snakekeylogger | f9e09542f11fe29c6598025e604cca4e09b2ae75738e40fd143bc7b13f93b1e9

Analysis

max time kernel
194s
max time network
212s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
11/02/2023, 08:48

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General

Target
P.O #T10075M01.pdf.exe
Size 288KB
Sample230211-kqgdmscb42
SHA256 f9e09542f11fe29c6598025e604cca4e09b2ae75738e40fd143bc7b13f93b1e9
MD5 af9baee1044237f9257cd170c4b0e6e8
SHA1 f78279f3bcaed73e0b47f231e7cdb9de24f95b5b
SHA512 59d10704819b340d40845e89af7664658cdb53b16d773a173c031b9c1f4998e7a5b8d593d2ba096209ab255431dbd496d5e47c394e2b207c49b343a11d4280ee
SSDEEP 6144:vYa6U7TigZBHDWcSYYIuUOCS4yKSKUe05cYAMH6dc:vYa72+bSYYIACS2SFl3AMUc
MD5 SHA1 SHA512 SSDEEP

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 1 IoCs

resource	yara_rule
behavioral2/memory/4336-141-0x0000000000400000-0x0000000000438000-memory.dmp	family_snakekeylogger

Executes dropped EXE 2 IoCs

pid	Process
2416	xxffqsegbh.exe
4336	xxffqsegbh.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-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xxffqsegbh.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xxffqsegbh.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xxffqsegbh.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
35	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2416 set thread context of 4336	2416	xxffqsegbh.exe	81

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
4336	xxffqsegbh.exe
4336	xxffqsegbh.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2416	xxffqsegbh.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4336	xxffqsegbh.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4428 wrote to memory of 2416	4428	P.O #T10075M01.pdf.exe	80
PID 4428 wrote to memory of 2416	4428	P.O #T10075M01.pdf.exe	80
PID 4428 wrote to memory of 2416	4428	P.O #T10075M01.pdf.exe	80
PID 2416 wrote to memory of 4336	2416	xxffqsegbh.exe	81
PID 2416 wrote to memory of 4336	2416	xxffqsegbh.exe	81
PID 2416 wrote to memory of 4336	2416	xxffqsegbh.exe	81
PID 2416 wrote to memory of 4336	2416	xxffqsegbh.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xxffqsegbh.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xxffqsegbh.exe

C:\Users\Admin\AppData\Local\Temp\P.O #T10075M01.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\P.O #T10075M01.pdf.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4428
- C:\Users\Admin\AppData\Local\Temp\xxffqsegbh.exe
  "C:\Users\Admin\AppData\Local\Temp\xxffqsegbh.exe" C:\Users\Admin\AppData\Local\Temp\kdwjp.zpn
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Users\Admin\AppData\Local\Temp\xxffqsegbh.exe
    "C:\Users\Admin\AppData\Local\Temp\xxffqsegbh.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

kdwjp.zpn

Path C:\Users\Admin\AppData\Local\Temp\kdwjp.zpn
Size 5KB
SHA256 f92d63c022539f07baf0e2b48ceeb00edd5cd125a23360cd39060bbe90dcd074
MD5 e7119a45b143db2f789e5cd2ef6dc501
SHA1 03dd356719669b5f86838fe898e42b5939da9ff1
SHA512 e5c3eba42ff936a1fe7ab5329a3e65207adf57f76c9bbe2fa65b2b0f96536d3ed942b5625f96b58ba78d9fcb92dc319da0d9c84f3d60e16f2633fff43eb635db
SSDEEP 96:Farc6oYpVg/DrYuHk2XO5oSwYD+Ly0S52KdkcMhrdttRkwKOH8Cw++m081DJi6p:FarcRHPhX1S9WK2KdkrhZ5kwuap1D7
MD5 SHA1 SHA512 SSDEEP

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xxffqsegbh.exe

Path C:\Users\Admin\AppData\Local\Temp\xxffqsegbh.exe
Size 122KB
SHA256 a0453d935d2f971259b3f06affb1ac1118b06409fc2acaf6412f8bc741cfaeb4
MD5 c640fbe7e430386adb1bab8c746d5341
SHA1 73755d9c6947ad9e6f1db7a77354ecdc1e1f9c12
SHA512 2ee8eb8e2b1b099a18aad2893b1cfa1e925cf90021a76c453adb40314afebcf837c893c3f5c0492310cc03d265882829eb8738719aa7ff84303914428e2d1c65
SSDEEP 3072:nO9HnbxJtsvSRrKBwlM6zerg+huGCH/c25U/wdijnI3vfqjDPHaqKr:OnJtRoBH6zergb/c6igmK
MD5 SHA1 SHA512 SSDEEP

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xxffqsegbh.exe

Path C:\Users\Admin\AppData\Local\Temp\xxffqsegbh.exe
Size 122KB
SHA256 a0453d935d2f971259b3f06affb1ac1118b06409fc2acaf6412f8bc741cfaeb4
MD5 c640fbe7e430386adb1bab8c746d5341
SHA1 73755d9c6947ad9e6f1db7a77354ecdc1e1f9c12
SHA512 2ee8eb8e2b1b099a18aad2893b1cfa1e925cf90021a76c453adb40314afebcf837c893c3f5c0492310cc03d265882829eb8738719aa7ff84303914428e2d1c65
SSDEEP 3072:nO9HnbxJtsvSRrKBwlM6zerg+huGCH/c25U/wdijnI3vfqjDPHaqKr:OnJtRoBH6zergb/c6igmK
MD5 SHA1 SHA512 SSDEEP

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xxffqsegbh.exe

Path C:\Users\Admin\AppData\Local\Temp\xxffqsegbh.exe
Size 122KB
SHA256 a0453d935d2f971259b3f06affb1ac1118b06409fc2acaf6412f8bc741cfaeb4
MD5 c640fbe7e430386adb1bab8c746d5341
SHA1 73755d9c6947ad9e6f1db7a77354ecdc1e1f9c12
SHA512 2ee8eb8e2b1b099a18aad2893b1cfa1e925cf90021a76c453adb40314afebcf837c893c3f5c0492310cc03d265882829eb8738719aa7ff84303914428e2d1c65
SSDEEP 3072:nO9HnbxJtsvSRrKBwlM6zerg+huGCH/c25U/wdijnI3vfqjDPHaqKr:OnJtRoBH6zergb/c6igmK
MD5 SHA1 SHA512 SSDEEP

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ylqwgjyw.yc

Path C:\Users\Admin\AppData\Local\Temp\ylqwgjyw.yc
Size 226KB
SHA256 b081cc4117c24593f64d5c5a1bda17ae40aa03a70ad26f4d5281b2ad9273d4d3
MD5 3d1816a610a94182ddb424a05c637fbf
SHA1 44f2286b0451cd35c8754645b3a7c7151496009c
SHA512 aa3dfd1ee4e7ff62c84e6af6c4f73736d3f7cea1da025f9a32acb1a6c28e76a561ce0ff3b8ab62ae63c13f1371549eac0d345c3884a8e0bca285425f549351d6
SSDEEP 6144:ycsTvNKDa8VeI9ysRseMr6NMpUF/+4nPY1r:fsUeeywsn8MpUFmPr
MD5 SHA1 SHA512 SSDEEP

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memory/4336-139-0x0000000005750000-0x0000000005CF4000-memory.dmp

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memory/4336-140-0x00000000051A0000-0x000000000523C000-memory.dmp

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memory/4336-141-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/4336-142-0x0000000006420000-0x00000000065E2000-memory.dmp

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memory/4336-143-0x00000000062F0000-0x0000000006382000-memory.dmp

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memory/4336-144-0x00000000062E0000-0x00000000062EA000-memory.dmp

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