MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c6b6a0d8fe65e6ebc0ed7dc517d539fa5702162fcf3b15fcbfc1c2c74a5fb0d. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c6b6a0d8fe65e6ebc0ed7dc517d539fa5702162fcf3b15fcbfc1c2c74a5fb0d
SHA3-384 hash: 3b803b608e4bc1ff11b3c59433b0af1907c95a012bb131eb42890e450d8719c274e32eceb3bd55d38618991c3b17a0e1
SHA1 hash: e46377033e60a8c14898db88a48990b745977d63
MD5 hash: b3e3fb43e334ac32e489fc24c2611880
humanhash: bluebird-happy-lemon-cardinal
File name:PAYMENT COPY.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:547'328 bytes
First seen:2022-06-21 21:17:46 UTC
Last seen:2022-06-22 05:16:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:2rl8pQcQMw2ZYt8Yg4GcHnzB6UdYIji+mBXjdX7api2c91HTfOZ2qP8NnUjWxHE+:2rl810I4DlLdYbtXO3c91zWZ/PCx
TLSH T148C4E061EEEECDAEC436147C143041400AB2DF8B5643F7CA999DBC799C35B02AAD593B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon b0cf4a4c4c4ccfb0 (31 x Formbook, 20 x RemcosRAT, 18 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282114/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.14053.26427.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b235cbe88d6da4ffba54c3/reports/29aff141-5759-4182-abe4-ab6cb4968221/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cd6616d9-1a30-464d-937d-1bba7122865d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1017508
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Initial sample is a PE file and has a suspicious name
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 submitted file
Performs DNS queries to domains with low reputation
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 650004 Sample: PAYMENT COPY.exe Startdate: 21/06/2022 Architecture: WINDOWS Score: 100 41 www.drivecheckeredflagcdjr.com 2->41 43 www.stanford-edu.club 2->43 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 10 other signatures 2->55 11 PAYMENT COPY.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\...\PAYMENT COPY.exe.log, ASCII 11->33 dropped 14 PAYMENT COPY.exe 11->14         started        process6 signatures7 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Sample uses process hollowing technique 14->71 73 Queues an APC in another process (thread injection) 14->73 17 explorer.exe 14->17 injected process8 dnsIp9 35 www.fxivcama.com 69.57.161.210, 49831, 80 FORTRESSITXUS United States 17->35 37 www.mpmidea.com 154.88.74.155, 49833, 49834, 49835 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 17->37 39 4 other IPs or domains 17->39 45 System process connects to network (likely due to code injection or exploit) 17->45 47 Performs DNS queries to domains with low reputation 17->47 21 cmmon32.exe 1 12 17->21         started        signatures10 process11 signatures12 57 Creates an undocumented autostart registry key 21->57 59 Tries to steal Mail credentials (via file / registry access) 21->59 61 Tries to harvest and steal browser information (history, passwords, etc) 21->61 63 3 other signatures 21->63 24 cmd.exe 2 21->24         started        27 cmd.exe 1 21->27         started        process13 signatures14 65 Tries to harvest and steal browser information (history, passwords, etc) 24->65 29 conhost.exe 24->29         started        31 conhost.exe 27->31         started        process15
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c6b6a0d8fe65e6ebc0ed7dc517d539fa5702162fcf3b15fcbfc1c2c74a5fb0d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 19:31:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrvwudmp4zpg5pao27ofc7ktt6sxailc7tz3cx6l7qocy5ff7mgq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:be3s loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220621-z5k3psdefn/
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
29a0ea3ad44ceaf000f6c225bbeaf0ba92da1d45edfad65591a0f08925495027
MD5 hash:
cecfc7b1143cf5d32802a878eda7438d
SHA1 hash:
8487c33ccf2296d637afbfe93158e4dcc599321d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/495e9492-5857-4620-9efe-bec546732aed/
Parent samples :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 hash:
460822d834d82980dcc60f5d73096e4417df9d3cdfadc9b3090c6ea230519053
MD5 hash:
463518b1915912921a84a91822f97656
SHA1 hash:
b6daa58335ad33e924a2e6066e275e5ed3fc72c9
Link:
https://www.unpac.me/results/495e9492-5857-4620-9efe-bec546732aed/
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
Link:
https://www.unpac.me/results/495e9492-5857-4620-9efe-bec546732aed/
SH256 hash:
668262ce0fbe8dcbf3e2d591d6fb9c1c396ced01f2aabdb6890aaa5cc9e10827
MD5 hash:
7724641aa880c0b9a2e0fd30b62b37d5
SHA1 hash:
a8cdadcd5df2dfcc2726f0449094473573a2e00e
Link:
https://www.unpac.me/results/495e9492-5857-4620-9efe-bec546732aed/
SH256 hash:
4c6b6a0d8fe65e6ebc0ed7dc517d539fa5702162fcf3b15fcbfc1c2c74a5fb0d
MD5 hash:
b3e3fb43e334ac32e489fc24c2611880
SHA1 hash:
e46377033e60a8c14898db88a48990b745977d63
Link:
https://www.unpac.me/results/495e9492-5857-4620-9efe-bec546732aed/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c6b6a0d8fe6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4c6b6a0d8fe65e6ebc0ed7dc517d539fa5702162fcf3b15fcbfc1c2c74a5fb0d

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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 4c6b6a0d8fe65e6ebc0ed7dc517d539fa5702162fcf3b15fcbfc1c2c74a5fb0d

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/282114/

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