MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fc86c47ffbc922b4794aa568d681c4632cb69a41a3b89e6bca1c49cc87f0c1f. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1fc86c47ffbc922b4794aa568d681c4632cb69a41a3b89e6bca1c49cc87f0c1f
SHA3-384 hash: f6e431399843470297c8248691b4b81a38003663d1eeb5e83cf38f64ea091345dd2b5acae0a5d5f20163792dc7be3408
SHA1 hash: d04706b406b3b398115e07ae22acc5ed77766b84
MD5 hash: 9993b1ced99ab837b3a7124c2d75d3bd
humanhash: apart-mockingbird-lion-triple
File name:invoice n. 1712.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:658'432 bytes
First seen:2021-12-22 02:16:41 UTC
Last seen:2021-12-22 03:51:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Buikdwi0+g6A3dip9i4qwMSpBT+fXsOtRnoRCttttttttw7X:BXHhsJR3pBjG9ttttttttw7X
Threatray 13'541 similar samples on MalwareBazaar
TLSH T154E4C091B686C6D4F87EE7720C7B61881372F4EAD491E5EEFCC9342EE4A36100352963
File icon (PE):PE icon
dhash icon d8fcfcfcf4dcdcd4 (3 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice n. 1712.exe
Verdict:
Malicious activity
Analysis date:
2021-12-22 02:19:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5f9a0427-b312-44b9-8042-be4f7bbaf7d9

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/215722/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c28aa1ec6c6c14a9e8ec73/reports/083a4cd6-8726-4195-88c0-6a6d72b3f113/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a062af1a-7595-42df-8071-a6d179a9c85c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/911307
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Modifies the hosts file
Multi AV Scanner detection for dropped 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)
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 543785 Sample: invoice n. 1712.exe Startdate: 22/12/2021 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 10 other signatures 2->58 7 invoice n. 1712.exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\...\scbnyTfpdeenJK.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp1062.tmp, XML 7->34 dropped 36 C:\Users\user\...\invoice n. 1712.exe.log, ASCII 7->36 dropped 60 Writes to foreign memory regions 7->60 62 Injects a PE file into a foreign processes 7->62 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 nkr.com.pk 173.231.200.172, 49795, 587 IMH-WESTUS United States 15->38 40 mail.nkr.com.pk 15->40 42 192.168.2.1 unknown unknown 15->42 28 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->46 48 Tries to steal Mail credentials (via file / registry access) 15->48 50 5 other signatures 15->50 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1fc86c47ffbc922b4794aa568d681c4632cb69a41a3b89e6bca1c49cc87f0c1f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-22 02:17:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d7egyr77xsjcwr4uvjli22a4iyzmw2nedi5ytzv4uhcjzsd7bqpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0453fa0ddd89c1887c67eceae11f4f1e0f4e37d776df53204508c1c4dbbc013e
AgentTesla
1d0faaafa06db1640ed6d2740c6e89167bed375422863549d8974c28b62670e6
AgentTesla
1e445903c2ad292aee910f3551e9ca0feca04c4b44497e27fa3cdf5c0f15c0cb
AgentTesla
34c24059b49ba7aeb7738a40c2ce6f405a641646bfa6899f1a3199fac5ca89ec
AgentTesla
35b8e3ac887b7a542ac7b636ea576aef98d242f78acbecb5a8378abd07d1e52c
AgentTesla
4889378562b68b415ebb7bd2e66d6521b100b1e0d89523c5e5d24f3cc647ef47
AgentTesla
868a234549cdea90ac328cb48cf80a15e46895528ee49ea900df95e15757fc41
AgentTesla
a1076d68048c3fdc3c09248407a6fa1e4a7e28c23a6b45d8c3ac58e537771a8a
AgentTesla
+ 13'531 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211222-cqp2saffcm/
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
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
dfceef71a1ccbeeb2fea2da9441c43657dc38340dd8da2a2fef7f463c3cb20c2
MD5 hash:
78b2ae62811b704b7b108358859ab4b2
SHA1 hash:
d25729c3ab915f2f9778ade9cb4d6e05bbbce9df
Link:
https://www.unpac.me/results/91c55517-9593-4069-bee9-25f44ab9f4ac/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/91c55517-9593-4069-bee9-25f44ab9f4ac/
SH256 hash:
0c2b9d7e88494bf33818f521280542695f2d081a42749bd37403acaa7b0fee82
MD5 hash:
cab853d3fa91bd200b5a68349d867313
SHA1 hash:
1b4c6de4c376e49c4ddc70bca0ede5ace767fcd8
Link:
https://www.unpac.me/results/91c55517-9593-4069-bee9-25f44ab9f4ac/
SH256 hash:
1fc86c47ffbc922b4794aa568d681c4632cb69a41a3b89e6bca1c49cc87f0c1f
MD5 hash:
9993b1ced99ab837b3a7124c2d75d3bd
SHA1 hash:
d04706b406b3b398115e07ae22acc5ed77766b84
Link:
https://www.unpac.me/results/91c55517-9593-4069-bee9-25f44ab9f4ac/
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/1fc86c47ffbc922b4794aa568d681c4632cb69a41a3b89e6bca1c49cc87f0c1f

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: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 1fc86c47ffbc922b4794aa568d681c4632cb69a41a3b89e6bca1c49cc87f0c1f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/215722/

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