowwo = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Aciszu\\piwoboty.dll"	msiexec.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

JavaScript code in executable 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll	js

Suspicious use of SetThreadContext 1 IoCs

Processes:

regsvr32.exe

description pid process target process

PID 1908 set thread context of 1416 1908 regsvr32.exe msiexec.exe

description	pid	process	target process
PID 1908 set thread context of 1416	1908	regsvr32.exe	msiexec.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

4km8TqjC.tmp.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4km8TqjC.tmp.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4km8TqjC.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4km8TqjC.tmp.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1980 timeout.exe

pid	process
1980	timeout.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

D4BE.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	D4BE.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	D4BE.exe

Suspicious behavior: EnumeratesProcesses 773 IoCs

Processes:

4km8TqjC.tmp.exe

pid	process
1124	4km8TqjC.tmp.exe
1124	4km8TqjC.tmp.exe
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

4km8TqjC.tmp.exe

pid process

1124 4km8TqjC.tmp.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

msiexec.exe

description pid process

Token: SeSecurityPrivilege 1416 msiexec.exe
Token: SeSecurityPrivilege 1416 msiexec.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

pid process

1276
1276
1276
1276
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

pid process

1276
1276
1276
1276

description	pid	process
Token: SeSecurityPrivilege	1416	msiexec.exe
Token: SeSecurityPrivilege	1416	msiexec.exe

pid	process
1276
1276
1276
1276

pid	process
1276
1276
1276
1276

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

regsvr32.exeD4BE.execmd.exeregsvr32.exe

description	pid	process	target process
PID 1276 wrote to memory of 1876	1276		regsvr32.exe
PID 1276 wrote to memory of 1876	1276		regsvr32.exe
PID 1276 wrote to memory of 1876	1276		regsvr32.exe
PID 1276 wrote to memory of 1876	1276		regsvr32.exe
PID 1276 wrote to memory of 1876	1276		regsvr32.exe
PID 1876 wrote to memory of 1908	1876	regsvr32.exe	regsvr32.exe
PID 1876 wrote to memory of 1908	1876	regsvr32.exe	regsvr32.exe
PID 1876 wrote to memory of 1908	1876	regsvr32.exe	regsvr32.exe
PID 1876 wrote to memory of 1908	1876	regsvr32.exe	regsvr32.exe
PID 1876 wrote to memory of 1908	1876	regsvr32.exe	regsvr32.exe
PID 1876 wrote to memory of 1908	1876	regsvr32.exe	regsvr32.exe
PID 1876 wrote to memory of 1908	1876	regsvr32.exe	regsvr32.exe
PID 1276 wrote to memory of 1936	1276		D4BE.exe
PID 1276 wrote to memory of 1936	1276		D4BE.exe
PID 1276 wrote to memory of 1936	1276		D4BE.exe
PID 1276 wrote to memory of 1936	1276		D4BE.exe
PID 1936 wrote to memory of 1320	1936	D4BE.exe	cmd.exe
PID 1936 wrote to memory of 1320	1936	D4BE.exe	cmd.exe
PID 1936 wrote to memory of 1320	1936	D4BE.exe	cmd.exe
PID 1936 wrote to memory of 1320	1936	D4BE.exe	cmd.exe
PID 1320 wrote to memory of 1980	1320	cmd.exe	timeout.exe
PID 1320 wrote to memory of 1980	1320	cmd.exe	timeout.exe
PID 1320 wrote to memory of 1980	1320	cmd.exe	timeout.exe
PID 1320 wrote to memory of 1980	1320	cmd.exe	timeout.exe
PID 1908 wrote to memory of 1416	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1416	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1416	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1416	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1416	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1416	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1416	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1416	1908	regsvr32.exe	msiexec.exe
PID 1908 wrote to memory of 1416	1908	regsvr32.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\4km8TqjC.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\4km8TqjC.tmp.exe"
1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1124

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\D29B.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1876

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\D29B.dll
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Blacklisted process makes network request
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:1416

C:\Users\Admin\AppData\Local\Temp\D4BE.exe
C:\Users\Admin\AppData\Local\Temp\D4BE.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\SysWOW64\cmd.exe
cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\D4BE.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\SysWOW64\timeout.exe
timeout /T 10 /NOBREAK
3⤵
- Delays execution with timeout.exe
PID:1980

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

2

T1112

Install Root Certificate

1

T1130

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\D29B.dll

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C:\Users\Admin\AppData\Local\Temp\D4BE.exe

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C:\Users\Admin\AppData\Local\Temp\D4BE.exe

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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll

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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\freebl3.dll

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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\mozglue.dll

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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\msvcp140.dll

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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\nss3.dll

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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\softokn3.dll

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\Users\Admin\AppData\LocalLow\3098htrhpen8ifg0\vcruntime140.dll

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\Users\Admin\AppData\LocalLow\sqlite3.dll

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\Users\Admin\AppData\Local\Temp\210A.tmp

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\Users\Admin\AppData\Local\Temp\D29B.dll

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memory/464-12-0x000007FEF6980000-0x000007FEF6BFA000-memory.dmp

Filesize
2.5MB

Download
memory/1124-0-0x000000000609B000-0x000000000609C000-memory.dmp

Filesize
4KB

Download
memory/1124-1-0x00000000079E0000-0x00000000079F1000-memory.dmp

Filesize
68KB

Download
memory/1276-3-0x0000000003D60000-0x0000000003D76000-memory.dmp

Filesize
88KB

Download
memory/1320-22-0x0000000000000000-mapping.dmp

Download
memory/1416-26-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1416-24-0x0000000000090000-0x00000000000BB000-memory.dmp

Filesize
172KB

Download
memory/1416-27-0x0000000000000000-mapping.dmp

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memory/1416-25-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/1876-4-0x0000000000000000-mapping.dmp

Download
memory/1908-6-0x0000000000000000-mapping.dmp

Download
memory/1936-8-0x0000000000000000-mapping.dmp

Download
memory/1936-11-0x0000000007B00000-0x0000000007B11000-memory.dmp

Filesize
68KB

Download
memory/1936-10-0x000000000618B000-0x000000000618C000-memory.dmp

Filesize
4KB

Download
memory/1980-23-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads