MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223. 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


Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: 7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
SHA3-384 hash: 17fdff0ba7a08abb1791deaadae47b22be8f3816c48cb486e4362e84689b82776a9894a35efb11838819d6db5fa49954
SHA1 hash: 9415a9c252e39776162749c9131d96274cd6cac9
MD5 hash: 2fa809111f6953a10bcae39ef3f57aa7
humanhash: zulu-football-low-bluebird
File name:t0ID2yWRERNRIz4.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:838'144 bytes
First seen:2021-09-20 04:18:43 UTC
Last seen:2021-09-20 13:02:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:DBGiY6HkFug86gomJluiCSGV/OeZksg3ifNiYBKkZTIHmtiK5owFGx:DA6EFuWMluiCSk2etf4YXhIH+Fowe
Threatray 9'355 similar samples on MalwareBazaar
TLSH T14905C0202264822AE1FBE73CD4629471CB3EB987A036D99E5DC3D5DA0D36341C51BB6F
File icon (PE):PE icon
dhash icon a6591878d162e41b (9 x AgentTesla, 7 x Formbook, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
t0ID2yWRERNRIz4.exe
Verdict:
Malicious activity
Analysis date:
2021-09-20 04:20:58 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/0fa7d1bd-12cb-4b61-a3c8-1baff42cbe80

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/189184/
Detection(s):
SecuriteInfo.com.generic.ml.20392.18760.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
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/acb6187f-3025-4a00-8ea5-ad42f31f1953
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/853718
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 486149 Sample: t0ID2yWRERNRIz4.exe Startdate: 20/09/2021 Architecture: WINDOWS Score: 100 29 www.dualvisionproductions.com 2->29 31 dualvisionproductions.com 2->31 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 6 other signatures 2->53 10 t0ID2yWRERNRIz4.exe 3 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\...\t0ID2yWRERNRIz4.exe.log, ASCII 10->27 dropped 55 Writes to foreign memory regions 10->55 57 Injects a PE file into a foreign processes 10->57 14 MSBuild.exe 10->14         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 2 other signatures 14->65 17 chkdsk.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Tries to detect virtualization through RDTSC time measurements 17->43 23 cmd.exe 1 17->23         started        33 www.prajapati.company 209.17.116.163, 49796, 80 DEFENSE-NETUS United States 20->33 35 www.jejuhaenyeo.net 20->35 37 2 other IPs or domains 20->37 45 System process connects to network (likely due to code injection or exploit) 20->45 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-09-20 03:34:23 UTC
AV detection:
6 of 45 (13.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pngbx6nbljazbah6akdgvitpcyxxtvpac5r4nl2zcwyhtccvmirq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1b4d3e69b4e2e533522d48f27a0137e34b92b01e36d348c12f0df4371ed7d573
Formbook
34066150ffa7efa505b8d2246925cd8a32f83b9609438ae76aa27cef7388054d
Formbook
5397f0168be76c7e5efee936d341eb359b9015af5e77631129dc0664105e9259
Formbook
5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
Formbook
6137b2968c98b110deef11d69b037a5d541b39b930628d12881b6daa5bdb9bb4
Formbook
6838e750e4d6b197819aedaeb8e0a183d5fb790da0d6d5e426d99f09bae758d9
Formbook
6b7bd383f832bdf845fc7632d277abef4c35815afd1c285102d63cd9dcc7d466
Formbook
8ea636d851faf7ce0769fbbe7856659d0eb6638353df90e0c93f461ac3a932be
Formbook
940a0ddc445a53994ab5249bb78cbe3748868765d83d6fc654866591adf64901
Formbook
+ 9'345 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:gjeh loader rat suricata
Link:
https://tria.ge/reports/210920-exhmdsfdhr/
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.getaudionow.com/gjeh/
Unpacked files
SH256 hash:
fb12b908851c176fa02f78aaffa4c2701c0529764631f5efd91b388774956f20
MD5 hash:
762633281627890c2ec1a04393db0201
SHA1 hash:
92a1947e2989fe9572f561fa6642f7920c3f2330
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1d2f9d60-d6f9-44e5-a8ea-019a6ed99c92/
Parent samples :
7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
6acf1bec87a9b06a63ac3be623a527d7c419d17bb8a258b67e2f7cc2c607cc10
0693c816986f73899e351e1989103e680c336f401cca1d14f5bce3b5865cfee6
115716164b2092df207c750d11a2b4ce05bee204b7f21f1f62d93a5b7d78afa1
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
Link:
https://www.unpac.me/results/1d2f9d60-d6f9-44e5-a8ea-019a6ed99c92/
SH256 hash:
999813045c29b6a56721325227030550b28ab5bae5a06b4ddf370800287d3a4e
MD5 hash:
612ba81f52fa2a1bf2b4c93176e22a73
SHA1 hash:
7ca011557c417f095e2535159895e90c53249921
Link:
https://www.unpac.me/results/1d2f9d60-d6f9-44e5-a8ea-019a6ed99c92/
SH256 hash:
444f68aa988a5126e02f0c5ea6fe04fac2b75e96d6cf0f9fccdab5548e61fc32
MD5 hash:
1e0b4276d242568f947e2384ef2e5fc7
SHA1 hash:
74e8a43e9c76d295a0ab1fbdb0eb413c9aae2176
Link:
https://www.unpac.me/results/1d2f9d60-d6f9-44e5-a8ea-019a6ed99c92/
SH256 hash:
7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
MD5 hash:
2fa809111f6953a10bcae39ef3f57aa7
SHA1 hash:
9415a9c252e39776162749c9131d96274cd6cac9
Link:
https://www.unpac.me/results/1d2f9d60-d6f9-44e5-a8ea-019a6ed99c92/
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/7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223

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

Formbook

Executable exe 7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/189184/

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