MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 452d0b533d6269e64c54982fbe5e07ad2f20e113650d559829b27135d8adc285. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 452d0b533d6269e64c54982fbe5e07ad2f20e113650d559829b27135d8adc285
SHA3-384 hash: 8d1fc4c0357b0b38d1bfb5a6a30cee644da69f06dea13a1e8e8657199816e3158b5ff9ee7e6f283dd1548ecde03efc90
SHA1 hash: c0e268faaf8542c4660ca1b582d9c1864a0b2742
MD5 hash: d53524ccb9d9323434e788f64b194d6b
humanhash: timing-uncle-hamper-victor
File name:5092134.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:112'128 bytes
First seen:2022-04-05 10:43:47 UTC
Last seen:2022-04-05 13:51:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 3072:KK4ry8o05lhUqrAMgTPA1p8Dja+auDOLQyDl9hF0O4ru6ZQY7j1lQ7wXVA0+sUOL:KK9Cvp4l
Threatray 14'611 similar samples on MalwareBazaar
TLSH T1D9B30F90E90DACD9E7D8C1B3B93A9B100575BBDB92F8819F2265371456B37C320B7D0A
File icon (PE):PE icon
dhash icon e4a4a48c96b2f074 (22 x AgentTesla, 8 x Formbook, 5 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/260913/
Detection(s):
SecuriteInfo.com.generic.ml.14567.17200.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/624c1d7adb9ca5cf8423f245/reports/c142f8dc-edb7-4f23-9b3e-64c010fb7c1d/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5e49a421-4f07-47c0-914e-0237bee4fb53
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/970754
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 603241 Sample: 5092134.exe Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 8 other signatures 2->43 10 5092134.exe 15 4 2->10         started        process3 dnsIp4 35 amtechprinting.com 64.188.2.244, 443, 49738 ASN-QUADRANET-GLOBALUS United States 10->35 33 C:\Users\user\AppData\...\5092134.exe.log, ASCII 10->33 dropped 51 Writes to foreign memory regions 10->51 53 Injects a PE file into a foreign processes 10->53 15 MSBuild.exe 10->15         started        18 cmd.exe 1 10->18         started        file5 signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 2 other signatures 15->61 20 explorer.exe 15->20 injected 22 conhost.exe 18->22         started        24 timeout.exe 1 18->24         started        process9 process10 26 wlanext.exe 20->26         started        signatures11 45 Modifies the context of a thread in another process (thread injection) 26->45 47 Maps a DLL or memory area into another process 26->47 49 Tries to detect virtualization through RDTSC time measurements 26->49 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/452d0b533d6269e64c54982fbe5e07ad2f20e113650d559829b27135d8adc285/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-05 10:44:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iuwqwuz5mju6mtcutax34xqhvuxsbyitmugvlgbjwjytlwfnykcq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0d072a60b433f330d2ba97d75eae7af07e9d75bc6ed5b1065287661d05e82ab6
Formbook
1d5e0028a025d76c09fbf798a8a3311ed7477c985b16ae8078b110e762778154
Formbook
5f3980e6686fe4d2dc41f24e42287d082cc894a57078e69e4a9554bec20ff5cc
Formbook
67db5982545c91192a7c4fcaa3cbe5324de3e69faa1af275b05926d80eda889d
Formbook
6d1ae3278059d592ae7c4426df9456553b8abfbc3bd90ce0f8d1792e94ae95c2
Formbook
8392408d685d10ddf024a7e4f47976e03a00fd787bd4ee0932766c4b9b278bc0
Formbook
c652919676cc6f3ea808c6e1023de343d27ed8f72f4f1b94523c4ecfb09bf223
Formbook
d8b05baee601302f22a561d0686689994296a4fa6ce256bcedb9bfa899553c07
Formbook
e638074622767c226f5cdb70802da5b362d775d9eeffb5b69fc372a9b721225d
Formbook
+ 14'601 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/220405-msswkaded4/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
452d0b533d6269e64c54982fbe5e07ad2f20e113650d559829b27135d8adc285
MD5 hash:
d53524ccb9d9323434e788f64b194d6b
SHA1 hash:
c0e268faaf8542c4660ca1b582d9c1864a0b2742
Link:
https://www.unpac.me/results/d29d0550-6fd2-4f3b-89b2-8317f791ce21/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/452d0b533d62/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/452d0b533d6269e64c54982fbe5e07ad2f20e113650d559829b27135d8adc285

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_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.

Malspam

Formbook

Executable exe 452d0b533d6269e64c54982fbe5e07ad2f20e113650d559829b27135d8adc285

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/260913/

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