MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b79f5c913e11c7c7fdd9cf12706d6049894dcc48c5b87368ff4ff05b03cc7e8. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1

SHA256 hash: 1b79f5c913e11c7c7fdd9cf12706d6049894dcc48c5b87368ff4ff05b03cc7e8
SHA3-384 hash: 6f0a1296778fedbfbaefc1de0597efd028f803ecfc9c323fc33b844dea5a3d6ae00cdf57ca9b405c00848ce4751b0d4d
SHA1 hash: fb99fab7b5062594492f1b7ce2446dedf5faf73e
MD5 hash: d995de853e0b9dc7e6e64d11e9f32c5e
humanhash: social-eighteen-king-carpet
File name:d995de853e0b9dc7e6e64d11e9f32c5e
Download: download sample
Signature Formbook
File size:871'424 bytes
First seen:2022-07-12 10:11:46 UTC
Last seen:2022-07-12 11:01:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:gj4tY8QG+Xm1gezIojjm9kGwdfBLvWZNuShItli+HP0o1ljWEUMMlAjtGNy/7p:gMV1jFPJfBQuShGli+HPVAMMlAsNa
TLSH T13105F11AFFA9CF66D2581736C4F70B54133046B6D202EF8F2BF515292C033AAAD869D5
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)
File icon (PE):PE icon
dhash icon 18a219d4d4198a10 (20 x AgentTesla, 12 x Formbook, 10 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
321
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d995de853e0b9dc7e6e64d11e9f32c5e
Verdict:
Malicious activity
Analysis date:
2022-07-12 10:22:34 UTC
Tags:
n/a

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

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm 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
.NET source code contains potential unpacker
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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 661829 Sample: l1nTX4r6Pt Startdate: 12/07/2022 Architecture: WINDOWS Score: 100 43 www.posidon.online 2->43 45 www.gynlasercusco.com 2->45 47 gynlasercusco.com 2->47 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 11 l1nTX4r6Pt.exe 19 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\yfbxzt41.newcfg, XML 11->35 dropped 37 C:\Users\user\AppData\...\wfi3hps0.newcfg, XML 11->37 dropped 39 C:\Users\user\AppData\...\v2pkhzyg.newcfg, XML 11->39 dropped 41 5 other malicious files 11->41 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 15 l1nTX4r6Pt.exe 11->15         started        18 WerFault.exe 24 9 11->18         started        21 l1nTX4r6Pt.exe 11->21         started        signatures6 process7 file8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 23 explorer.exe 15->23 injected 33 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->33 dropped signatures9 process10 signatures11 57 Uses ipconfig to lookup or modify the Windows network settings 23->57 26 ipconfig.exe 23->26         started        process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 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:
2022-07-12 08:28:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader payload
Xloader
Unpacked files
SH256 hash:
b13976488d58387b5d72b6ab3acd505641bb8661d7fd83827e71db364a6ff4b6
MD5 hash:
4e2b3ad4ec086892c344d746ad07b82f
SHA1 hash:
c21cf8677bb58062c7bf756e1097163f7b5262e1
SH256 hash:
1b79f5c913e11c7c7fdd9cf12706d6049894dcc48c5b87368ff4ff05b03cc7e8
MD5 hash:
d995de853e0b9dc7e6e64d11e9f32c5e
SHA1 hash:
fb99fab7b5062594492f1b7ce2446dedf5faf73e
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 1b79f5c913e11c7c7fdd9cf12706d6049894dcc48c5b87368ff4ff05b03cc7e8

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-12 10:11:48 UTC

url : hxxp://192.3.110.133/220/vbc.exe