MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71e6c949b0e259018b39ad513305c9197afe74c9d68119db8e6e545c74ceedcb. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71e6c949b0e259018b39ad513305c9197afe74c9d68119db8e6e545c74ceedcb
SHA3-384 hash: 5df998b36fd22f599ccaf3802d8825e7e48511a5b4c69632be26163f22eaec033ef1e719ea7fffcd4e83bc40625e4e79
SHA1 hash: 69e53724804535362ee687bfa37059f965eb7931
MD5 hash: 1f78302367062565a269db810ef754c2
humanhash: butter-oscar-paris-lactose
File name:Purchase Order copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'432'576 bytes
First seen:2021-04-23 10:20:58 UTC
Last seen:2021-04-23 13:06:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:gZbiKEMMT0B+0ZC1EqZOFqvtAtT7AohUwmyw93smncnct64Ad++++4+++++++0+7:gZbiKqTL081EmOFqypcohUdp93smcnC4
Threatray 4'676 similar samples on MalwareBazaar
TLSH 77658C99315072DEC867C9729E68AC70AB123CB6530BD213A0933DDFBA0D697CE154F2
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order copy.exe
Verdict:
Malicious activity
Analysis date:
2021-04-23 10:26:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bba0b1da-0455-4cb7-826a-9e6ea065fdeb

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/143835/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.678.29781.4144.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/695020
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
Sigma detected: Scheduled temp file as task from temp location
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
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 396435 Sample: Purchase Order copy.exe Startdate: 23/04/2021 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 10 other signatures 2->60 7 Purchase Order copy.exe 6 2->7         started        11 ppptOL.exe 2 2->11         started        13 ppptOL.exe 1 2->13         started        process3 file4 34 C:\Users\user\AppData\Roaming\xCNwWX.exe, PE32 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmpA5F4.tmp, XML 7->36 dropped 38 C:\Users\user\...\Purchase Order copy.exe.log, ASCII 7->38 dropped 62 Writes to foreign memory regions 7->62 64 Allocates memory in foreign processes 7->64 66 Injects a PE file into a foreign processes 7->66 15 RegSvcs.exe 2 4 7->15         started        20 RegSvcs.exe 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 40 webmail.mdist.us 192.185.226.148, 49741, 49742, 587 UNIFIEDLAYER-AS-1US United States 15->40 30 C:\Users\user\AppData\Roaming\...\ppptOL.exe, PE32 15->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 15->32 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Tries to steal Mail credentials (via file access) 15->44 46 Tries to harvest and steal ftp login credentials 15->46 52 3 other signatures 15->52 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->50 28 conhost.exe 22->28         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/71e6c949b0e259018b39ad513305c9197afe74c9d68119db8e6e545c74ceedcb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-22 22:52:41 UTC
AV detection:
16 of 47 (34.04%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ohtmssnq4jmqdczzvvitgbojdf5p45gj22artw4onzkfy5go5xfq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
08caa9af8bc3d72fc768962c2319b86c9712a2437e6ca0e7cca8fc1049536def
AgentTesla
3ee4e620dd7cb6d8a6f604e5653a4f5cbf1258032ffc7d13ae9a415c672a5713
AgentTesla
5defd50046db301c82c85cc8306960982f576cbf5446f24062cc570dcf0becec
AgentTesla
69f4101e63fdfdec4a5b6fc4a778619a69f9511416dd90fe9df33502ff8d9d4f
AgentTesla
790b008421852f555794a5e59c91f894993dcac641104ca06087bda8c1b5ea50
AgentTesla
8d10af8f247bb74f1a3d0878785f3afa173c82d4c881f29dd5b60ea6ed5f6b90
AgentTesla
b8b373ce2f5835b617f904b50e5e594232982967ea1a12b35bd085c83aa057bb
AgentTesla
b8e4c54f15ac8fc84223e2460f6201401c960851b4006d61360caa57c34af3ed
AgentTesla
d375f6f780b9623c85714c9fadae46359a8e308bdeaee7e2161a86c0a89c7d06
AgentTesla
f39980b6f513345fde2aad18cb790595c8cb64139cb0aa1686d6c4e7c8b24e2b
AgentTesla
+ 4'666 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210423-2wywfm4xhj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
Link:
https://www.unpac.me/results/e59b2487-df0f-48fc-b591-43bd0abff06c/
SH256 hash:
d529dcbe17c0867c5d1d468135e9f4fc28356829c816feeab8ef00cb2022dce9
MD5 hash:
064754b0c22edeec372ae3e9b5f6a881
SHA1 hash:
e98e9dcae439e4c73b807a777ae89aa56b59e913
Link:
https://www.unpac.me/results/e59b2487-df0f-48fc-b591-43bd0abff06c/
SH256 hash:
9fce51ed7646746f3b2552d1c1fd8006a4bb598471cda13aa11118c56d2a4fc9
MD5 hash:
126c5f9a8ffb923639fc4f10ebee018b
SHA1 hash:
6e445c4917615a0bc5d66eb29aba7aa002863d59
Link:
https://www.unpac.me/results/e59b2487-df0f-48fc-b591-43bd0abff06c/
SH256 hash:
71e6c949b0e259018b39ad513305c9197afe74c9d68119db8e6e545c74ceedcb
MD5 hash:
1f78302367062565a269db810ef754c2
SHA1 hash:
69e53724804535362ee687bfa37059f965eb7931
Link:
https://www.unpac.me/results/e59b2487-df0f-48fc-b591-43bd0abff06c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/71e6c949b0e259018b39ad513305c9197afe74c9d68119db8e6e545c74ceedcb

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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

7z 9fb53efacb972ea3da3460f7985174efc41d3b8e2f4527aecc57c0404bf4e27e

AgentTesla

Executable exe 71e6c949b0e259018b39ad513305c9197afe74c9d68119db8e6e545c74ceedcb

(this sample)

  
Dropped by
MD5 ca2187e6243fb81d0961a7cf0904ecaf
  
Dropped by
SHA256 9fb53efacb972ea3da3460f7985174efc41d3b8e2f4527aecc57c0404bf4e27e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/143835/

Comments