MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 877a377b2985392ec6b261d53b6f20aa5ee4d2a96580a8991bca017b1f160cf5. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 877a377b2985392ec6b261d53b6f20aa5ee4d2a96580a8991bca017b1f160cf5
SHA3-384 hash: 19aad21af22acd947a378244f07bb933ffe288a5abc6505b82f86b727332c169f75515c2fddb6503386323fd6152fc6c
SHA1 hash: 2f914ec7f6c4306b0b6c0a67f4bad623c859abc8
MD5 hash: 1a18d138172353dd19920c35266f6d18
humanhash: artist-california-beryllium-hawaii
File name:Order AS007_22_0071.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:174'528 bytes
First seen:2022-11-07 13:44:52 UTC
Last seen:2022-11-07 15:18:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 3072:I8bQCLmGlFIdcz/bkX/FCRR+0+GM36VilpH7rykSU45qIEanCyKxZZfS:IyIAkXN4+0+l3DXHWUhIzK1
Threatray 15'793 similar samples on MalwareBazaar
TLSH T15904027626D688BBFE57B6714AF9EB20C736CA500521590767392F7B2F223C3350C58A
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.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 malwarelabnet
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-03-05T02:46:02Z
Valid to:2025-03-04T02:46:02Z
Serial number: -763224ac8ea9b0a6
Thumbprint Algorithm:SHA256
Thumbprint: f0f064b2ec735c66e341e518b005b30b0112ba67b68e1b203392048324c42064
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
Order AS007_22_0071.scr
Verdict:
Malicious activity
Analysis date:
2022-11-07 13:45:55 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/a8eeaefa-35e8-4d5c-a16b-f048e4a6765b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/329939/
Detection(s):
SecuriteInfo.com.Trojan.TR.AD.Nekark.taesw.29282.5110.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/49627/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer guloader overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63690be015611f8d8bf9536c/reports/25c438cb-4a70-4b39-bc4c-5ceb155028f6/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1f00c861-b713-4d4d-a082-53f852cdb155
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1107764
Signature
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 740427 Sample: Order AS007_22_0071.scr.exe Startdate: 07/11/2022 Architecture: WINDOWS Score: 100 26 ftp.lansol.com 2->26 28 lombardeamok.tk 2->28 34 Snort IDS alert for network traffic 2->34 36 Multi AV Scanner detection for domain / URL 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 5 other signatures 2->40 8 Order AS007_22_0071.scr.exe 3 27 2->8         started        signatures3 process4 file5 24 C:\Users\user\AppData\Local\...\System.dll, PE32 8->24 dropped 42 Tries to detect Any.run 8->42 12 CasPol.exe 15 11 8->12         started        16 CasPol.exe 8->16         started        18 CasPol.exe 8->18         started        20 CasPol.exe 8->20         started        signatures6 process7 dnsIp8 30 ftp.lansol.com 143.95.237.75, 21, 44957, 49828 ASMALLORANGE1US United States 12->30 32 lombardeamok.tk 27.100.36.115, 49826, 80 HOSTUS-GLOBAL-ASHostUSHK United States 12->32 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->44 46 Tries to steal Mail credentials (via file / registry access) 12->46 48 Tries to harvest and steal ftp login credentials 12->48 54 2 other signatures 12->54 22 conhost.exe 12->22         started        50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->52 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/877a377b2985392ec6b261d53b6f20aa5ee4d2a96580a8991bca017b1f160cf5/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-11-07 08:47:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q55do6zjqu4s5rvsmhktw3zavjpojuvjmwakrgi3ziaxwhywbt2q._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
07705270aaa5e16a07fb2180150cf0cac5da28cd8a12347bddc7c8f283459117
AgentTesla
200f037c6b5ea5be4526e928cd5aa0dbc5d7f6ab48f446cdff0ff07fed2db738
AgentTesla
41810fd3481f8d4ccfb45fddc97fef5ccdff10af555a2c1fa239c541d3fd16a3
AgentTesla
7025a565fe7b2b8a05477201f7dfdf8f2735dd056626aa0fbf6a949a4e61179f
AgentTesla
c509b66c0755a4e9e7b7ad209f460f7765b6c06954c9c4f88f051c14cdbc1f6b
AgentTesla
dd3f64e6a847fd8ba77ec995ef3c1b9b6ce164df8056545b9e537cf5a23f64a0
AgentTesla
f80dd0bf7402bebd03d303c97c8dd3f921d3e923a2521f4a2af2e4bf3c288aa1
AgentTesla
+ 15'783 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/221107-q2d1jscdeq/
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
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks QEMU agent file
Loads dropped DLL
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c1f722c4-ed01-4528-bf92-2a5bed045947
Unpacked files
SH256 hash:
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
MD5 hash:
3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 hash:
fe582246792774c2c9dd15639ffa0aca90d6fd0b
Link:
https://www.unpac.me/results/e4af2bf7-6482-4b26-9c5a-a96bc6e76c97/
SH256 hash:
877a377b2985392ec6b261d53b6f20aa5ee4d2a96580a8991bca017b1f160cf5
MD5 hash:
1a18d138172353dd19920c35266f6d18
SHA1 hash:
2f914ec7f6c4306b0b6c0a67f4bad623c859abc8
Link:
https://www.unpac.me/results/e4af2bf7-6482-4b26-9c5a-a96bc6e76c97/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/877a377b2985392ec6b261d53b6f20aa5ee4d2a96580a8991bca017b1f160cf5

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/329939/

Comments