MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37637fda7c5e36395917b2a7090af966752710723496c9ea082c8d360c146e82. 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: 37637fda7c5e36395917b2a7090af966752710723496c9ea082c8d360c146e82
SHA3-384 hash: c86c25f323e0001b80778b8d069f47b30e9d8ba23d8f4552bdb1a62b57012efae472fd8440b0bb569372a2db387300bc
SHA1 hash: 1e914d2ed01b42b2c595093bd0955005958f66af
MD5 hash: 544084f8722fc4766d5ecf1e0b1b92f6
humanhash: tennis-sink-pluto-johnny
File name:544084f8722fc4766d5ecf1e0b1b92f6.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:883'200 bytes
First seen:2022-12-05 09:17:44 UTC
Last seen:2022-12-05 10:37:22 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:xkrcivd1L9QwltFxjSE3Zhyu7jXKl3wcIxkQun2M5NNOPkg586aWHff:2rZZnNyufXK0En2M5NNSB5O8f
Threatray 23'531 similar samples on MalwareBazaar
TLSH T15C153B4CF3089D36FD6993FD3692409E629E148D6470F7E08A88E0FD7234A9E1BEB515
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 abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
pedido para dezembro.doc
Verdict:
Malicious activity
Analysis date:
2022-12-05 06:46:36 UTC
Tags:
exploit cve-2017-11882 loader agenttesla
Link:
https://app.any.run/tasks/973f23dd-2a2f-418b-be8e-e9868eb5c863

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389.31413.30704.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/638db75075655a0108ea67a0/reports/f555dcbe-c476-484e-ae97-5f938350d4fc/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4a114229-827e-4f6d-9f03-03fb31af7b4e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1127929
Signature
.NET source code contains potential unpacker
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)
Snort IDS alert for network traffic
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 dnsIp2 2 Behavior Graph ID: 760653 Sample: DpUigcIjPJ.exe Startdate: 05/12/2022 Architecture: WINDOWS Score: 100 30 mail.eslinaasansor.com.tr 2->30 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 5 other signatures 2->58 7 VHRJGw.exe 3 2->7         started        10 DpUigcIjPJ.exe 3 2->10         started        13 VHRJGw.exe 2 2->13         started        signatures3 process4 file5 60 Multi AV Scanner detection for dropped file 7->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->62 64 May check the online IP address of the machine 7->64 68 2 other signatures 7->68 15 VHRJGw.exe 14 3 7->15         started        19 VHRJGw.exe 7->19         started        28 C:\Users\user\AppData\...\DpUigcIjPJ.exe.log, ASCII 10->28 dropped 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->66 21 DpUigcIjPJ.exe 17 6 10->21         started        signatures6 process7 dnsIp8 32 api.ipify.org 15->32 40 Tries to harvest and steal ftp login credentials 15->40 42 Tries to harvest and steal browser information (history, passwords, etc) 15->42 34 mail.eslinaasansor.com.tr 5.250.248.146, 49705, 49711, 587 AYSIMATR Turkey 21->34 36 api.ipify.org.herokudns.com 3.232.242.170, 443, 49700, 49709 AMAZON-AESUS United States 21->36 38 api.ipify.org 21->38 24 C:\Users\user\AppData\Roaming\...\VHRJGw.exe, PE32 21->24 dropped 26 C:\Users\user\...\VHRJGw.exe:Zone.Identifier, ASCII 21->26 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->44 46 Tries to steal Mail credentials (via file / registry access) 21->46 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->48 50 Installs a global keyboard hook 21->50 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37637fda7c5e36395917b2a7090af966752710723496c9ea082c8d360c146e82/
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2022-12-05 03:18:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 40 (45.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g5rx7wt4ly3dswixwktqscxzmz2soedsgslmt2qifsgtmdaun2ba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
116cfa58be49398e36341b622a3942f2abcfb5a60be9688f80f9e8fca3245c23
AgentTesla
194b21139e3a9a343c63617ad33ee48abdfa1566a4302a04b65df43888395400
AgentTesla
2da1b97a8e440821d736f32a57696f74038e5982455aeceeff5b9e4ec1a41f14
AgentTesla
7952ed2e59778a1ea85ce6dedc4f5e6b0afdbff5addf24b99a8a12b4e5b53677
AgentTesla
8a8e4af9303c7a1ed727e3dc8eac70802cfd184cccd4d678aa3d7a8473dff210
AgentTesla
9ae030a1259f20f46a766330325b3908b885bc83e0c4c3676a03c80bf836d934
AgentTesla
b15c35091f0f7c83cc43116c4f27a50db8b1d2d99d882ec4213bc2a292b6f656
AgentTesla
b97a6e22708a72c2e1118f8a55c353e424381297422320053380c9e614d4d9e4
AgentTesla
+ 23'521 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/221205-k9lsgaad8v/
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:
45f73fdea03ee3510728cde9d90fa05682c770094e79d604f6deac28397e7f55
MD5 hash:
8b42a8d70cbee6828f463a6a6f2542fb
SHA1 hash:
7c4acf4df22e31af588c74f9aba39f0cbb3b6257
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/4cdf43af-ad77-404c-ab3c-18168592249e/
Parent samples :
3d77583fa56ec5b06d576edf335b8362e2eacd9e020fdc035aa7e4f30fb2dc49
af575431faed38bb107e4d6faf9b53f23c5b8f063d979a8c1376df15184b96e2
0e270cbe90f14a94665f2b58ea7f08f75bb0911d5ea34f545e85b25e05b9ef3c
d4e212ed0c179d4f5ca457ce591b533e41e6111b72014274024a88aa519418d6
2749740f79f214e244b066f44d3de2d2a55d75f1cf3c90a94b939f5426794a8a
37637fda7c5e36395917b2a7090af966752710723496c9ea082c8d360c146e82
SH256 hash:
5cbc920e239dfdcaff1b8441d5003b374428ea9f7f0e15fa8b85f3e90555ffa7
MD5 hash:
cb69ab824b291e86a699288703da74e3
SHA1 hash:
7b62de26c9050e6ff32e30718d39e88dc54e6f19
Link:
https://www.unpac.me/results/4cdf43af-ad77-404c-ab3c-18168592249e/
SH256 hash:
dc2b40bae232421536df31e1653bab17d3f5887d2251e96c29525024ffbbee6f
MD5 hash:
77bc9c381f97deb4de6ad2787cb6d56e
SHA1 hash:
732dea96eec90533ddc27176e5044120a27591ec
Link:
https://www.unpac.me/results/4cdf43af-ad77-404c-ab3c-18168592249e/
SH256 hash:
34a54833de790176b4eddedfc6f2038aacacf72a06d385f2dcedcbed4bf24205
MD5 hash:
b4246d20047fc573e43df90653aa0b27
SHA1 hash:
3e0960c4c5e9db0c1aeb5eac6077e61592599eab
Link:
https://www.unpac.me/results/4cdf43af-ad77-404c-ab3c-18168592249e/
SH256 hash:
b9a2e9f06809d2f8a5e472753b6dadf5a87fba040e4fc1fc4300799a52b663a2
MD5 hash:
c240ab5ca547e691f3b6a8d1c74a1a31
SHA1 hash:
2e8799f06954edd63eb5afc359f7a0ed52b86456
Link:
https://www.unpac.me/results/4cdf43af-ad77-404c-ab3c-18168592249e/
SH256 hash:
37637fda7c5e36395917b2a7090af966752710723496c9ea082c8d360c146e82
MD5 hash:
544084f8722fc4766d5ecf1e0b1b92f6
SHA1 hash:
1e914d2ed01b42b2c595093bd0955005958f66af
Link:
https://www.unpac.me/results/4cdf43af-ad77-404c-ab3c-18168592249e/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/37637fda7c5e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/37637fda7c5e36395917b2a7090af966752710723496c9ea082c8d360c146e82

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 37637fda7c5e36395917b2a7090af966752710723496c9ea082c8d360c146e82

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2436017/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/342834/

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