MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e226334635541cd4581643d39b8d8f19d1ac7519e6d3e833dcf48d4c0b1c1080. 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: e226334635541cd4581643d39b8d8f19d1ac7519e6d3e833dcf48d4c0b1c1080
SHA3-384 hash: d946f552ea2638d2087ec73a14836bba56c167446ff0fcbb8dba1c5d19525867c8e62dd79e862a03045dc1e302d242a3
SHA1 hash: 30d0288d2ef2eb476b2e34dd172dcbc0f24cd8ce
MD5 hash: d721530287891660ca9537b10a01fa9b
humanhash: blue-hot-zulu-jupiter
File name:d721530287891660ca9537b10a01fa9b
Download: download sample
Signature Formbook
File size:197'528 bytes
First seen:2022-04-20 09:43:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 3072:l1NjcVVnLpPunbf9ik+zCziJYsiRv+QfU6AjPLdaPHqPgebf7oX9gt5TeN2O:HNeZmf9ismR+JAjZIKoezkWa3
Threatray 15'251 similar samples on MalwareBazaar
TLSH T137141210EAA0C0A3D2724F312B39976BAEFF9C052274570B37A0AFDDBE62955950D347
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Quotation Order.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-20 04:57:04 UTC
Tags:
encrypted opendir loader exploit CVE-2017-11882 formbook trojan stealer

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
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 611938 Sample: q3kYYIXYv9 Startdate: 20/04/2022 Architecture: WINDOWS Score: 100 36 www.worklocalcortland.com 2->36 38 www.totalzerosband.com 2->38 40 9 other IPs or domains 2->40 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 3 other signatures 2->56 12 q3kYYIXYv9.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\kedcmk.exe, PE32 12->34 dropped 15 kedcmk.exe 1 12->15         started        process6 signatures7 64 Multi AV Scanner detection for dropped file 15->64 66 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->66 68 Tries to detect virtualization through RDTSC time measurements 15->68 70 Injects a PE file into a foreign processes 15->70 18 kedcmk.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 23 explorer.exe 18->23 injected process10 process11 25 wlanext.exe 23->25         started        signatures12 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        30 explorer.exe 2 156 25->30         started        process13 process14 32 conhost.exe 28->32         started       
Threat name:
Win32.Trojan.Swotter
Status:
Malicious
First seen:
2022-04-20 07:20:35 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:itq4 loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
bcc89c68d63d9257d3fbc2cdcf37a302d0c6aca13ec69bb917f9ac6d9d1c4ac0
MD5 hash:
82e1293b32c314b2c6b72deb67141ba2
SHA1 hash:
d24eeb9b55a96da969897c2fda11b1f7ed5930c6
SH256 hash:
55df339baec74cea29fdec9b10d275e06d2f84686f0b17718b911ecc0b090f95
MD5 hash:
1e265f4b25ff5b2ef47b3663805e6e43
SHA1 hash:
89717971772ff46c4d0539ba3d287209a14d87cd
SH256 hash:
e226334635541cd4581643d39b8d8f19d1ac7519e6d3e833dcf48d4c0b1c1080
MD5 hash:
d721530287891660ca9537b10a01fa9b
SHA1 hash:
30d0288d2ef2eb476b2e34dd172dcbc0f24cd8ce
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Web download

Formbook

Executable exe e226334635541cd4581643d39b8d8f19d1ac7519e6d3e833dcf48d4c0b1c1080

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-04-20 09:43:46 UTC

url : hxxp://198.12.81.20/xloader/XLOADER.exe