MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4634594a43ca9d6f4630aecf8a17a04a1b2e942cafa3080a4064e2ec7741bd5f. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4634594a43ca9d6f4630aecf8a17a04a1b2e942cafa3080a4064e2ec7741bd5f
SHA3-384 hash: a008d0f2dcea2ca0569ced42cec629eee34384d1b82de38f664436967c13c0ce544f78ae4df6b41f0344915b6382408a
SHA1 hash: 05302a241bb8c8594adfce417f0a8116ed00dbfd
MD5 hash: cb1a89175fef9adcf11ee2065e66d656
humanhash: bravo-hydrogen-march-zebra
File name:Purchase Order.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:871'936 bytes
First seen:2023-05-10 11:04:49 UTC
Last seen:2023-05-13 22:55:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:fFP1U2IDZfOtXyacaHJTxh+i3SkfU9+tfElOfw3ley5qtAs/K8c:fZ1U2I1qXdxhPi3dOqley5qtBy
Threatray 1'037 similar samples on MalwareBazaar
TLSH T199059D3C61CA5C26C71677FA8998C9E103356F00AFABD25A22BE30CD8971B93ED5154F
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9d9e1969696b0646 (9 x SnakeKeylogger, 8 x AgentTesla, 4 x Loki)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
272
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-10 11:06:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/81aac116-eaa1-4fad-8e19-0a0ddd38761c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/388141/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/645b7a5f07a2287e91f7da05/reports/d9770aeb-9efc-41ff-81bd-68942450a46b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4634594a43ca9d6f4630aecf8a17a04a1b2e942cafa3080a4064e2ec7741bd5f
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ff856b7e-5b12-4b96-bf76-cd38a8110d78
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1229948
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 862930 Sample: Purchase_Order.pdf.exe Startdate: 10/05/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 9 other signatures 2->53 7 Purchase_Order.pdf.exe 7 2->7         started        11 bSFYcw.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\bSFYcw.exe, PE32 7->31 dropped 33 C:\Users\user\...\bSFYcw.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmpE3D7.tmp, XML 7->35 dropped 37 C:\Users\user\...\Purchase_Order.pdf.exe.log, ASCII 7->37 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Adds a directory exclusion to Windows Defender 7->59 13 Purchase_Order.pdf.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 65 Injects a PE file into a foreign processes 11->65 21 bSFYcw.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 39 smtp.legendxpress.com 13->39 41 us2.smtp.mailhostbox.com 208.91.198.143, 25, 49697, 49698 PUBLIC-DOMAIN-REGISTRYUS United States 13->41 43 192.168.2.1 unknown unknown 13->43 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        45 smtp.legendxpress.com 21->45 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->67 69 Tries to steal Mail credentials (via file / registry access) 21->69 71 Tries to harvest and steal browser information (history, passwords, etc) 21->71 29 conhost.exe 23->29         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4634594a43ca9d6f4630aecf8a17a04a1b2e942cafa3080a4064e2ec7741bd5f/
Threat name:
Win32.Trojan.RemLoader
Create hunting rule
Status:
Malicious
First seen:
2023-05-10 04:48:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iy2fsssdzkow6rrqv3hyuf5ajins5fbmv6rqqcsamtroy52bxvpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751
AgentTesla
57979ca3e646ecfcf45221a35642d69c66d753e9961468e65e66670c4f7513a6
AgentTesla
8e3f656f70978440245c238870f316ccdbfbadff73350dd6d204c9035cc00357
AgentTesla
9925d40e552d694f23587880808c8f53cb41ff2ef2fc5112f37aeaab7d1c6241
AgentTesla
a5ee311c1782356ae8fd1e5fc6f6a2cdde6dd79ebc5c80a02c36b3327ba3ac7d
AgentTesla
aba99ac623b8f43f53873ee48dbf2f18f7206ae2041821e660b79505a3743ead
AgentTesla
f1de1c385fac0c850ee30233c971a76beee78824500899f5c64db03c70ac2e03
AgentTesla
+ 1'027 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230510-m6t1saff33/
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
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
473895c4cb2ed93d8e2208ad85d26da9d22476b3acd6238fb34e606a373e4084
MD5 hash:
bcb299c1965ec6ce21f30ee298fc4d60
SHA1 hash:
e100b9309617079f876fa98a2cad2c67df695d18
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/afe5d30d-7abb-4181-bda8-9d6bf2ea9dde/
Parent samples :
a830659cb5950a876a44c9cf929aa552fb32f772f625bd7406b86d05c7fdf0a9
4634594a43ca9d6f4630aecf8a17a04a1b2e942cafa3080a4064e2ec7741bd5f
9a9a651e84d6fd857279cf6e82ec3a888a1271ff900d0ec11585dd3877afeebb
de11b502cc700a6318e9100ef9f37e6514617f093b0263dce9e29fa40662cab9
SH256 hash:
577196210fc7e295e452ab3ce7ead26c5bdd000e29ad2c3f2dafd998e2ebf93c
MD5 hash:
6d7a3e7dcb66acf8c96f28a6e3192f19
SHA1 hash:
96175c4ca068e6552eb7367b5c138a851d3d081c
Link:
https://www.unpac.me/results/afe5d30d-7abb-4181-bda8-9d6bf2ea9dde/
SH256 hash:
bcaef088e32d60b47f0366a828712b41ff58c9802a39a20fc6db70310f5eeb6d
MD5 hash:
b2da0f917400760e4bbeea0710cea6a4
SHA1 hash:
6519c2df9924eabf880e523b436fe582398920af
Link:
https://www.unpac.me/results/afe5d30d-7abb-4181-bda8-9d6bf2ea9dde/
SH256 hash:
779eefae81cc4e40cecfd6f899f6a74d4ad4b246ac86b2e7673bc7d91c244bc0
MD5 hash:
bdc7112687b84d7e7b3ef3d9878bc1bb
SHA1 hash:
381679439ff2ea80dbe065b4fd423a29aabaf3b7
Link:
https://www.unpac.me/results/afe5d30d-7abb-4181-bda8-9d6bf2ea9dde/
SH256 hash:
b52c29ba9ef8996bdf721950d900db96f1befb9883eb38c2075528e60c7aabd4
MD5 hash:
7b6143d9d94c8b80d191b77d8b6d1ba2
SHA1 hash:
1c91704ff6da2a9dd8aaa2ff2d5a5f69a445f76b
Link:
https://www.unpac.me/results/afe5d30d-7abb-4181-bda8-9d6bf2ea9dde/
SH256 hash:
4634594a43ca9d6f4630aecf8a17a04a1b2e942cafa3080a4064e2ec7741bd5f
MD5 hash:
cb1a89175fef9adcf11ee2065e66d656
SHA1 hash:
05302a241bb8c8594adfce417f0a8116ed00dbfd
Link:
https://www.unpac.me/results/afe5d30d-7abb-4181-bda8-9d6bf2ea9dde/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4634594a43ca/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/4634594a43ca9d6f4630aecf8a17a04a1b2e942cafa3080a4064e2ec7741bd5f

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Malspam

AgentTesla

Executable exe 4634594a43ca9d6f4630aecf8a17a04a1b2e942cafa3080a4064e2ec7741bd5f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/388141/

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