snakekeylogger | 38a40add079a4dfbaf33406c9fb38ed051c98799a9f100444a291bbe2e483827

General

Target

proforma Invoice.exe
Size

1002KB
MD5

519a4362bd2e58ed1dc658ea0b4c2b34
SHA1

21ab5eba93ba582c75cd2966114fd4424c61af03
SHA256

1174a36a1437a563b6d80ea0ace862adecdbd91817bee7e845cbaac144e02df6
SHA512

28c030a67b8292815dbc307f7126e343e87721dbb80a79655ff4e5af275b7589fca3d2ab18e90f3e5ea8d82cc2fd21d919cb723f20603897c520a50f86eb4adc
SSDEEP

24576:g/4URo28cZI5QWvCpEwtmvxk+wSu1purOtYL+:g/QcWQz+wtR+zirtn

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6288005341:AAGRgYv2o5lUGc3tnZ9QIy4L5Vg9lraTrSs/sendMessage?chat_id=6121807451

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/932-75-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/932-76-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/932-78-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/932-80-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/932-82-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/376-84-0x00000000023B0000-0x00000000023F0000-memory.dmp	family_snakekeylogger

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

Processes:

proforma Invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma Invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma Invoice.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

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

Processes:

proforma Invoice.exe

description pid process target process

PID 1324 set thread context of 932 1324 proforma Invoice.exe proforma Invoice.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1724 schtasks.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 1324 set thread context of 932	1324	proforma Invoice.exe	proforma Invoice.exe

pid	process
1724	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

proforma Invoice.exepowershell.exepowershell.exeproforma Invoice.exe

pid	process
1324	proforma Invoice.exe
1324	proforma Invoice.exe
1324	proforma Invoice.exe
1324	proforma Invoice.exe
1496	powershell.exe
376	powershell.exe
932	proforma Invoice.exe
932	proforma Invoice.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

proforma Invoice.exepowershell.exepowershell.exeproforma Invoice.exe

description	pid	process
Token: SeDebugPrivilege	1324	proforma Invoice.exe
Token: SeDebugPrivilege	1496	powershell.exe
Token: SeDebugPrivilege	376	powershell.exe
Token: SeDebugPrivilege	932	proforma Invoice.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

proforma Invoice.exe

description	pid	process	target process
PID 1324 wrote to memory of 376	1324	proforma Invoice.exe	powershell.exe
PID 1324 wrote to memory of 376	1324	proforma Invoice.exe	powershell.exe
PID 1324 wrote to memory of 376	1324	proforma Invoice.exe	powershell.exe
PID 1324 wrote to memory of 376	1324	proforma Invoice.exe	powershell.exe
PID 1324 wrote to memory of 1496	1324	proforma Invoice.exe	powershell.exe
PID 1324 wrote to memory of 1496	1324	proforma Invoice.exe	powershell.exe
PID 1324 wrote to memory of 1496	1324	proforma Invoice.exe	powershell.exe
PID 1324 wrote to memory of 1496	1324	proforma Invoice.exe	powershell.exe
PID 1324 wrote to memory of 1724	1324	proforma Invoice.exe	schtasks.exe
PID 1324 wrote to memory of 1724	1324	proforma Invoice.exe	schtasks.exe
PID 1324 wrote to memory of 1724	1324	proforma Invoice.exe	schtasks.exe
PID 1324 wrote to memory of 1724	1324	proforma Invoice.exe	schtasks.exe
PID 1324 wrote to memory of 1008	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 1008	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 1008	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 1008	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 932	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 932	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 932	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 932	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 932	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 932	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 932	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 932	1324	proforma Invoice.exe	proforma Invoice.exe
PID 1324 wrote to memory of 932	1324	proforma Invoice.exe	proforma Invoice.exe

outlook_office_path 1 IoCs

Processes:

proforma Invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma Invoice.exe

outlook_win_path 1 IoCs

Processes:

proforma Invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma Invoice.exe

C:\Users\Admin\AppData\Local\Temp\proforma Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\proforma Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\proforma Invoice.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:376

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cwRaXfubuZT.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1496

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cwRaXfubuZT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB16.tmp"
2⤵
- Creates scheduled task(s)
PID:1724

C:\Users\Admin\AppData\Local\Temp\proforma Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\proforma Invoice.exe"
2⤵
PID:1008

C:\Users\Admin\AppData\Local\Temp\proforma Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\proforma Invoice.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:932

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBB16.tmp
Filesize
1KB

MD5
d712ac5f0c2ec74180e244cb5a43577e

SHA1
1ee000de4d99ca9199a2ee4836ed080a2338adc2

SHA256
0ee2a75f7afc5bbe66d1fa119fb5261f65140a31acd56723d0135489dce88388

SHA512
1744704c946f9e9c9b4f6f625153050618a223a579ab54e8e0de791a14a1ecc017d1affcf95cfc4d85ec8ee871af01b364e58fdf6ef326e09eaea3497dfbe0b5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\C44F4UEH8ZF4VS8N77CO.temp
Filesize
7KB

MD5
c9a213493c8c49b77e536a5c49fa9fad

SHA1
ead0b7f71ce66ae546c4d2f6dbfb98597c61bef3

SHA256
45921b844112d4d19d7d9977cad646014226c1cc49d7008f50f15a5eb1b95441

SHA512
24a0ce2b53bc2b41590c33a25966e4d14d5457f3b8e6c4c9e12307e0cd6905dc8d5d69262f93642238cf02ef604ec1de0528fd9481b3ffc50544c8b2f42433dc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
c9a213493c8c49b77e536a5c49fa9fad

SHA1
ead0b7f71ce66ae546c4d2f6dbfb98597c61bef3

SHA256
45921b844112d4d19d7d9977cad646014226c1cc49d7008f50f15a5eb1b95441

SHA512
24a0ce2b53bc2b41590c33a25966e4d14d5457f3b8e6c4c9e12307e0cd6905dc8d5d69262f93642238cf02ef604ec1de0528fd9481b3ffc50544c8b2f42433dc

Download Submit
memory/376-84-0x00000000023B0000-0x00000000023F0000-memory.dmp

Filesize
256KB

Download
memory/932-78-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/932-82-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/932-87-0x0000000004EF0000-0x0000000004F56000-memory.dmp

Filesize
408KB

Download
memory/932-86-0x00000000003B0000-0x00000000003BA000-memory.dmp

Filesize
40KB

Download
memory/932-80-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/932-77-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/932-73-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/932-74-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/932-75-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/932-76-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1324-72-0x0000000005D60000-0x0000000005DE0000-memory.dmp

Filesize
512KB

Download
memory/1324-54-0x0000000000DB0000-0x0000000000EB0000-memory.dmp

Filesize
1024KB

Download
memory/1324-56-0x00000000002F0000-0x0000000000300000-memory.dmp

Filesize
64KB

Download
memory/1324-59-0x0000000005EF0000-0x0000000005FA8000-memory.dmp

Filesize
736KB

Download
memory/1324-55-0x0000000004870000-0x00000000048B0000-memory.dmp

Filesize
256KB

Download
memory/1324-57-0x0000000004870000-0x00000000048B0000-memory.dmp

Filesize
256KB

Download
memory/1324-58-0x0000000000590000-0x000000000059C000-memory.dmp

Filesize
48KB

Download
memory/1496-85-0x0000000002700000-0x0000000002740000-memory.dmp

Filesize
256KB

Download
memory/1496-83-0x0000000002700000-0x0000000002740000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads