MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ca4331b53cb649259648314c7e8eb267cfba6d16fdbc58273fd1005584f4b91. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7ca4331b53cb649259648314c7e8eb267cfba6d16fdbc58273fd1005584f4b91
SHA3-384 hash: 0e8064677ab4dc9d5f25cb12b2188693fe0b880a0b4a5e44e4146ff52c531e2eb442cac7fb01a9e969b93587dd6d467b
SHA1 hash: 72820b0302894426cd1da8699884dd377c33a41a
MD5 hash: f2c87ae1a1b637a769359c675e86df2b
humanhash: north-fix-alaska-green
File name:Payment for MAWB NO 297-8450-7231.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:388'377 bytes
First seen:2023-06-07 09:50:00 UTC
Last seen:2023-06-09 09:11:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6brVYqBncWWaW6PG7gCniLnK0m7nn8K6chV+2C4II/Nuin95Pl5TAw0F5X/n/:vYJRYqBncTd7gCirK0m7nnthV+ByNbd2
Threatray 4'568 similar samples on MalwareBazaar
TLSH T13184230127E4C896C593077A6CB94333ABA6D5226875466F7730AF4F3E32312ED1A763
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
7
# of downloads :
275
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment for MAWB NO 297-8450-7231.exe
Verdict:
Malicious activity
Analysis date:
2023-06-07 09:50:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/679f20d8-6cfc-40ab-8b4b-896c35d71e6b

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/396354/
Detection(s):
Sanesecurity.Rogue.0hr.20230607-0334.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Reading critical registry keys
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/89702/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/648052cddfc04a62cb4080e3/reports/570458cd-e7ba-463c-a8a2-76f109a28d9c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/7ca4331b53cb649259648314c7e8eb267cfba6d16fdbc58273fd1005584f4b91
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/ceda8bbf-e1fe-409b-a342-540b2d8a1393
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1250139
Signature
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 has a suspicious name (potential lure to open the executable)
Sample uses string decryption to hide its real strings
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 883160 Sample: Payment_for_MAWB_NO_297-845... Startdate: 07/06/2023 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 5 other signatures 2->44 6 avvf.exe 19 2->6         started        10 Payment_for_MAWB_NO_297-8450-7231.exe 1 21 2->10         started        12 avvf.exe 19 2->12         started        process3 file4 22 C:\Users\user\AppData\Local\...\gtsziir.dll, PE32 6->22 dropped 46 Multi AV Scanner detection for dropped file 6->46 48 Detected unpacking (changes PE section rights) 6->48 50 Detected unpacking (creates a PE file in dynamic memory) 6->50 58 2 other signatures 6->58 14 avvf.exe 14 2 6->14         started        24 C:\Users\user\AppData\Roaming\...\avvf.exe, PE32 10->24 dropped 26 C:\Users\user\AppData\Local\...\gtsziir.dll, PE32 10->26 dropped 52 Detected unpacking (overwrites its own PE header) 10->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->54 56 May check the online IP address of the machine 10->56 60 2 other signatures 10->60 18 Payment_for_MAWB_NO_297-8450-7231.exe 17 3 10->18         started        28 C:\Users\user\AppData\Local\...\gtsziir.dll, PE32 12->28 dropped 20 avvf.exe 12->20         started        signatures5 process6 dnsIp7 30 api.ipify.org 14->30 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->62 64 Tries to steal Mail credentials (via file / registry access) 14->64 66 Tries to harvest and steal browser information (history, passwords, etc) 14->66 32 api4.ipify.org 64.185.227.155, 443, 49697, 49698 WEBNXUS United States 18->32 34 smtp.gmail.com 108.177.127.109, 49699, 49700, 587 GOOGLEUS United States 18->34 36 api.ipify.org 18->36 68 Creates multiple autostart registry keys 18->68 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7ca4331b53cb649259648314c7e8eb267cfba6d16fdbc58273fd1005584f4b91/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-06 23:35:40 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pssdgg2tznsjewleqmkmp2hlez6pxjwrn7n4latt7uiakwcpjoiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
193e2444ca045fd813211cd2c4093f882b6d0bfe183d7a66ad3492bf90b00d3c
AgentTesla
1f2f1746667ecb81ee35f0709ad5ff827d12664c17e05b1c50e7bb92305a18be
AgentTesla
35b2e419aac0f4b99c12bc54c7e80f095184accbbc528833e881cf5e834c58e4
AgentTesla
498a462f90680268425f0be93b68cf289a0aafa02c9159e2f708a55d7c694896
AgentTesla
4c39d7bc897c365a5c93f4fa958362f6e98d6cbdf8f7dcd9f84aa16caa972855
AgentTesla
53f05b8ffba066e35b4b68ca12d913f7b34f449a1956a359060cb6b5709a805a
AgentTesla
64f7160a149eb98340872f6bba7149c4b654cff413acced11d4c7ee14f3a7ad5
AgentTesla
89a0e99ef4a97ea1ad4212d7f539c9e851b97108f93a6ff64bbb0b5a5e8997d7
AgentTesla
+ 4'558 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/230607-ltx18she42/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Loads dropped DLL
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:
d448bb8ca711520f1dc1b039ee80a513b8b471e41e984e357bd2c94d314b0b03
MD5 hash:
3896b9cc605810c82ced79309112e684
SHA1 hash:
f753073598149802f9223a07b36e1f047df81cb9
Link:
https://www.unpac.me/results/1ba2b148-9d6a-44a4-b38e-cf4866498eb9/
SH256 hash:
ff10aa460f35fad810d73bb23431cd53d1076eb3253ad9117e3594f0dbe3b72f
MD5 hash:
d7d761a05a2b55b9f35a8fa24571c961
SHA1 hash:
bbb49bf54538e4b6c814d25c7b53cf82418a3921
Link:
https://www.unpac.me/results/1ba2b148-9d6a-44a4-b38e-cf4866498eb9/
SH256 hash:
d495833f204e4cf02f08493c2b76edc8aa20e1e801f8ad4a0eae2bdf8481fedd
MD5 hash:
c94d886c503c4b4975cd92e80429ccbc
SHA1 hash:
1e8307717a3812d2321ececd55bebaf52ae1548f
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/1ba2b148-9d6a-44a4-b38e-cf4866498eb9/
Parent samples :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 hash:
7ca4331b53cb649259648314c7e8eb267cfba6d16fdbc58273fd1005584f4b91
MD5 hash:
f2c87ae1a1b637a769359c675e86df2b
SHA1 hash:
72820b0302894426cd1da8699884dd377c33a41a
Link:
https://www.unpac.me/results/1ba2b148-9d6a-44a4-b38e-cf4866498eb9/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7ca4331b53cb/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/7ca4331b53cb649259648314c7e8eb267cfba6d16fdbc58273fd1005584f4b91

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 bfbda46a75c2c6eb06596955ff86bb015e2ec3bb060465699a54912ad54953f5

AgentTesla

Executable exe 7ca4331b53cb649259648314c7e8eb267cfba6d16fdbc58273fd1005584f4b91

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/396354/
  
Dropped by
SHA256 bfbda46a75c2c6eb06596955ff86bb015e2ec3bb060465699a54912ad54953f5
  
Dropped by
MD5 8e2ba433bd90b8a4d96a38dbe1b226e9
  
Dropped by
SHA256 c94280db9d63ff7ba0c3e1f92f48e9feb4c383285ceb2b79a00861ac446bca7c
  
Dropped by
MD5 2402c29e427da138d43c2a6a2eaca870
  
Dropped by
SHA256 03a7428ff100bafa1ab62ebf5888293afd81ea78d34e2e8556df4ef198850ab5
  
Dropped by
MD5 67c434d6f5255fe2df5fb2971c6e2e29

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