MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1dc5a420f5f2b1fde70c54cf70d22af94b7fbea0206e9f0c9a20d70ea4660975. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1dc5a420f5f2b1fde70c54cf70d22af94b7fbea0206e9f0c9a20d70ea4660975
SHA3-384 hash: 47c99810f7420e3cf38051ea1f04f0b252ad93ddbcf5086ded1df9bc7e944ce41efe8077c50839fae488911b871cc29a
SHA1 hash: 5ae4a9a47b735329695592aad58b8b95ca846c88
MD5 hash: 6ccb26ef552a1c49f6003dad2d7afd32
humanhash: blossom-alabama-winter-texas
File name:PO_DEA657-ARFT-HD51012.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:701'952 bytes
First seen:2021-08-30 07:20:38 UTC
Last seen:2021-08-30 08:23:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:43WOnH8Q1ZdICKVsJh1jIlbNsFTYrDnvKzeJncq5gYhZrWGFKvcPH:mW6H8QTdICcl69YvyeJzhZrl0cP
Threatray 9'129 similar samples on MalwareBazaar
TLSH T1EAE4FA7F19BDA2279175C6F58BE38827F0108B6F3110696476D347264322A7AB4F336E
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_DEA657-ARFT-HD51012.exe
Verdict:
Malicious activity
Analysis date:
2021-08-30 07:44:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0c87ee37-a2ef-4a3d-b23c-8c7edfcce7d1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/183630/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.16060.5752.22549.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/73df09c4-e69b-4ab9-bd4a-02a029b74251
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/841342
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 473774 Sample: PO_DEA657-ARFT-HD51012.exe Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 28 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->28 30 Found malware configuration 2->30 32 Multi AV Scanner detection for dropped file 2->32 34 8 other signatures 2->34 7 PO_DEA657-ARFT-HD51012.exe 7 2->7         started        process3 file4 22 C:\Users\user\AppData\...\WJDykjTUGayQ.exe, PE32 7->22 dropped 24 C:\Users\user\AppData\Local\...\tmp137C.tmp, XML 7->24 dropped 26 C:\Users\...\PO_DEA657-ARFT-HD51012.exe.log, ASCII 7->26 dropped 36 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->36 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->40 42 3 other signatures 7->42 11 PO_DEA657-ARFT-HD51012.exe 2 7->11         started        14 powershell.exe 24 7->14         started        16 schtasks.exe 1 7->16         started        signatures5 process6 signatures7 44 Moves itself to temp directory 11->44 46 Tries to harvest and steal ftp login credentials 11->46 48 Tries to harvest and steal browser information (history, passwords, etc) 11->48 18 conhost.exe 14->18         started        20 conhost.exe 16->20         started        process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1dc5a420f5f2b1fde70c54cf70d22af94b7fbea0206e9f0c9a20d70ea4660975/
Threat name:
Win32.Backdoor.Blakken
Create hunting rule
Status:
Malicious
First seen:
2021-08-30 05:01:37 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dxc2iihv6ky73zymkthxburk7ffx7pvaebxj6de2edlq5jdgbf2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2c871304d7cf89be426d8e55c09d7139aa127c755e304551b30bf3df9fad4943
AgentTesla
7c5244658642c7dd2e49903d6332a2e732ed8df98c498776bb3015814b9556b8
AgentTesla
bb1eb1ec38360dbdd93d45378001cdb85eb851e4cf07ed319fdc05cfbdfe4385
AgentTesla
c052e01ae221afc96980201ad33ce3a0397d718b8e14383c5d1cd13b8ab02fcd
AgentTesla
c8e7193944ede931e488cd5e85554447e4da772455bad4a8e8b40840d9a5f8e9
AgentTesla
d6fa87fb59dbf4de1d1d0af1062a41e6a9620b682ecdfc0eb91856e28b9ea1de
AgentTesla
dd3043c34b9286feda7953ce32d1fc69a9ada679c579c057d43d7cfed9e431a6
AgentTesla
f7731deddf1e7d0d5f60c32cd75d7dc3b3a7cac693ff9b69a7a8504236389a08
AgentTesla
fc483995ac196b19987d2e7e6566b3659e6c4409d8ce7c0b446383e97a26b8ef
AgentTesla
ff553a5adb8e06cef6561fbd1b28fd263d4c0012c894c66f328ea8ff5e915421
AgentTesla
+ 9'119 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210830-qdvanm8q2x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/e41fdf96-bf94-4d1d-b9f4-0785df30d99f/
SH256 hash:
d5296391c260fdac2592e9296755a6f85d0270ab91dbc8a9bea7e04beaf79dd9
MD5 hash:
f3e387d7c09c53c9f14200e88e35dda6
SHA1 hash:
70071b421b076e213a02539c5fd8e7e74520a027
Link:
https://www.unpac.me/results/e41fdf96-bf94-4d1d-b9f4-0785df30d99f/
SH256 hash:
b8061345b082de8ee7da6797deb556c670d7c879e5e4c0b3945f859c0c1a7738
MD5 hash:
7846fde01a5ca576ef3b29ff90424bb8
SHA1 hash:
6dc123fc1a439096a108b70e682f8b4106e1648f
Link:
https://www.unpac.me/results/e41fdf96-bf94-4d1d-b9f4-0785df30d99f/
SH256 hash:
1dc5a420f5f2b1fde70c54cf70d22af94b7fbea0206e9f0c9a20d70ea4660975
MD5 hash:
6ccb26ef552a1c49f6003dad2d7afd32
SHA1 hash:
5ae4a9a47b735329695592aad58b8b95ca846c88
Link:
https://www.unpac.me/results/e41fdf96-bf94-4d1d-b9f4-0785df30d99f/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1dc5a420f5f2/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/1dc5a420f5f2b1fde70c54cf70d22af94b7fbea0206e9f0c9a20d70ea4660975

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 1dc5a420f5f2b1fde70c54cf70d22af94b7fbea0206e9f0c9a20d70ea4660975

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/183630/

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