MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3108dc358ffd2e4dbc93fdd1aa4e71b605bceb8ceb14cd31df9b4c796811b77b. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3108dc358ffd2e4dbc93fdd1aa4e71b605bceb8ceb14cd31df9b4c796811b77b
SHA3-384 hash: f32ffa121da45df09fdafbd4f7df86a7845cc89e4575bebaf8b760348f5c09dedd65b9a6603c3dfc5096a5707b8f18b3
SHA1 hash: 3ae41c624f25f782208b06fedfd6600835bc6a43
MD5 hash: 10a8103659aad83e4d7e38aa31c612a4
humanhash: september-cardinal-texas-shade
File name:PAZxQIjeuyCNRXg.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:617'984 bytes
First seen:2024-07-08 06:17:15 UTC
Last seen:2024-07-08 07:20:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:a4Dzsi6OfS7Idp4X1TqTEA5dFr0g3NLr6TMXouP9d2jJ:a4DDLS7/X1TqTp/x3BmHu+J
TLSH T15AD4228137BC5F23D53A7ABC542506740F78DA2722A2D3CCAD8920DA5D167C9CE12F6B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 00004000d0c06800 (4 x Formbook, 2 x RemcosRAT, 1 x AsyncRAT)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
376
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3108dc358ffd2e4dbc93fdd1aa4e71b605bceb8ceb14cd31df9b4c796811b77b.exe
Verdict:
No threats detected
Analysis date:
2024-07-08 06:18:20 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/25aee665-d9ef-42aa-8ad1-a1701c380c9c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.2136.261.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668b849b27fa347bfaae817awin10vpnfull_triage
Tags:
Network Stealth Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/668b849dfa6ffdddde46d7ff/reports/8a2bf4c0-1376-4488-acc9-bc4669576d49/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3108dc358ffd2e4dbc93fdd1aa4e71b605bceb8ceb14cd31df9b4c796811b77b
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/65219984-df1f-453c-88f5-ac7faa6bcc96
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1468898
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
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 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
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1468898 Sample: PAZxQIjeuyCNRXg.exe Startdate: 08/07/2024 Architecture: WINDOWS Score: 100 31 www.mrwine.xyz 2->31 33 www.sdplat.media 2->33 35 10 other IPs or domains 2->35 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 51 10 other signatures 2->51 11 PAZxQIjeuyCNRXg.exe 3 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 31->49 process4 file5 29 C:\Users\user\...\PAZxQIjeuyCNRXg.exe.log, ASCII 11->29 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Switches to a custom stack to bypass stack traces 11->65 15 PAZxQIjeuyCNRXg.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 2 other signatures 15->73 18 explorer.exe 88 1 15->18 injected process9 dnsIp10 37 www.cpuk-finance.com 185.151.30.212, 49724, 80 TWENTYIGB United Kingdom 18->37 39 www.profitablefxmarkets.com 66.23.226.51, 49720, 80 IS-AS-1US United States 18->39 41 7 other IPs or domains 18->41 53 System process connects to network (likely due to code injection or exploit) 18->53 22 explorer.exe 18->22         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 61 Switches to a custom stack to bypass stack traces 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3108dc358ffd2e4dbc93fdd1aa4e71b605bceb8ceb14cd31df9b4c796811b77b
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3108dc358ffd2e4dbc93fdd1aa4e71b605bceb8ceb14cd31df9b4c796811b77b/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
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Status:
Malicious
First seen:
2024-07-08 03:34:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=geenynmp7uxe3pet7xi2uttrwyc3z24m5mkm2mo7tnghs2arw55q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:dy13 rat spyware stealer trojan
Link:
https://tria.ge/reports/240708-g2lkyswenp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/10e0da07-586f-4714-b0f5-65b345402c35
Unpacked files
SH256 hash:
cab4d725121ede8a40aac7d8a75e868f2a3fee4bca06960c2ef0794d97782317
MD5 hash:
2eeb33931c6debef2a6171982e3c8cef
SHA1 hash:
0f34ac4a440dd27aec13deffa213d805629fa176
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/bfd20e21-3402-481e-af2e-fe8b82ad3819/
Parent samples :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 hash:
94359debe1462bde835aeba36dc85165afc70db05887a94f49e60d54ae4f0124
MD5 hash:
04f84d7ed29563f24066adbbd4d91144
SHA1 hash:
cea4adad2b579b6e82b4e1a4b36ebc4b1f370a3b
Link:
https://www.unpac.me/results/bfd20e21-3402-481e-af2e-fe8b82ad3819/
SH256 hash:
aa0aaff06776270e0429523524a05e5e2e972c3ebc53f79a573181feb5159611
MD5 hash:
4d1378955cc9ca9d6544240524236eb4
SHA1 hash:
38350cf018a0b27fd593c4614b510d139a82700a
Link:
https://www.unpac.me/results/bfd20e21-3402-481e-af2e-fe8b82ad3819/
SH256 hash:
ecf1257cb2839319c722daf5323ba2ed7060368b46f84610b6b6823323297826
MD5 hash:
cba51dcdec84ac14ce1eaf2ede86f28b
SHA1 hash:
2e77e64525600817d96b4d9c497135c989e608ee
Link:
https://www.unpac.me/results/bfd20e21-3402-481e-af2e-fe8b82ad3819/
SH256 hash:
3108dc358ffd2e4dbc93fdd1aa4e71b605bceb8ceb14cd31df9b4c796811b77b
MD5 hash:
10a8103659aad83e4d7e38aa31c612a4
SHA1 hash:
3ae41c624f25f782208b06fedfd6600835bc6a43
Link:
https://www.unpac.me/results/bfd20e21-3402-481e-af2e-fe8b82ad3819/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3108dc358ffd2e4dbc93fdd1aa4e71b605bceb8ceb14cd31df9b4c796811b77b

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 3108dc358ffd2e4dbc93fdd1aa4e71b605bceb8ceb14cd31df9b4c796811b77b

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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