MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1b82a8eb5ea3bb868a923672c161662e56ba55501e16e745bf29352ebe996de. 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: 17


Intelligence 17 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1b82a8eb5ea3bb868a923672c161662e56ba55501e16e745bf29352ebe996de
SHA3-384 hash: b8683410208a13a68a0c4f8f5c2947875ef9d7785188284dec3602843b86c37eea6e5c9e710d1e73978071c26011f349
SHA1 hash: 921e034478fe2427d6b4175b9639819e5eec2987
MD5 hash: b1897de899f87437bf884bff539716b0
humanhash: carolina-snake-mars-carpet
File name:Quotation 911799 - EM092722.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:297'179 bytes
First seen:2023-07-19 08:43:55 UTC
Last seen:2023-07-19 08:44:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:ZYa6p5EkQ3+/pTxnJ0KMyKioZUTDRzFJ9X/pBz1prQg1BEz+344jUxBHRmP5B:ZYHi+/pTxCKMyhoZsRzFJ9p11avungzs
Threatray 5'064 similar samples on MalwareBazaar
TLSH T1D5541220F2E4C17BC4E34A3189302D6A4BF5D324E17A5B672364BFD4B972291E71AF91
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 4f07090d0d014f8c (47 x SnakeKeylogger, 17 x Formbook, 13 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe QUOTATION

Intelligence

File Origin
# of uploads :
2
# of downloads :
275
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Quotation 911799 - EM092722.exe
Verdict:
Malicious activity
Analysis date:
2023-07-19 08:45:11 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/34c64fe8-17e2-40f6-865b-642becb3ebec

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/424539/
Detection(s):
Sanesecurity.Rogue.0hr.20230718-1434.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64b7a254f52c3e1a014a6b3c/reports/07894c50-b8b1-40b4-a2c6-19566b55d784/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e1b82a8eb5ea3bb868a923672c161662e56ba55501e16e745bf29352ebe996de
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/3e578cf2-34c8-40c8-8571-22878000e947
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1275795
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 API chain indicative of debugger detection
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 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: 1275795 Sample: Quotation_911799_-_EM092722.exe Startdate: 19/07/2023 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->57 59 5 other signatures 2->59 6 Quotation_911799_-_EM092722.exe 1 20 2->6         started        10 wcluafktyirmvr.exe 18 2->10         started        13 wcluafktyirmvr.exe 18 2->13         started        process3 dnsIp4 23 C:\Users\user\AppData\...\wcluafktyirmvr.exe, PE32 6->23 dropped 25 C:\Users\user\AppData\Local\...\gmdkcknz.dll, PE32 6->25 dropped 61 Detected unpacking (changes PE section rights) 6->61 63 Detected unpacking (creates a PE file in dynamic memory) 6->63 65 Detected unpacking (overwrites its own PE header) 6->65 77 3 other signatures 6->77 15 Quotation_911799_-_EM092722.exe 17 3 6->15         started        31 192.168.2.1 unknown unknown 10->31 27 C:\Users\user\AppData\Local\...\gmdkcknz.dll, PE32 10->27 dropped 67 Multi AV Scanner detection for dropped file 10->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->69 71 May check the online IP address of the machine 10->71 73 Machine Learning detection for dropped file 10->73 19 wcluafktyirmvr.exe 14 2 10->19         started        29 C:\Users\user\AppData\Local\...\gmdkcknz.dll, PE32 13->29 dropped 75 Maps a DLL or memory area into another process 13->75 21 wcluafktyirmvr.exe 2 13->21         started        file5 signatures6 process7 dnsIp8 33 api4.ipify.org 104.237.62.211, 443, 49690, 49694 WEBNXUS United States 15->33 35 mail.icmpp.ro 193.138.98.3, 49691, 49695, 49697 ROEDUNETRO Romania 15->35 43 2 other IPs or domains 15->43 45 Creates multiple autostart registry keys 15->45 37 api.ipify.org 19->37 39 173.231.16.76, 443, 49696 WEBNXUS United States 21->39 41 api.ipify.org 21->41 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->47 49 Tries to steal Mail credentials (via file / registry access) 21->49 51 Tries to harvest and steal browser information (history, passwords, etc) 21->51 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e1b82a8eb5ea3bb868a923672c161662e56ba55501e16e745bf29352ebe996de/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-07-18 09:39:28 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 25 (88.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4g4cvdvv5i53q2fjentsyfqwmlswxjkvahqw45c36kjvf27js3pa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
08823481d8c0a61327de893496458b7b66dc6d42418ed595b83fa0d4509b01a4
AgentTesla
143a0fddc3af51f26980672385b2f8102d1b8cc473c285cc5ec40dc6c642c4a2
AgentTesla
2d6e0405a2a3b73566f01d21c9747d6a09e65a0b093f980d915d3cb3f1ff89b3
AgentTesla
518ef92be84234185738f94f0fef4dcd67cf58a9c424f6c0d4c4cd991db9caef
AgentTesla
7918d390e8ff7703cf6241499b0bf03eb8318008679c3e185a491dad0a2f2695
AgentTesla
8dce15749402eeaeca7a56fb5630043dd04c65f340005c847ad0005d4efb7905
AgentTesla
9efc36a1bb544ad144466805bc505ab8240237a01bbd45ef2813f2a513ca885a
AgentTesla
a54c57d081e28c09d26a5ef8d3b471af22e6b4ab2f65b1a89bb2a79c23872135
AgentTesla
f9a63e6fa3770facd4b6945b71e91aabe8f8c1463ed9ecb4a73bcaae4a298927
AgentTesla
+ 5'054 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/230719-km6jcsaa94/
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:
a971a61af90faee262b9e36370cf66602af3ac8b832371d3b16a8a3240ec5333
MD5 hash:
ab51a0c21802a21749dfb670518e0f5a
SHA1 hash:
e0a4d51a92088183d756423bedca562c1ab532d0
Link:
https://www.unpac.me/results/6e748250-89b2-4af7-ac62-7e6d6be76324/
SH256 hash:
26c8dd8e10aaadb85549f58d2353248b7a76899707f254610ca7b9b77b7d8638
MD5 hash:
2c3e4db5ff311932a66d02675a56e18a
SHA1 hash:
46283a10550bc6a928ec9a06cb7f79f14f3cfd77
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/6e748250-89b2-4af7-ac62-7e6d6be76324/
Parent samples :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 hash:
84baceefb2a31b6d67f5c11ee387fab384b983a89295d3477e826dc4ffb21a96
MD5 hash:
6fa8ff83ea93bf9753afdc1255d2f6de
SHA1 hash:
0ce1501d8730105c8f9d33e2723ef2fcbabcbd9e
Link:
https://www.unpac.me/results/6e748250-89b2-4af7-ac62-7e6d6be76324/
SH256 hash:
e1b82a8eb5ea3bb868a923672c161662e56ba55501e16e745bf29352ebe996de
MD5 hash:
b1897de899f87437bf884bff539716b0
SHA1 hash:
921e034478fe2427d6b4175b9639819e5eec2987
Link:
https://www.unpac.me/results/6e748250-89b2-4af7-ac62-7e6d6be76324/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e1b82a8eb5ea/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/e1b82a8eb5ea3bb868a923672c161662e56ba55501e16e745bf29352ebe996de

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:AgentTeslaV4
Create hunting rule
Author:Rony (r0ny_123)
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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 f5c1e959753342533cbd0ca3dea69f4a7212070a314b75db381add8a0f75623f

AgentTesla

Executable exe e1b82a8eb5ea3bb868a923672c161662e56ba55501e16e745bf29352ebe996de

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f5c1e959753342533cbd0ca3dea69f4a7212070a314b75db381add8a0f75623f
Cape
Cape
https://www.capesandbox.com/analysis/424539/
  
Dropped by
MD5 a0f971a8f55645d2de3aa12e4a04fee8

Comments