MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3
SHA3-384 hash: 98952b3f2e131e512fdf21e9b1d207186b9c32f3986adfcd22963c666f2d4d8f27f3f78acf9c88005a5be52160688bad
SHA1 hash: fa930fba23a8b95b1aa011bbb52c748cd24e1471
MD5 hash: e95931bd20db7e13562aba3b6dbb34ca
humanhash: wisconsin-early-happy-salami
File name:SOA 210523.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:705'536 bytes
First seen:2023-05-30 07:56:11 UTC
Last seen:2023-06-06 12:40:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ysIduv2iNfmFx2iqNhujGjUqwv3gnP25aaRH46jYeSDvnkTRe0Zk68LrB3:ysIduv1lmFxUEf68/4iY9DfQReT64B3
Threatray 1'928 similar samples on MalwareBazaar
TLSH T1AEE4021857FD068AE6B723B61AA11230477BFE99B635E30B0F83B1CE6D61B044A10777
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 :
5
# of downloads :
246
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA 210523.exe
Verdict:
Malicious activity
Analysis date:
2023-05-30 08:03:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/24ecedc4-18db-4371-9575-4924413a4880

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/393416/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/6475ac506407f39ba8adc2bb/reports/2337cd4d-8dbd-4e73-854e-36ebd500b02e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3
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/4eeee53b-d5d9-4ad1-8e84-34fdba5d9013
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1245061
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 878074 Sample: SOA_210523.exe Startdate: 30/05/2023 Architecture: WINDOWS Score: 100 76 Found malware configuration 2->76 78 Sigma detected: Scheduled temp file as task from temp location 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 4 other signatures 2->82 7 SOA_210523.exe 7 2->7         started        11 YLcqPJe.exe 2->11         started        13 rVlKlic.exe 5 2->13         started        process3 file4 46 C:\Users\user\AppData\Roaming\rVlKlic.exe, PE32 7->46 dropped 48 C:\Users\user\...\rVlKlic.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmp5A14.tmp, XML 7->50 dropped 52 C:\Users\user\AppData\...\SOA_210523.exe.log, ASCII 7->52 dropped 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->84 86 May check the online IP address of the machine 7->86 88 Uses schtasks.exe or at.exe to add and modify task schedules 7->88 90 Adds a directory exclusion to Windows Defender 7->90 15 SOA_210523.exe 17 5 7->15         started        20 powershell.exe 20 7->20         started        22 schtasks.exe 1 7->22         started        92 Multi AV Scanner detection for dropped file 11->92 94 Machine Learning detection for dropped file 11->94 24 YLcqPJe.exe 11->24         started        26 schtasks.exe 11->26         started        28 YLcqPJe.exe 11->28         started        30 rVlKlic.exe 4 13->30         started        32 schtasks.exe 1 13->32         started        signatures5 process6 dnsIp7 54 api4.ipify.org 173.231.16.76, 443, 49692, 49694 WEBNXUS United States 15->54 56 smtp.gmail.com 108.177.127.108, 25, 49693 GOOGLEUS United States 15->56 66 2 other IPs or domains 15->66 42 C:\Users\user\AppData\Roaming\...\YLcqPJe.exe, PE32 15->42 dropped 44 C:\Users\user\...\YLcqPJe.exe:Zone.Identifier, ASCII 15->44 dropped 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->68 70 Tries to steal Mail credentials (via file / registry access) 15->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->72 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        58 104.237.62.211, 443, 49699 WEBNXUS United States 24->58 60 api.ipify.org 24->60 74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 38 conhost.exe 26->38         started        62 108.177.127.109, 25, 49695, 49700 GOOGLEUS United States 30->62 64 api.ipify.org 30->64 40 conhost.exe 32->40         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-29 08:58:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=we5jxdbtclhiwsc5dxn4tjgiicqi5fdzhmij6lt254zli35zthrq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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167ea427613672844817e73ce587a325bbce315affd1636c249249cecbada4b4
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1af9751a544e54a90c1b18ce2fb731d3f9b2e53e7143f9904622706109949abf
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4279e95d6e73bfee362446cb9c60671a50847f6830f990b085b1c91e1491d9af
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4ab89b325e3a60240b9696e26406d31b5c328d5c684759022a9c1523104fc5a0
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8866f6c589741b658ffd084aa66e2ef4b34f84b40238e7d60e2acc5961cf207c
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9748fc497d427eb41191ea495d907cd5d2dd9455ed20bf08df947bdb15d84baf
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c28ad3336a4f9b1cf6009d53c8b35bd6e50521a5c4546c506e119af8a3274de5
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cbf5b33f7d2a64b4d561ca05203c5af1093dfaf3bf9755cefdc3975627022554
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da1e5e998d07bc5955e623316800479e2cfe58fa00679491669ad288b3d48a9b
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ea3f69b9d5aebb683c12ff1014d62996dad0a81682e15386e838ac7d4120b430
AgentTesla
+ 1'918 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/230530-js983agd44/
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
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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:
3f41122c6dc8fef997ff15d717d7059edaa504b83d2be8d22dc13853b6443b66
MD5 hash:
c592ef83b4a996110b77d4d88e06f59a
SHA1 hash:
af9c8276ec6b0b4cd18f2fd97847f50737b6d62e
Link:
https://www.unpac.me/results/379165d1-121d-4229-b2de-ce6a92ca96d2/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/379165d1-121d-4229-b2de-ce6a92ca96d2/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
4621f1b0f0d51f140e3f82cd956cd9d98918a43229b95a01398cfed9c32f245f
MD5 hash:
4000c20f89fee3dcd722cee732a16cd6
SHA1 hash:
8891ac7d2e81bbf32213a383501f7df8f2596753
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/379165d1-121d-4229-b2de-ce6a92ca96d2/
Parent samples :
846691ccd7702dfd6f178c0c85afc082a38a539ead46d78749941ea499743f6c
2d6c9ac070f5bb55d66de498da4a8c26d377eb79d7917d03af6d3608e350ac08
c4b217fc04b181a152acf96ddb6f3d3f21d946308ae37c443c283028b3b0fe8d
8743e0488e2396c788528f3febac8b7ced15f219750753231918a2b67a40ca8b
a3928afcfa8b3e1825c9796ea9099e59e1e7ae2306fbfcc20dc3aae7c6065121
d67557fd37174016e188f4e3932341f74c0a79ade0a34fbffc190e91b9e5a0e4
2a232d34df6f69da4deaf5c66978d63ed8de80b166c57f1b48c64dc35718fef5
2c78017d8001429c9377a93a0e0740ac8e6b6e4b7beae7c70ab2c4a367acfb42
7e4f2a5a6801e34e8f36b4a1b10f55721a36bcf044894e5011d9e008deb93326
fee8b0a5bd69e9ca4d343dbf309b19ecc9a510dc26f7d84d1095fbb494763a99
167ea427613672844817e73ce587a325bbce315affd1636c249249cecbada4b4
6702eafd72ff8081618fc0ad6feaf194cd4fae7d5798184bd0a61fc7de4e01bf
c0a41c1683f9c405b1b05ac226472474672346b6aebc21920eb1a8c2308a7c99
e76c0b33b1eb4fb2bd767d6142755b54da9bbfbe8c404da94842e54920ef70cf
7d4221474c9d762be541c0a9dfe4b551b7d287f823246f7482795a9d628bbb78
cbf5b33f7d2a64b4d561ca05203c5af1093dfaf3bf9755cefdc3975627022554
7560967ba08549d7a5048c6cc582b717f85392ff4bbbe39abec424416ba3755d
4279e95d6e73bfee362446cb9c60671a50847f6830f990b085b1c91e1491d9af
c28ad3336a4f9b1cf6009d53c8b35bd6e50521a5c4546c506e119af8a3274de5
405c9b3fbe1d2a384a8405eaec58eafe116b839170879773ea056bcd86dade74
da1e5e998d07bc5955e623316800479e2cfe58fa00679491669ad288b3d48a9b
82ff0a181a498c9a794c085821aeec269122f36c222dfcf31ea39d71d6b4c9f9
7dbe25e6222a22ea4419523ff3ec0d62c073d9bdce1fe2dc34f1fa8adafcd4c9
82d1e259002e43b95937bc81dd217664d6b0776e39f6a25fd114ae7a37fdc616
b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3
ea3f69b9d5aebb683c12ff1014d62996dad0a81682e15386e838ac7d4120b430
4024305f22679e7580e906744bba5ad9193fbe444c9b30b24845f135886a3c86
a11e45f42950ae734ed9899726d90e51788282d5f3a0dc973a5fe6b7707b8516
e9b0ec0a9227f39255d2febd7eb08b56e436ba8e10d8d894294937b380eaf320
SH256 hash:
f449c7482131dbc865d66d2d8f2951fbcc0824cd7028216412a4b33a983708ac
MD5 hash:
3b719f53c3d8531956cacad25a714978
SHA1 hash:
77dfbf6073c37fb4b75668cf7f2d18bfb350c5ab
Link:
https://www.unpac.me/results/379165d1-121d-4229-b2de-ce6a92ca96d2/
SH256 hash:
0b861d0e19d173621dba77fc3954b6325b3e89e0856817eb9ac1b0e4b4b6f9a0
MD5 hash:
34e9924238cc9c184aed0f7e0dd905ab
SHA1 hash:
42e0e3852a327ae2d232858ba41fca9cadd628db
Link:
https://www.unpac.me/results/379165d1-121d-4229-b2de-ce6a92ca96d2/
SH256 hash:
b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3
MD5 hash:
e95931bd20db7e13562aba3b6dbb34ca
SHA1 hash:
fa930fba23a8b95b1aa011bbb52c748cd24e1471
Link:
https://www.unpac.me/results/379165d1-121d-4229-b2de-ce6a92ca96d2/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b13a9b8c3312/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/b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3

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

zip 7b547930689b7739b070dd2afcc55a695b7277b593459091ada6b7550c355ea0

AgentTesla

Executable exe b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/393416/
  
Dropped by
SHA256 7b547930689b7739b070dd2afcc55a695b7277b593459091ada6b7550c355ea0
  
Dropped by
MD5 075e9c5ae66175136673af3321c5d22d

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