snakekeylogger | 1092d7ec9366334de4f4a244154a01816d343523764573546eceec51f5e36976

General

Target

arinzezx.exe
Size

918KB
MD5

b7820bc9cd73d4378a5d7017aad0b803
SHA1

d5df3228d5683a4648b2998cdff593e667860ea3
SHA256

1092d7ec9366334de4f4a244154a01816d343523764573546eceec51f5e36976
SHA512

b55389c636776edad9c4c757b9eed3b1984d33e072868d6591634c987b3da286297de5ac41047722baec39a2bacac96880dceb518912be7b1a927dffa6916a9c
SSDEEP

24576:J1bgzPGhgzfYdqVEtFAE7fNnACQ+iZ0EwMYeT:JZyPyyw8aeCQ+M1wMYeT

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
cp5ua.hyperhost.ua
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/908-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/908-65-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/908-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/908-67-0x000000000042081E-mapping.dmp	family_snakekeylogger
behavioral1/memory/908-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/908-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1292 set thread context of 908	1292	arinzezx.exe	28

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1292	arinzezx.exe
908	arinzezx.exe
908	arinzezx.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	arinzezx.exe
Token: SeDebugPrivilege	908	arinzezx.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 584	1292	arinzezx.exe	27
PID 1292 wrote to memory of 584	1292	arinzezx.exe	27
PID 1292 wrote to memory of 584	1292	arinzezx.exe	27
PID 1292 wrote to memory of 584	1292	arinzezx.exe	27
PID 1292 wrote to memory of 908	1292	arinzezx.exe	28
PID 1292 wrote to memory of 908	1292	arinzezx.exe	28
PID 1292 wrote to memory of 908	1292	arinzezx.exe	28
PID 1292 wrote to memory of 908	1292	arinzezx.exe	28
PID 1292 wrote to memory of 908	1292	arinzezx.exe	28
PID 1292 wrote to memory of 908	1292	arinzezx.exe	28
PID 1292 wrote to memory of 908	1292	arinzezx.exe	28
PID 1292 wrote to memory of 908	1292	arinzezx.exe	28
PID 1292 wrote to memory of 908	1292	arinzezx.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	arinzezx.exe

C:\Users\Admin\AppData\Local\Temp\arinzezx.exe
"C:\Users\Admin\AppData\Local\Temp\arinzezx.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Users\Admin\AppData\Local\Temp\arinzezx.exe
  "C:\Users\Admin\AppData\Local\Temp\arinzezx.exe"
  2⤵
  PID:584
- C:\Users\Admin\AppData\Local\Temp\arinzezx.exe
  "C:\Users\Admin\AppData\Local\Temp\arinzezx.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/908-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/908-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/908-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/908-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/908-60-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/908-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/908-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1292-55-0x00000000759C1000-0x00000000759C3000-memory.dmp

Filesize
8KB

Download
memory/1292-54-0x0000000001320000-0x000000000140C000-memory.dmp

Filesize
944KB

Download
memory/1292-59-0x0000000000E10000-0x0000000000E38000-memory.dmp

Filesize
160KB

Download
memory/1292-58-0x0000000007D60000-0x0000000007DE2000-memory.dmp

Filesize
520KB

Download
memory/1292-57-0x0000000000770000-0x000000000077C000-memory.dmp

Filesize
48KB

Download
memory/1292-56-0x00000000004F0000-0x0000000000504000-memory.dmp

Filesize
80KB

Download

Analysis

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