MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86b01fa8a457b9f282f50f1754a8ce931bb9d64f9f14c1d08d973ee1bb469559. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 86b01fa8a457b9f282f50f1754a8ce931bb9d64f9f14c1d08d973ee1bb469559
SHA3-384 hash: e46fd7d8a2b78b3f51153ee1f019009842c0c1397e4b3292fe0cc3c1f7c32a5bf8b23af8ce4d29e82f05f850108b78b0
SHA1 hash: 4ee201c8bd27c528be26671265dc154a5682a1aa
MD5 hash: a694c73396c1615abc196f7f13e7c74d
humanhash: echo-solar-october-white
File name:triage_dropped_file
Download: download sample
Signature Formbook
File size:452'096 bytes
First seen:2022-06-14 01:06:43 UTC
Last seen:2022-06-14 01:32:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:hgPBafvIGXl4PkFqz3yEdhqdgsqcweb+LOMGyl:hgIff4Ug3Dsqleb+aIl
TLSH T193A412E573FE0B55E2AD6B39562394C027747A2F8266D34C480E34DD4572F83A2C2BA7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
triage_dropped_file
Verdict:
Malicious activity
Analysis date:
2022-06-14 01:08:41 UTC
Tags:
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
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Snort IDS alert for network traffic
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: 644982 Sample: triage_dropped_file Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 35 www.lbrzandvoort.com 2->35 37 mijndomein.partnerwebsitedns.com 2->37 39 2 other IPs or domains 2->39 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 6 other signatures 2->51 11 triage_dropped_file.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\...\triage_dropped_file.exe.log, ASCII 11->33 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 triage_dropped_file.exe 11->15         started        18 triage_dropped_file.exe 11->18         started        20 triage_dropped_file.exe 11->20         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 22 explorer.exe 15->22 injected process9 dnsIp10 41 www.kingdomcell.com 22->41 43 192.168.2.1 unknown unknown 22->43 53 System process connects to network (likely due to code injection or exploit) 22->53 26 chkdsk.exe 22->26         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 59 Tries to detect virtualization through RDTSC time measurements 26->59 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-14 01:07:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:itq4 loader rat suricata
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ea8d4658680c6ac20ac8736edbd80f4957fca7fb2e73cb47ce3188795f17bdb3
MD5 hash:
f5b947e8cd43884376d3878aea736724
SHA1 hash:
a418c0b5f126291a26476ff65f289a96c308a351
SH256 hash:
ab04febbfb809e72f56728f6b24c70454443908311768fe8699bfff398cc9ca0
MD5 hash:
6a79a933e4068eb8419f9621e84783b2
SHA1 hash:
109446a3fb0a7c9bc7073d152d950c4c03ef2075
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
SH256 hash:
86b01fa8a457b9f282f50f1754a8ce931bb9d64f9f14c1d08d973ee1bb469559
MD5 hash:
a694c73396c1615abc196f7f13e7c74d
SHA1 hash:
4ee201c8bd27c528be26671265dc154a5682a1aa
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 86b01fa8a457b9f282f50f1754a8ce931bb9d64f9f14c1d08d973ee1bb469559

(this sample)

  
Delivery method
Distributed via web download

Comments