snakekeylogger | d00df0899a734a3446d165fdf7f18e43e40b85b3296eb0b00e1d1fa2bd8f9bc9

General

Target

DEKONT S_659332597pdf.exe
Size

84KB
MD5

7704ab6ad00b8b76f7669f49cbb4c61c
SHA1

68ddf50320e14400d15786db01c63e2d9f7c57fc
SHA256

d00df0899a734a3446d165fdf7f18e43e40b85b3296eb0b00e1d1fa2bd8f9bc9
SHA512

95c9358b9624511a1997031e2b983123518513489e6d0e03eaedddaa5185a299902971d87913fe04144bcb320303fb8b7fa090285135bf91046602c6ed549302
SSDEEP

1536:NTS1f1IEYJ3EoNQoB1qmy5eEw8IufaDRVOP/pa7zgr:NTGNIvJQoBueJuIR8PhaYr

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6350529534:AAEbFW9VBWTKQfN1Y3K_5RJARCtOn1UqK8o/sendMessage?chat_id=1467583453

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1364-10-0x0000000140000000-0x0000000140022000-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 S_659332597pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DEKONT S_659332597pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DEKONT S_659332597pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DEKONT S_659332597pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

DEKONT S_659332597pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PDF20231031 = "C:\\Users\\Admin\\AppData\\Roaming\\PDF20231031.exe"	DEKONT S_659332597pdf.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

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

Processes:

DEKONT S_659332597pdf.exe

description pid process target process

PID 1988 set thread context of 1364 1988 DEKONT S_659332597pdf.exe DEKONT S_659332597pdf.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

DEKONT S_659332597pdf.exe

pid process

1364 DEKONT S_659332597pdf.exe
1364 DEKONT S_659332597pdf.exe
1364 DEKONT S_659332597pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DEKONT S_659332597pdf.exeDEKONT S_659332597pdf.exe

description pid process

Token: SeDebugPrivilege 1988 DEKONT S_659332597pdf.exe
Token: SeDebugPrivilege 1364 DEKONT S_659332597pdf.exe

flow	ioc
64	checkip.dyndns.org

description	pid	process	target process
PID 1988 set thread context of 1364	1988	DEKONT S_659332597pdf.exe	DEKONT S_659332597pdf.exe

pid	process
1364	DEKONT S_659332597pdf.exe
1364	DEKONT S_659332597pdf.exe
1364	DEKONT S_659332597pdf.exe

description	pid	process
Token: SeDebugPrivilege	1988	DEKONT S_659332597pdf.exe
Token: SeDebugPrivilege	1364	DEKONT S_659332597pdf.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

DEKONT S_659332597pdf.exe

description	pid	process	target process
PID 1988 wrote to memory of 1364	1988	DEKONT S_659332597pdf.exe	DEKONT S_659332597pdf.exe
PID 1988 wrote to memory of 1364	1988	DEKONT S_659332597pdf.exe	DEKONT S_659332597pdf.exe
PID 1988 wrote to memory of 1364	1988	DEKONT S_659332597pdf.exe	DEKONT S_659332597pdf.exe
PID 1988 wrote to memory of 1364	1988	DEKONT S_659332597pdf.exe	DEKONT S_659332597pdf.exe
PID 1988 wrote to memory of 1364	1988	DEKONT S_659332597pdf.exe	DEKONT S_659332597pdf.exe
PID 1988 wrote to memory of 1364	1988	DEKONT S_659332597pdf.exe	DEKONT S_659332597pdf.exe

outlook_office_path 1 IoCs

Processes:

DEKONT S_659332597pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DEKONT S_659332597pdf.exe

outlook_win_path 1 IoCs

Processes:

DEKONT S_659332597pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DEKONT S_659332597pdf.exe

C:\Users\Admin\AppData\Local\Temp\DEKONT S_659332597pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT S_659332597pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988

C:\Users\Admin\AppData\Local\Temp\DEKONT S_659332597pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT S_659332597pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\DEKONT S_659332597pdf.exe.log

Filesize
1KB

MD5
8094b248fe3231e48995c2be32aeb08c

SHA1
2fe06e000ebec919bf982d033c5d1219c1f916b6

SHA256
136c30d964f4abbb5279bdc86d0e00578333782f15f05f0d2d050730dcb7a9bc

SHA512
bf27a3822008796370e2c506c910a40992b9240606ea1bc19f683b2fee86b81897660ac0cf8e746ca093dae9e408949e2e9002ded75678a69f020d3b0452801f

Download Submit
memory/1364-10-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/1364-20-0x00000212A0AB0000-0x00000212A0C72000-memory.dmp

Filesize
1.8MB

Download
memory/1364-19-0x00000212A04A0000-0x00000212A04F0000-memory.dmp

Filesize
320KB

Download
memory/1364-18-0x00000212A04F0000-0x00000212A0500000-memory.dmp

Filesize
64KB

Download
memory/1364-17-0x00007FFD357B0000-0x00007FFD36271000-memory.dmp

Filesize
10.8MB

Download
memory/1364-16-0x00000212A0590000-0x00000212A0692000-memory.dmp

Filesize
1.0MB

Download
memory/1364-15-0x00000212A04F0000-0x00000212A0500000-memory.dmp

Filesize
64KB

Download
memory/1364-13-0x00007FFD357B0000-0x00007FFD36271000-memory.dmp

Filesize
10.8MB

Download
memory/1988-8-0x000002400DA00000-0x000002400DA10000-memory.dmp

Filesize
64KB

Download
memory/1988-0-0x000002400BBA0000-0x000002400BBBA000-memory.dmp

Filesize
104KB

Download
memory/1988-7-0x0000024026670000-0x00000240266BC000-memory.dmp

Filesize
304KB

Download
memory/1988-14-0x00007FFD357B0000-0x00007FFD36271000-memory.dmp

Filesize
10.8MB

Download
memory/1988-6-0x00000240264D0000-0x0000024026506000-memory.dmp

Filesize
216KB

Download
memory/1988-5-0x00007FFD357B0000-0x00007FFD36271000-memory.dmp

Filesize
10.8MB

Download
memory/1988-4-0x0000024026490000-0x00000240264C8000-memory.dmp

Filesize
224KB

Download
memory/1988-3-0x000002400D980000-0x000002400D9D0000-memory.dmp

Filesize
320KB

Download
memory/1988-2-0x000002400DA00000-0x000002400DA10000-memory.dmp

Filesize
64KB

Download
memory/1988-1-0x00007FFD357B0000-0x00007FFD36271000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads