MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd759c0f396781dd67e9b31cbb725e88883defe4d10698606ca9f50e1a92ffb2. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dd759c0f396781dd67e9b31cbb725e88883defe4d10698606ca9f50e1a92ffb2
SHA3-384 hash: 3484964a3b78484b5223b334e46442edcf689cfe94d75ebc6888a46e9a9b0293d95683870571cd984720ff7d9a906fae
SHA1 hash: c010efe50dc57c8070003644682d925be85dbfdc
MD5 hash: 8584dabe4ec50b1bdfbf339dc48dbc9b
humanhash: echo-emma-monkey-xray
File name:VrzbgLW535gNZH4.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:613'888 bytes
First seen:2021-07-03 06:09:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:spgNfUSJGuJ76i2yf5WPNd1AKbhM8XQC6xR8F3N66SOUGPSG565S:sqyiJf/f5WGmM8Ab38BYOXPS
TLSH 2BD4F21B3CB470ADD467DB33A6D42E2C951A7E6E7ED6620B044F7289CB3BE81CD51422
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
VrzbgLW535gNZH4.exe
Verdict:
Malicious activity
Analysis date:
2021-07-03 06:21:32 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/00d7334d-8f2e-4643-be0f-a59736cb0eb6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/169478/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.900-1.UNOFFICIAL
Create hunting rule

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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/30c0df4d-e95b-4ca7-8afc-f4b34c974135
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/811360
Signature
C2 URLs / IPs found in malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 443767 Sample: VrzbgLW535gNZH4.exe Startdate: 03/07/2021 Architecture: WINDOWS Score: 100 31 www.onixtours.com 2->31 33 www.kyowaunyu-recruit.com 2->33 35 kyowaunyu-recruit.com 2->35 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 6 other signatures 2->47 11 VrzbgLW535gNZH4.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\VrzbgLW535gNZH4.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 VrzbgLW535gNZH4.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.tailgatorstruckshop.com 18->37 39 tailgatorstruckshop.com 34.102.136.180, 49740, 80 GOOGLEUS United States 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 msdt.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dd759c0f396781dd67e9b31cbb725e88883defe4d10698606ca9f50e1a92ffb2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-02 07:22:08 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3v2zydzzm6a52z7jwmolw4s6rced337e2edjqydmvh2q4gus76za._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210703-k8rm22txcs/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.kkkwhitepride.com/66op/
Unpacked files
SH256 hash:
ccc7d177b4f2923644d61091d8a037b3f565db232e5da14a43ca6e52854baaf3
MD5 hash:
0600df586bdd7bc783ec0b7a9941d759
SHA1 hash:
da2fe3549b4e7bd8a45c9acc25a64cc413d39ca6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1ba9b628-7be2-4e70-b868-b8596e4854ea/
Parent samples :
dd759c0f396781dd67e9b31cbb725e88883defe4d10698606ca9f50e1a92ffb2
c6ff402225f5d53a08b8bdac4f6a21c91954f0bf8084b25d018e994cb5367b97
f7e1c8a641a9998b7a0ece478f086de00f15bcff13473ec26798b14659219bef
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/1ba9b628-7be2-4e70-b868-b8596e4854ea/
SH256 hash:
a74745b84318849bcdcc0caa38c20c74e145a55692981243da0ec4a6430750f4
MD5 hash:
daa76c63cb77085c2356e9c4ba704c01
SHA1 hash:
40ecf827c82d18abce442ccabd231098e3d91a49
Link:
https://www.unpac.me/results/1ba9b628-7be2-4e70-b868-b8596e4854ea/
SH256 hash:
dd759c0f396781dd67e9b31cbb725e88883defe4d10698606ca9f50e1a92ffb2
MD5 hash:
8584dabe4ec50b1bdfbf339dc48dbc9b
SHA1 hash:
c010efe50dc57c8070003644682d925be85dbfdc
Link:
https://www.unpac.me/results/1ba9b628-7be2-4e70-b868-b8596e4854ea/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/dd759c0f396781dd67e9b31cbb725e88883defe4d10698606ca9f50e1a92ffb2

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 dd759c0f396781dd67e9b31cbb725e88883defe4d10698606ca9f50e1a92ffb2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/169478/

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