snakekeylogger | a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc

General

Target

a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe
Size

2.8MB
MD5

ee24e64f34a5580c5c9ee2cebefc312d
SHA1

3a8a93cd79b36dedfd0827f268d210574c66f9bb
SHA256

a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc
SHA512

8d37331a15367009fa56cbf03c0e66730aea15fc5b437fe4f8070d9b75f12d102a424196a033cdd5ea40abc1aa5d205dfaf44f4fd49008921e22f01a59122321
SSDEEP

12288:QeQU766QpZ72faJZxZtohjS902gSo+nknSsi1JqWlVHQECjzW:QeZnQpXJbD4IYus+J1/NC2

Score

10^/10

snakekeylogger collection discovery evasion execution keylogger stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.financ-fire.com
Port:
587
Username:
[email protected]
Password:
W6otxNGOdwF9

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.financ-fire.com
Port:
587
Username:
[email protected]
Password:
W6otxNGOdwF9
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2652-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2652-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2652-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2652-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2652-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2820	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regsvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regsvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regsvcs.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.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 2640 set thread context of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe	regsvcs.exe

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 1 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	regsvcs.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2820	powershell.exe
2652	regsvcs.exe
2652	regsvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe
Token: SeDebugPrivilege	2820	powershell.exe
Token: SeDebugPrivilege	2652	regsvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2652	regsvcs.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2820	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	30
PID 2640 wrote to memory of 2820	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	30
PID 2640 wrote to memory of 2820	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	30
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2652	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	32
PID 2640 wrote to memory of 2568	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	33
PID 2640 wrote to memory of 2568	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	33
PID 2640 wrote to memory of 2568	2640	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe	33

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regsvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regsvcs.exe

C:\Users\Admin\AppData\Local\Temp\a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe
"C:\Users\Admin\AppData\Local\Temp\a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2640
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a42b85487137aef36ca9eb586988d2ff2181425c1ca8b0deaef5c30e4b6503bc.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2652
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2640 -s 684
  2⤵
  PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

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\CabDDB4.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarDDD6.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2640-0-0x000007FEF5DF3000-0x000007FEF5DF4000-memory.dmp

Filesize
4KB

Download
memory/2640-1-0x00000000011C0000-0x00000000011D8000-memory.dmp

Filesize
96KB

Download
memory/2640-2-0x00000000002F0000-0x000000000036A000-memory.dmp

Filesize
488KB

Download
memory/2640-3-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp

Filesize
9.9MB

Download
memory/2640-23-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp

Filesize
9.9MB

Download
memory/2652-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2652-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2652-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2652-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2652-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2652-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2652-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2820-20-0x0000000002C60000-0x0000000002CE0000-memory.dmp

Filesize
512KB

Download
memory/2820-21-0x000000001B6D0000-0x000000001B9B2000-memory.dmp

Filesize
2.9MB

Download
memory/2820-22-0x0000000001D70000-0x0000000001D78000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads