MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 592c78e1e6520240a3c32c81aae504ce05a1b66a032ac0056c7fbcac9d3a4150. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 592c78e1e6520240a3c32c81aae504ce05a1b66a032ac0056c7fbcac9d3a4150
SHA3-384 hash: 243646279b062eb87ab37ff93710e9de7f6df0276e3a8cc116a5a17243905ca52f5938586f9e851270cd029eff38f3ac
SHA1 hash: 9c8b11524ccaf791ed7ae6f6791846826335dbb7
MD5 hash: 7c6ee2eb65836e74b45c3da1f6b3aef1
humanhash: bravo-fix-mountain-quebec
File name:SecuriteInfo.com.Trojan.Siggen16.5769.27257.14368
Download: download sample
Signature Formbook
File size:471'149 bytes
First seen:2021-12-14 04:37:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:K9TODqJwipEN0bKWdMjF5A+XqOeG0OAdJ+Sf+gwNTwA:WfpEubKxjjA+a9SAH+OflA
TLSH T180A423087BD3A5B3DB598E34A0B4D3ADDFFDE23532A89E49CB141D2C2703BA25985345
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CCF08122021_00000.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-13 16:35:09 UTC
Tags:
exploit CVE-2017-11882 trojan formbook 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
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay packed
Result
Verdict:
MALICIOUS
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:
92 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2021-12-13 16:47:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b28i rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.stefanomercedes.com/b28i/
Unpacked files
SH256 hash:
592c78e1e6520240a3c32c81aae504ce05a1b66a032ac0056c7fbcac9d3a4150
MD5 hash:
7c6ee2eb65836e74b45c3da1f6b3aef1
SHA1 hash:
9c8b11524ccaf791ed7ae6f6791846826335dbb7
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 592c78e1e6520240a3c32c81aae504ce05a1b66a032ac0056c7fbcac9d3a4150

(this sample)

  
Delivery method
Distributed via web download

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