MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8a9cdc29263ce68f08b4307637fe380dab9aa20bd7dde91d106169f47cd5f47. 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 2 File information Comments 1

SHA256 hash: d8a9cdc29263ce68f08b4307637fe380dab9aa20bd7dde91d106169f47cd5f47
SHA3-384 hash: 4e3e4c482d13bb0c981615684fc5c9e5037bd92042131be7ce3de245c1db58125dae5e75bb4c788bde80e9c7d81947a2
SHA1 hash: 24e6a90b3e2f26a64f3744cacf92c2e0798bdf76
MD5 hash: f710782c1a13658a0eff26ce7dd82e81
humanhash: cold-equal-iowa-social
File name:f710782c1a13658a0eff26ce7dd82e81
Download: download sample
Signature Formbook
File size:889'856 bytes
First seen:2022-01-25 11:46:03 UTC
Last seen:2022-01-25 14:02:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:JvFartSvhIQMlkUu+v9Lmuo/gTope2lCGld0A5vQ:JvMtSvihlHu+v1no/gTopeGCYdd5Y
Threatray 9'751 similar samples on MalwareBazaar
TLSH T1B415F114ABF897A1E23E97F844B014649BF6398AE52DC25C2DCB64FF4679F00A512F07
File icon (PE):PE icon
dhash icon 1032b2b070543030 (6 x AgentTesla, 3 x Formbook, 2 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://192.3.180.39/5500/vbc.exe
Verdict:
Malicious activity
Analysis date:
2022-01-25 10:54:04 UTC
Tags:
trojan formbook stealer

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

Behaviour
Searching for the window
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by 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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 559513 Sample: MUDy2AFr1o Startdate: 25/01/2022 Architecture: WINDOWS Score: 100 41 wxfive.com 2->41 43 www.wxfive.com 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 9 other signatures 2->57 9 MUDy2AFr1o.exe 7 2->9         started        signatures3 process4 file5 33 C:\Users\user\AppData\RoamingKGKeZn.exe, PE32 9->33 dropped 35 C:\Users\user\...KGKeZn.exe:Zone.Identifier, ASCII 9->35 dropped 37 C:\Users\user\AppData\Local\...\tmp29B2.tmp, XML 9->37 dropped 39 C:\Users\user\AppData\...\MUDy2AFr1o.exe.log, ASCII 9->39 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 9->61 63 Adds a directory exclusion to Windows Defender 9->63 65 Tries to detect virtualization through RDTSC time measurements 9->65 13 MUDy2AFr1o.exe 9->13         started        16 powershell.exe 23 9->16         started        18 schtasks.exe 1 9->18         started        20 MUDy2AFr1o.exe 9->20         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 13->67 69 Maps a DLL or memory area into another process 13->69 71 Sample uses process hollowing technique 13->71 73 Queues an APC in another process (thread injection) 13->73 22 explorer.exe 13->22 injected 26 conhost.exe 16->26         started        28 conhost.exe 18->28         started        process9 dnsIp10 45 ecommerceoptimise.com 192.185.98.251, 49849, 80 UNIFIEDLAYER-AS-1US United States 22->45 47 susalud.info 15.197.142.173, 49824, 80 TANDEMUS United States 22->47 49 9 other IPs or domains 22->49 59 System process connects to network (likely due to code injection or exploit) 22->59 30 WWAHost.exe 22->30         started        signatures11 process12 signatures13 75 Modifies the context of a thread in another process (thread injection) 30->75 77 Maps a DLL or memory area into another process 30->77 79 Tries to detect virtualization through RDTSC time measurements 30->79
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-25 11:46:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
33 of 43 (76.74%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:i5nb loader rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
f1b9b8271c62ca49bc384012769929c9a8058f777d114b6ab80cb6403bd9d9e2
MD5 hash:
ab41720a7fbb884a81f4dd1fbd927648
SHA1 hash:
90b66f77a85b5cbd21940844a4514a66237774b3
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
SH256 hash:
d8a9cdc29263ce68f08b4307637fe380dab9aa20bd7dde91d106169f47cd5f47
MD5 hash:
f710782c1a13658a0eff26ce7dd82e81
SHA1 hash:
24e6a90b3e2f26a64f3744cacf92c2e0798bdf76
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: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 d8a9cdc29263ce68f08b4307637fe380dab9aa20bd7dde91d106169f47cd5f47

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-01-25 11:46:05 UTC

url : hxxp://192.3.180.39/5500/vbc.exe