MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 877727126dd647bbd23c00721d01b1bbe752a01f1943f89a35f3ba7c908f1a48. 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 3 File information Comments 1

SHA256 hash: 877727126dd647bbd23c00721d01b1bbe752a01f1943f89a35f3ba7c908f1a48
SHA3-384 hash: 1f8f58b4e27db4efdb32090b44d08aa7ded48b18c81373a71cbd748b9156bb91864db49335c616ff30be66c38ca07b67
SHA1 hash: de14528b88027332f2c406f42f23c68cf16ec11e
MD5 hash: d23ca1a68c0067ad0bd32dda2109c7db
humanhash: mango-mike-delta-fourteen
File name:d23ca1a68c0067ad0bd32dda2109c7db
Download: download sample
Signature Formbook
File size:555'520 bytes
First seen:2021-10-29 08:26:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:alfZx3WGByXhz8Qv3HCTarzAqw8E1+gPQfG8S5qwL//fE1vI:alfZxGtH3iTaQqwke8+TX6vI
Threatray 10'960 similar samples on MalwareBazaar
TLSH T1C7C413456F2847AFF36C0FB870530A1486A57E322B71EE4D8AD6369D27B27C129CC953
File icon (PE):PE icon
dhash icon 9671d4ccccc8e833 (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
877727-awsa.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-29 11:32:44 UTC
Tags:
n/a

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

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 511601 Sample: kn2MdWxD2A Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 33 www.mg-leadership.com 2->33 35 mg-leadership.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 11 kn2MdWxD2A.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\kn2MdWxD2A.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 kn2MdWxD2A.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.nadanadif.com 146.59.209.152, 49798, 80 OVHFR Norway 18->37 39 www.bricokitchen.com 213.186.33.5, 49795, 80 OVHFR France 18->39 41 6 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 systray.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-10-29 08:27:06 UTC
AV detection:
8 of 44 (18.18%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:pufi loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.homestechs.com/pufi/
Unpacked files
SH256 hash:
31f985d63bfcfc0ae4568a23a907c3c71035a156315ad1fc482e54882438d52f
MD5 hash:
b2d762a1f54c55ed7b19e9d55e52abf5
SHA1 hash:
35d88bf5383d471a4f420bfa3aed3ef0817ddfdb
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
SH256 hash:
877727126dd647bbd23c00721d01b1bbe752a01f1943f89a35f3ba7c908f1a48
MD5 hash:
d23ca1a68c0067ad0bd32dda2109c7db
SHA1 hash:
de14528b88027332f2c406f42f23c68cf16ec11e
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 877727126dd647bbd23c00721d01b1bbe752a01f1943f89a35f3ba7c908f1a48

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-10-29 08:26:30 UTC

url : hxxp://20.102.53.71/mic/awsa.exe