MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9e6337dac3988159b730ab99e0dfe6f8afcb2cfeea67dd8f98df32b836675bed. 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: 14


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

SHA256 hash: 9e6337dac3988159b730ab99e0dfe6f8afcb2cfeea67dd8f98df32b836675bed
SHA3-384 hash: 12e5ba817e0a22a3e9240614079a3c3d4ce7e9b75cf3d3a6cebf962dab2a606adba7742ce702fad815dc7a3ad4f0b138
SHA1 hash: 3d74d1919939dde5b3eb19588ec727fb26546ed7
MD5 hash: 82b664c96941c31cdd0180cf35adfe38
humanhash: moon-mountain-jersey-colorado
File name:L4.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:792'576 bytes
First seen:2021-08-22 19:35:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:roy5JOEPX1EGLnFDM1jcklM9MZ4VNCyZaA0JND19yr3Bja:saHPCGsjckTqQy3ENpgA
Threatray 8'362 similar samples on MalwareBazaar
TLSH T1B1F4CF7071A78A96F51F8A742538BD5003B131F3E9C6DA391B5A6146CFEDE983F4820B
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
452
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bulk Order 2021.zip
Verdict:
Malicious activity
Analysis date:
2021-08-17 12:00:17 UTC
Tags:
opendir exploit CVE-2017-11882 trojan formbook stealer
Link:
https://app.any.run/tasks/d70a9e77-f8e7-4917-8d1f-3a23d111c75d

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/181298/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ed683930-428a-411b-a2f8-83fd835882ef
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837154
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 469585 Sample: L4.exe Startdate: 22/08/2021 Architecture: WINDOWS Score: 100 33 www.lbfnation.com 2->33 35 dualstack.sni.bigcartel.map.fastly.net 2->35 37 dggraphix.bigcartel.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 11 L4.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\L4.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 L4.exe 11->15         started        18 L4.exe 11->18         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 20 explorer.exe 15->20 injected process9 dnsIp10 39 www.poolnewagain.com 74.220.199.6, 49724, 80 UNIFIEDLAYER-AS-1US United States 20->39 41 www.ameicanmusical.com 81.17.18.195, 49726, 80 PLI-ASCH Switzerland 20->41 43 11 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 chkdsk.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9e6337dac3988159b730ab99e0dfe6f8afcb2cfeea67dd8f98df32b836675bed/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-17 02:08:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
33 of 46 (71.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tzrtpwwdtcavtnzqvom6bx7g7cx4wlh65jt53d4y34zlqnthlpwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00011cb5a8a25fa0000dcd7a0b057cc8fa119323e3d4b68b4f596b07eca6bb42
Formbook
0ae1df4d50a7ed640973980699737b85e8947baef0087c511b4b1ebf8bdc22ba
Formbook
64550a0d3d1c28b1ec50006327a707b7287997aa7ca146153440935a033ccb97
Formbook
8f28eb3a5a98a63955599167bc56f778544421f9e96fbb5502caa37e954db0fc
Formbook
f3270afb61ba9b96ebb681a138a5ffb3b38d940e63006bbc70cd5e4f20f9300b
Formbook
+ 8'352 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:zrmt loader rat suricata
Link:
https://tria.ge/reports/210822-nv6th1jw3a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
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.xcwwjzsb.com/zrmt/
Unpacked files
SH256 hash:
c0c031a1e398d6e72926313b3279c743f32c9674f89c4af79ed66b1a829a4895
MD5 hash:
604ce4ce93647b97e116df65d4696450
SHA1 hash:
3aa2402eaa2ebac3b95e1e15cf21dac90e18233a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/01bfee77-3bf7-4b95-808a-342975d9aefa/
Parent samples :
5ff929b7a7d2979ed4f21770079d6f8c1c012722d1d67d0873a5f96101b5d5a3
9e6337dac3988159b730ab99e0dfe6f8afcb2cfeea67dd8f98df32b836675bed
a49278e32de8c758012e44c3519591a7997b261e453827ff7b11158786563430
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/01bfee77-3bf7-4b95-808a-342975d9aefa/
SH256 hash:
9d05646fb736d187de8c598083e395621f17c332f624ff764ac17665f43281c1
MD5 hash:
325c9bdb52dc330d654c444ff9c0d4b2
SHA1 hash:
3c57a1d1de55076c1b5bde0404c8bf7e4a5d58fc
Link:
https://www.unpac.me/results/01bfee77-3bf7-4b95-808a-342975d9aefa/
SH256 hash:
9e6337dac3988159b730ab99e0dfe6f8afcb2cfeea67dd8f98df32b836675bed
MD5 hash:
82b664c96941c31cdd0180cf35adfe38
SHA1 hash:
3d74d1919939dde5b3eb19588ec727fb26546ed7
Link:
https://www.unpac.me/results/01bfee77-3bf7-4b95-808a-342975d9aefa/
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/9e6337dac3988159b730ab99e0dfe6f8afcb2cfeea67dd8f98df32b836675bed

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/181298/

Comments