MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1b6ca8644c7908a5ee930558144d794e25a5a6a0bea0637396caa161ea04475. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1b6ca8644c7908a5ee930558144d794e25a5a6a0bea0637396caa161ea04475
SHA3-384 hash: 4504d4d03b7f16019d44fd87c253d0ea66f93dc763ffb63bbd231830cf47b406e92b942ff75b4affe66dda5fc8938183
SHA1 hash: 8f82ea5bdb6e9de01c281642ba2b67028ddd0c6f
MD5 hash: 056627e22924798f3909231a045d44e1
humanhash: seven-glucose-hamper-iowa
File name:INVOICE.PDF.exe
Download: download sample
Signature RedLineStealer
Create hunting rule
File size:843'776 bytes
First seen:2021-10-04 13:15:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:zA6oFu+UcN79a3JqP2b/h9HAOb6I2+Foy:BoFu+5N79UJnh9HBb6I26oy
Threatray 9'896 similar samples on MalwareBazaar
TLSH T15F05C0202354C25AE1FBF738D4729471CB3EFA86A03AD95E6DC398DA0D65341851BF2B
File icon (PE):PE icon
dhash icon a6591878d162e41b (9 x AgentTesla, 7 x Formbook, 2 x SnakeKeylogger)
Reporter lowmal3
Tags:exe RedLineStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE.PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-10-04 13:22:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/09119eee-e5e3-4452-a94b-fb10fa60be9f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/194642/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.26929.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the shell\open\command registry branches
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm obfuscated packed
Link:
https://www.filescan.io/uploads/615c0fe6e3d213d202b76f6f/reports/4a26a1cc-2e37-4f82-8312-f5e5b60fb8c4/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0c033028-0bd3-4120-87cf-6f896a25a796
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/863968
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 496395 Sample: INVOICE.PDF.exe Startdate: 04/10/2021 Architecture: WINDOWS Score: 100 31 www.legend-sa.com 2->31 33 www.douyinliu.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 11 INVOICE.PDF.exe 3 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\INVOICE.PDF.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 INVOICE.PDF.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.ttimecracker.com 173.231.37.14, 49830, 80 WEBNXUS United States 18->35 37 www.bengchina.com 147.255.135.244, 49851, 80 LEASEWEB-USA-LAX-11US United States 18->37 39 5 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Uses ipconfig to lookup or modify the Windows network settings 18->51 22 ipconfig.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a1b6ca8644c7908a5ee930558144d794e25a5a6a0bea0637396caa161ea04475/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-20 01:21:31 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ug3mvbsey6iiuxxjgbkycrgxstrfuwtkbpvamnzznsvbmhvair2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0c22acaa973cbb781aea92dc1fb5a8c7cc1fd2abd403f2a6b9703f8f1e1c8657
RedLineStealer
1771bccdd4c4fdc7d50d97ac10e5b1e0f980a4ff31233c59e9cfa17e9cd36a24
RedLineStealer
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
RedLineStealer
7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
RedLineStealer
84236953e6059c7733ecd777604a225ee85dc96740a46aac1379d13b3d57630d
RedLineStealer
b241d39387ebd04a46935432e7abb733d850aa1bbbd4ca686539821f41772e05
RedLineStealer
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
RedLineStealer
dae6ba220bb0a34de731b57965753391343bfe96f9f3fa4fea48102d3377ccf7
RedLineStealer
+ 9'886 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:h5jc loader rat suricata
Link:
https://tria.ge/reports/211004-qhs1csgdfk/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.legend-sa.com/h5jc/
Unpacked files
SH256 hash:
7d78004ece26aeba066a4c166f9a92528ab551a976017785a2304d057ca51f84
MD5 hash:
d6deb2a5895bed4a13c0b4ab19f0941a
SHA1 hash:
250c80481991fd2040ff1df6ac8bd8d4d9623e04
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/96a685e9-b0be-48c1-bb75-8afb2c6b9d4d/
Parent samples :
a1b6ca8644c7908a5ee930558144d794e25a5a6a0bea0637396caa161ea04475
b241d39387ebd04a46935432e7abb733d850aa1bbbd4ca686539821f41772e05
SH256 hash:
b91cb2214bc8d976620bf9274b187bd426b8014d80f1fd681410c3300551d886
MD5 hash:
eb5e7d979d283fcd886ede12ff883575
SHA1 hash:
e91efda6aa56375a94acda1f94cc37ecf2d958ab
Link:
https://www.unpac.me/results/96a685e9-b0be-48c1-bb75-8afb2c6b9d4d/
SH256 hash:
45104aaecd3c0258a5f85fba147bce135f99e8dcd23ebd498e343121f0f52302
MD5 hash:
9a7de12e93782a7e83d4fe07c93fcbef
SHA1 hash:
c88bf38a1ede602ff77f59354e29e320f63df23b
Link:
https://www.unpac.me/results/96a685e9-b0be-48c1-bb75-8afb2c6b9d4d/
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
Link:
https://www.unpac.me/results/96a685e9-b0be-48c1-bb75-8afb2c6b9d4d/
SH256 hash:
a1b6ca8644c7908a5ee930558144d794e25a5a6a0bea0637396caa161ea04475
MD5 hash:
056627e22924798f3909231a045d44e1
SHA1 hash:
8f82ea5bdb6e9de01c281642ba2b67028ddd0c6f
Link:
https://www.unpac.me/results/96a685e9-b0be-48c1-bb75-8afb2c6b9d4d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/a1b6ca8644c7908a5ee930558144d794e25a5a6a0bea0637396caa161ea04475

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: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

File information

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

Malspam

RedLineStealer

Executable exe a1b6ca8644c7908a5ee930558144d794e25a5a6a0bea0637396caa161ea04475

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/194642/

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