MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63e6198cee195250e7ef3aedecfacdfeb6fdbce9e4f3fd9c1260ef67075819a3. 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: 63e6198cee195250e7ef3aedecfacdfeb6fdbce9e4f3fd9c1260ef67075819a3
SHA3-384 hash: 35cc1f12b622a1113297f4fb32de5e775ab8a7e0acfef705a7aa596fa05810a10b4c5abe856a0ef0d8270b769afd629d
SHA1 hash: 6d630ca20b831dfa6db2b33ea1f0a256a1d13e60
MD5 hash: 08a652c3adb52cc860c1b35dc2838f23
humanhash: uncle-wyoming-item-carbon
File name:required.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'065'472 bytes
First seen:2021-09-14 15:18:16 UTC
Last seen:2021-09-15 06:52:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:pl2QiWZ/q5j9Q88YsBWMIHmJKe7eAeN8JLYmCC9jB:plWTQWTMxJJ73u
Threatray 9'835 similar samples on MalwareBazaar
TLSH T1E035DC38ED0B21B7EBAAD334E4BA590AA5F414BB33349D5EC192774D090760374DA3AD
dhash icon e0a8b2a496f83e80 (9 x AgentTesla, 1 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
required.exe
Verdict:
Malicious activity
Analysis date:
2021-09-14 15:23:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5cea1263-4597-4693-90e6-33a4e87e47c6

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/187852/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1026.17154.19262.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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 system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/61751059db358dd15ed92293/reports/1d442f78-621f-490e-98f2-2b0d46ac0210/overview
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8a556041-219a-416d-b091-8ea3c78a20b9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/850794
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Sample uses process hollowing technique
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 483225 Sample: required.exe Startdate: 14/09/2021 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 7 required.exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 31 C:\Users\user\AppData\...\PkrqkOSPOWZhCz.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp4465.tmp, XML 7->33 dropped 35 C:\Users\user\AppData\...\required.exe.log, ASCII 7->35 dropped 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Writes to foreign memory regions 7->59 61 Sample uses process hollowing technique 7->61 63 Injects a PE file into a foreign processes 7->63 15 RegSvcs.exe 2 4 7->15         started        19 RegSvcs.exe 7->19         started        21 schtasks.exe 1 7->21         started        27 2 other processes 7->27 23 conhost.exe 11->23         started        25 conhost.exe 13->25         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 15->39 dropped 41 Modifies the hosts file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->47 29 conhost.exe 21->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/63e6198cee195250e7ef3aedecfacdfeb6fdbce9e4f3fd9c1260ef67075819a3/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-09-14 02:15:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mptbtdhodfjfbz7phlw6z6wn723p3phj4tz73hasmdxwob2ydgrq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
003ecbee9386ab26c2d614ab61f60b13cf32c1551aa9efc0f6bd455421327fe4
AgentTesla
1db4fe5caaef2c6989032955ac7fe51d1b62684c5a3f34f0c58510e100637a28
AgentTesla
35b8e3ac887b7a542ac7b636ea576aef98d242f78acbecb5a8378abd07d1e52c
AgentTesla
6488830ea72cbcf3cb394e786d5102c8a6cfb5025c40e63fc537e323322f9a4c
AgentTesla
6d06a6290083753c78fa7a41c9f18fc10f67fd0dafd891eaf452765c8c43806e
AgentTesla
7a517cc470024b2760e07a9eade9ece2df25c7ce06c9a08461bca975eee4f342
AgentTesla
+ 9'825 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/210914-sp6k5sfhf3/
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:
8991f4308e9e08cd74d8ba0bc4d963fc951ca1d9455186a9ea86e2d5c9beddd4
MD5 hash:
cf526899a546076350625009e7271177
SHA1 hash:
a36d5dbd7af6cbe8cf47db65ce7f56f5bd86c84d
Link:
https://www.unpac.me/results/6fb13de6-4010-457d-ab6d-d99e223dcec5/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/6fb13de6-4010-457d-ab6d-d99e223dcec5/
SH256 hash:
668dcab1957bc87f72a9c025c875c4886c7442ca5b05b17ef4f5d905b35d0a8f
MD5 hash:
eb850ecbf22c3120a2fa11a5fb91bfce
SHA1 hash:
0454dab6b454ff2f45cd2b3dbd666807654a999b
Link:
https://www.unpac.me/results/6fb13de6-4010-457d-ab6d-d99e223dcec5/
SH256 hash:
63e6198cee195250e7ef3aedecfacdfeb6fdbce9e4f3fd9c1260ef67075819a3
MD5 hash:
08a652c3adb52cc860c1b35dc2838f23
SHA1 hash:
6d630ca20b831dfa6db2b33ea1f0a256a1d13e60
Link:
https://www.unpac.me/results/6fb13de6-4010-457d-ab6d-d99e223dcec5/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/63e6198cee19/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/63e6198cee195250e7ef3aedecfacdfeb6fdbce9e4f3fd9c1260ef67075819a3

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 63e6198cee195250e7ef3aedecfacdfeb6fdbce9e4f3fd9c1260ef67075819a3

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/187852/

Comments