snakekeylogger | 57ded1368d1a4e13a6220b144f2b78cc91e915fccd66a9193bc2d9fe8d758432

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
05/10/2022, 09:11

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Purchase Order-6630T.exe
Size 1.3MB
Sample221005-k5llxaeafk
SHA256 57ded1368d1a4e13a6220b144f2b78cc91e915fccd66a9193bc2d9fe8d758432
MD5 4d7a01b055c96307d5ea406cd2adf368
SHA1 5de0541482709b987427ae92eaf46a9add607388
SHA512 20c600c8c2fc0f79c772de2b8dddfd9784ac9dfbb31c5bebff5f145fe445da9afa76777b0c9183dd79173798f7036ed9de0c0f56e694c6bd59e4007cfc14c79d
SSDEEP 12288:MnjoGOlk4/cnWZQzjFeM6DJOjB9sTTHyLTHNuaz+K9WVReHsXCwPCglEv:t1cnYQb6VOX+yEasv4
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger wshrat collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
mail.shaqone.shop
Port
587
Username
[email protected]
Password
qPV%6P+jrcf3hV8WFP
Email to
[email protected]

Extracted

Family

wshrat

http://rze6.sytes.net:4000

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/804-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/804-74-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/804-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/804-76-0x000000000042014E-mapping.dmp	family_snakekeylogger
behavioral1/memory/804-80-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/804-78-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blocklisted process makes network request 17 IoCs

flow	pid	Process
6	1640	wscript.exe
9	1640	wscript.exe
10	1640	wscript.exe
12	1640	wscript.exe
13	1640	wscript.exe
14	1640	wscript.exe
16	1640	wscript.exe
17	1640	wscript.exe
18	1640	wscript.exe
20	1640	wscript.exe
21	1640	wscript.exe
22	1640	wscript.exe
24	1640	wscript.exe
25	1640	wscript.exe
26	1640	wscript.exe
28	1640	wscript.exe
29	1640	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Jemfblxeusczzbuild.js	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Jemfblxeusczzbuild.js	wscript.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order-6630T.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order-6630T.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order-6630T.exe

Adds Run key to start application 2 TTPs 9 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Jemfblxeusczzbuild = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Jemfblxeusczzbuild.js\""	WScript.exe
Key created	\REGISTRY\MACHINE\software\Wow6432Node\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Jemfblxeusczzbuild = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Jemfblxeusczzbuild.js\""	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Jemfblxeusczzbuild = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Jemfblxeusczzbuild.js\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Jemfblxeusczzbuild = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Jemfblxeusczzbuild.js\""	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Utmlnipujo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Tovisqmi\\Utmlnipujo.exe\""	Purchase Order-6630T.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\software\microsoft\windows\currentversion\run	WScript.exe
Key created	\REGISTRY\MACHINE\software\Wow6432Node\microsoft\windows\currentversion\run	wscript.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1468 set thread context of 804	1468	Purchase Order-6630T.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Script User-Agent 17 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	28	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	9	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	20	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	21	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	25	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	29	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	16	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	18	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	24	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	13	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	22	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	14	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	17	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	26	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	6	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	10	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript
HTTP User-Agent header	12	WSHRAT\|94A7BB46\|RYNKSFQE\|Admin\|Microsoft Windows 7 Ultimate \|plus\|nan-av\|false - 5/10/2022\|JavaScript

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
696	powershell.exe
1468	Purchase Order-6630T.exe
1468	Purchase Order-6630T.exe
804	Purchase Order-6630T.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	696	powershell.exe
Token: SeDebugPrivilege	1468	Purchase Order-6630T.exe
Token: SeDebugPrivilege	804	Purchase Order-6630T.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 696	1468	Purchase Order-6630T.exe	27
PID 1468 wrote to memory of 696	1468	Purchase Order-6630T.exe	27
PID 1468 wrote to memory of 696	1468	Purchase Order-6630T.exe	27
PID 1468 wrote to memory of 696	1468	Purchase Order-6630T.exe	27
PID 1468 wrote to memory of 1732	1468	Purchase Order-6630T.exe	29
PID 1468 wrote to memory of 1732	1468	Purchase Order-6630T.exe	29
PID 1468 wrote to memory of 1732	1468	Purchase Order-6630T.exe	29
PID 1468 wrote to memory of 1732	1468	Purchase Order-6630T.exe	29
PID 1732 wrote to memory of 1640	1732	WScript.exe	30
PID 1732 wrote to memory of 1640	1732	WScript.exe	30
PID 1732 wrote to memory of 1640	1732	WScript.exe	30
PID 1732 wrote to memory of 1640	1732	WScript.exe	30
PID 1468 wrote to memory of 804	1468	Purchase Order-6630T.exe	32
PID 1468 wrote to memory of 804	1468	Purchase Order-6630T.exe	32
PID 1468 wrote to memory of 804	1468	Purchase Order-6630T.exe	32
PID 1468 wrote to memory of 804	1468	Purchase Order-6630T.exe	32
PID 1468 wrote to memory of 804	1468	Purchase Order-6630T.exe	32
PID 1468 wrote to memory of 804	1468	Purchase Order-6630T.exe	32
PID 1468 wrote to memory of 804	1468	Purchase Order-6630T.exe	32
PID 1468 wrote to memory of 804	1468	Purchase Order-6630T.exe	32
PID 1468 wrote to memory of 804	1468	Purchase Order-6630T.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order-6630T.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order-6630T.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order-6630T.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order-6630T.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:696
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Jemfblxeusczzbuild.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\SysWOW64\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Jemfblxeusczzbuild.js"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    - Adds Run key to start application
    PID:1640
- C:\Users\Admin\AppData\Local\Temp\Purchase Order-6630T.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order-6630T.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:804

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

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

Jemfblxeusczzbuild.js

Path C:\Users\Admin\AppData\Local\Temp\Jemfblxeusczzbuild.js
Size 21KB
SHA256 30e25144d8c3639fad6741c664ce2444076a53176acd50c0760c71c800c05d79
MD5 cbae567eae4873a19dc1d77885e3ea0f
SHA1 669b5cce2f71651aac783b714140e20552c244fe
SHA512 85a25484308c03b70418a86878c67a0b0689b1c5f55a78e4c835d5ccb3b256b4b53344d97f6779320d6d0ee50077afb9938e95a32b5058a3c4df100db481c4c9
SSDEEP 384:z/+tc8v+YhrKZKZXeX5U7CP9fD0eX5GrnB63vQOaSDsvkysjqFJ8TatW8TaUxTam:z/+tbv+YhdZXeXic9fD0eXknB6Y6Dsv7
MD5 SHA1 SHA512 SSDEEP

Submit Download

Jemfblxeusczzbuild.js

Path C:\Users\Admin\AppData\Roaming\Jemfblxeusczzbuild.js
Size 21KB
SHA256 30e25144d8c3639fad6741c664ce2444076a53176acd50c0760c71c800c05d79
MD5 cbae567eae4873a19dc1d77885e3ea0f
SHA1 669b5cce2f71651aac783b714140e20552c244fe
SHA512 85a25484308c03b70418a86878c67a0b0689b1c5f55a78e4c835d5ccb3b256b4b53344d97f6779320d6d0ee50077afb9938e95a32b5058a3c4df100db481c4c9
SSDEEP 384:z/+tc8v+YhrKZKZXeX5U7CP9fD0eX5GrnB63vQOaSDsvkysjqFJ8TatW8TaUxTam:z/+tbv+YhdZXeXic9fD0eXknB6Y6Dsv7
MD5 SHA1 SHA512 SSDEEP

Submit Download

Jemfblxeusczzbuild.js

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Jemfblxeusczzbuild.js
Size 21KB
SHA256 0e74f9752e3f1275513a056fb3cf6e7cb6c895b24240e2ba94f7fe8b1ef5f74b
MD5 13632cdf1e0ece6910a0bbce4271a3e4
SHA1 d462a082e5c7366fd992547dca1c5dbed6aeddf0
SHA512 10d5cd2392303a57c28ccfcdbedb475dcf6c9f7773f9748987efc83a68c84ae0e21468fef889b5651cf874fc1736a7ef4879ff5b803782082e0eb512f49d8df5
SSDEEP 3::
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/696-58-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Download

memory/696-59-0x000000006FFC0000-0x000000007056B000-memory.dmp

Download

memory/696-60-0x000000006FFC0000-0x000000007056B000-memory.dmp

Download

memory/696-61-0x000000006FFC0000-0x000000007056B000-memory.dmp

Download

memory/804-72-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/804-69-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/804-70-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/804-74-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/804-75-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/804-80-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/804-78-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1468-56-0x0000000000BB0000-0x0000000000C42000-memory.dmp

Download

memory/1468-55-0x00000000002A0000-0x000000000034A000-memory.dmp

Download

memory/1468-54-0x0000000001270000-0x00000000013C0000-memory.dmp

Download