smokeloader | 23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b

General

Target

23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe
Size

154KB
MD5

91879bdd73625ac38c31fe5225310e92
SHA1

a007b979483ee6b57b93a11340932a60f5781570
SHA256

23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b
SHA512

22678f18385ed177ed34cac52fc8667c6d6cdc2953b1818a6e530411894aa6947b04408320137af8ebd5b1d6d733f374a1d962608e0e6c234e5a43b89fe9de3c

Score

10^/10

ransomware persistence trojan backdoor smokeloader spyware botnet zloader discovery stealer raccoon

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: 2020.09.08 - 18:52:18 GMT Bot_ID: 18823CA4-5761-4226-8787-CF36135F1C68_Admin Running on a desktop =R=A=C=C=O=O=N= - Cookies: 0 - Passwords: 5 - Files: 0 System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.13 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: LZUKLIOU - Username: Admin - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (717 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display 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

02.09.2020

C2

https://fsakfkdsajdajskjajs.online/gate.php

https://fdsadjsadsdsa.online/gate.php

https://dlsafoslfskfsafad.online/gate.php

https://dsofkasfsakdsdsa.online/gate.php

https://dkjsjdsjdjasduiasida.online/gate.php

https://fqnvtmqsywublocpheas.ru/gate.php

https://fqnvtmqsywublocpheas.su/gate.php

https://fqnvtmqsywublocpheas.eu/gate.php

https://fqnvtmqsywublocpheas.net/gate.php

https://fqnvtmqsywublodscpheas.com/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
Executes dropped EXE 1 IoCs

Processes:

203C.exe

pid process

740 203C.exe
Deletes itself 1 IoCs

Processes:

pid process

2936

yara_rule
raccoon_log_file

pid	process
740	203C.exe

pid	process
2936

Loads dropped DLL 8 IoCs

Processes:

23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exeregsvr32.exe203C.exe

pid	process
408	23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe
784	regsvr32.exe
740	203C.exe
740	203C.exe
740	203C.exe
740	203C.exe
740	203C.exe
740	203C.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

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
Key created	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows\CurrentVersion\Run	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ubef = "regsvr32.exe /s C:\\Users\\Admin\\AppData\\Roaming\\Ewugfi\\ebdeoss.dll"	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 784 set thread context of 2920 784 regsvr32.exe msiexec.exe
Drops file in Windows directory 1 IoCs

Processes:

svchost.exe

description ioc process

File opened for modification C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat svchost.exe

description	pid	process	target process
PID 784 set thread context of 2920	784	regsvr32.exe	msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.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:

23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1708 timeout.exe

pid	process
1708	timeout.exe

Modifies data under HKEY_USERS 7 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = c4542f101186d601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 751e06541186d601	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 0b880b661186d601	svchost.exe

Suspicious behavior: EnumeratesProcesses 2604 IoCs

Processes:

23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe

pid	process
408	23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe
408	23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
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2936
2936
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2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
2936
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2936
2936
2936
2936
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2936
2936
2936
2936
2936
2936
2936
2936
2936

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe

pid process

408 23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

svchost.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	2064	svchost.exe
Token: SeCreatePagefilePrivilege	2064	svchost.exe
Token: SeSecurityPrivilege	2920	msiexec.exe
Token: SeSecurityPrivilege	2920	msiexec.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

regsvr32.exe203C.execmd.exeregsvr32.exe

description	pid	process	target process
PID 2936 wrote to memory of 3140	2936		regsvr32.exe
PID 2936 wrote to memory of 3140	2936		regsvr32.exe
PID 3140 wrote to memory of 784	3140	regsvr32.exe	regsvr32.exe
PID 3140 wrote to memory of 784	3140	regsvr32.exe	regsvr32.exe
PID 3140 wrote to memory of 784	3140	regsvr32.exe	regsvr32.exe
PID 2936 wrote to memory of 740	2936		203C.exe
PID 2936 wrote to memory of 740	2936		203C.exe
PID 2936 wrote to memory of 740	2936		203C.exe
PID 740 wrote to memory of 2320	740	203C.exe	cmd.exe
PID 740 wrote to memory of 2320	740	203C.exe	cmd.exe
PID 740 wrote to memory of 2320	740	203C.exe	cmd.exe
PID 2320 wrote to memory of 1708	2320	cmd.exe	timeout.exe
PID 2320 wrote to memory of 1708	2320	cmd.exe	timeout.exe
PID 2320 wrote to memory of 1708	2320	cmd.exe	timeout.exe
PID 784 wrote to memory of 2920	784	regsvr32.exe	msiexec.exe
PID 784 wrote to memory of 2920	784	regsvr32.exe	msiexec.exe
PID 784 wrote to memory of 2920	784	regsvr32.exe	msiexec.exe
PID 784 wrote to memory of 2920	784	regsvr32.exe	msiexec.exe
PID 784 wrote to memory of 2920	784	regsvr32.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe
"C:\Users\Admin\AppData\Local\Temp\23bef893e3af7cb49dc5ae0a14452ed781f841db7397dc3ebb689291fd701b6b.exe"
1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:408

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2064

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1F02.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3140

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\1F02.dll
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:2920

C:\Users\Admin\AppData\Local\Temp\203C.exe
C:\Users\Admin\AppData\Local\Temp\203C.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:740

C:\Windows\SysWOW64\cmd.exe
cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\203C.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2320

C:\Windows\SysWOW64\timeout.exe
timeout /T 10 /NOBREAK
3⤵
- Delays execution with timeout.exe
PID:1708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1F02.dll

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C:\Users\Admin\AppData\Local\Temp\203C.exe

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C:\Users\Admin\AppData\Local\Temp\203C.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\nss3.dll

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

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

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\Users\Admin\AppData\Local\Temp\1F02.dll

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

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memory/408-1-0x0000000000C50000-0x0000000000C51000-memory.dmp

Filesize
4KB

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memory/408-0-0x00000000009C1000-0x00000000009C2000-memory.dmp

Filesize
4KB

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memory/740-12-0x0000000007AB0000-0x0000000007AB1000-memory.dmp

Filesize
4KB

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memory/740-13-0x0000000007AB0000-0x0000000007AB1000-memory.dmp

Filesize
4KB

Download
memory/740-11-0x0000000006086000-0x0000000006087000-memory.dmp

Filesize
4KB

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memory/740-7-0x0000000000000000-mapping.dmp

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memory/784-6-0x0000000000000000-mapping.dmp

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memory/1708-29-0x0000000000000000-mapping.dmp

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memory/2320-27-0x0000000000000000-mapping.dmp

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memory/2920-30-0x00000000028A0000-0x00000000028CC000-memory.dmp

Filesize
176KB

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memory/2920-31-0x0000000000000000-mapping.dmp

Download
memory/2936-3-0x0000000000900000-0x0000000000916000-memory.dmp

Filesize
88KB

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memory/3140-4-0x0000000000000000-mapping.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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