MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef7efdb1e205d31ad1a79452cae95f4f72b10a4e84dce82f66dfe2e3e2a2739b. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef7efdb1e205d31ad1a79452cae95f4f72b10a4e84dce82f66dfe2e3e2a2739b
SHA3-384 hash: d60f6917d1d4032bbe0f2f86e55982aaa6677f8b9d2cf03fa82267841ecfa61d8a38214ca57d1dbe05b18975a5d18d9a
SHA1 hash: 3b7401521a7616375d060c2e4c2542cb6c91c9a7
MD5 hash: 04f37c1f639bdfe745d96b6803f25878
humanhash: whiskey-march-blue-bacon
File name:QUOTATION.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:727'040 bytes
First seen:2023-05-07 14:32:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:m0uMAP4wgC6bYLq9fRYVG5tVvNKq8XuQzha0eKMC61JmpnpFR:UqUVItVFH8XhFajB1Jmt
Threatray 2'565 similar samples on MalwareBazaar
TLSH T1AAF47D3A25689B7AF179C734866C4460F3FCA41FF351EA59BCEAC0E805C2D81A6D352D
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 TeamDreier
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
266
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION.exe
Verdict:
Malicious activity
Analysis date:
2023-05-07 14:34:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7e65f882-3eb0-4f99-bda6-149f0091f89b

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/387327/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66861621.19306.31059.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6457b6a81c5e67171207080a/reports/1962387c-1445-4626-a549-20be21b7f8dc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ef7efdb1e205d31ad1a79452cae95f4f72b10a4e84dce82f66dfe2e3e2a2739b
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/20d2ac8c-86dd-4819-b6a5-9ef7b5b86a89
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1227827
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 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: 860791 Sample: QUOTATION.exe Startdate: 07/05/2023 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 9 other signatures 2->45 7 QUOTATION.exe 6 2->7         started        11 TlTxKjUuua.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...\TlTxKjUuua.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmpC491.tmp, XML 7->33 dropped 35 C:\Users\user\AppData\...\QUOTATION.exe.log, ASCII 7->35 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Writes to foreign memory regions 7->49 51 Injects a PE file into a foreign processes 7->51 13 RegSvcs.exe 2 7->13         started        17 RegSvcs.exe 7->17         started        19 schtasks.exe 1 7->19         started        21 RegSvcs.exe 7->21         started        53 Multi AV Scanner detection for dropped file 11->53 55 Machine Learning detection for dropped file 11->55 23 RegSvcs.exe 2 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 37 azmlogistics.com 192.185.92.210, 49685, 49688, 587 UNIFIEDLAYER-AS-1US United States 13->37 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->57 27 conhost.exe 19->27         started        59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->59 61 Tries to steal Mail credentials (via file / registry access) 23->61 63 Tries to harvest and steal browser information (history, passwords, etc) 23->63 29 conhost.exe 25->29         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef7efdb1e205d31ad1a79452cae95f4f72b10a4e84dce82f66dfe2e3e2a2739b/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-04 16:22:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=557p3mpcaxjrvunhsrjmv2k7j5zlccsoqtooql3g37rohyvcoonq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0aba674b0db534de4f52e8250710b173b697397cbbf0011a4a6a3e9127e77781
AgentTesla
1170e879b605319f3c4cec1d0a5a28746fc98f1131bbc73b596f3ac67cb2caeb
AgentTesla
2c5117280800871fbceb13a571a8d602c17f3c08247c8ccf546bb9dc8adda73e
AgentTesla
493781dc1d845e09f96742dfdc2edaef673ac5d4b2139875929166f2627dc161
AgentTesla
702cee46d4f13081bcca06cfe54412f0e9115a48035d440911fae79ea0100ae6
AgentTesla
860da509a25f16cda9a80a5063d4b23bc6a702406fe3c94d69bfc10790219b4e
AgentTesla
89ddd74ff391e9b89ca13cbd5f6d3b9568c1b5bfd1e7a0ff7b860444fc7e7a34
AgentTesla
927f9944a4284ce1222ce51a9501c0e984144297fe7c3b3b11ab32ce075b58c4
AgentTesla
c18b4d4f472f671a554a401ccb20f75b52e1cc88ec0336fb1275638e6237d591
AgentTesla
+ 2'555 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230507-rwvxjsgg2t/
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
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
371fd54e92f2fecbf7d6f56fd31cc3135fcd302a3ad87f1509815f51f55069bb
MD5 hash:
604b0e14ffd4c994a81613edecbb1e92
SHA1 hash:
d1ef965c2812ff32ee4194e775407644e1dfc25d
Link:
https://www.unpac.me/results/79d05012-3748-4904-8e5f-e2b4d5b068e8/
SH256 hash:
2f2cc821895c4efdcfb12bf2eb8013e5e4f686b2b6e5fb0325bc46567b561782
MD5 hash:
6f0149e4b03288291d55dfdbeff4aa23
SHA1 hash:
ca7b8620f5f498460a59505fee0647318f77634c
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/79d05012-3748-4904-8e5f-e2b4d5b068e8/
Parent samples :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 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
Link:
https://www.unpac.me/results/79d05012-3748-4904-8e5f-e2b4d5b068e8/
SH256 hash:
ef7efdb1e205d31ad1a79452cae95f4f72b10a4e84dce82f66dfe2e3e2a2739b
MD5 hash:
04f37c1f639bdfe745d96b6803f25878
SHA1 hash:
3b7401521a7616375d060c2e4c2542cb6c91c9a7
Link:
https://www.unpac.me/results/79d05012-3748-4904-8e5f-e2b4d5b068e8/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef7efdb1e205/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/ef7efdb1e205d31ad1a79452cae95f4f72b10a4e84dce82f66dfe2e3e2a2739b

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.

Malspam

AgentTesla

Executable exe ef7efdb1e205d31ad1a79452cae95f4f72b10a4e84dce82f66dfe2e3e2a2739b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/387327/

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