MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348
SHA3-384 hash: a023fd4563db1b90c0a902392ab4b52b180d975e697525eb6fdb3b0da43bdfbb27dff45d30306ff1d1ea96abcc6afce3
SHA1 hash: f1cdbe4a3c1852feddf5f5ff1ff3d4498161760b
MD5 hash: 6c121aa807c7ffbc6259f7ac0dc83255
humanhash: sweet-south-vermont-winter
File name:6c121aa807c7ffbc6259f7ac0dc83255.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:683'008 bytes
First seen:2022-11-28 17:18:08 UTC
Last seen:2022-11-28 18:32:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:Xwc+pbKbfxpe/IbHn0svbXPEy6ggpdUx1ZRy8p7FJqfh4qw+:XjsbKje/I7dvbXP/6ggEfy8p7FJqJ4
Threatray 23'047 similar samples on MalwareBazaar
TLSH T1C0E40252712C0714E3A87BF13AE1C78177B0BE366463D95E1E4CB2DE99736408E35B2A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Swift Copy.doc
Verdict:
Malicious activity
Analysis date:
2022-11-28 07:35:43 UTC
Tags:
exploit cve-2017-11882 loader agenttesla
Link:
https://app.any.run/tasks/b9ef2b6d-8644-4a7d-b020-1a5f1b1e11c2

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/339509/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.23781.21288.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6384ed85536377388865ef94/reports/c9279c76-73b5-4a30-8ddc-5e5198b6126d/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/40242a7d-86d0-47cd-8868-c67139b75685
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1122770
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 755500 Sample: buH9VrC1dQ.exe Startdate: 28/11/2022 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected AgentTesla 2->59 61 4 other signatures 2->61 6 buH9VrC1dQ.exe 3 2->6         started        10 TRrGInv.exe 3 2->10         started        12 TRrGInv.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\...\buH9VrC1dQ.exe.log, ASCII 6->23 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->63 65 May check the online IP address of the machine 6->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->67 14 buH9VrC1dQ.exe 17 6 6->14         started        69 Multi AV Scanner detection for dropped file 10->69 71 Machine Learning detection for dropped file 10->71 73 Injects a PE file into a foreign processes 10->73 19 TRrGInv.exe 14 2 10->19         started        21 TRrGInv.exe 3 12->21         started        signatures5 process6 dnsIp7 29 smtp.yandex.ru 77.88.21.158, 49709, 49715, 587 YANDEXRU Russian Federation 14->29 31 api.ipify.org.herokudns.com 54.91.59.199, 443, 49708 AMAZON-AESUS United States 14->31 33 api.ipify.org 14->33 25 C:\Users\user\AppData\Roaming\...\TRrGInv.exe, PE32 14->25 dropped 27 C:\Users\user\...\TRrGInv.exe:Zone.Identifier, ASCII 14->27 dropped 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->43 45 Tries to steal Mail credentials (via file / registry access) 14->45 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->47 35 52.20.78.240, 443, 49711, 49713 AMAZON-AESUS United States 19->35 37 192.168.2.1 unknown unknown 19->37 39 api.ipify.org 19->39 41 api.ipify.org 21->41 49 Tries to harvest and steal ftp login credentials 21->49 51 Tries to harvest and steal browser information (history, passwords, etc) 21->51 53 Installs a global keyboard hook 21->53 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348/
Threat name:
ByteCode-MSIL.Infostealer.Dcstl
Create hunting rule
Status:
Malicious
First seen:
2022-11-28 11:58:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 41 (53.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k66263wccjxuhmnllzl73bcw6mupkaxd7dpmupcb5p5y6lt4gnea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1015fb1f960c808990e8911a5a4de7ac50d31812a71dc298f357dc668a5b794b
AgentTesla
1932562dc1fc3dcea7da6d86ef26c12a34b0acce777807a5f0b4b5922950df05
AgentTesla
21dcd6894c37691d63f908325bbccc47be36fddd5edaec159a9c3adea459683a
AgentTesla
42cb095fcf7bce147419fe87bffc91a1c0c189f731daaa819b17d371594b868f
AgentTesla
6be47a093d94d2a0cbf244526e25c08d28e8169e2fb70ff92824f333b131c206
AgentTesla
b3dfa295345931a2e11de2d9b98f350b2744c415d2258a2745f8bb8d9cc3a4b2
AgentTesla
+ 23'037 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/221128-vvtjwabg73/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
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:
5ddbc815bb9a4ee26db90b1aeadd6eb747b5debf59e295d820772df79302b567
MD5 hash:
e5a74257300677ef8243cf019edc6135
SHA1 hash:
da0a93ae0b4c2474eef70edbbcdbe597c6e0a3ee
Link:
https://www.unpac.me/results/09d396e8-e670-4694-9239-ecac9770ea57/
SH256 hash:
4253fcd8605639f783f9ef064b74af9f0e7b98b8b5f977debf57db6fe1682ad7
MD5 hash:
b2035ebb5ad8a83b52f8fc784096123a
SHA1 hash:
d30d787fe744448368185a610e1068cf65f6ac4c
Link:
https://www.unpac.me/results/09d396e8-e670-4694-9239-ecac9770ea57/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/09d396e8-e670-4694-9239-ecac9770ea57/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/09d396e8-e670-4694-9239-ecac9770ea57/
SH256 hash:
e472ec0f8bab1058c833c888f3f8e806ac4dd6aca51689fcb92ac5b45029a118
MD5 hash:
015ccfb51ec0342222ba18f22d9badf3
SHA1 hash:
039e1070587b49052f989e82430878dd452da5a7
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/09d396e8-e670-4694-9239-ecac9770ea57/
Parent samples :
69bed0fe2df98e6983bc3da51de961712a38ebc32cf45b336f72496a29a76286
1015fb1f960c808990e8911a5a4de7ac50d31812a71dc298f357dc668a5b794b
57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348
SH256 hash:
57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348
MD5 hash:
6c121aa807c7ffbc6259f7ac0dc83255
SHA1 hash:
f1cdbe4a3c1852feddf5f5ff1ff3d4498161760b
Link:
https://www.unpac.me/results/09d396e8-e670-4694-9239-ecac9770ea57/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/57bdaf6ec212/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348

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.

Web download

AgentTesla

Executable exe 57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2262146/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/339509/

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