snakekeylogger | 4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591

General

Target

4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591.exe
Size

251KB
MD5

d27acd5a54e38e537ff1f3b3f44aa412
SHA1

d1ef4583d60eeb82f7c65f5e685ac59e5a72b799
SHA256

4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591
SHA512

13a8a68a262b98a80e44221d698ff66f2fea7ffbccc93cdeaaf595d3373eea5e5f7fde3eb172bbfbbe8d124961aa3d84355bf4dc07d466643308b8e7e7d68ce6
SSDEEP

3072:XfY/TU9fE9PEtuWbcShR2O1LqH2Z6Rz3VCrsvUq/cCEY1Degk15kB+Mou4/8LDjI:PYa6mtR272S3Vd/ciCg9igLYQhgEKOIh

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Signatures

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

Snake Keylogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/4788-141-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger
behavioral2/memory/4788-143-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger
behavioral2/memory/4788-144-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger
behavioral2/memory/4788-148-0x0000000000400000-0x0000000000437000-memory.dmp	family_snakekeylogger

Executes dropped EXE 2 IoCs

pid	Process
1120	kcqyqniig.exe
4788	kcqyqniig.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-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kcqyqniig.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kcqyqniig.exe
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kcqyqniig.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
16	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1120 set thread context of 4788	1120	kcqyqniig.exe	89

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4788	kcqyqniig.exe
4788	kcqyqniig.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1120	kcqyqniig.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4788	kcqyqniig.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 1120	4964	4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591.exe	87
PID 4964 wrote to memory of 1120	4964	4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591.exe	87
PID 4964 wrote to memory of 1120	4964	4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591.exe	87
PID 1120 wrote to memory of 4788	1120	kcqyqniig.exe	89
PID 1120 wrote to memory of 4788	1120	kcqyqniig.exe	89
PID 1120 wrote to memory of 4788	1120	kcqyqniig.exe	89
PID 1120 wrote to memory of 4788	1120	kcqyqniig.exe	89

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kcqyqniig.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	kcqyqniig.exe

C:\Users\Admin\AppData\Local\Temp\4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591.exe
"C:\Users\Admin\AppData\Local\Temp\4dec296b7065addf7c26cc23b6dc3b58c606c48bb58d0583af8ee031627b6591.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe
  "C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe" C:\Users\Admin\AppData\Local\Temp\zezrmxnjemh.atb
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe
    "C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\gzfibbsbh.inl

Filesize
225KB

MD5
e61dd48f7750693ff8ff25d8aaea3ec3

SHA1
477aa46bf3b2be326fbd59976e2dec714de2ccf1

SHA256
3f68ccde740fcb0da3b99b906d9e450eebd950988955dd84ae522c73b72c38e1

SHA512
6bf2e1432eabfcbb57d730b37f37eba229ed097b5678a03e92497d13db62d28a881f343542c29dc31eda31b1290faaad3cabdbfb291ef221f500ab2166c87317

Download Submit
C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe

Filesize
51KB

MD5
0aba9157ed0571dd1640b89556ab28eb

SHA1
702dfba0bf0c2b7d8cc9a4cc215f6836734f4c91

SHA256
1b640fb04ae897d902bc76223376eacd32b195f8716442e7e407bc999293eaf0

SHA512
9136972cf812f9e3088ecb9f4894e2c1217dfdd8fad54c065b60360e68d9bbcde87538f6c66b2017b9d9e5951e39bf8303b5837c4c860877948ce51ae3f64840

Download Submit
C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe

Filesize
51KB

MD5
0aba9157ed0571dd1640b89556ab28eb

SHA1
702dfba0bf0c2b7d8cc9a4cc215f6836734f4c91

SHA256
1b640fb04ae897d902bc76223376eacd32b195f8716442e7e407bc999293eaf0

SHA512
9136972cf812f9e3088ecb9f4894e2c1217dfdd8fad54c065b60360e68d9bbcde87538f6c66b2017b9d9e5951e39bf8303b5837c4c860877948ce51ae3f64840

Download Submit
C:\Users\Admin\AppData\Local\Temp\kcqyqniig.exe

Filesize
51KB

MD5
0aba9157ed0571dd1640b89556ab28eb

SHA1
702dfba0bf0c2b7d8cc9a4cc215f6836734f4c91

SHA256
1b640fb04ae897d902bc76223376eacd32b195f8716442e7e407bc999293eaf0

SHA512
9136972cf812f9e3088ecb9f4894e2c1217dfdd8fad54c065b60360e68d9bbcde87538f6c66b2017b9d9e5951e39bf8303b5837c4c860877948ce51ae3f64840

Download Submit
C:\Users\Admin\AppData\Local\Temp\zezrmxnjemh.atb

Filesize
5KB

MD5
76a2ae9ac905d7c86808b9b6b723fc7b

SHA1
e251a552340fdd833026d0309609dadafbbf6d86

SHA256
21959fa60059a56e75a78da2aee45baae7e57a2330e8b2d61ba98e6398bbe25e

SHA512
1420c531d59193ad4849b4fea61ba924b9b6e84748873f4e6ea08db7c3eb05b1ad570f6721f875ccb73ab41369f294f1039b6074126ee8a32930f83a274dc3ea

Download Submit
memory/4788-149-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download
memory/4788-152-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download
memory/4788-143-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4788-146-0x0000000004980000-0x0000000004F24000-memory.dmp

Filesize
5.6MB

Download
memory/4788-147-0x0000000004F40000-0x0000000004FDC000-memory.dmp

Filesize
624KB

Download
memory/4788-141-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4788-148-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4788-150-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download
memory/4788-151-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download
memory/4788-144-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/4788-153-0x0000000005C90000-0x0000000005E52000-memory.dmp

Filesize
1.8MB

Download
memory/4788-154-0x0000000005E60000-0x0000000005EF2000-memory.dmp

Filesize
584KB

Download
memory/4788-155-0x0000000006060000-0x000000000606A000-memory.dmp

Filesize
40KB

Download
memory/4788-157-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download
memory/4788-158-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download
memory/4788-159-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download
memory/4788-160-0x00000000021D0000-0x00000000021E0000-memory.dmp

Filesize
64KB

Download

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