MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50937a47b36ea1eab82997b699b4472184aaf53941695b0bdc6d2fb3f78ca0bf. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50937a47b36ea1eab82997b699b4472184aaf53941695b0bdc6d2fb3f78ca0bf
SHA3-384 hash: ac07edf2d45f0a6c876f589f02e78e89b3a84901cfb01981e14f95d8407e6d469f36812bec8616af1e117692a64e0dbd
SHA1 hash: 647d02e21a9c8d989abba0516923ed879d676301
MD5 hash: 46d8847c153e09c09ebc5566798d8b66
humanhash: item-xray-nevada-floor
File name:SIGNED AND STAMPED INVOICE.rar.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:529'408 bytes
First seen:2020-06-10 15:16:11 UTC
Last seen:2020-06-10 18:00:05 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 12288:/XiUBtLg5HcKZnKcqdL8v930DzMgs/Osuy+SZBww+RMT3OSMJHHEh:PrBBg3xqdXDgB/Osuy5
Threatray 10'593 similar samples on MalwareBazaar
TLSH 7EB49D9C762172EFC857D072DEA92CB4EB5174BB931B4203902765AEDA4C89BCF144F2
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
6
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WFL.335.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-10 15:18:09 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kcjxur5tn2q6vobjs63jtnchegckv5jzifuvwc64nux3h54muc7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
008d79b95dd17c51b103bf87aabf1e5a3ecff06c2ff26a5b5bce23ac1e0dda9c
AgentTesla
0c3d30c2124ea46970d7f9c03b2fc23b1deb32328fe396ecae9d21655d27a8d1
AgentTesla
1fa1363c857cc46f603a4eff38b86058b80ecca1f554c65e943f94725b5c2570
AgentTesla
2956ff2a2dfc07ae7b96a45244d06162a03759c40120ab764c29e25a833d26c0
AgentTesla
298deaffb21c130c1140653b62b17bb5987f3c623507616f11957710e93ec51f
AgentTesla
4625689b86b6899465896135d652868b259732b5a82b0645959384c66a35428a
AgentTesla
4f28a365c4ec5dac4cb9d752b512f4616b932076838d5370297d28234c1bd69e
AgentTesla
6a812ee04fdb54b0576e2e51bb705d2a7f2d14f86601f718385087310a3df257
AgentTesla
9edf6d5c0fb37d58053e7b45411d16cc1c63d806d139139e06bc8a2dab4626d8
AgentTesla
d7143a0fe03e7294be0319e92f0a78bcbe8a0e97a4a2437e5227304e0fe37d29
AgentTesla
+ 10'583 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-8dz4c2l42j/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
ServiceHost packer
rezer0
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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

rar e1f5bd3b93df2ba55e3bf7943789c927a09381241b1e893469fa0fc26365941a

AgentTesla

Executable exe 50937a47b36ea1eab82997b699b4472184aaf53941695b0bdc6d2fb3f78ca0bf

(this sample)

  
Dropped by
MD5 c648a6169dab6b23dcb46879824104b5
  
Dropped by
SHA256 e1f5bd3b93df2ba55e3bf7943789c927a09381241b1e893469fa0fc26365941a
  
Delivery method
Distributed via e-mail attachment

Comments