MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc65eebf943dcec8fa07a5adf34ca36fc4bf17c50b247920d8d4231f412a5fbf. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


SnakeKeylogger


Vendor detections: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dc65eebf943dcec8fa07a5adf34ca36fc4bf17c50b247920d8d4231f412a5fbf
SHA3-384 hash: 121e722ce0991322f1e8fff12b58e43e132bfe680a2835a77c8dea48d7e78ec7fc294096db3bfce5ffbebbdb78cccd94
SHA1 hash: 8dddfb2c71568c0850aa7a602c52ba95d97cb370
MD5 hash: 184844ee1be5587527500e1cb7be033b
humanhash: five-massachusetts-three-robin
File name:Contract.exe
Download: download sample
Signature SnakeKeylogger
Create hunting rule
File size:602'112 bytes
First seen:2024-03-13 13:59:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:B33sJTENl3lA3wDXijijZ8y3UOVsPXFpWvDhxuJc5CJt:OxENllDymh3UQOQHTE
TLSH T1A0D4029475BC2B53C6B9B6F84474106843F6256A3426E7EC4EE336CF48F9F050A94E27
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon d4d4d4d4d4d4c4c4 (15 x AgentTesla, 10 x Formbook, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe SnakeKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
347
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Contract.exe
Verdict:
Malicious activity
Analysis date:
2024-03-13 13:18:11 UTC
Tags:
evasion snake keylogger
Link:
https://app.any.run/tasks/ad744ff6-6d53-40fd-bb3b-6bcddf1beb69

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Snake
Create hunting rule
Link:
https://www.capesandbox.com/analysis/478914/
Detection(s):
Win.Packed.Formbook-10023145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Moving a file to the Program Files subdirectory
Replacing files
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65f1b16987137159d43fb10b/reports/d5ec85d9-1781-4fa3-aeba-e73d9024d2c0/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/dc65eebf943dcec8fa07a5adf34ca36fc4bf17c50b247920d8d4231f412a5fbf
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/e42686cc-061c-4c30-b734-0eb258bf5084
Result
Threat name:
PureLog Stealer, Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1408287
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1408287 Sample: Contract.exe Startdate: 13/03/2024 Architecture: WINDOWS Score: 100 38 checkip.dyndns.org 2->38 40 checkip.dyndns.com 2->40 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 10 other signatures 2->50 8 Contract.exe 7 2->8         started        12 oohDDT.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\oohDDT.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmpD88E.tmp, XML 8->36 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 8->52 54 Adds a directory exclusion to Windows Defender 8->54 56 Injects a PE file into a foreign processes 8->56 14 Contract.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 22 oohDDT.exe 14 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 42 checkip.dyndns.com 158.101.44.242, 49705, 49706, 80 ORACLE-BMC-31898US United States 14->42 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        62 Tries to steal Mail credentials (via file / registry access) 22->62 64 Tries to harvest and steal browser information (history, passwords, etc) 22->64 32 conhost.exe 24->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dc65eebf943dcec8fa07a5adf34ca36fc4bf17c50b247920d8d4231f412a5fbf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc65eebf943dcec8fa07a5adf34ca36fc4bf17c50b247920d8d4231f412a5fbf/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-03-12 04:10:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3rs65p4uhxhmr6qhuww7gtfdn7cl6f6fbmshsigy2qrr6qjkl67q._file
Result
Malware family:
snakekeylogger
Create hunting rule
Score:
  10/10
Tags:
family:snakekeylogger collection keylogger spyware stealer
Link:
https://tria.ge/reports/240313-raz95see2y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Snake Keylogger
Snake Keylogger payload
Unpacked files
SH256 hash:
06a1ae787e808d6287de314be8bec64ef2e0d3bc1bf2ea71ae268c7b8fb19e2d
MD5 hash:
91b39e533d48f5fa25ac604da90b3d8d
SHA1 hash:
f5dadf1e8fcbe64609e4cd78a27e2810f7a6e69e
Link:
https://www.unpac.me/results/1303003b-4d7d-4255-89c8-4a9262e84549/
SH256 hash:
c8c1020fe926cc1851b73c1915ad32e2fc393dccb402782aca8f4ea6379ba84d
MD5 hash:
ef7cf89d9ec52b18a8f5b6ee49820f46
SHA1 hash:
dcf9cb9bb3f72ca4b3cc0c00b27bd9ce10b554bb
Link:
https://www.unpac.me/results/1303003b-4d7d-4255-89c8-4a9262e84549/
SH256 hash:
a0e633bfc1772b893a2608acb79db9981c5e7045a8a5f44769ff19e95840247d
MD5 hash:
ad70e9ddd511c4ad42dd91c9f4660407
SHA1 hash:
cc359d61e4c25b0a23ca0f798d8ac5968fd6e481
Detections:
snake_keylogger
Create hunting rule
win_404keylogger_g1
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
MALWARE_Win_SnakeKeylogger
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
Link:
https://www.unpac.me/results/1303003b-4d7d-4255-89c8-4a9262e84549/
Parent samples :
b7396095e008ad0155c5ca1ec15b3febd04ce95db7ce45b217ecc463f4d95c68
ebc207c310f6738099c6e4522b022b4c18fcbb3a0c385b1a8d71fc411285ca48
93da5b68246f2c37789b4fe137f570a7eaf939810bedac23fc6ce070a19672e5
d80adfb429565563472cc6e9d4fef4b8435c2804ad977c4f4d5452cf5462cb59
fe2ed4220640da4d6e2e1e89e4a0dcc0bb67aaa2905b22276fc8a31ed65ea9e3
7ea4a70d11f9b347dc1130489ca32322875d587f11963d3b8c6e8583eac113b7
24c6082628e6b6daeede59cf5c1f1174a3ab6b3ac7e0d795f8c7c3af490f1940
db10e4331d6379d0f7c17f8c000b43a399621745526f1286f85ff3361d5299b9
2d76815ac75df164a700b9fb3908fa71a3d6812ee1ef23f41276042d2d15538f
ee682a222c0cb6eae0f8bb8270fb96b76832f05df316de82e1e3a3e86b59ff83
e50903a2738b0e7b900a545e5bd1c8b4e1441fb58dcab2a1065f87bcb08b1dce
53ca502aaa95fc57f67552ddf0116f642c1c1cf81b8170b7881e68a8a423e45f
dc65eebf943dcec8fa07a5adf34ca36fc4bf17c50b247920d8d4231f412a5fbf
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/1303003b-4d7d-4255-89c8-4a9262e84549/
SH256 hash:
9db0d191a32acbb7fc7c2ae6482a48dd81bc8af241a7677b20a593b2b2db73f4
MD5 hash:
45df5ab3f537dc72847bdd6771a06f30
SHA1 hash:
747bd719493e0a16f97719fa5fffa128edd705d0
Link:
https://www.unpac.me/results/1303003b-4d7d-4255-89c8-4a9262e84549/
SH256 hash:
dc65eebf943dcec8fa07a5adf34ca36fc4bf17c50b247920d8d4231f412a5fbf
MD5 hash:
184844ee1be5587527500e1cb7be033b
SHA1 hash:
8dddfb2c71568c0850aa7a602c52ba95d97cb370
Link:
https://www.unpac.me/results/1303003b-4d7d-4255-89c8-4a9262e84549/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dc65eebf943d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dc65eebf943dcec8fa07a5adf34ca36fc4bf17c50b247920d8d4231f412a5fbf

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/478914/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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