MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b55637a26181e3420983b78038cedc5b9f3b10ac3cf0b904c6f9195f3b28baa. 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 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b55637a26181e3420983b78038cedc5b9f3b10ac3cf0b904c6f9195f3b28baa
SHA3-384 hash: e453845c9b716612c83cf21cb65cd42c189e915b1aec37527aaf291c288e67c40290a392d02e00ed16f76cee3b20f044
SHA1 hash: 93505578ef679ae9ba85e4369fe2d3b9404e22fe
MD5 hash: e092af3320c668d973ca003e7ecc387f
humanhash: alaska-helium-iowa-five
File name:e092af3320c668d973ca003e7ecc387f
Download: download sample
Signature AgentTesla
Create hunting rule
File size:681'984 bytes
First seen:2023-08-18 04:48:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:G/OvYe2xpDl+C2DLrst5BQdeBpzFxVegSKv/s7OkqhtDNA1C0aepmKsEJdb:G/OvWSst5WmVeg/v/aPsJI7fr
Threatray 999 similar samples on MalwareBazaar
TLSH T110E4121A75DB4E25C88D2B3698E34A0503BCA31F7167D71F94CC135A8A4BFE1A312BD9
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon aaaae8c8e8e8aaaa (15 x AgentTesla, 6 x Formbook, 1 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
299
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Invoice.xls
Verdict:
Malicious activity
Analysis date:
2023-08-17 18:27:38 UTC
Tags:
opendir loader exploit cve-2017-11882 stealer agenttesla
Link:
https://app.any.run/tasks/dfcc8732-5a76-4b41-b721-66852de21df8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/443403/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Labled as:
MSIL.Bladabindi.Generic
Link:
https://www.hybrid-analysis.com/sample/5b55637a26181e3420983b78038cedc5b9f3b10ac3cf0b904c6f9195f3b28baa
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/6b7fe4c9-567b-4349-a860-8d5b559a1ae9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1293239
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
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293239 Sample: si1QT8Hg1A.exe Startdate: 18/08/2023 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 6 other signatures 2->47 7 si1QT8Hg1A.exe 7 2->7         started        11 CwcZttCoAu.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...\CwcZttCoAu.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp5A86.tmp, XML 7->33 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Uses schtasks.exe or at.exe to add and modify task schedules 7->51 53 Adds a directory exclusion to Windows Defender 7->53 55 Injects a PE file into a foreign processes 7->55 13 si1QT8Hg1A.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 21 CwcZttCoAu.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 35 us2.smtp.mailhostbox.com 208.91.199.223, 49709, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->35 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        37 208.91.199.224, 49723, 587 PUBLIC-DOMAIN-REGISTRYUS United States 21->37 39 192.168.2.1 unknown unknown 21->39 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->61 63 Tries to steal Mail credentials (via file / registry access) 21->63 65 Tries to harvest and steal browser information (history, passwords, etc) 21->65 29 conhost.exe 23->29         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b55637a26181e3420983b78038cedc5b9f3b10ac3cf0b904c6f9195f3b28baa/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-08-17 05:09:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lnkwg6rgdapdiieyhn4ahdhnyw47hmikyphqxecmn6izl45srova._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
22f66a34d2354f08b0e4924f3d619d6fa0922adda2827f7e6f588f5855e4258e
AgentTesla
29e9fcdaf070133121d5a2d5dcb5f4a4a25892e21c60e1d29a497ddaa8d54ea9
AgentTesla
747605b46cef4d6526cec7edc03c2d7eeb02741b54746057bde5c08ab9a3af38
AgentTesla
96df12776607bce40d6ca1c8b9e79ac9b8bc8057ddf91014599e5452896ef4e0
AgentTesla
aed4ca29e0127320a814f0051b444338d8078cd79ee176c9db4a14c989dbf0c3
AgentTesla
c85501725c96d78ecd8fee67af11a0435c60251c6c63260edc47fb2e41f4437c
AgentTesla
c8a1fbd831c4d438831a93d5bbba11b2948fd2561d1fbdec63ec5e24958217ad
AgentTesla
cbabe9d8d2218ede4d631e216f8e0fbe7efab01ad9f52dc2652df994f7950922
AgentTesla
d2475c14cd534bca8b3a7a584900668545ed04d7f04c55c0958e05deaec4a7fc
AgentTesla
ebf19715b18364607ac0838f2ee38fbedc303e54619071cfc5b183b27ec0efe8
AgentTesla
+ 989 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230818-ffn9aaff34/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/32192de8-9027-4a62-b704-dd51aaf3b611/
SH256 hash:
c7b3959b435abb98c88f814a5bfae702d174564a15192eff9d16145dc86dbc48
MD5 hash:
9cce8d39d96c9982c0114ac091f20586
SHA1 hash:
a84b4fb588137015b6a781df9f9e4545f936259f
Link:
https://www.unpac.me/results/32192de8-9027-4a62-b704-dd51aaf3b611/
SH256 hash:
d1674ad53607a79e287d2878b45f260ef4b54ab261a60ed463abc2f18ef30264
MD5 hash:
739f483d8035f7ab0f9e42d9e7759c8b
SHA1 hash:
a6f727e8a92060aa86a2c5005c7abf968889df4d
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/32192de8-9027-4a62-b704-dd51aaf3b611/
Parent samples :
56262526e4be76814245c822a6b521dbde2c5d3299f0db4bb2bc7b8fdee1e8b5
90b9761dcd25c9d5b71632aceb036e4f7c66230a1e27fcb98d9a306d2caff7ed
96df12776607bce40d6ca1c8b9e79ac9b8bc8057ddf91014599e5452896ef4e0
d2475c14cd534bca8b3a7a584900668545ed04d7f04c55c0958e05deaec4a7fc
22f66a34d2354f08b0e4924f3d619d6fa0922adda2827f7e6f588f5855e4258e
5b55637a26181e3420983b78038cedc5b9f3b10ac3cf0b904c6f9195f3b28baa
65991091fbb81c3961dd91240296ae03aec2a94ef682dd194134e8cfdf69f8a4
ffa8e6e00d583ef5154e0e33f28d775858e9d71fd8e45247cec4e60e723f8f9f
64db0ce4b48466deb70395bfe2763f916c2cf1f7e967a266dc42484a02c83c1c
SH256 hash:
b26a7e88c2fc5a6dbf3e1f5d8ac59c4579b3b9047f462c5cb7ee79548fa18da9
MD5 hash:
06dc1333af7361fb9ebebe5c4dbe58e4
SHA1 hash:
1adadf881904c5370e96c0a566085cf3c83ca8d0
Link:
https://www.unpac.me/results/32192de8-9027-4a62-b704-dd51aaf3b611/
SH256 hash:
5b55637a26181e3420983b78038cedc5b9f3b10ac3cf0b904c6f9195f3b28baa
MD5 hash:
e092af3320c668d973ca003e7ecc387f
SHA1 hash:
93505578ef679ae9ba85e4369fe2d3b9404e22fe
Link:
https://www.unpac.me/results/32192de8-9027-4a62-b704-dd51aaf3b611/
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/5b55637a26181e3420983b78038cedc5b9f3b10ac3cf0b904c6f9195f3b28baa

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
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.

Web download

AgentTesla

Executable exe 5b55637a26181e3420983b78038cedc5b9f3b10ac3cf0b904c6f9195f3b28baa

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2705302/
Cape
Cape
https://www.capesandbox.com/analysis/443403/

Comments


Avatar
zbet commented on 2023-08-18 04:48:53 UTC

url : hxxp://192.3.223.26/280/ChromeSetup.exe