MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b88d84be2994a05ac716dac99a689356d8c7ecbd541989a5339be403da909430. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b88d84be2994a05ac716dac99a689356d8c7ecbd541989a5339be403da909430
SHA3-384 hash: c2cd970e1e5f907290bd2cace9a82f1cf31016a3bed8bd417e3a99d6c0f680e313223e214c6dbb92934bcf2d188a7b73
SHA1 hash: cc6243df7e6b835bf476a41023b8ff4ebb66b9ac
MD5 hash: ec93682406cb590651215da741f3c8d1
humanhash: fix-william-dakota-october
File name:ec93682406cb590651215da741f3c8d1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:486'400 bytes
First seen:2021-01-18 07:43:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:OV9i0Lv6kc7562QYXfIdteI5/DM5JjWM:OVXLv6kc71XfIdt39DM5hW
Threatray 5'319 similar samples on MalwareBazaar
TLSH 9BA4DF1033A69341D4E26BB2199BC46907763D1B487BD20D6DEA33DE183378BC96AB17
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
arrival_notice.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-18 04:55:31 UTC
Tags:
encrypted trojan exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/e7282c15-b79c-46f9-af78-7dcc7e42f8c9

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/112417/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.507.20992.8805.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a window
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/583402
Signature
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 virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340734 Sample: 2WiiGHszyC.exe Startdate: 18/01/2021 Architecture: WINDOWS Score: 100 37 www.overnaut.net 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 3 other signatures 2->51 11 2WiiGHszyC.exe 2 2->11         started        signatures3 process4 signatures5 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 14 2WiiGHszyC.exe 11->14         started        17 WerFault.exe 23 9 11->17         started        20 2WiiGHszyC.exe 11->20         started        22 2WiiGHszyC.exe 11->22         started        process6 file7 65 Modifies the context of a thread in another process (thread injection) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Sample uses process hollowing technique 14->69 71 Queues an APC in another process (thread injection) 14->71 24 explorer.exe 14->24 injected 35 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 17->35 dropped signatures8 process9 dnsIp10 39 www.zhjiaxiang.com 156.254.253.78, 49727, 49769, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 24->39 41 www.tu4343.com 154.202.142.207, 49759, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 24->41 43 21 other IPs or domains 24->43 53 System process connects to network (likely due to code injection or exploit) 24->53 28 NETSTAT.EXE 24->28         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 28->59 61 Maps a DLL or memory area into another process 28->61 63 Tries to detect virtualization through RDTSC time measurements 28->63 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b88d84be2994a05ac716dac99a689356d8c7ecbd541989a5339be403da909430/
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
040e512b75bacd0ed6e0e13efa13f6ea92ebd47c214112b5371425009909c842
Formbook
148007b32a311769a958c3f87c6c836b14457f17dbe6a9a0188b0f68b3c30b40
Formbook
373978ea9f4ae282536f4991ffac268b5597b69c399633ca9e2f97b8dbd01c6f
Formbook
38f3aadc65df16aed9f5bbaa5f42598d3fd9b29811429fcddd679a40b092fca0
Formbook
4c2ffa57352cd1e3b76fdf01f581046245fe70427377823464857ad32189dcba
Formbook
5b895b1fe7b66a92588a06eba17a83022da0b539dd9c2eaafbf6082a656f7b57
Formbook
5cd75052c82b5ff0cc1261075c4fdb060c21062c72525508cbb75e44683f6d0b
Formbook
92463d5500d27c6270248dfa01e99a77cc33c5caab3ae357c424b3d42864a4f7
Formbook
b2c722497192e585403d800c2b34bc14ed8c7ea9b0f2b4e8c7b7951b645cd319
Formbook
ee4b567e9ec4039e3494f812a70c14c02865b600a2356e3f5906ac520242839f
Formbook
+ 5'309 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210118-8zgk9tsq7a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.inreachpt.com/gqx2/
Unpacked files
SH256 hash:
97053483328e11e7fe3f8e0984fae5614b9024a27bd8f500abc5467d20e61526
MD5 hash:
41bfd990b802eb720fc6db4be286ecc1
SHA1 hash:
37815006e16e19563b10c1e925a89a276f713698
Link:
https://www.unpac.me/results/72a83792-8438-41a3-b671-731a95be982c/
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/72a83792-8438-41a3-b671-731a95be982c/
SH256 hash:
3e215d8d82233de2c29a24d35ccb0c8dea1ba1f25579497b075419843d36d17d
MD5 hash:
f66478d91fdabce95474a51a82eee285
SHA1 hash:
07008d10cd2d34ddb51767456d8b83a6674da3fb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/72a83792-8438-41a3-b671-731a95be982c/
Parent samples :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 hash:
b88d84be2994a05ac716dac99a689356d8c7ecbd541989a5339be403da909430
MD5 hash:
ec93682406cb590651215da741f3c8d1
SHA1 hash:
cc6243df7e6b835bf476a41023b8ff4ebb66b9ac
Link:
https://www.unpac.me/results/72a83792-8438-41a3-b671-731a95be982c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b88d84be2994a05ac716dac99a689356d8c7ecbd541989a5339be403da909430

File information

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

Web download

Formbook

Executable exe b88d84be2994a05ac716dac99a689356d8c7ecbd541989a5339be403da909430

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/969399/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/112417/

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