MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbb301f4dcc603a5995bdf179b4d129f976b9ca654093e92eff080cc583b0d7b. 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: bbb301f4dcc603a5995bdf179b4d129f976b9ca654093e92eff080cc583b0d7b
SHA3-384 hash: 6f5447440fa4ee27d5f329fefc9b091aacfb3eee13f900ee52201a8226c59f57efcd56a925c15122a367c57c640ee223
SHA1 hash: 47c4ab5ed965187fbad6369191f47df010e9cc4a
MD5 hash: f28b3d77202e308cb120a5fa7f399cb4
humanhash: failed-fruit-earth-fish
File name:SOA-April--May 2023.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:374'888 bytes
First seen:2023-06-22 13:07:25 UTC
Last seen:2023-06-23 06:32:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6Qvqo5DHEAxwI0ndJ4jUkpTKVp6SKldr+m3z/5bDhOfG0Y7dGbalxiXx:/YuvqmEA61fxRKlNBDlhOj6lxih
Threatray 3'988 similar samples on MalwareBazaar
TLSH T1768422053AA0E4B7CA16C5736F7D2477EEE8E0065021D55B7F017B2AB9A3253CA2D7C2
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 James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
276
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SOA-April--May 2023.exe
Verdict:
Malicious activity
Analysis date:
2023-06-22 13:10:18 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/a5810f09-90f5-49dc-98a1-db6566a612e9

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/401684/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.22782.31135.3532.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
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Reading critical registry keys
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/92122/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/649447b299f0c0cb0933858b/reports/7719b725-fe2b-4c19-80a0-978d0aa2ef90/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/bbb301f4dcc603a5995bdf179b4d129f976b9ca654093e92eff080cc583b0d7b
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/c60cb4d5-e66d-421a-ac39-92888847e2b0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1259731
Signature
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
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 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: 892751 Sample: SOA-April--May_2023.exe Startdate: 22/06/2023 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected AgentTesla 2->42 44 2 other signatures 2->44 6 pyuenjsoxh.exe 19 2->6         started        10 SOA-April--May_2023.exe 1 21 2->10         started        12 pyuenjsoxh.exe 2->12         started        process3 file4 20 C:\Users\user\AppData\Local\...\qppqobz.dll, PE32 6->20 dropped 46 Multi AV Scanner detection for dropped file 6->46 48 Detected unpacking (changes PE section rights) 6->48 50 Detected unpacking (overwrites its own PE header) 6->50 60 2 other signatures 6->60 14 pyuenjsoxh.exe 14 2 6->14         started        22 C:\Users\user\AppData\...\pyuenjsoxh.exe, PE32 10->22 dropped 24 C:\Users\user\AppData\Local\...\qppqobz.dll, PE32 10->24 dropped 52 Detected unpacking (creates a PE file in dynamic memory) 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 58 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->58 18 SOA-April--May_2023.exe 15 2 10->18         started        signatures5 process6 dnsIp7 26 104.237.62.211, 443, 49696 WEBNXUS United States 14->26 28 208.91.198.143, 49697, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->28 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, 49694 WEBNXUS United States 18->32 34 us2.smtp.mailhostbox.com 208.91.199.223, 49695, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->34 36 api.ipify.org 18->36 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bbb301f4dcc603a5995bdf179b4d129f976b9ca654093e92eff080cc583b0d7b/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-22 11:39:38 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
27 of 36 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xozqd5g4yyb2lgk334lzwtist6lwxhfgkqet5exp6camywb3bv5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0203a7aeb82b24054ceee810c5218caf63d36c75f00b9df5ba62c41aa0ac4de7
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1845d25cc1f21285f80768fb78778ea9cf0bc9656b1ebca9c1c48e3077ff88a5
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1db6551d7efb2ebfad70efe198dea03dcc6fb41bab1f8297cbbedc80775accde
AgentTesla
216e8743347dc86b61953a60917a48669dd6d039fdcbff99ea2893959f311a23
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38b7e813402447704258ca274ea142fc05f52da70913bbd3d31392a855287f8e
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3999ae85e06577c12f54b2b716c659836945aa0ca246af9607d27a756f44d194
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5644a5e00ee1418ea4a41d962011154eb3e546143cfb4140d4e72953b1b75251
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ddde47cccacd1004e6fea80b5f6914f9b6e4601c7d0a09bd0334a4533a04c847
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e78333be3402a8425c18a63f6938fa2f861c877e362d6c679079c17d6ee18dd2
AgentTesla
+ 3'978 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/230622-qc7xbsfg8y/
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:
e9255677f2ce634d52ee083aa1a20099bc11e8db05374a6f75a523927c0c475b
MD5 hash:
c01ae485949a60f0a3076868286e047e
SHA1 hash:
6d1a4da4ce53a36a70da943b8b3895399d7c27ba
Link:
https://www.unpac.me/results/b2e9c369-f079-455b-9e1f-f3f6af911663/
SH256 hash:
bbb301f4dcc603a5995bdf179b4d129f976b9ca654093e92eff080cc583b0d7b
MD5 hash:
f28b3d77202e308cb120a5fa7f399cb4
SHA1 hash:
47c4ab5ed965187fbad6369191f47df010e9cc4a
Link:
https://www.unpac.me/results/b2e9c369-f079-455b-9e1f-f3f6af911663/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bbb301f4dcc6/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/bbb301f4dcc603a5995bdf179b4d129f976b9ca654093e92eff080cc583b0d7b

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 2404b8fb262a03afd37e6d702b0f821552a710608246551bdc280125a3afe8e2

AgentTesla

Executable exe bbb301f4dcc603a5995bdf179b4d129f976b9ca654093e92eff080cc583b0d7b

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/401684/
  
Dropped by
SHA256 2404b8fb262a03afd37e6d702b0f821552a710608246551bdc280125a3afe8e2
  
Dropped by
MD5 c66f802487934ad724d3eee407cf0898

Comments