snakekeylogger | da46c2f32055b74582d0ba99db21973c6e011ccbdba451ebf237f10e30401fe6

General

Target

DEKONT_00011123_5600966797pdf.exe
Size

83KB
MD5

71c56c7c4b213fe43a0acea6467d58dd
SHA1

2ea7d1641c51f94de578707f8b0759fb810697d2
SHA256

da46c2f32055b74582d0ba99db21973c6e011ccbdba451ebf237f10e30401fe6
SHA512

71823f522aaa498f14a9998c7c7fc6d46d528a673c6a65d25f33c96e9a5c7c207362aaed11004cce2f88c8d2021ac40cf5481fed5df08d6fb31e1dba6de4683d
SSDEEP

1536:luTCfkB5q6KWvLB3UfurR960JOnLHqnYXdKk:f86furPD0LHqYXf

Score

10^/10

snakekeylogger collection keylogger persistence 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/4712-10-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

DEKONT_00011123_5600966797pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fffffff = "C:\\Users\\Admin\\AppData\\Roaming\\fffffff.exe"	DEKONT_00011123_5600966797pdf.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

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

Processes:

DEKONT_00011123_5600966797pdf.exe

description pid process target process

PID 4592 set thread context of 4712 4592 DEKONT_00011123_5600966797pdf.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

InstallUtil.exe

pid process

4712 InstallUtil.exe
4712 InstallUtil.exe
4712 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DEKONT_00011123_5600966797pdf.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 4592 DEKONT_00011123_5600966797pdf.exe
Token: SeDebugPrivilege 4712 InstallUtil.exe

flow	ioc
77	checkip.dyndns.org

description	pid	process	target process
PID 4592 set thread context of 4712	4592	DEKONT_00011123_5600966797pdf.exe	InstallUtil.exe

pid	process
4712	InstallUtil.exe
4712	InstallUtil.exe
4712	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4592	DEKONT_00011123_5600966797pdf.exe
Token: SeDebugPrivilege	4712	InstallUtil.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

DEKONT_00011123_5600966797pdf.exe

description	pid	process	target process
PID 4592 wrote to memory of 4712	4592	DEKONT_00011123_5600966797pdf.exe	InstallUtil.exe
PID 4592 wrote to memory of 4712	4592	DEKONT_00011123_5600966797pdf.exe	InstallUtil.exe
PID 4592 wrote to memory of 4712	4592	DEKONT_00011123_5600966797pdf.exe	InstallUtil.exe
PID 4592 wrote to memory of 4712	4592	DEKONT_00011123_5600966797pdf.exe	InstallUtil.exe
PID 4592 wrote to memory of 4712	4592	DEKONT_00011123_5600966797pdf.exe	InstallUtil.exe
PID 4592 wrote to memory of 4712	4592	DEKONT_00011123_5600966797pdf.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\DEKONT_00011123_5600966797pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DEKONT_00011123_5600966797pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4592

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4712

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

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/4592-8-0x000001E9551E0000-0x000001E9551F0000-memory.dmp

Filesize
64KB

Download
memory/4592-4-0x000001E955400000-0x000001E955438000-memory.dmp

Filesize
224KB

Download
memory/4592-0-0x000001E93ABA0000-0x000001E93ABBA000-memory.dmp

Filesize
104KB

Download
memory/4592-3-0x000001E955340000-0x000001E955390000-memory.dmp

Filesize
320KB

Download
memory/4592-13-0x00007FFEE5A80000-0x00007FFEE6541000-memory.dmp

Filesize
10.8MB

Download
memory/4592-5-0x000001E955440000-0x000001E955476000-memory.dmp

Filesize
216KB

Download
memory/4592-6-0x000001E955480000-0x000001E9554CC000-memory.dmp

Filesize
304KB

Download
memory/4592-7-0x00007FFEE5A80000-0x00007FFEE6541000-memory.dmp

Filesize
10.8MB

Download
memory/4592-2-0x000001E9551E0000-0x000001E9551F0000-memory.dmp

Filesize
64KB

Download
memory/4592-1-0x00007FFEE5A80000-0x00007FFEE6541000-memory.dmp

Filesize
10.8MB

Download
memory/4712-12-0x00007FFEE5A80000-0x00007FFEE6541000-memory.dmp

Filesize
10.8MB

Download
memory/4712-10-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/4712-14-0x000001BCA6080000-0x000001BCA6090000-memory.dmp

Filesize
64KB

Download
memory/4712-15-0x000001BC8D810000-0x000001BC8D860000-memory.dmp

Filesize
320KB

Download
memory/4712-16-0x000001BCA63A0000-0x000001BCA6562000-memory.dmp

Filesize
1.8MB

Download
memory/4712-17-0x00007FFEE5A80000-0x00007FFEE6541000-memory.dmp

Filesize
10.8MB

Download
memory/4712-18-0x000001BCA6080000-0x000001BCA6090000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads