MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 606f28f497877961e1a8b219a60b2fc820dc4a6753c66f178e3bf5bdf229d084. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 606f28f497877961e1a8b219a60b2fc820dc4a6753c66f178e3bf5bdf229d084
SHA3-384 hash: 013cfff979bd52c98e02664cd5da6d6c6e26c784759caedd7ce3da7a33d8643cd8bab0bce6751ae73d7bde905c7b23c0
SHA1 hash: c92f69b2db92f3249775ecc9511a3949a6c3072b
MD5 hash: 842d5f977285c6032cf66fd31f145409
humanhash: tennessee-oscar-eighteen-king
File name:842d5f977285c6032cf66fd31f145409.exe
Download: download sample
Signature Formbook
File size:550'912 bytes
First seen:2022-06-14 08:28:21 UTC
Last seen:2022-06-14 10:00:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:LRlDnpOOTxJil5Eo/+HLWkyFMi0Pfi4NvzHw4H:lFnp1+d/Pkxi+fi4t8
TLSH T1C7C40275A6F4D361DFFBCA3485618484BD32A9257103E7624F8464D92981F800FEBA7F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
842d5f977285c6032cf66fd31f145409.exe
Verdict:
Suspicious activity
Analysis date:
2022-06-14 23:58:42 UTC
Tags:
n/a

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

Behaviour
Sending a custom TCP request
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Reading critical registry keys
Forced shutdown of a system process
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.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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)
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
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 645197 Sample: oS4KiwTQYK.exe Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 34 www.crememeup.store 2->34 36 onstatic-fr.setupdns.net 2->36 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 7 other signatures 2->44 11 oS4KiwTQYK.exe 2 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\oS4KiwTQYK.exe.log, ASCII 11->32 dropped 14 wsmprovhost.exe 11->14         started        17 conhost.exe 11->17         started        process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Tries to detect virtualization through RDTSC time measurements 14->54 56 Queues an APC in another process (thread injection) 14->56 19 explorer.exe 2 152 14->19         started        21 explorer.exe 14->21 injected process8 process9 23 msiexec.exe 19->23         started        26 autochk.exe 19->26         started        signatures10 46 Modifies the context of a thread in another process (thread injection) 23->46 48 Maps a DLL or memory area into another process 23->48 28 cmd.exe 1 23->28         started        process11 process12 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Packed.Generic
Status:
Suspicious
First seen:
2022-06-14 08:29:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
13 of 26 (50.00%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:zgtb discovery loader persistence rat spyware stealer suricata
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Modifies file permissions
Reads user/profile data of web browsers
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
606f28f497877961e1a8b219a60b2fc820dc4a6753c66f178e3bf5bdf229d084
MD5 hash:
842d5f977285c6032cf66fd31f145409
SHA1 hash:
c92f69b2db92f3249775ecc9511a3949a6c3072b
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:meth_get_eip
Author:Willi Ballenthin
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 606f28f497877961e1a8b219a60b2fc820dc4a6753c66f178e3bf5bdf229d084

(this sample)

  
Delivery method
Distributed via web download

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