MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c923e6c86fa272810e849b809352773c2d823755f82d7bdbe1805ed454d4c07. 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



AgentTesla


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 1c923e6c86fa272810e849b809352773c2d823755f82d7bdbe1805ed454d4c07
SHA3-384 hash: fef33a68bf36c6cafc65c43aaa02533576afb3a9bc487a25e6a7654d832c4a29c65fd07aeb91e3847f198de611bc72e5
SHA1 hash: 334ae80e9c065aedfc3cee8218c29b1383eebe9d
MD5 hash: 0d8ccf94d72eae3d95e9482b5100ad5a
humanhash: pip-idaho-xray-august
File name:Advice Ref#GLVC220754534.exe
Download: download sample
Signature AgentTesla
File size:625'664 bytes
First seen:2022-02-01 05:54:44 UTC
Last seen:2022-02-01 07:48:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:4+6jTWqzWVO7J5QIlCMRpqdCEDNGsC1O9w:4+fWWVOVKihYddDNl09
Threatray 14'558 similar samples on MalwareBazaar
TLSH T109D4AEB4A1A78A51F01B87B424B8F86107F27CE3BAC58D39577531858FBAB553E4820F
File icon (PE):PE icon
dhash icon f99924e3634948d0 (37 x AgentTesla, 12 x SnakeKeylogger, 7 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Advice Ref#GLVC220754534.exe
Verdict:
Malicious activity
Analysis date:
2022-02-01 05:58:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 563871 Sample: Advice Ref#GLVC220754534.exe Startdate: 01/02/2022 Architecture: WINDOWS Score: 100 31 us2.smtp.mailhostbox.com 2->31 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 6 other signatures 2->41 7 Advice Ref#GLVC220754534.exe 3 2->7         started        11 xWBWc.exe 3 2->11         started        13 xWBWc.exe 2 2->13         started        signatures3 process4 file5 25 C:\Users\...\Advice Ref#GLVC220754534.exe.log, ASCII 7->25 dropped 43 Injects a PE file into a foreign processes 7->43 15 Advice Ref#GLVC220754534.exe 2 5 7->15         started        19 Advice Ref#GLVC220754534.exe 7->19         started        45 Multi AV Scanner detection for dropped file 11->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->49 21 xWBWc.exe 2 11->21         started        23 xWBWc.exe 13->23         started        signatures6 process7 file8 27 C:\Users\user\AppData\Roaming\...\xWBWc.exe, PE32 15->27 dropped 29 C:\Users\user\...\xWBWc.exe:Zone.Identifier, ASCII 15->29 dropped 33 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->33 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-01 05:55:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Unpacked files
SH256 hash:
7cb3a1e2d3652aecebf9d54c9756c79b93d64a23a24ec975f0ea959d93f041b0
MD5 hash:
2636c913fdbba448d86dac332e7921a8
SHA1 hash:
d2756fef1522d5726f48d59ca280a9255dac5057
SH256 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
SH256 hash:
7c802a945581a8d36c8519925535e16f022c608604aa94dc2051782c2303c931
MD5 hash:
0034f873bc9ce6358f7ca72daed8602d
SHA1 hash:
0365d63a203083f42cf0e00b4278c3dc9e8cea14
SH256 hash:
1c923e6c86fa272810e849b809352773c2d823755f82d7bdbe1805ed454d4c07
MD5 hash:
0d8ccf94d72eae3d95e9482b5100ad5a
SHA1 hash:
334ae80e9c065aedfc3cee8218c29b1383eebe9d
Malware family:
Agent Tesla v3
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe 1c923e6c86fa272810e849b809352773c2d823755f82d7bdbe1805ed454d4c07

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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