MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42d3d31c5ff9fe13b77ac0716ae91a9cec28dc173d820c51f2efaf85e5b0b3de. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42d3d31c5ff9fe13b77ac0716ae91a9cec28dc173d820c51f2efaf85e5b0b3de
SHA3-384 hash: 30b457c9e5158d383c26c8115dc18cfaf818443e0b13ef5924466438bff8baa8b0101452b5020ed53cfee9ff6c897aca
SHA1 hash: c9cff8c363a0e0cfe3059e2bdbbcc17881f95a97
MD5 hash: 3f84ee8837559bf44d9a35bb8a223eb6
humanhash: beryllium-lima-victor-avocado
File name:CONTRACT-3I3EID66O6O.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:998'912 bytes
First seen:2023-06-22 08:45:56 UTC
Last seen:2023-06-23 06:49:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:EWwp1KNokHQdqx8MP5Y8Acz51tQ3Ds4Ade:Ehp1KNokHQcbz5k3v
Threatray 3'178 similar samples on MalwareBazaar
TLSH T1B125CE7A732C1D63F9BE02F5109121B183F50629B6DFE2C85CE6A1DEA9D6F41FA00647
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla davidsurly1-gmail-com exe sarahfoils-com

Intelligence

File Origin
# of uploads :
8
# of downloads :
312
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CONTRACT-3I3EID66O6O.exe
Verdict:
Malicious activity
Analysis date:
2023-06-22 08:48:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4a09c96e-c81e-4a8f-8e01-fe066fadb2f9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/401640/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30303.20240.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/64940a4c73cb23e4dbf81f52/reports/c3e79ee4-574c-4ca1-8cdd-6391c25b3c0f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/42d3d31c5ff9fe13b77ac0716ae91a9cec28dc173d820c51f2efaf85e5b0b3de
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/8e9841ce-172f-4de3-a9bd-380b00cc0793
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1259567
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 892583 Sample: CONTRACT-3I3EID66O6O.exe Startdate: 22/06/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 6 other signatures 2->53 7 CONTRACT-3I3EID66O6O.exe 7 2->7         started        11 WfAbYluCGnUE.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\WfAbYluCGnUE.exe, PE32 7->35 dropped 37 C:\Users\...\WfAbYluCGnUE.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp29BF.tmp, XML 7->39 dropped 41 C:\Users\...\CONTRACT-3I3EID66O6O.exe.log, ASCII 7->41 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 CONTRACT-3I3EID66O6O.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 19 7->19         started        21 schtasks.exe 1 7->21         started        61 Antivirus detection for dropped file 11->61 63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 23 WfAbYluCGnUE.exe 11->23         started        25 schtasks.exe 11->25         started        signatures5 process6 dnsIp7 43 sarahfoils.com 103.21.58.122, 49692, 49693, 587 PUBLIC-DOMAIN-REGISTRYUS United Arab Emirates 13->43 45 192.168.2.1 unknown unknown 13->45 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->67 69 Tries to steal Mail credentials (via file / registry access) 23->69 71 Tries to harvest and steal browser information (history, passwords, etc) 23->71 33 conhost.exe 25->33         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/42d3d31c5ff9fe13b77ac0716ae91a9cec28dc173d820c51f2efaf85e5b0b3de/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-22 08:19:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ilj5ghc77h7bhn32ybywv2i2ttwcrxaxhwbayups56xylznqwppa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0203a7aeb82b24054ceee810c5218caf63d36c75f00b9df5ba62c41aa0ac4de7
AgentTesla
3034f4c4123e20d2d2306263c3fc0cf2ddd0b9ed15e480386d45c4550140233c
AgentTesla
427883d7c6eb502e12e7ae65c1d2c241c8815998faea9dcfd9681d8f40f1f665
AgentTesla
5aaf14f255169f6e6b49bc06c8c77470a387f9395ee2e3c9658ba735196261ed
AgentTesla
5ccef341dfc20939a8964ba1d54de1a3e8c42ee9881a2b1bbda5aaadcf3844f6
AgentTesla
85c5b8ce343047febb9f3313f1cde4e1a37dec4a776addf9d4d6db10758c290b
AgentTesla
d019bc9b8c0bd6b5510d725027eee6ecea4f831cc63a7238785d93d6282fa1ff
AgentTesla
d2b24cbb8fe2a9485ea49df5ffd98cd0073cd47de55e0da79e91618afc4528fe
AgentTesla
+ 3'168 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/230622-kpajpseg4y/
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:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
Link:
https://www.unpac.me/results/3a06cf19-32dc-4ad6-9737-ab6777ce3e43/
SH256 hash:
0160739cfd8d1897931f6821d701e3089c2bbd03d3ff8ed977ca4c618876b7e4
MD5 hash:
42fa7553572a0e8d2056a7c77597f57a
SHA1 hash:
c1beb634d03f733eedf2f2b4fc3ab14a4b388ae6
Link:
https://www.unpac.me/results/3a06cf19-32dc-4ad6-9737-ab6777ce3e43/
SH256 hash:
558a3df4e2a983ceda543503fbf35d3bcbc672169f811b88a961d056658249f1
MD5 hash:
62fb191c6e9a7d3005164f2924cc77cd
SHA1 hash:
99eb34cd524b8db8d1f72c0b8413aff1c44fc43a
Link:
https://www.unpac.me/results/3a06cf19-32dc-4ad6-9737-ab6777ce3e43/
SH256 hash:
d23d723fc6796c442bce06202179587dfba4becb4aaf613c5cd5de413f52f1f5
MD5 hash:
afd68f8a18bb3be211ed0c13bfbeaff4
SHA1 hash:
74d4204f1fdbfb2d19006fcf0fd8c7e5d989443e
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/3a06cf19-32dc-4ad6-9737-ab6777ce3e43/
Parent samples :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 hash:
f24090022322801cfa3cf430f00f22216c5dd6197b74740cfce81f602d1222ba
MD5 hash:
c27cd8c1d8c8d33501c46a41a1dec77b
SHA1 hash:
5d01a7f63ffcd2cf2f3cb696db97e64e3bb0c998
Link:
https://www.unpac.me/results/3a06cf19-32dc-4ad6-9737-ab6777ce3e43/
SH256 hash:
42d3d31c5ff9fe13b77ac0716ae91a9cec28dc173d820c51f2efaf85e5b0b3de
MD5 hash:
3f84ee8837559bf44d9a35bb8a223eb6
SHA1 hash:
c9cff8c363a0e0cfe3059e2bdbbcc17881f95a97
Link:
https://www.unpac.me/results/3a06cf19-32dc-4ad6-9737-ab6777ce3e43/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/42d3d31c5ff9/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/42d3d31c5ff9fe13b77ac0716ae91a9cec28dc173d820c51f2efaf85e5b0b3de

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
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

zip cd073922067eb8eb0bd71748a7d18636a017a8266022d6f9ba3806e82a928cda

AgentTesla

Executable exe 42d3d31c5ff9fe13b77ac0716ae91a9cec28dc173d820c51f2efaf85e5b0b3de

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 cd073922067eb8eb0bd71748a7d18636a017a8266022d6f9ba3806e82a928cda
Cape
Cape
https://www.capesandbox.com/analysis/401640/
  
Dropped by
SHA256 6f9a62dffc256543dc81c132c72806c55d91a9e61274266340beafea394fd008
  
Dropped by
MD5 9afc87de81574adb0c4ebd9d8b9e38d0
  
Dropped by
MD5 dcc2ff41a87fd260e174e4d0130d482c

Comments