MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25a846abad50a711c8b05b24bf27319b67e300203960c9d5a07359ad81cca41b. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25a846abad50a711c8b05b24bf27319b67e300203960c9d5a07359ad81cca41b
SHA3-384 hash: a6454f11a6141734576f85eb297037c4caa8280e38fbe10178461cd83d78e7feeadc77bdc29c8142a574787e6f11f708
SHA1 hash: 6977357268e815c316bbce759f7fa67aae62a87f
MD5 hash: 319611fbb3d661217f677ddf28d483cf
humanhash: comet-double-triple-stream
File name:ggfFl4gDvYu4UeR.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:703'488 bytes
First seen:2020-07-24 04:54:06 UTC
Last seen:2020-07-25 06:26:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:p8QuHFtZbxM2OFwrwNYMWK+nO+UKxDHPxbXo4CcMvrRR9ixlW6fNfSO:WQuXgjFscX7P+UKdHpbXaVRoWMNfP
Threatray 2'034 similar samples on MalwareBazaar
TLSH D1E4C006CBFC65EAE36A037DE0A5041997B6951613C6E3591BC3F0AE6CA3750CB13E4B
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
4
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/31996/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.398.17381.11991.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
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
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/396868
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 250613 Sample: ggfFl4gDvYu4UeR.exe Startdate: 24/07/2020 Architecture: WINDOWS Score: 100 80 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->80 82 Found malware configuration 2->82 84 Multi AV Scanner detection for dropped file 2->84 86 6 other signatures 2->86 9 ggfFl4gDvYu4UeR.exe 5 2->9         started        13 OVDeV.exe 1 2->13         started        15 OVDeV.exe 2->15         started        process3 file4 60 C:\Users\user\AppData\...\IKADoCKXRUu.exe, PE32 9->60 dropped 62 C:\Users\...\IKADoCKXRUu.exe:Zone.Identifier, ASCII 9->62 dropped 64 C:\Users\user\AppData\Local\Temp\tmpB1A.tmp, XML 9->64 dropped 66 C:\Users\user\...\ggfFl4gDvYu4UeR.exe.log, ASCII 9->66 dropped 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->90 92 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->92 17 ggfFl4gDvYu4UeR.exe 4 9->17         started        21 schtasks.exe 1 9->21         started        23 ggfFl4gDvYu4UeR.exe 9->23         started        94 Multi AV Scanner detection for dropped file 13->94 96 Machine Learning detection for dropped file 13->96 25 OVDeV.exe 13->25         started        98 Injects a PE file into a foreign processes 15->98 27 OVDeV.exe 15->27         started        signatures5 process6 file7 56 C:\Users\user\AppData\Roaming\YquSJH.exe, PE32 17->56 dropped 58 C:\Users\user\...\YquSJH.exe:Zone.Identifier, ASCII 17->58 dropped 88 Injects a PE file into a foreign processes 17->88 29 ggfFl4gDvYu4UeR.exe 2 5 17->29         started        34 schtasks.exe 1 17->34         started        36 conhost.exe 21->36         started        38 OVDeV.exe 25->38         started        40 OVDeV.exe 27->40         started        42 OVDeV.exe 27->42         started        44 OVDeV.exe 27->44         started        signatures8 process9 dnsIp10 74 cpanel-02.wlink.com.np 202.166.193.69, 49736, 49738, 587 WLINK-NEPAL-AS-APWorldLinkCommunicationsPvtLtdNP Nepal 29->74 76 mail.blc.com.np 29->76 68 C:\Users\user\AppData\Roaming\...\OVDeV.exe, PE32 29->68 dropped 70 C:\Windows\System32\drivers\etc\hosts, ASCII 29->70 dropped 72 C:\Users\user\...\OVDeV.exe:Zone.Identifier, ASCII 29->72 dropped 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->100 102 Tries to steal Mail credentials (via file access) 29->102 104 Modifies the hosts file 29->104 46 reg.exe 29->46         started        48 conhost.exe 34->48         started        78 mail.blc.com.np 38->78 106 Tries to harvest and steal ftp login credentials 38->106 108 Tries to harvest and steal browser information (history, passwords, etc) 38->108 110 Hides that the sample has been downloaded from the Internet (zone.identifier) 38->110 50 reg.exe 38->50         started        file11 signatures12 process13 process14 52 conhost.exe 46->52         started        54 conhost.exe 50->54         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/25a846abad50a711c8b05b24bf27319b67e300203960c9d5a07359ad81cca41b/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-23 10:15:02 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewuenk5nkctrdsfqlmsl6jzrtnt6gabahfqmtvnaonm23aomuqnq._file
Verdict:
malicious
Similar samples:
1babda8db79c5d785a60d3d2bd721a9cbcab037420c47bcb2bfbfdaad5797124
AgentTesla
3c590cbd7c12078f94c3247075d5b234b8ad4ddbd511686f8da5e23882f85aee
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464e2cdc647f312a60d4431fa0d4658a27916bb5fd3fc92986a4d5a03b8039dc
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b011d9fb5b07d8346bf6abb167816f4df166897a2f333111f0c01af2de1c6579
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b2bcd8d3a82d86459384063b335f5be3c9615de574c4e2bc1ca6963eb1c9b721
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c9cafe28ca1a718f8538408c38bbdb87e4988ff11f4a450187388266007f1724
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ce026bee1dbbb52c3350d99531f92ee2cfb8426d79170b839d79e74b99a35e96
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e3342e277b3c163d0f6607ba9e6a93300e5e6983e19d77540d221aa1ef4439a5
AgentTesla
+ 2'024 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200724-e9fnappxpe/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies registry key
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Drops file in Drivers directory
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/25a846abad50a711c8b05b24bf27319b67e300203960c9d5a07359ad81cca41b

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

7z 68056b171d03602feacfc8b2173ab05a1e4c1c9148e9e9c4b876a5dcc0169876

AgentTesla

Executable exe 25a846abad50a711c8b05b24bf27319b67e300203960c9d5a07359ad81cca41b

(this sample)

  
Dropped by
MD5 e1ed310a65f675104f6857d9212899de
  
Dropped by
SHA256 68056b171d03602feacfc8b2173ab05a1e4c1c9148e9e9c4b876a5dcc0169876
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/31996/

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