MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5c77e51dc1af0c4af0a3b0d3fed6fcdd7903017aee805bf5d64764b1472ca5b. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5c77e51dc1af0c4af0a3b0d3fed6fcdd7903017aee805bf5d64764b1472ca5b
SHA3-384 hash: ceb649609431de0e6a324e3638a2a1d818fecd856d90e38dca58889078ab89ee7ea92bb317bacfee1187e90b663502b2
SHA1 hash: 0f6539d1e6ee1527c809366af50db63d67d29585
MD5 hash: 092998cd1992462b4c31e85c8b66964f
humanhash: three-twenty-nineteen-whiskey
File name:Bank Information.exe.gz.001.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:612'864 bytes
First seen:2023-11-23 08:36:24 UTC
Last seen:2023-11-23 10:17:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:H8obGgM2lfqRpWC9B+9QVvv1ZR1MUVNI+549k9NrylYrOw:cCzPW+gn1ZRGUVWC4yTylYO
TLSH T1B8D423123358BFA0D8B95BF5A061005587F6782B4AA2FF491CC260ED4DF5B025B72F63
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 cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
318
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Bank Information.exe.gz.001.exe
Verdict:
Malicious activity
Analysis date:
2023-11-23 08:36:58 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/99760639-3766-4f34-bd80-2b361b273003

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/459832/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.22819.1734.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/655f0f3171f79230350e55cc/reports/c36beabc-0724-4e73-b2e6-4aade0f37103/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c5c77e51dc1af0c4af0a3b0d3fed6fcdd7903017aee805bf5d64764b1472ca5b
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/b4a2637c-495a-4150-8988-10fccd3aa2a9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1346812
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1346812 Sample: Bank_Information.exe.gz.001.exe Startdate: 23/11/2023 Architecture: WINDOWS Score: 100 44 mail.iaa-airferight.com 2->44 48 Snort IDS alert for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 9 other signatures 2->54 8 Bank_Information.exe.gz.001.exe 7 2->8         started        12 TVhAPdoFSKFrf.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\TVhAPdoFSKFrf.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpC196.tmp, XML 8->42 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 66 2 other signatures 8->66 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        28 RegSvcs.exe 12->28         started        30 RegSvcs.exe 12->30         started        signatures6 process7 dnsIp8 46 mail.iaa-airferight.com 84.54.23.97, 25, 49734, 49735 DEDIPATH-LLCUS Germany 14->46 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->70 72 Tries to steal Mail credentials (via file / registry access) 14->72 32 conhost.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 38 conhost.exe 26->38         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c5c77e51dc1af0c4af0a3b0d3fed6fcdd7903017aee805bf5d64764b1472ca5b
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c5c77e51dc1af0c4af0a3b0d3fed6fcdd7903017aee805bf5d64764b1472ca5b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-22 07:03:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yxdx4uo4dlymjlykhmgt73lpzxlzamaxv3ualp25mr3ewfdszjnq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231123-kh5q9sgg28/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
83c5af55bdd939697dbe7355b9bc83f79ba87afdfc9de53b060cb2a53b8e85da
MD5 hash:
1f5ebde590d6a622555a38c22fb94117
SHA1 hash:
f415b0c8eeb08709fd3070542ac95239610030c5
Link:
https://www.unpac.me/results/79bbfb83-cb99-4184-9f83-f9553e95773b/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/79bbfb83-cb99-4184-9f83-f9553e95773b/
SH256 hash:
186bc47f84bd549cd52598955cdb159efc8f11c6c04ab3d72b42f2e85aeb7669
MD5 hash:
46f31ce406879d3fa817588414d40997
SHA1 hash:
86724872ac35ec0a7f2ba704c9ccb5b6120384f5
Link:
https://www.unpac.me/results/79bbfb83-cb99-4184-9f83-f9553e95773b/
SH256 hash:
bafe6d176d0181707a4d60fc9b0046a57259c6ab8def0e18c2436366c3226eae
MD5 hash:
0ddb2ef6bf53ca68ef12e8f4edbcc6d2
SHA1 hash:
40c262dbf694c3d66d09de2ecb75acc746af9e3b
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/79bbfb83-cb99-4184-9f83-f9553e95773b/
Parent samples :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 hash:
c5c77e51dc1af0c4af0a3b0d3fed6fcdd7903017aee805bf5d64764b1472ca5b
MD5 hash:
092998cd1992462b4c31e85c8b66964f
SHA1 hash:
0f6539d1e6ee1527c809366af50db63d67d29585
Link:
https://www.unpac.me/results/79bbfb83-cb99-4184-9f83-f9553e95773b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5c77e51dc1a/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/c5c77e51dc1af0c4af0a3b0d3fed6fcdd7903017aee805bf5d64764b1472ca5b

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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

gz 9028e4d15b0eb51997a30e99c0f5a1bd9842d8db56036ac194d3ce33f6e72677

AgentTesla

Executable exe c5c77e51dc1af0c4af0a3b0d3fed6fcdd7903017aee805bf5d64764b1472ca5b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 9028e4d15b0eb51997a30e99c0f5a1bd9842d8db56036ac194d3ce33f6e72677
  
Dropped by
SHA256 1bfe4316ed13b9ca08ef7fa09e26d57930dd8014a1644b00748ace75c76890ca
Cape
Cape
https://www.capesandbox.com/analysis/459832/
  
Dropped by
MD5 1e193e1ec31624c64114446b48606e4b
  
Dropped by
MD5 04e6e940106f4a258f9fb874512dd481

Comments