MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 01c181ee1ad46259151c6933a0a4e23dadb615ff58811a8891dce77cbfdd1ea1. 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 2 File information Comments 1

SHA256 hash: 01c181ee1ad46259151c6933a0a4e23dadb615ff58811a8891dce77cbfdd1ea1
SHA3-384 hash: 2e612258c380626c00780394ab012ff8defa3d48640a41bef6cfea4f8c4a23d0f11fb14fa29d61178876c0516b898fc8
SHA1 hash: aa95524760fe3b15aff4997dadad15efbf32049b
MD5 hash: f424846dd1be50c4a8b9493924c56ca2
humanhash: harry-mexico-robert-asparagus
File name:f424846dd1be50c4a8b9493924c56ca2
Download: download sample
Signature Formbook
File size:206'526 bytes
First seen:2022-06-11 01:20:19 UTC
Last seen:2022-06-11 01:42:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dd1742eadfc6df18ded3c26ae64ad610 (31 x Formbook, 5 x RemcosRAT, 3 x AgentTesla)
ssdeep 3072:F14/IIhEDnmJ+U3dkrbHpnbk77rajilZMU4C5wO2MQEqSiUjl1ubQlHeQ12SB97N:FbONkXHpbknePPC5wO2OTc3glEU
TLSH T15F14124266E049F3D618043011BBEBBDF3338FA5962A9E474F986F7B19209438FA6355
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
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 :
2
# of downloads :
361
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
f424846dd1be50c4a8b9493924c56ca2
Verdict:
Malicious activity
Analysis date:
2022-06-11 01:20:53 UTC
Tags:
installer 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
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 643683 Sample: OUg4tHHn4A Startdate: 11/06/2022 Architecture: WINDOWS Score: 100 39 www.happinesssangha.com 2->39 41 www.campgreencove.com 2->41 43 happinesssangha.com 2->43 59 Snort IDS alert for network traffic 2->59 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 5 other signatures 2->65 12 OUg4tHHn4A.exe 18 2->12         started        signatures3 process4 file5 37 C:\Users\user\AppData\Local\Temp\zsxbnh.exe, PE32 12->37 dropped 15 zsxbnh.exe 12->15         started        process6 signatures7 79 Multi AV Scanner detection for dropped file 15->79 81 Machine Learning detection for dropped file 15->81 83 Tries to detect virtualization through RDTSC time measurements 15->83 18 zsxbnh.exe 15->18         started        process8 signatures9 51 Modifies the context of a thread in another process (thread injection) 18->51 53 Maps a DLL or memory area into another process 18->53 55 Sample uses process hollowing technique 18->55 57 Queues an APC in another process (thread injection) 18->57 21 explorer.exe 1 18->21 injected process10 dnsIp11 45 www.verdure720.com 91.195.240.103, 49816, 49817, 49818 SEDO-ASDE Germany 21->45 47 www.nusires.com 68.65.121.68, 49801, 80 NAMECHEAP-NETUS United States 21->47 49 6 other IPs or domains 21->49 67 System process connects to network (likely due to code injection or exploit) 21->67 25 mstsc.exe 1 12 21->25         started        signatures12 process13 signatures14 69 Tries to steal Mail credentials (via file / registry access) 25->69 71 Tries to harvest and steal browser information (history, passwords, etc) 25->71 73 Modifies the context of a thread in another process (thread injection) 25->73 75 2 other signatures 25->75 28 cmd.exe 2 25->28         started        31 cmd.exe 1 25->31         started        process15 signatures16 77 Tries to harvest and steal browser information (history, passwords, etc) 28->77 33 conhost.exe 28->33         started        35 conhost.exe 31->35         started        process17
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2022-06-08 21:35:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:mt88 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
Adds policy Run key to start application
Blocklisted process makes network request
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:
718057642984fb735b53ad135814386c329b224af5f31faf4c45506af2c1d1d5
MD5 hash:
b7832b97237933a5abec0b3b4917a2b8
SHA1 hash:
c7c1a9a2a40e3aabf59d1bacaaaa1acf00b50a96
SH256 hash:
01c181ee1ad46259151c6933a0a4e23dadb615ff58811a8891dce77cbfdd1ea1
MD5 hash:
f424846dd1be50c4a8b9493924c56ca2
SHA1 hash:
aa95524760fe3b15aff4997dadad15efbf32049b
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 01c181ee1ad46259151c6933a0a4e23dadb615ff58811a8891dce77cbfdd1ea1

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-11 01:20:29 UTC

url : hxxp://103.167.92.57/ms365cloud__/vbc.exe