MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 def9c953d890a13ad2bbee642ff2aa1794dbddb2df0663cae873115116144d24. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: def9c953d890a13ad2bbee642ff2aa1794dbddb2df0663cae873115116144d24
SHA3-384 hash: 4e8d56d667453b2f3e90dec22ec12e86d5e86310a4875302f663658da6b1d6621f096fab47bd8518f961592ef2c356a5
SHA1 hash: d13cbf11d9ce3c8271a04c46aea473b0d469fdb1
MD5 hash: 4fe072b888cd64ff01d73d8b80bfcf3e
humanhash: jupiter-march-friend-pizza
File name:file
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'905'600 bytes
First seen:2024-09-19 20:21:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 49152:L3odaJHGVBGlKwJJWjTC6E2SEB98SldUzXhkHnsQDhuqqXWJOPp9X+qCko:7Dpzwkd6AEL3l4RUTqXWJOPp9uq2
TLSH T1ABD533B553BC39B6D4A410BD9EB362940BF4A935A722F99555E1BCEE0C437E0827033B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 696a6ee2b2b2c2cc (18 x RedLineStealer, 17 x LummaStealer, 16 x CoinMiner)
Reporter Bitsight
Tags:AgentTesla exe


Avatar
Bitsight
url: http://147.45.44.104/yuop/66ec3528901bb_winupdate11.exe#inst14

Intelligence

File Origin
# of uploads :
1
# of downloads :
403
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-19 20:23:34 UTC
Tags:
rat asyncrat remote netreactor purehvnc
Link:
https://app.any.run/tasks/61b0ec57-9949-4002-b527-77c06f63f8b8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.13700.29354.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ec87ec77496a3b0d6eff65
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66ec87ed4a48170ff00cbc6f/reports/3e66a5bf-e4ee-45c1-8185-ddcdce8f04ed/overview
Verdict:
Malicious
Labled as:
Trojan.Heur.Generic
Link:
https://www.hybrid-analysis.com/sample/def9c953d890a13ad2bbee642ff2aa1794dbddb2df0663cae873115116144d24
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/4d11279d-da03-4851-a741-db99e94aa950
Result
Threat name:
PureCrypter, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1514163
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected PureCrypter Trojan
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1514163 Sample: file.exe Startdate: 19/09/2024 Architecture: WINDOWS Score: 100 54 Suricata IDS alerts for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for dropped file 2->58 60 11 other signatures 2->60 9 file.exe 1 6 2->9         started        process3 file4 42 C:\Users\user\AppData\...\WinInstUpdate.exe, PE32 9->42 dropped 44 C:\Users\user\AppData\...\crypted-stealer.exe, PE32 9->44 dropped 46 C:\...\WinInstUpdate.exe:Zone.Identifier, ASCII 9->46 dropped 66 Found many strings related to Crypto-Wallets (likely being stolen) 9->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->68 70 Writes to foreign memory regions 9->70 72 Injects a PE file into a foreign processes 9->72 13 InstallUtil.exe 1 5 9->13         started        18 crypted-stealer.exe 3 9->18         started        signatures5 process6 dnsIp7 52 212.34.150.28, 49702, 49709, 56001 RAN-NETWORKSES Spain 13->52 48 C:\Users\user\AppData\...\winupdate11.exe, PE32 13->48 dropped 50 C:\Users\user\AppData\...\Cpqpuxj7nCGb.bat, DOS 13->50 dropped 82 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 13->82 84 Found many strings related to Crypto-Wallets (likely being stolen) 13->84 86 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 13->86 96 4 other signatures 13->96 20 cmd.exe 13->20         started        88 Machine Learning detection for dropped file 18->88 90 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 18->90 92 Writes to foreign memory regions 18->92 94 Injects a PE file into a foreign processes 18->94 23 powershell.exe 15 18->23         started        25 RegAsm.exe 2 18->25         started        file8 signatures9 process10 signatures11 62 Uses ping.exe to sleep 20->62 64 Uses ping.exe to check the status of other devices and networks 20->64 27 winupdate11.exe 20->27         started        30 conhost.exe 20->30         started        32 chcp.com 20->32         started        34 PING.EXE 20->34         started        36 conhost.exe 23->36         started        38 WerFault.exe 25->38         started        process12 signatures13 74 Antivirus detection for dropped file 27->74 76 Multi AV Scanner detection for dropped file 27->76 78 Machine Learning detection for dropped file 27->78 80 3 other signatures 27->80 40 InstallUtil.exe 27->40         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/def9c953d890a13ad2bbee642ff2aa1794dbddb2df0663cae873115116144d24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/def9c953d890a13ad2bbee642ff2aa1794dbddb2df0663cae873115116144d24/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-09-19 20:22:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3344su6yscqtvuv35zsc74vkc6knxxns34dghsxiomivcfqujusa._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery persistence
Link:
https://tria.ge/reports/240919-y5jzzaydke/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Indicator Removal: File Deletion
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6b5b70f5-8a57-4538-af3a-eb6149dacfa0
Unpacked files
SH256 hash:
455effaa109dc0a2090cbc1993e5e663274a77d3e087a5cd01fbfca5e6923753
MD5 hash:
5eee8d2c95295d464a48b1b0356f2f35
SHA1 hash:
a9fc5eedf2d7c812ef6f5881030d4bb8261f7191
Link:
https://www.unpac.me/results/36c53900-54ee-4e52-a454-b7c781ed2482/
SH256 hash:
d706ee3c79e15bc63c43ec383dd881abedd2afaee7e542b7dd9e15d27000c869
MD5 hash:
3b2872e46e4997ed3760efba909325a6
SHA1 hash:
753cdeb9377dc64df52e8d4ea27a8869227b8883
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/36c53900-54ee-4e52-a454-b7c781ed2482/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/36c53900-54ee-4e52-a454-b7c781ed2482/
SH256 hash:
def9c953d890a13ad2bbee642ff2aa1794dbddb2df0663cae873115116144d24
MD5 hash:
4fe072b888cd64ff01d73d8b80bfcf3e
SHA1 hash:
d13cbf11d9ce3c8271a04c46aea473b0d469fdb1
Link:
https://www.unpac.me/results/36c53900-54ee-4e52-a454-b7c781ed2482/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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 def9c953d890a13ad2bbee642ff2aa1794dbddb2df0663cae873115116144d24

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3181590/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments