MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbc54ed4aa341e292b3dc9ef58e10988a095dc913ace5ac4bf6e93e48dd96fe3. 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 4 File information Comments

SHA256 hash: cbc54ed4aa341e292b3dc9ef58e10988a095dc913ace5ac4bf6e93e48dd96fe3
SHA3-384 hash: 91926c7e7cec94e848bdc4e1395ef400eda5ec38425f35672c7d9c5869d5dc3ce17cf8d097b9535879677784e4bb1330
SHA1 hash: 5f6301dd7fe786ddd2c7ae213635a626a3dfbc23
MD5 hash: 4992990c504527cc20f14341a6801a87
humanhash: eleven-arizona-batman-low
File name:4992990c504527cc20f14341a6801a87.exe
Download: download sample
Signature Formbook
File size:684'032 bytes
First seen:2022-11-23 17:55:54 UTC
Last seen:2022-11-23 19:33:24 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 12288:LUKkxMf9BlDyH7OJYyKTEcGsAGvU6u7WYrpBD6EMF3kUIqj:YMfRD27Oey5cbhU6jEWFI
Threatray 1'557 similar samples on MalwareBazaar
TLSH T10DE412053AC81306C8D854F982EF097103E65EC2937396967F597BC908033E6AE97EDE
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
453
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Inquiry for Sincola Machinery Co.,Ltd.js
Verdict:
Malicious activity
Analysis date:
2022-11-23 14:25:57 UTC
Tags:
formbook trojan stealer

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

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed regsvcs.exe
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 752685 Sample: q4Afv8Ys7x.exe Startdate: 23/11/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 7 other signatures 2->38 8 q4Afv8Ys7x.exe 1 2->8         started        process3 file4 22 C:\Users\user\AppData\...\q4Afv8Ys7x.exe.log, CSV 8->22 dropped 48 Writes to foreign memory regions 8->48 50 Allocates memory in foreign processes 8->50 52 Injects a PE file into a foreign processes 8->52 12 RegSvcs.exe 8->12         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 15 explorer.exe 12->15 injected process8 dnsIp9 24 www.hnsmhbkj.com 154.208.150.147, 49725, 49726, 49728 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 15->24 26 www.snzbx.com 23.82.252.195, 49732, 49733, 49734 LEASEWEB-USA-LAX-11US United States 15->26 28 3 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 control.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Modifies the context of a thread in another process (thread injection) 19->44 46 Maps a DLL or memory area into another process 19->46
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-11-23 05:41:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 41 (56.10%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:tpd2 rat spyware stealer trojan
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
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Formbook
Unpacked files
SH256 hash:
08dc131daa003bfef9743c47cc6707bdcfbf880795eb9f7f26f51b389e357afd
MD5 hash:
014cc98f0e3e039ec235d577ec2d459f
SHA1 hash:
dd5b12b49e99986a680d7cfa2b3b79714f03f68e
SH256 hash:
8dece564d150452c6d9da766fc891c95a63accc4d1a5e09aa6f6ba15256860e2
MD5 hash:
1cafe62db4f494317cbfff0a2d17e3bb
SHA1 hash:
40c1437090ee9795aceceb6e6a8b03eb2e3b93db
SH256 hash:
cbc54ed4aa341e292b3dc9ef58e10988a095dc913ace5ac4bf6e93e48dd96fe3
MD5 hash:
4992990c504527cc20f14341a6801a87
SHA1 hash:
5f6301dd7fe786ddd2c7ae213635a626a3dfbc23
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:BAZT_B5_NOCEXInvalidStream
Rule name:NETDIC208_NOCEX_NOREACTOR
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 cbc54ed4aa341e292b3dc9ef58e10988a095dc913ace5ac4bf6e93e48dd96fe3

(this sample)

  
Delivery method
Distributed via web download

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