MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97bd79e26600f552bfb5764aec1606acb63b830b5fefb807d12fe2088854a3cc. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 97bd79e26600f552bfb5764aec1606acb63b830b5fefb807d12fe2088854a3cc
SHA3-384 hash: fd28b521c8818f02a416ddfc9515027a6a88dfcdab159a0080b715ec777b4c375175fc31d08b3a8eafe5ca7171c45acb
SHA1 hash: 1b5e875ad197984688c338a32a48e9f55586c727
MD5 hash: 1c38ce85df492418405fa86fe15d4454
humanhash: kentucky-iowa-artist-oregon
File name:RFQ _91640283482.exe
Download: download sample
Signature Formbook
File size:685'056 bytes
First seen:2023-07-11 09:20:02 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:rN1e3WFJzvaryejslDwhZfsAPg+NEsTd4INX35gS3hPR:66rapj09Ud4IB353x
Threatray 3'415 similar samples on MalwareBazaar
TLSH T1A1E40298A1B40F23D47F9BF8215225301BF8AED5AA22E3854FC630EB6D73B951715353
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 13332f0f0f333333 (3 x AgentTesla, 3 x a310Logger, 1 x Loki)
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
286
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ _91640283482.exe
Verdict:
Malicious activity
Analysis date:
2023-07-11 09:21:10 UTC
Tags:
formbook xloader

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1270707 Sample: RFQ__91640283482.exe Startdate: 11/07/2023 Architecture: WINDOWS Score: 100 33 www.citrixsettlement.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 6 other signatures 2->47 11 RFQ__91640283482.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\RFQ__91640283482.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 RFQ__91640283482.exe 11->15         started        18 RFQ__91640283482.exe 11->18         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 20 explorer.exe 3 1 15->20 injected process9 dnsIp10 35 www.kfpu.store 20->35 37 www.genosync.xyz 20->37 39 2 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 51 Performs DNS queries to domains with low reputation 20->51 24 cmmon32.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-07-11 08:54:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ee2q rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
a103a970a7cd8be0fbe123a6a7abdfe4779a0786fda636fc96673492c4691e7e
MD5 hash:
2f0ec664f81bd7e8e33fd00c238320cc
SHA1 hash:
b0472a4b7f0bc69100a43a24214cf796af2496bb
SH256 hash:
7f0d5eae10f4ea64fab53dfd6dc17bfbd99cd73479ead72310636a184901942a
MD5 hash:
ea25196419beb469f39a382ec4367259
SHA1 hash:
7ee877f85ff053233f4d7e0fc95d8f286b48f4e2
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
a103a970a7cd8be0fbe123a6a7abdfe4779a0786fda636fc96673492c4691e7e
MD5 hash:
2f0ec664f81bd7e8e33fd00c238320cc
SHA1 hash:
b0472a4b7f0bc69100a43a24214cf796af2496bb
SH256 hash:
7f0d5eae10f4ea64fab53dfd6dc17bfbd99cd73479ead72310636a184901942a
MD5 hash:
ea25196419beb469f39a382ec4367259
SHA1 hash:
7ee877f85ff053233f4d7e0fc95d8f286b48f4e2
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
a103a970a7cd8be0fbe123a6a7abdfe4779a0786fda636fc96673492c4691e7e
MD5 hash:
2f0ec664f81bd7e8e33fd00c238320cc
SHA1 hash:
b0472a4b7f0bc69100a43a24214cf796af2496bb
SH256 hash:
7f0d5eae10f4ea64fab53dfd6dc17bfbd99cd73479ead72310636a184901942a
MD5 hash:
ea25196419beb469f39a382ec4367259
SHA1 hash:
7ee877f85ff053233f4d7e0fc95d8f286b48f4e2
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
a103a970a7cd8be0fbe123a6a7abdfe4779a0786fda636fc96673492c4691e7e
MD5 hash:
2f0ec664f81bd7e8e33fd00c238320cc
SHA1 hash:
b0472a4b7f0bc69100a43a24214cf796af2496bb
SH256 hash:
7f0d5eae10f4ea64fab53dfd6dc17bfbd99cd73479ead72310636a184901942a
MD5 hash:
ea25196419beb469f39a382ec4367259
SHA1 hash:
7ee877f85ff053233f4d7e0fc95d8f286b48f4e2
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
97bd79e26600f552bfb5764aec1606acb63b830b5fefb807d12fe2088854a3cc
MD5 hash:
1c38ce85df492418405fa86fe15d4454
SHA1 hash:
1b5e875ad197984688c338a32a48e9f55586c727
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: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.

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