MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 107c8bfec5d8a4e23c429692da4204025bb77fe71ff6b56a6804f5f19dc820c1. 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


Zyklon


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 107c8bfec5d8a4e23c429692da4204025bb77fe71ff6b56a6804f5f19dc820c1
SHA3-384 hash: e16c2d09a3b67f3d5712e61b559410b96dc0226a57f47ff492cb1d6a414151490c37ab97f826bd0994007419a59405d7
SHA1 hash: 536420b712568d288112f7f38c4e79792be0c107
MD5 hash: 5fc50cecdc7da2761f4ccce4b2c1362f
humanhash: fanta-two-fanta-tennis
File name:Purchase_Inquiry_pdf.exe
Download: download sample
Signature Zyklon
Create hunting rule
File size:565'760 bytes
First seen:2021-09-15 07:09:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:QDWHCM2K4Cbf9mgt5i2XxvAe4GPAH3zBjb:Q53Cbf9mgW2XxolGqd
Threatray 9'868 similar samples on MalwareBazaar
TLSH T12BC4272437EB5099F0629A757E93FDF2E96ABF222A02485718D03F4736235C1CEE152D
dhash icon 32ceaeaeb2968eca (42 x SnakeKeylogger, 23 x Loki, 9 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe Zyklon

Intelligence

File Origin
# of uploads :
1
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase_Inquiry_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-15 07:19:07 UTC
Tags:
opendir trojan rat agenttesla
Link:
https://app.any.run/tasks/fed7c43d-ff34-48da-b6db-cfa75ddbb76d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/188019/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.7424.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/617515bc9a5a1e91c5d20283/reports/777d81d1-b5b9-4b55-aa73-75a3614ed4c5/overview
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b51a3e98-7402-4d6a-97d1-632eab8b6545
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/851138
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
Multi AV Scanner detection for domain / URL
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 483571 Sample: Purchase_Inquiry_pdf.exe Startdate: 15/09/2021 Architecture: WINDOWS Score: 100 32 Multi AV Scanner detection for domain / URL 2->32 34 Found malware configuration 2->34 36 Yara detected AgentTesla 2->36 38 7 other signatures 2->38 7 Purchase_Inquiry_pdf.exe 7 2->7         started        process3 file4 20 C:\Users\user\AppData\Roaming\TSyRBCYa.exe, PE32 7->20 dropped 22 C:\Users\...\TSyRBCYa.exe:Zone.Identifier, ASCII 7->22 dropped 24 C:\Users\user\AppData\Local\...\tmpE805.tmp, XML 7->24 dropped 26 C:\Users\...\Purchase_Inquiry_pdf.exe.log, ASCII 7->26 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->42 44 Uses schtasks.exe or at.exe to add and modify task schedules 7->44 46 Injects a PE file into a foreign processes 7->46 11 Purchase_Inquiry_pdf.exe 15 6 7->11         started        16 schtasks.exe 1 7->16         started        signatures5 process6 dnsIp7 30 bot.statusupdate.one 161.129.64.49, 49742, 49777, 49782 ASN-QUADRANET-GLOBALUS United States 11->30 28 C:\Windows\System32\drivers\etc\hosts, ASCII 11->28 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->48 50 Tries to steal Mail credentials (via file access) 11->50 52 Tries to harvest and steal ftp login credentials 11->52 54 3 other signatures 11->54 18 conhost.exe 16->18         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/107c8bfec5d8a4e23c429692da4204025bb77fe71ff6b56a6804f5f19dc820c1/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-09-15 07:10:19 UTC
AV detection:
14 of 44 (31.82%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cb6ix7wf3csoepccs2jnuqqeajn3o77hd73lk2tiat27dhoiedaq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
174d9ba2e89f897d84a612d59117d349773c91f129aa8cdb8ad8a29d576fa8af
Zyklon
1f7aa9b2f27ea17da10a1db7e6476bcdcb0821f734356be6a02a907aa827925b
Zyklon
207dff33f6f91f114deae60a6cb3a404a5f40bc607fb6015f680c8980af7ac16
Zyklon
3f73be7622417491d8aec2845f0db1de3f5a3bba9052c1e5e8fa5c38f761c7c5
Zyklon
713d9e6751189d5c0699e7563d806ffe3283c248a5d6bc1b440dc815da97b717
Zyklon
7b18395c202720f8f4a880abedb8e8419019e9b3e9972a42b212b992eebbafe2
Zyklon
95a9daecf6c5e33ac64544fc16bac84518a58bfb7f2c60541180c6f51c8a7a23
Zyklon
cfdb27a9ff39bd1aa5a0a43fe6e272c269a311f5748d8a13b2e705f7d66f16bd
Zyklon
d18a2a92ede457f61ce8bbf06fe5efa80cd086926cf32641326089e9da49de1b
Zyklon
ddcaa3b14d33d6d27dc1467709b05d69df392d4c7d8d2699beda137ea237a224
Zyklon
+ 9'858 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210915-hzdm1aaag2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
http://bot.statusupdate.one/webpanel-charles/mawa/e22cc3544e8953ec6191.php
Unpacked files
SH256 hash:
f77ce513768da5eaebff2e7f812c7dc4a8f24907f76ac2723ef9a5b91aef9d83
MD5 hash:
f434d5ec7c581a75064066be0f11fe95
SHA1 hash:
c60b8209b9e4925cca5c61992d30925cdae61367
Link:
https://www.unpac.me/results/34287c27-d016-49d7-9b70-5b81f034b8f4/
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/34287c27-d016-49d7-9b70-5b81f034b8f4/
SH256 hash:
07c59adcf8d8935ced037600405a2b47fbc829a8c8683da22988d679863b162a
MD5 hash:
b3c04dc71876e98e259bed5d12fd1db5
SHA1 hash:
0629748598c36bb75ab6c0ba825691ddcde34ea9
Link:
https://www.unpac.me/results/34287c27-d016-49d7-9b70-5b81f034b8f4/
SH256 hash:
107c8bfec5d8a4e23c429692da4204025bb77fe71ff6b56a6804f5f19dc820c1
MD5 hash:
5fc50cecdc7da2761f4ccce4b2c1362f
SHA1 hash:
536420b712568d288112f7f38c4e79792be0c107
Link:
https://www.unpac.me/results/34287c27-d016-49d7-9b70-5b81f034b8f4/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/107c8bfec5d8/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/107c8bfec5d8a4e23c429692da4204025bb77fe71ff6b56a6804f5f19dc820c1

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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

Zyklon

Executable exe 107c8bfec5d8a4e23c429692da4204025bb77fe71ff6b56a6804f5f19dc820c1

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/188019/

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