MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de4f5d7be84c3a10afa75bd2463a7c2958afc54300f88962f8e069d121752796. 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 7 File information Comments
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SHA256 hash: de4f5d7be84c3a10afa75bd2463a7c2958afc54300f88962f8e069d121752796
SHA3-384 hash: c5387ca67e1e9f92c0a5f5e0b3de46d86ef2e6b79dbde68e1e703a1e312fb20f53642fec8e0b89c89680dfae753a8456
SHA1 hash: 1cdc56faad7c822c9a05ce9dccf24484b9d34eef
MD5 hash: 881b9f84ea0f643a24ae6589f0ff94ee
humanhash: echo-oscar-illinois-finch
File name:SecuriteInfo.com.W32.AIDetectNet.01.871.27087
Download: download sample
Signature Formbook
Create hunting rule
File size:477'696 bytes
First seen:2022-05-09 12:41:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:wuz2rqsGyQp+42sVgB9YcACwsbez/gavFRQA/NYm6e1F5T2Wv+5S0hYmuQ4pf:wuKfQpPpVgH0JrFRhYmb1v+YvQ4pf
Threatray 11'249 similar samples on MalwareBazaar
TLSH T181A45D2C3B060A66EC1E93389D5D0A05FFA64B4372C0F99757CB15CACB4F4666EA5CC8
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e884030dcedeb4e8 (52 x AgentTesla, 20 x Loki, 6 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.871.27087
Verdict:
Malicious activity
Analysis date:
2022-05-09 12:41:53 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/30ce4efb-8e48-48f2-8e9a-be8c74a8d25b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.871.27087.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62790c2640f9dd937eeaf5e9/reports/db8039fb-8e8b-426c-b787-2401610da7b0/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df1e50d9-de8e-47e6-9203-983dc67bf357
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990162
Signature
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found 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
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 622658 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 09/05/2022 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 4 other signatures 2->33 10 SecuriteInfo.com.W32.AIDetectNet.01.871.exe 2 2->10         started        process3 signatures4 41 Writes to foreign memory regions 10->41 43 Tries to delay execution (extensive OutputDebugStringW loop) 10->43 45 Injects a PE file into a foreign processes 10->45 47 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->47 13 vbc.exe 10->13         started        process5 signatures6 49 Modifies the context of a thread in another process (thread injection) 13->49 51 Maps a DLL or memory area into another process 13->51 53 Sample uses process hollowing technique 13->53 55 2 other signatures 13->55 16 explorer.exe 13->16 injected process7 process8 18 colorcpl.exe 16->18         started        signatures9 35 Modifies the context of a thread in another process (thread injection) 18->35 37 Maps a DLL or memory area into another process 18->37 39 Tries to detect virtualization through RDTSC time measurements 18->39 21 cmd.exe 1 18->21         started        23 explorer.exe 1 148 18->23         started        process10 process11 25 conhost.exe 21->25         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/de4f5d7be84c3a10afa75bd2463a7c2958afc54300f88962f8e069d121752796/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-05-09 09:34:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
49
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3zhv267ijq5bbl5hlpjemot4ffmk7rkdad4isyxy4bu5cilve6la._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
61ee0cca6d45766ecfedcfafba7f2e57d8fc2f4ee9b42bce3e7ffe5848c071f9
Formbook
a9f8ff439d6cf51c60a5f9bba3653ea480fa72249562e11d6bc03bda8e672f5d
Formbook
bcb97b3cbfe72dac8416a224ddb03a17ccba79da52872c6f5fcb13b93b43a247
Formbook
c8352baa0192f9bdbf7b0d47d76f9b592ba602ea001fdc21e281899eb3209a6c
Formbook
ce7d3bdad0d089583e735635f3d475e11dde86d0ad1c76d8735085a9ec031d96
Formbook
df1510f64189b49ffeb4630c74af81a86888114102b493f52b5ad1c1cb58d121
Formbook
e913d576e64c61f0fd94309e27a65a91f3418aae1914106ad0abc21745098428
Formbook
+ 11'239 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:mrw6 loader rat suricata
Link:
https://tria.ge/reports/220509-pxbtysgaan/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
b8178155c3917908387f5b2b9a5312f8222bc02824c433425d289c28195263bb
MD5 hash:
b783cfeb62a934e06ca18e8c55aa1c71
SHA1 hash:
c975e408a3c3906898cea818ffd93cd499197504
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/805f9c84-1b84-429b-ba4d-d99412a2ae62/
Parent samples :
de4f5d7be84c3a10afa75bd2463a7c2958afc54300f88962f8e069d121752796
01395e90d0c8ad1f209e098302edb7f9082529b52208bbd08eb78a6a09760c73
979a8054b45d09d2c01a9e888e836a4452f4435dce06dd03be67e2b2ff30926d
b85f6d4936a285f58b3902ada91915d91652aa45fd2fa774ce73f8f8e48f0ede
33689ab240c55ef3eb149bd364c2e1c0e655b35ffcca42363033ca3e492b5f32
SH256 hash:
de4f5d7be84c3a10afa75bd2463a7c2958afc54300f88962f8e069d121752796
MD5 hash:
881b9f84ea0f643a24ae6589f0ff94ee
SHA1 hash:
1cdc56faad7c822c9a05ce9dccf24484b9d34eef
Link:
https://www.unpac.me/results/805f9c84-1b84-429b-ba4d-d99412a2ae62/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/de4f5d7be84c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/de4f5d7be84c3a10afa75bd2463a7c2958afc54300f88962f8e069d121752796

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:INDICATOR_EXE_Packed_Babel
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

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