MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c21b4eb23258262e9effc08936edf4422c2c5a1affb42985a80409654c7d07b0. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c21b4eb23258262e9effc08936edf4422c2c5a1affb42985a80409654c7d07b0
SHA3-384 hash: 11878dc552110a42e15f4f88c18d4cf4c05eade2105accf79317fa3dc6372c8e00df6b14494c4c325080ee2010648b81
SHA1 hash: 3f7e76bedd0d44a913793a1e70dae3d9e782f211
MD5 hash: 98603949f815efdfd979a49b6429f833
humanhash: five-finch-oregon-fish
File name:SOA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'001'984 bytes
First seen:2022-12-01 14:30:09 UTC
Last seen:2022-12-01 16:32:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:/MH5lP8dmZWHeURvTW6GjJQ5B8pnzTOcO:kH5lgeURiJDZvz
Threatray 20'242 similar samples on MalwareBazaar
TLSH T1BD25BEE613955D93D9497D7F4E8CB88E22AE15F3CFFE90C51E18B88106B66698E00FC1
TrID 59.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.6% (.SCR) Windows screen saver (13097/50/3)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SOA.exe
Verdict:
Malicious activity
Analysis date:
2022-12-01 14:31:11 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/900c4b8d-f825-4393-b3b5-e8b570d33480

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.25040.14100.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6388baa653133aaaf83c1c09/reports/5670d1e4-3c2b-436b-ad45-98f7dc40ae40/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2f8ab9d0-b7e7-4040-a6c4-200b572a1d87
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1125461
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
Sigma detected: Scheduled temp file as task from temp location
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 758184 Sample: SOA.exe Startdate: 01/12/2022 Architecture: WINDOWS Score: 100 47 mail.biateknos.com 2->47 49 biateknos.com 2->49 51 2 other IPs or domains 2->51 63 Malicious sample detected (through community Yara rule) 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 9 other signatures 2->69 8 SOA.exe 6 2->8         started        12 DnDcR.exe 5 2->12         started        14 vJhKYOTGXvYQr.exe 2 2->14         started        16 DnDcR.exe 4 2->16         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\vJhKYOTGXvYQr.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmp6063.tmp, XML 8->43 dropped 45 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 8->45 dropped 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->79 81 May check the online IP address of the machine 8->81 83 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->83 85 Uses schtasks.exe or at.exe to add and modify task schedules 8->85 18 SOA.exe 17 5 8->18         started        23 schtasks.exe 1 8->23         started        87 Machine Learning detection for dropped file 12->87 89 Injects a PE file into a foreign processes 12->89 25 DnDcR.exe 12->25         started        27 schtasks.exe 12->27         started        29 schtasks.exe 16->29         started        signatures6 process7 dnsIp8 53 mail.biateknos.com 18->53 55 biateknos.com 203.175.9.97, 49701, 49705, 587 FCCDCI-NET-PH4FPodiumRCBCPlazaTowerIPH Indonesia 18->55 61 4 other IPs or domains 18->61 37 C:\Users\user\AppData\Roaming\...\DnDcR.exe, PE32 18->37 dropped 39 C:\Users\user\...\DnDcR.exe:Zone.Identifier, ASCII 18->39 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->71 73 Tries to steal Mail credentials (via file / registry access) 18->73 75 Tries to harvest and steal ftp login credentials 18->75 77 3 other signatures 18->77 31 conhost.exe 23->31         started        57 3.232.242.170, 443, 49704, 49706 AMAZON-AESUS United States 25->57 59 api.ipify.org 25->59 33 conhost.exe 27->33         started        35 conhost.exe 29->35         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c21b4eb23258262e9effc08936edf4422c2c5a1affb42985a80409654c7d07b0/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-12-01 02:18:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yinu5mrslatc5hx7ycetn3puiiwcywq2762ctbniaqewktd5a6ya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
33a39c038e941e77bb0129b765cc7ed91a4126a8bafb435149ef4912afb62a18
AgentTesla
740b8d98eca229f6873a327b046f509c7228ae9e7cf2acabfc43aa5c0e0d5d9d
AgentTesla
b8a09ea82f8b7fddae5914b0a4623be25143bee510b2f4b32c5fdb75e50ed2dd
AgentTesla
e363a49ef8094fe28a09ef4f2fbb3c747eeda2b564d3946aa0c75f17dc7c586e
AgentTesla
ebb86221b5c4336e8155321c3ef818e39e38c981227b768433d107ba6aa3bd69
AgentTesla
+ 20'232 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/221201-rvqw7sbg5v/
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
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0c08d3af-dbd1-4cc1-a17f-d99a15418744
Unpacked files
SH256 hash:
fe561d4461f392e4f3fdd30cf4589d2e0353da6cbcede635279864d4fceb5be2
MD5 hash:
b194728fb41218cf72388cd3fe8b317e
SHA1 hash:
914b83a2ecedc7d4db1db618babc38858370b7dd
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/9de36307-0913-4b7f-b5dc-f9a74c4183cf/
Parent samples :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 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/9de36307-0913-4b7f-b5dc-f9a74c4183cf/
SH256 hash:
08311e2a9ae2956c8d2f0956f9e4f7549bdbba3236e2661bfab6feb1bfca2884
MD5 hash:
625403d3cb88f6d8db507b7099f883a0
SHA1 hash:
1c197299c6a761584921dd290b3ed3ec07c2795b
Link:
https://www.unpac.me/results/9de36307-0913-4b7f-b5dc-f9a74c4183cf/
SH256 hash:
c21b4eb23258262e9effc08936edf4422c2c5a1affb42985a80409654c7d07b0
MD5 hash:
98603949f815efdfd979a49b6429f833
SHA1 hash:
3f7e76bedd0d44a913793a1e70dae3d9e782f211
Link:
https://www.unpac.me/results/9de36307-0913-4b7f-b5dc-f9a74c4183cf/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c21b4eb23258/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/c21b4eb23258262e9effc08936edf4422c2c5a1affb42985a80409654c7d07b0

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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/341161/

Comments