snakekeylogger | 16e82fc76c9145c8862a1e83a8d53d7e5eacddea13f11edd8ddda29d5aca3345

General

Target

x.exe
Size

926KB
MD5

4a037032e566e554fb2c4bfdf7af9504
SHA1

8aa91682c52288005b139858c1bfa1ecefa52a1f
SHA256

16e82fc76c9145c8862a1e83a8d53d7e5eacddea13f11edd8ddda29d5aca3345
SHA512

26d7f677d9819d125273690a3de44a834f10289c566ea5a59a0536f9f3193c95ec1ec0cfe842c12a7072ce41f5b56211283e1e3823f6a7c7839448d9fa8f899b
SSDEEP

12288:ap2SfSZnIULcqxUR37bMWDsHQsJGgZhRTZXDdEasjfYVLUkR:ap7fHNHMWoHQso8hRT1JEPfOT

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
webmail.adriaknjigovodstvo.hr
Port:
25
Username:
[email protected]
Password:
Natasa03%$
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/2000-118-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2000-117-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2000-116-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2000-113-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2000-111-0x0000000000400000-0x0000000000426000-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
2928	powershell.exe
1276	powershell.exe

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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	checkip.dyndns.org
10	reallyfreegeoip.org
11	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2076 set thread context of 2000	2076	x.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	x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Modifies system certificate store 2 TTPs 3 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46\Blob = 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	x.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46	x.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\E12DFB4B41D7D9C32B30514BAC1D81D8385E2D46\Blob = 0f0000000100000014000000f45a0858c9cd920e647bad539ab9f1cfc77f24cb090000000100000016000000301406082b0601050507030306082b06010505070308140000000100000014000000daed6474149c143cabdd99a9bd5b284d8b3cc9d80b000000010000001400000055005300450052005400720075007300740000001d0000000100000010000000f919b9ccce1e59c2e785f7dc2ccf6708030000000100000014000000e12dfb4b41d7d9c32b30514bac1d81d8385e2d4620000000010000006a040000308204663082034ea003020102021044be0c8b500024b411d3362de0b35f1b300d06092a864886f70d0101050500308195310b3009060355040613025553310b3009060355040813025554311730150603550407130e53616c74204c616b652043697479311e301c060355040a131554686520555345525452555354204e6574776f726b3121301f060355040b1318687474703a2f2f7777772e7573657274727573742e636f6d311d301b0603550403131455544e2d5553455246697273742d4f626a656374301e170d3939303730393138333132305a170d3139303730393138343033365a308195310b3009060355040613025553310b3009060355040813025554311730150603550407130e53616c74204c616b652043697479311e301c060355040a131554686520555345525452555354204e6574776f726b3121301f060355040b1318687474703a2f2f7777772e7573657274727573742e636f6d311d301b0603550403131455544e2d5553455246697273742d4f626a65637430820122300d06092a864886f70d01010105000382010f003082010a0282010100ceaa813fa3a36178aa31005595119e270f1f1cdf3a9b826830c04a611df12f0efabe79f7a523ef55519684cddbe3b96e3e31d80a2067c7f4d9bf94eb47043e02ce2aa25d870409f6309d188a97b2aa1cfc41d2a136cbfb3d91bae7d97035fae4e790c39ba39bd33cf5129977b1b709e068e61cb8f39463886a6afe0b76c9bef422e467b9ab1a5e77c18507dd0d6cbfee06c7776a419ea70fd7fbee9417b7fc85bea4abc41c31ddd7b6d1e4f0efdf168fb25293d7a1d489a1072ebfe10112421e1ae1d89534db647928ffba2e11c2e5e85b9248fb470bc26cdaad328341f3a5e54170fd65906dfafa51c4f9bd962b19042cd36da7dcf07f6f8365e26aab8786750203010001a381af3081ac300b0603551d0f0404030201c6300f0603551d130101ff040530030101ff301d0603551d0e04160414daed6474149c143cabdd99a9bd5b284d8b3cc9d830420603551d1f043b30393037a035a0338631687474703a2f2f63726c2e7573657274727573742e636f6d2f55544e2d5553455246697273742d4f626a6563742e63726c30290603551d250422302006082b0601050507030306082b06010505070308060a2b0601040182370a0304300d06092a864886f70d01010505000382010100081f52b1374478dbfdceb9da959698aa556480b55a40dd21a5c5c1f35f2c4cc8475a69eae8f03535f4d025f3c8a6a4874abd1bb17308bdd4c3cab635bb59867731cda78014ae13effcb148f96b25252d51b62c6d45c198c88a565d3eee434e3e6b278ed03a4b850b5fd3ed6aa775cbd15a872f3975135a72b002819fbef00f845420626c69d4e14dc60d9943010d12968c789dbf50a2b144aa6acf177acf6f0fd4f824555ff0341649663e5046c96371383162b862b9f353ad6cb52ba212aa194f09da5ee793c68e1408fef0308018a086854dc87dd78b03fe6ed5f79d16ac922ca023e59c91521f94df179473c3b3c1c17105200078bd13521da83ecd001fc8	x.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
576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2076	x.exe
2076	x.exe
2000	x.exe
1276	powershell.exe
2928	powershell.exe
2000	x.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	x.exe
Token: SeDebugPrivilege	2000	x.exe
Token: SeDebugPrivilege	2928	powershell.exe
Token: SeDebugPrivilege	1276	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2928	2076	x.exe	31
PID 2076 wrote to memory of 2928	2076	x.exe	31
PID 2076 wrote to memory of 2928	2076	x.exe	31
PID 2076 wrote to memory of 2928	2076	x.exe	31
PID 2076 wrote to memory of 1276	2076	x.exe	33
PID 2076 wrote to memory of 1276	2076	x.exe	33
PID 2076 wrote to memory of 1276	2076	x.exe	33
PID 2076 wrote to memory of 1276	2076	x.exe	33
PID 2076 wrote to memory of 576	2076	x.exe	34
PID 2076 wrote to memory of 576	2076	x.exe	34
PID 2076 wrote to memory of 576	2076	x.exe	34
PID 2076 wrote to memory of 576	2076	x.exe	34
PID 2076 wrote to memory of 2000	2076	x.exe	37
PID 2076 wrote to memory of 2000	2076	x.exe	37
PID 2076 wrote to memory of 2000	2076	x.exe	37
PID 2076 wrote to memory of 2000	2076	x.exe	37
PID 2076 wrote to memory of 2000	2076	x.exe	37
PID 2076 wrote to memory of 2000	2076	x.exe	37
PID 2076 wrote to memory of 2000	2076	x.exe	37
PID 2076 wrote to memory of 2000	2076	x.exe	37
PID 2076 wrote to memory of 2000	2076	x.exe	37

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	x.exe

C:\Users\Admin\AppData\Local\Temp\x.exe
"C:\Users\Admin\AppData\Local\Temp\x.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076
- 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\x.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2928
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HsEHFIONYJK.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1276
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HsEHFIONYJK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp20CE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:576
- C:\Users\Admin\AppData\Local\Temp\x.exe
  "C:\Users\Admin\AppData\Local\Temp\x.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2000

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

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabE4B6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarE4D8.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp20CE.tmp

Filesize
1KB

MD5
b1eb2e539b1af15d466f558fe3972718

SHA1
79d014d506eec354776acbe5b2b35ab8402fb71c

SHA256
bca997b4b7a4db617aecf7d907fb52c0f38e5bd47e2ff13407b94c9c2c1c8d85

SHA512
3591a60e2f13c36df9bd80b1c9a6165f137f9b274214e5457e8b886df9089331d3a57ca4b0047d03555f84ba2da7908d1b08afc7bfd7c0ace6b0ae82dee049d0

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

Filesize
7KB

MD5
1da0ce33bea5ce0685b87c3aa148c32e

SHA1
75aa864993c5f042b4bb47bd3d2a872275971590

SHA256
be5ccfc7b347e510e61bfee1a6b07332df2b9fd3048243f6f659ec4534f80117

SHA512
1a796cbdb6383172e98f33981fa30749e040c06ff1d9389f4d6ca1d1d923bb38181ff3db97e6934f69e56ef9fccbc91907b608cf74fecef3eecb67e586d06bb5

Download Submit
memory/2000-115-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2000-116-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2000-109-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2000-111-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2000-113-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2000-117-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2000-118-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2000-107-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2076-1-0x00000000002A0000-0x000000000038A000-memory.dmp

Filesize
936KB

Download
memory/2076-2-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2076-91-0x0000000001EA0000-0x0000000001EBE000-memory.dmp

Filesize
120KB

Download
memory/2076-0-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/2076-94-0x0000000001E00000-0x0000000001E6C000-memory.dmp

Filesize
432KB

Download
memory/2076-93-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2076-92-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/2076-119-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads