MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c122805ffa252199f267845085ea5304553a541c8814a4b907e8dfefc25eae1. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c122805ffa252199f267845085ea5304553a541c8814a4b907e8dfefc25eae1
SHA3-384 hash: efcb41331ae2df2dcc2e7ab3d8301a50d0fd354951ebaf6b27ed23d992a29ba737a7abd80a0759aa1e6fb1f6394efb9c
SHA1 hash: 4e6666673edca5a92f160782430d733ca001cd42
MD5 hash: 20561b0902ff85bbc65d6cfd0996215c
humanhash: ink-five-robert-freddie
File name:Payment Details for DEC..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'024'000 bytes
First seen:2020-12-04 00:47:09 UTC
Last seen:2020-12-04 03:09:13 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 24576:TVeVkST0sDdNXqN83nbyxpXWnGT3OcQcZ:JOBT0AdNi8XbPGT3OcQc
Threatray 1'666 similar samples on MalwareBazaar
TLSH 29259E39AF445A39F43B9B3CC5A12144A7BDBBD3E707C99D39B611CE0B23A4299C1139
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/106693/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.31516.5374.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/555306
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
Allocates memory in foreign processes
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
May check the online IP address of the machine
Modifies the hosts file
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)
Sigma detected: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 326751 Sample: Payment Details for DEC..exe Startdate: 04/12/2020 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 10 other signatures 2->64 7 Payment Details for DEC..exe 7 2->7         started        11 bqhrQ.exe 2 2->11         started        13 bqhrQ.exe 1 2->13         started        process3 file4 34 C:\Users\user\AppData\Roaming\nPncqOe.exe, PE32 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmp98ED.tmp, XML 7->36 dropped 38 C:\Users\...\Payment Details for DEC..exe.log, ASCII 7->38 dropped 66 Writes to foreign memory regions 7->66 68 Allocates memory in foreign processes 7->68 70 Injects a PE file into a foreign processes 7->70 15 RegSvcs.exe 17 4 7->15         started        20 RegSvcs.exe 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 40 mail.ratllc.ae 162.241.253.123, 49744, 587 UNIFIEDLAYER-AS-1US United States 15->40 42 elb097307-934924932.us-east-1.elb.amazonaws.com 184.73.247.141, 443, 49743 AMAZON-AESUS United States 15->42 44 2 other IPs or domains 15->44 30 C:\Users\user\AppData\Roaming\...\bqhrQ.exe, PE32 15->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 15->32 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Tries to steal Mail credentials (via file access) 15->48 50 Tries to harvest and steal ftp login credentials 15->50 56 3 other signatures 15->56 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->54 28 conhost.exe 22->28         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c122805ffa252199f267845085ea5304553a541c8814a4b907e8dfefc25eae1/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-12-02 18:17:00 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jqjcqbp7ujjbthzgpbcqqxvfgbcvhjkbzcauus4qp2g757bf5lqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
4059c5c31844e43226ec7b22e9f971aec27765e3822685e3a6b4af541fa6ced3
AgentTesla
45729be7af7c3a3c18d7b032a1797d63655fccd33c6e494a478356b55b29ce38
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5cb6068ff35f15f9403ecb538348ded12e2630a1033a5e631ee503726e9a0786
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6bc23ccd8612b26fde69c3c640beaf2b1997b5081ba210eb7b26f903c80b55da
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84b7cf285198a81c5f10de139338a440aff6b172702ac87be52db80e7fc7deba
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9b700d1d5f08a646921a397536bc682cac763ba61e86d0700023abedd275fff9
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9ee03e901beffb470c6ee938587d92c1ed230139d38f1fbf9f2ac8da0615e79b
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a51bd84d3facb55aaa7d351f79a6383f50b362c48a7abf373675aedd13aa9770
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d0743e20f8ddf388b214bd59e11b36f000b423350c56c065133d533af64b4a00
AgentTesla
+ 1'656 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/201204-yspkc4fj6j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
Unpacked files
SH256 hash:
4c122805ffa252199f267845085ea5304553a541c8814a4b907e8dfefc25eae1
MD5 hash:
20561b0902ff85bbc65d6cfd0996215c
SHA1 hash:
4e6666673edca5a92f160782430d733ca001cd42
Link:
https://www.unpac.me/results/eb05666e-546b-4d82-b4be-d0d97a609834/
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/eb05666e-546b-4d82-b4be-d0d97a609834/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4c122805ffa252199f267845085ea5304553a541c8814a4b907e8dfefc25eae1

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

7z 74c76ce0424cda179cdd5946c06ef82d3da22dc9616bd4eb8df9c43b8d359c1f

AgentTesla

Executable exe 4c122805ffa252199f267845085ea5304553a541c8814a4b907e8dfefc25eae1

(this sample)

  
Dropped by
MD5 c629135f82b07d563afbf8d7d2399a4f
  
Dropped by
SHA256 74c76ce0424cda179cdd5946c06ef82d3da22dc9616bd4eb8df9c43b8d359c1f
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/106693/

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