MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 652385ecfc8acbe450ec14e301e3f4067cd1e2da0d5675c589c393949febc58a. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 652385ecfc8acbe450ec14e301e3f4067cd1e2da0d5675c589c393949febc58a
SHA3-384 hash: f8587d051cf6ad56f37434f234d6a2e842dc35d1676c1e13fc64f96f830ddce284bc8a14a0f6dfd512158f35b7ac9039
SHA1 hash: 15319e8da91e64ff1a01d89f28c3b91bec92ab0a
MD5 hash: 15ed74b1ca855d35a336689cbf2936df
humanhash: lamp-hawaii-low-lamp
File name:Purchase Order no.202201EYL-01.exe
Download: download sample
Signature Formbook
File size:585'216 bytes
First seen:2021-11-18 14:51:33 UTC
Last seen:2021-11-22 07:05:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:3QZ3AcJzzi3i7mDYhB/7340D0Bp9wqlAiS+7k:gZ3Aeacjb6BwkzD7
Threatray 11'353 similar samples on MalwareBazaar
TLSH T16AC4C0553EECCB12E0A66EFCB760D1895B70F112123FFB5A6E9059DA14F87A309052B3
File icon (PE):PE icon
dhash icon c492e8f4ece0d8ec (3 x Formbook, 3 x AgentTesla, 1 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order no.202201EYL-01.exe
Verdict:
Malicious activity
Analysis date:
2021-11-18 15:57:39 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
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
Initial sample is a PE file and has a suspicious name
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
Performs DNS queries to domains with low reputation
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: 524499 Sample: Purchase Order no.202201EYL... Startdate: 18/11/2021 Architecture: WINDOWS Score: 100 31 yooliaphotography.com 2->31 33 www.yooliaphotography.com 2->33 35 www.ordenmorgi.quest 2->35 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 9 other signatures 2->61 10 Purchase Order no.202201EYL-01.exe 3 2->10         started        signatures3 process4 file5 29 C:\...\Purchase Order no.202201EYL-01.exe.log, ASCII 10->29 dropped 63 Injects a PE file into a foreign processes 10->63 14 Purchase Order no.202201EYL-01.exe 10->14         started        signatures6 process7 signatures8 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 17 explorer.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 43 Self deletion via cmd delete 17->43 45 Modifies the context of a thread in another process (thread injection) 17->45 47 Maps a DLL or memory area into another process 17->47 49 Tries to detect virtualization through RDTSC time measurements 17->49 23 cmd.exe 1 17->23         started        37 online-buy-now.com 5.79.71.161, 49820, 80 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 20->37 39 www.vintageknollsapartments.com 208.91.197.27, 49818, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 20->39 41 5 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Performs DNS queries to domains with low reputation 20->53 25 autoconv.exe 20->25         started        signatures11 process12 process13 27 conhost.exe 23->27         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2021-11-16 13:57:07 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:46uq loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.jixelbbk.com/46uq/
Unpacked files
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
d4f16ac5d180bbab1582207724dc2dff8347e1f00b78594d5fcd161f62689127
MD5 hash:
69e4976df583c1725bdd220a03042631
SHA1 hash:
19ac1723df30046079a507d1e5b82af5cd2a4962
SH256 hash:
652385ecfc8acbe450ec14e301e3f4067cd1e2da0d5675c589c393949febc58a
MD5 hash:
15ed74b1ca855d35a336689cbf2936df
SHA1 hash:
15319e8da91e64ff1a01d89f28c3b91bec92ab0a
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.

Malspam

Formbook

Executable exe 652385ecfc8acbe450ec14e301e3f4067cd1e2da0d5675c589c393949febc58a

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments