MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5a39d95388a1324e37c31b9bc6a527941dd0c0736a0971ead7ec611474d2eb7. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e5a39d95388a1324e37c31b9bc6a527941dd0c0736a0971ead7ec611474d2eb7
SHA3-384 hash: 1ebc00f0cfae85dc1add297f96c379a0f7675ae45c45b065257913799c9adcea8df01619e1ef143bb427a8c693d6f47e
SHA1 hash: 666e611bd3278c3a36fa423242dca61197f109e5
MD5 hash: 90de6be2a577363b08fcbf891cc65068
humanhash: snake-vegan-mexico-nebraska
File name:COSCO DN 5874 COSCO DN 5977 COSCO DN 6268.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:859'696 bytes
First seen:2023-11-14 09:16:26 UTC
Last seen:2023-11-14 11:24:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:v5AFnSizWUGJsLzldFXNgTSBQ8S9F9Age7lZ3n+PcP7r9r/+pppppppppppppppX:RqSi7dXmOB09HAtv3+U1q
TLSH T10905DF82E944A6A0ED199B75A636CC3553237DBDA874E42C28DE3D673FFB3931021067
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
307
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
COSCO DN 5874 COSCO DN 5977 COSCO DN 6268.exe
Verdict:
Malicious activity
Analysis date:
2023-11-14 09:19:28 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/5c306e92-3d38-42a1-ae6e-524697330941

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/458463/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.710.25603.5639.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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:
overlay packed
Link:
https://www.filescan.io/uploads/65533b108dacd6e41c324671/reports/a06c3046-fc90-45f4-bcf4-d63633ed3902/overview
Verdict:
Malicious
Labled as:
Ransom.CryptoJoker.Generic
Link:
https://www.hybrid-analysis.com/sample/e5a39d95388a1324e37c31b9bc6a527941dd0c0736a0971ead7ec611474d2eb7
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/ec778096-2ed7-4822-8a74-1bd10e4a80ec
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1342191
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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: 1342191 Sample: COSCO_DN_5874_COSCO_DN_5977... Startdate: 14/11/2023 Architecture: WINDOWS Score: 100 40 mail.bezzleauto.com 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 8 COSCO_DN_5874_COSCO_DN_5977_COSCO_DN_6268.exe 7 2->8         started        12 vDZzeCUduADg.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\vDZzeCUduADg.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp4353.tmp, XML 8->38 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 8->52 54 Writes to foreign memory regions 8->54 56 Allocates memory in foreign processes 8->56 58 Adds a directory exclusion to Windows Defender 8->58 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        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 64 Injects a PE file into a foreign processes 12->64 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 42 mail.bezzleauto.com 45.151.123.240, 25, 49713, 49716 STUMPNERNETDE Germany 14->42 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->68 70 Tries to steal Mail credentials (via file / registry access) 14->70 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        72 Tries to harvest and steal browser information (history, passwords, etc) 24->72 34 conhost.exe 26->34         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e5a39d95388a1324e37c31b9bc6a527941dd0c0736a0971ead7ec611474d2eb7/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-11-14 03:14:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
51
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4wrz3fjyrijsjy34gg43y2sspfa52dahg2qjohvnp3dbcr2nf23q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
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/231114-k82sasah42/
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:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/f5102558-5e86-4f6b-961b-72184c3aaa23/
SH256 hash:
fced22b9297b650d1de7971e6b8b7cc806540ecd780103c367bdd0e5af3b16fd
MD5 hash:
f66be4a135598aa280be66182272ba8d
SHA1 hash:
c8d48fa8952f12468395e036731b342a7c47a8ad
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
Link:
https://www.unpac.me/results/f5102558-5e86-4f6b-961b-72184c3aaa23/
Parent samples :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 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
Link:
https://www.unpac.me/results/f5102558-5e86-4f6b-961b-72184c3aaa23/
SH256 hash:
d9b9eb0891469c4343568bbf07bb0426b8a365c17d2a53e3f77b166d2e860a6d
MD5 hash:
4e47486872e77ae902f4b079096bf942
SHA1 hash:
8d4e5da0796c25843b6e78181f5b259a00bca36e
Link:
https://www.unpac.me/results/f5102558-5e86-4f6b-961b-72184c3aaa23/
SH256 hash:
e5a39d95388a1324e37c31b9bc6a527941dd0c0736a0971ead7ec611474d2eb7
MD5 hash:
90de6be2a577363b08fcbf891cc65068
SHA1 hash:
666e611bd3278c3a36fa423242dca61197f109e5
Link:
https://www.unpac.me/results/f5102558-5e86-4f6b-961b-72184c3aaa23/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e5a39d95388a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/e5a39d95388a1324e37c31b9bc6a527941dd0c0736a0971ead7ec611474d2eb7

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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

7z 99d376b4afcda6983c0030431b264aaedcfc09d7b805fe0d3c372175695da8a8

AgentTesla

Executable exe e5a39d95388a1324e37c31b9bc6a527941dd0c0736a0971ead7ec611474d2eb7

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 99d376b4afcda6983c0030431b264aaedcfc09d7b805fe0d3c372175695da8a8
Cape
Cape
https://www.capesandbox.com/analysis/458463/
  
Dropped by
MD5 93adaebacfd4300695efb1e39682d094

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