MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5ef38807f1c5e0beef4bc17d53fb6533366eb693dff45a3f1d4e08020babc67. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5ef38807f1c5e0beef4bc17d53fb6533366eb693dff45a3f1d4e08020babc67
SHA3-384 hash: 0eb26fa4df73b30a3fe23a74a37a55403727bdb5a6ae358d79b9a803797d03861dbe9ec808d5df7c5b646261de244eb7
SHA1 hash: b79113cdd394bee991f5b6548c77d340a61f44c9
MD5 hash: 68132c7c9a0e58608a8bca51be1fc423
humanhash: shade-sad-whiskey-alpha
File name:222284557-045845-0004-8743.doc.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:663'040 bytes
First seen:2023-10-22 07:37:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:i8zS55mFz4CUEgLmqSt4q3eopGbPxo2xrA22uenNpkakhPOTXDIepx:if55q0Z1qOopGbZouUDnPkBOXpx
Threatray 444 similar samples on MalwareBazaar
TLSH T1FAE4232033295257DA2C16F24C7289466BB55CE7A662FBCD3CA6338D1EB7F84D111B83
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)
File icon (PE):PE icon
dhash icon 71f0b2e8f0b0e871 (16 x AgentTesla, 4 x Formbook, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
222284557-045845-0004-8743.doc.exe
Verdict:
Malicious activity
Analysis date:
2023-10-22 09:01:15 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/6b26fd10-980d-464d-a418-5f5ff9c60378

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.710.12816.15923.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6534d15d4678fc28dfc3feff/reports/520c186a-d1da-4f8e-ac3b-6832a0fbb64b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a5ef38807f1c5e0beef4bc17d53fb6533366eb693dff45a3f1d4e08020babc67
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:
Malicious
Link:
https://analyze.intezer.com/analyses/529001a4-1d72-4aa4-b3bb-6e18f0909e60
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1329954
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 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 an obfuscated file name to hide its real file extension (double extension)
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 dnsIp2 2 Behavior Graph ID: 1329954 Sample: 222284557-045845-0004-8743.... Startdate: 22/10/2023 Architecture: WINDOWS Score: 100 36 mail.sofahaus.eu 2->36 40 Found malware configuration 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Sigma detected: Scheduled temp file as task from temp location 2->44 46 9 other signatures 2->46 8 222284557-045845-0004-8743.doc.exe 7 2->8         started        12 tTzHigwb.exe 5 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\tTzHigwb.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\Local\...\tmpE005.tmp, XML 8->34 dropped 48 Uses schtasks.exe or at.exe to add and modify task schedules 8->48 50 Writes to foreign memory regions 8->50 52 Adds a directory exclusion to Windows Defender 8->52 54 Injects a PE file into a foreign processes 8->54 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        56 Antivirus detection for dropped file 12->56 58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 62 Allocates memory in foreign processes 12->62 22 RegSvcs.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 38 mail.sofahaus.eu 173.249.53.198, 49716, 49719, 587 CONTABODE Germany 14->38 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->66 68 Tries to steal Mail credentials (via file / registry access) 14->68 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        70 Tries to harvest and steal browser information (history, passwords, etc) 22->70 30 conhost.exe 24->30         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a5ef38807f1c5e0beef4bc17d53fb6533366eb693dff45a3f1d4e08020babc67
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a5ef38807f1c5e0beef4bc17d53fb6533366eb693dff45a3f1d4e08020babc67/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-10-04 02:34:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uxxtrad7drpax3xuxql5kp5wkmzwn23jhx7uli7r2tqiaif2xrtq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
02a81f65ac8255add0150a5ebc1c6cd7df349b76ea4e9977b92c0062598aab70
AgentTesla
127b328917d5cba521215fb9f8e0d9fe9d062913d9371272f1bf1ac12d74aa05
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3fe67d3a6b4bd8fe9b79ca73f3ec832a093005e8059a9f22e4cceb6ed7bb50c4
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491a456f605b2e032bd3317d855cffc065aded96394126bffa79ce8f9b6daa92
AgentTesla
7a1b0984486f6d008efbcaf5aa80d34db07f1a2f70dab9246999f9d5dffb9599
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9469f86dad566eb14d265d9b449de22d1b67b72c40dd3033f15a6243e376ab96
AgentTesla
cad1d46bc8411cde24e24a7503eb12376cb688ddb94e2821fc51cb3e439770c7
AgentTesla
dfbecad8d36fe0dcdcb4d403209d8762fd4507e14674fabef306e28a5ede518b
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f4419a6c5adb1ca81106ebcd82fb3b7cf931f0b9a9188edf8eb16e4c40690a5c
AgentTesla
f4f50ce7cc274f69b17412721fab0ec1cde465a47570e7dad8fd84749feb5478
AgentTesla
+ 434 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/231022-jgdqqafh79/
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:
c45d2c87086746c5dc762725e1a07f5f99f36f50307303d0801f29082bd5b02b
MD5 hash:
b4a3f93318b65aa3d70c81253bacddc6
SHA1 hash:
fcd95dbf86abe23368a92ad3f71a52e25144b637
Link:
https://www.unpac.me/results/2c1da203-712a-42f0-9801-13cb8f644e90/
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/2c1da203-712a-42f0-9801-13cb8f644e90/
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
Link:
https://www.unpac.me/results/2c1da203-712a-42f0-9801-13cb8f644e90/
SH256 hash:
9b752e4337b9d07adc1dac040e2f3811eaede98944d3833cb9681ab9e65c8c7b
MD5 hash:
3de41c13939dff9238fd3d03b71c4c4e
SHA1 hash:
a64fac8140c4a81509d078c02f8191ab3244801f
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/2c1da203-712a-42f0-9801-13cb8f644e90/
Parent samples :
b04b1dfab5fd47ece5b217f7f51dfc4b5f24b4161ff6bb442949dccacaefa6ad
63efc3445014bdf5bc7c990e30c279a5f1ef3aca8760335c91e5c774aac13d73
46fca0c0e3f205ee0c27db0a09be4ea3296b40bd92dd66f3133dc48f8862c761
97a6f1686f456a126c4fd823b01df49814c71dbf4e2f3458ce9c62f89de17719
a5ef38807f1c5e0beef4bc17d53fb6533366eb693dff45a3f1d4e08020babc67
164d54f565cb9285f383bd2bf702123d8db4f32262bac2ab6324ad1975920cb2
SH256 hash:
a5ef38807f1c5e0beef4bc17d53fb6533366eb693dff45a3f1d4e08020babc67
MD5 hash:
68132c7c9a0e58608a8bca51be1fc423
SHA1 hash:
b79113cdd394bee991f5b6548c77d340a61f44c9
Link:
https://www.unpac.me/results/2c1da203-712a-42f0-9801-13cb8f644e90/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a5ef38807f1c/report/overview.html
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/a5ef38807f1c5e0beef4bc17d53fb6533366eb693dff45a3f1d4e08020babc67

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 a5ef38807f1c5e0beef4bc17d53fb6533366eb693dff45a3f1d4e08020babc67

(this sample)

  
Delivery method
Distributed via e-mail attachment

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