MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4. 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 14 File information Comments
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SHA256 hash: 2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4
SHA3-384 hash: f9a472014be656f1e465f63ed33000d2d77131b6ca22604df265ccce4c0f3c0b9c4435cc7908c4e3b11e3799d08c792a
SHA1 hash: 1d3e3bb92c0350076148ba6fc3573335aaf03a9c
MD5 hash: 431c41bf81aabdb9577e61c7bde667ef
humanhash: oranges-queen-carbon-william
File name:SecuriteInfo.com.Trojan.MulDrop24.29879.27945.6957
Download: download sample
Signature AgentTesla
Create hunting rule
File size:905'728 bytes
First seen:2023-12-09 01:16:07 UTC
Last seen:2023-12-12 08:17:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:2z63kwR3ZuSHC4d4IlDjIN2SM0yuwQGVcYfqVxZXJSbPoc3cxQuIf:2Q1C4d4IpkNVMvnQakxZXJPnO
TLSH T15C15D23C58BD2A37D0B6C2AACFE985A7F440947F3A216D6A84D787554342AD374C323E
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
323
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/463831/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.MulDrop24.29879.27945.6957.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6573c00e47603edff333cbca/reports/69e98a53-34c4-4df4-b518-9fb1f7c6aa08/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4
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/8f16cb70-9fcf-46a8-a661-7a2cb089c8d4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1356708
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1356708 Sample: SecuriteInfo.com.Trojan.Mul... Startdate: 09/12/2023 Architecture: WINDOWS Score: 100 38 mail.elec-qatar.com 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 11 other signatures 2->48 8 SecuriteInfo.com.Trojan.MulDrop24.29879.27945.6957.exe 7 2->8         started        12 kzsAJcIeUIa.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\kzsAJcIeUIa.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmpFD90.tmp, XML 8->36 dropped 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->50 52 Uses schtasks.exe or at.exe to add and modify task schedules 8->52 54 Adds a directory exclusion to Windows Defender 8->54 56 Injects a PE file into a foreign processes 8->56 14 SecuriteInfo.com.Trojan.MulDrop24.29879.27945.6957.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        22 SecuriteInfo.com.Trojan.MulDrop24.29879.27945.6957.exe 8->22         started        58 Antivirus detection for dropped file 12->58 60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 24 kzsAJcIeUIa.exe 2 12->24         started        26 schtasks.exe 1 12->26         started        signatures6 process7 dnsIp8 40 mail.elec-qatar.com 50.87.139.143, 49707, 49710, 587 UNIFIEDLAYER-AS-1US United States 14->40 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->64 66 Tries to steal Mail credentials (via file / registry access) 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 32 conhost.exe 26->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-08 23:11:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
22 of 35 (62.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fb37pgk4e425t43xnje3nmuptl4fardlai4cdaz4srmbzyvwrhca._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231209-bndqasdhcp/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
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:
8b76c98384c6c3adc45bccab7569d9c9683c322c20934b03cda24c84b76fb70d
MD5 hash:
88d10653202e2cfcd3e972537f3911ce
SHA1 hash:
d9480b6ad651a8b777a91f7dcf31652de1e03894
Link:
https://www.unpac.me/results/59f80130-cbdf-4d83-97ed-15cc4812d204/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/59f80130-cbdf-4d83-97ed-15cc4812d204/
SH256 hash:
838e5000e114e29ebed5b65480a49b4438e51fa9987c6613149dd377252e272a
MD5 hash:
5120b64529a0108f59cddc8e4e3e1df8
SHA1 hash:
90acd7a847b2bbb928a8aa30423a0c314bd0f3e1
Link:
https://www.unpac.me/results/59f80130-cbdf-4d83-97ed-15cc4812d204/
SH256 hash:
bc419893a2948f85aa53af290eca67dc626ab1467b72a45419385d0fe709fd58
MD5 hash:
7911215edc491695bf598dbff6f1d0c1
SHA1 hash:
2eba02407a65333a3675b0bafda8ddd3f2f7fc99
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/59f80130-cbdf-4d83-97ed-15cc4812d204/
Parent samples :
2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4
760870faeb6c745b911d6a40a785ca0f42f15d6e454899afd40ecc64c5d6522b
961501b7f2e2ba7d255fc9cc4de8dfd0697dd2265c2e4e316f92854166614c31
c672b9f17d0f36dfd43f786dda0bacfc288600734c81f10fead1818430fd00f6
5f9ee678455399dd85542787b4064b3966616893698b295e111f4ebf7866b094
bc419893a2948f85aa53af290eca67dc626ab1467b72a45419385d0fe709fd58
SH256 hash:
2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4
MD5 hash:
431c41bf81aabdb9577e61c7bde667ef
SHA1 hash:
1d3e3bb92c0350076148ba6fc3573335aaf03a9c
Link:
https://www.unpac.me/results/59f80130-cbdf-4d83-97ed-15cc4812d204/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2877f7995c27/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/2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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.

Malspam

AgentTesla

zip b0ee7e87a6fbb53e2c9ebfc1c98a9c3df66045507a0931646f8e7772e403248c

AgentTesla

Executable exe 2877f7995c2735d9f3776a49b6b28f9af850446b023821833c94581ce2b689c4

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/463831/
  
Dropped by
SHA256 b0ee7e87a6fbb53e2c9ebfc1c98a9c3df66045507a0931646f8e7772e403248c
  
Dropped by
MD5 584cf798e5d327bd83029f671ce367ff

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