snakekeylogger | 4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2

General

Target

4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
Size

711KB
MD5

6ccd423abcf6bb68539f4c70419d6fc3
SHA1

450d3110f5eca86f20823b61a4ef43fe5f35edd4
SHA256

4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2
SHA512

7fc9ac53ab49470c812155ab184bb2e260de2b618492a8cfc507a7520a331327bdd553a639201da085324d8f2bbe8c9e9b20b4528f3b2e5f9aece323ad47d196
SSDEEP

12288:eEEH0GapWzLehoBHUsu4xifZ6R6auv2VLEN714g2OkvqHbFweV:XEH4pBhtHhm61uLEN7urSbFwe

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
50.31.176.103
Port:
21
Username:
[email protected]
Password:
HW=f09RQ-BL1

Extracted

Family

snakekeylogger

Credentials

Protocol: ftp
Host:
ftp://50.31.176.103/
Port:
21
Username:
[email protected]
Password:
HW=f09RQ-BL1

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2748-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-30-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-32-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2748-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2652	powershell.exe
2708	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2072 set thread context of 2748	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
2708	powershell.exe
2652	powershell.exe
2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
2748	MSBuild.exe
2748	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	2652	powershell.exe
Token: SeDebugPrivilege	2748	MSBuild.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2652	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	31
PID 2072 wrote to memory of 2652	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	31
PID 2072 wrote to memory of 2652	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	31
PID 2072 wrote to memory of 2652	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	31
PID 2072 wrote to memory of 2708	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	33
PID 2072 wrote to memory of 2708	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	33
PID 2072 wrote to memory of 2708	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	33
PID 2072 wrote to memory of 2708	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	33
PID 2072 wrote to memory of 2776	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	35
PID 2072 wrote to memory of 2776	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	35
PID 2072 wrote to memory of 2776	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	35
PID 2072 wrote to memory of 2776	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	35
PID 2072 wrote to memory of 2748	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2072 wrote to memory of 2748	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2072 wrote to memory of 2748	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2072 wrote to memory of 2748	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2072 wrote to memory of 2748	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2072 wrote to memory of 2748	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2072 wrote to memory of 2748	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2072 wrote to memory of 2748	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37
PID 2072 wrote to memory of 2748	2072	4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe
"C:\Users\Admin\AppData\Local\Temp\4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- 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\4bec8930b1157e64e7d785c62f4fcc4d5d144daeb954144ee3f3a5648820a9a2.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2652
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HaNkyQWPIIzrnC.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2708
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HaNkyQWPIIzrnC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1036.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2776
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1036.tmp

Filesize
1KB

MD5
8c15710772c5c4654b5c6ab0e7c95308

SHA1
d191f3e96a468eba097347c207e08c5744c73d82

SHA256
cbca8fabc7f8f43328665b9b8fd60bdcde663970368a1fd288c5bf7f4d1ce335

SHA512
ad27ba041b6a65a42e6d74f720f163e091bc1b32a2715a225aa1bf70a9cbf33349e1420fd2ea717fa0da798350935c727945af4787d9ed137ea8592bd5d4189c

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\J2KCA8Q54H6GKUDY6PG6.temp

Filesize
7KB

MD5
21e73a8dff403ac385206f80bf53b145

SHA1
a875ae8d5d975b6d1d49c96fe2c58420cca39821

SHA256
415512d2684e0b5b5bcb2be0e5788cde35fcabbaa13bc2b97117cd99ced28fe3

SHA512
8dc784d32225236e31c96fafdbf4152c7cbc3bf678b2c2815b55e4db97b3be27f7bd203030a6bc9c424c89db713f7791979d9018a5743f4336718142c569c816

Download Submit
memory/2072-4-0x0000000000A50000-0x0000000000A6C000-memory.dmp

Filesize
112KB

Download
memory/2072-3-0x0000000004E20000-0x0000000004ED0000-memory.dmp

Filesize
704KB

Download
memory/2072-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2072-5-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2072-6-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2072-7-0x00000000003C0000-0x0000000000428000-memory.dmp

Filesize
416KB

Download
memory/2072-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2072-1-0x0000000000A80000-0x0000000000B38000-memory.dmp

Filesize
736KB

Download
memory/2072-33-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2748-30-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-32-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-28-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2748-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads