MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 172b6843a7e40f00ec861c944f8247207bc5ce4acc8c7fadac922313f141da1f. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments 1

SHA256 hash: 172b6843a7e40f00ec861c944f8247207bc5ce4acc8c7fadac922313f141da1f
SHA3-384 hash: 7267366da1750c86628acfdee6222bb1931dc48f1b2ee856d3ba45a6d32e2d4d3ea5d4a022a23c97eebc14e7e1d70dd6
SHA1 hash: 7bfce2d9b04f58d6900b7a9481d70fc96d7efa31
MD5 hash: 7f5bb6e1e67d94e0c3211e8274fd7312
humanhash: hawaii-fix-oscar-lithium
File name:7f5bb6e1e67d94e0c3211e8274fd7312
Download: download sample
Signature Formbook
File size:506'880 bytes
First seen:2021-11-23 10:14:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:dtuUbqg2cLLMwtxWnZRPRSCt+N08rtD00cUQCSIhQma:dtuULpPZtxWnZxltORrC0
Threatray 11'617 similar samples on MalwareBazaar
TLSH T13FB4D0A8325072DFC827CE728D645CA0673175376B0BC25BA447129DAD1EA97CF226F3
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO11232021.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-23 08:33:20 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 527077 Sample: 3543lZhfll Startdate: 23/11/2021 Architecture: WINDOWS Score: 100 32 www.ceciliaenergy.com 2->32 34 www.zhihuiludenggan.com 2->34 36 www.altmarvacanze.com 2->36 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Yara detected AntiVM3 2->54 56 4 other signatures 2->56 11 3543lZhfll.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\3543lZhfll.exe.log, ASCII 11->30 dropped 68 Tries to detect virtualization through RDTSC time measurements 11->68 70 Injects a PE file into a foreign processes 11->70 15 3543lZhfll.exe 11->15         started        signatures6 process7 signatures8 72 Modifies the context of a thread in another process (thread injection) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Sample uses process hollowing technique 15->76 78 Queues an APC in another process (thread injection) 15->78 18 explorer.exe 15->18 injected process9 dnsIp10 38 www.wieww.com 185.68.16.7, 49778, 80 UKRAINE-ASUA Ukraine 18->38 40 www.ovvorta.com 18->40 42 6 other IPs or domains 18->42 58 System process connects to network (likely due to code injection or exploit) 18->58 22 help.exe 12 18->22         started        signatures11 process12 dnsIp13 44 www.defendingdata.com 22->44 46 34.192.166.167, 80 AMAZON-AESUS United States 22->46 48 2 other IPs or domains 22->48 60 Self deletion via cmd delete 22->60 62 Modifies the context of a thread in another process (thread injection) 22->62 64 Maps a DLL or memory area into another process 22->64 66 Tries to detect virtualization through RDTSC time measurements 22->66 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-23 10:15:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
26 of 45 (57.78%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:h6eg loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.volkcarteil.com/h6eg/
Unpacked files
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
SH256 hash:
cb68ef45640c0c42c2ea403196d00de1d9abffe0cc75284968086e8fc829d3bb
MD5 hash:
f71120f613eddd951c754b22d19f401b
SHA1 hash:
0dbc2d3abd31017dc20f7049dc246c4303fe5ddb
SH256 hash:
172b6843a7e40f00ec861c944f8247207bc5ce4acc8c7fadac922313f141da1f
MD5 hash:
7f5bb6e1e67d94e0c3211e8274fd7312
SHA1 hash:
7bfce2d9b04f58d6900b7a9481d70fc96d7efa31
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 172b6843a7e40f00ec861c944f8247207bc5ce4acc8c7fadac922313f141da1f

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-23 10:15:01 UTC

url : hxxp://103.149.12.116/76190111111_1/.csrss.exe