MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2d372f1da7e83bb0c459b20652ddbf53b29fac71581bb5c87af33ac497b26a5. 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


RedLineStealer


Vendor detections: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2d372f1da7e83bb0c459b20652ddbf53b29fac71581bb5c87af33ac497b26a5
SHA3-384 hash: b684a23463d11031f8486e6d1b1d605f3b23d770a2e7b6ccfcf2b5933c58e7b752e9bf07c94a17a441287588587ad9b3
SHA1 hash: 76ea838ee5784caa732e40e17bf549d04696cdd9
MD5 hash: 3961cd81f823a73454ec79b6cfc3f48b
humanhash: low-mountain-helium-apart
File name:purestub.exe
Download: download sample
Signature RedLineStealer
Create hunting rule
File size:550'552 bytes
First seen:2021-07-15 10:53:39 UTC
Last seen:2021-07-15 11:36:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:2UUfR3J0VHrVhDS2Wv94GdMJa9/ljZIwotUSityjKR:NU5mVHrHS2Wya1XYUdHR
Threatray 211 similar samples on MalwareBazaar
TLSH T1D6C4AE823145DCDAE4432DF258AFD56060787D9E8165CA0E3743BB2B95E734330ABB9E
Reporter lowmal3
Tags:AgentTesla exe RedLineStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
purestub.exe
Verdict:
Malicious activity
Analysis date:
2021-07-15 10:55:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/61034a6a-de19-4b03-bc65-b153f4a1c072

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/171960/
Detection(s):
SecuriteInfo.com.W32.MSIL_Troj.AZF.genEldorado.21788.11793.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/4813a1a7-9e76-49b2-83c4-a3e83ddfe5f6
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/816836
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 449247 Sample: purestub.exe Startdate: 15/07/2021 Architecture: WINDOWS Score: 76 36 www.yahoo.com 2->36 38 new-fp-shed.wg1.b.yahoo.com 2->38 40 bsh.ddnsking.com 2->40 56 Multi AV Scanner detection for dropped file 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 .NET source code contains potential unpacker 2->60 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->62 8 purestub.exe 1 8 2->8         started        signatures3 process4 file5 28 C:\Users\user\AppData\Roaming\...\adobe.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\Local\...\purestub.exe, PE32 8->30 dropped 32 C:\Users\...\purestub.exe:Zone.Identifier, ASCII 8->32 dropped 34 C:\Users\user\AppData\...\purestub.exe.log, ASCII 8->34 dropped 64 Creates an undocumented autostart registry key 8->64 66 Writes to foreign memory regions 8->66 68 Injects a PE file into a foreign processes 8->68 12 purestub.exe 2 8->12         started        16 powershell.exe 16 8->16         started        18 powershell.exe 19 8->18         started        20 powershell.exe 19 8->20         started        signatures6 process7 dnsIp8 42 bsh.ddnsking.com 194.5.98.63, 2404, 49746, 49747 DANILENKODE Netherlands 12->42 70 Multi AV Scanner detection for dropped file 12->70 44 www.yahoo.com 16->44 46 new-fp-shed.wg1.b.yahoo.com 16->46 22 conhost.exe 16->22         started        48 www.yahoo.com 18->48 50 new-fp-shed.wg1.b.yahoo.com 18->50 24 conhost.exe 18->24         started        52 www.yahoo.com 20->52 54 new-fp-shed.wg1.b.yahoo.com 20->54 26 conhost.exe 20->26         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2d372f1da7e83bb0c459b20652ddbf53b29fac71581bb5c87af33ac497b26a5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-15 07:37:26 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wljxf4o2p2b3wdcftmqgklo36u5st6whcwa3wxehv4z2ysl3e2sq._file
Verdict:
unknown
Similar samples:
19f17d84c67985de677ea0f746955f709106d8833311d3b8c9b67491d0498ff0
RedLineStealer
3ba615a4d99b560c58bed9e63c8ecd2c20dbc71560ec1fe51ca2b78a6b8309e6
RedLineStealer
546b14e45dad5ac436d7c928dc8e325082eacf2bd329a6f21648f37a37fe507d
RedLineStealer
691c75376ade3956492197d79853cab8eb38dca6dc2a7c2be3d4f28f445a3d2b
RedLineStealer
8d66edd777191f1972fee3bbd11950bca3af608a2e3f3392c4c778a1ab991ec3
RedLineStealer
a73f2d92c3d48bad18d6a33530cedee50fb1495030c752d406045c113eeabd0a
RedLineStealer
b78c057366525777ab931d9a4a2962a2df499a6690aae1f3e215097d5adbb458
RedLineStealer
c634652d912ddd573ec0b3650031251a050e7527c1275f052fa4473be8d30584
RedLineStealer
c902ee96e1452a3d04cc4714bc9907a0434ec3d3a6865ef61f4f9fda15ccff26
RedLineStealer
+ 201 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/210715-n3nvqty5rx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
fbf68481ea11a48e2c23e23b884746a37e55ffc1804bdfa106b9ca263d54b88d
MD5 hash:
54ecb00b186aa7babf3890ba70486962
SHA1 hash:
7b9302dcf92ba855b85a45e9b56de2d2439c27da
Link:
https://www.unpac.me/results/67b544a7-4aaf-499a-b1f7-58ccef2634ed/
SH256 hash:
d3299196b5a1d37b0fd2bd2a312e89c3b2ba8a0fee1d088c3f0c6aab71d0da4b
MD5 hash:
0a48725ccbccd1a816f98fc345ea04a6
SHA1 hash:
3cd3747746e536cc50c51567ba2a7500929185d4
Link:
https://www.unpac.me/results/67b544a7-4aaf-499a-b1f7-58ccef2634ed/
SH256 hash:
b2d372f1da7e83bb0c459b20652ddbf53b29fac71581bb5c87af33ac497b26a5
MD5 hash:
3961cd81f823a73454ec79b6cfc3f48b
SHA1 hash:
76ea838ee5784caa732e40e17bf549d04696cdd9
Link:
https://www.unpac.me/results/67b544a7-4aaf-499a-b1f7-58ccef2634ed/
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/b2d372f1da7e83bb0c459b20652ddbf53b29fac71581bb5c87af33ac497b26a5

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:INDICATOR_KB_CERT_731d40ae3f3a1fb2bc3d8395
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificate
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

RedLineStealer

Executable exe b2d372f1da7e83bb0c459b20652ddbf53b29fac71581bb5c87af33ac497b26a5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/171960/

Comments