snakekeylogger | b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b

General

Target

Dekont.pdf.exe
Size

628KB
MD5

c8fa93aa2b19901add93130d7e19ac8c
SHA1

674ddfbbde28933ccd2c45192ab1fe864ce8fda8
SHA256

b161be7554c0f571a5ae4db7a8c9ea60e7126c589339073b7c0aaacbd5679e9b
SHA512

4aa0519657f0fc4589e25a0cfdf954782aa8c2b9f756655eb79f428350786f7a9492b8be979eb235010d3e6c8e2cd8b31adb8482e580e47b4752b6f087209b27
SSDEEP

12288:0WOTNXc33HunBAFnS1GDtb7AufW1mIzAnf0EFQWhf3lnacr6aSTr:j3XuBqSOqNmIzAcEFdhf5a+

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6630888620:AAE93xtVx5O2Dxt-GABfyfFS0US096iv3q8/sendMessage?chat_id=1467583453

Signatures

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

Snake Keylogger payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2180-12-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2180-14-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2180-18-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2180-22-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2180-20-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2180-25-0x0000000000500000-0x0000000000540000-memory.dmp	family_snakekeylogger
behavioral1/memory/2180-27-0x0000000000500000-0x0000000000540000-memory.dmp	family_snakekeylogger

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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Dekont.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dekont.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dekont.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dekont.pdf.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.

Processes:

flow ioc

2 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Dekont.pdf.exe

description pid process target process

PID 1888 set thread context of 2180 1888 Dekont.pdf.exe Dekont.pdf.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 1888 set thread context of 2180	1888	Dekont.pdf.exe	Dekont.pdf.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

Dekont.pdf.exeDekont.pdf.exe

pid	process
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
1888	Dekont.pdf.exe
2180	Dekont.pdf.exe
2180	Dekont.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Dekont.pdf.exeDekont.pdf.exe

description pid process

Token: SeDebugPrivilege 1888 Dekont.pdf.exe
Token: SeDebugPrivilege 2180 Dekont.pdf.exe

description	pid	process
Token: SeDebugPrivilege	1888	Dekont.pdf.exe
Token: SeDebugPrivilege	2180	Dekont.pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Dekont.pdf.exe

description	pid	process	target process
PID 1888 wrote to memory of 2420	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2420	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2420	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2420	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2180	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2180	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2180	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2180	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2180	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2180	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2180	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2180	1888	Dekont.pdf.exe	Dekont.pdf.exe
PID 1888 wrote to memory of 2180	1888	Dekont.pdf.exe	Dekont.pdf.exe

outlook_office_path 1 IoCs

Processes:

Dekont.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dekont.pdf.exe

outlook_win_path 1 IoCs

Processes:

Dekont.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Dekont.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"
2⤵
PID:2420

C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Dekont.pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2180

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1888-0-0x00000000012C0000-0x0000000001362000-memory.dmp

Filesize
648KB

Download
memory/1888-1-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1888-2-0x0000000001190000-0x00000000011D0000-memory.dmp

Filesize
256KB

Download
memory/1888-3-0x0000000000300000-0x0000000000316000-memory.dmp

Filesize
88KB

Download
memory/1888-4-0x0000000000320000-0x000000000032A000-memory.dmp

Filesize
40KB

Download
memory/1888-5-0x0000000004E20000-0x0000000004E80000-memory.dmp

Filesize
384KB

Download
memory/1888-6-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/1888-7-0x0000000001190000-0x00000000011D0000-memory.dmp

Filesize
256KB

Download
memory/1888-23-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2180-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2180-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2180-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2180-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2180-22-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2180-20-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2180-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2180-24-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-25-0x0000000000500000-0x0000000000540000-memory.dmp

Filesize
256KB

Download
memory/2180-26-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/2180-27-0x0000000000500000-0x0000000000540000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads