MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd5ca223f31f19c9f72102f04c8dcbc6ef6514aa02fefc0b8a937b16ef55cb3a. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd5ca223f31f19c9f72102f04c8dcbc6ef6514aa02fefc0b8a937b16ef55cb3a
SHA3-384 hash: 30ef5dd71db365438150fac889cf574f6414782534ce6ab8ac2dcb24bf32825bbc28deaa371f7a2448bd8f1ce57b4367
SHA1 hash: 69ace8924d73d722ba772af235fcd78a98821fb3
MD5 hash: 52a4602da021d95b924bfe5534d8dd50
humanhash: helium-uranus-enemy-enemy
File name:PAYMENT UPDATE.jpg.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:1'108'480 bytes
First seen:2021-03-16 11:56:27 UTC
Last seen:2021-03-16 13:40:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:DoVaoCYxqt/tei9KzJmW1aKAhGdoNDl2Vb6SWn1mVteRnslY081WobFKw:DdexakuKVDWh88DcIYXmslRwZKw
Threatray 4'200 similar samples on MalwareBazaar
TLSH 41357A22E694AB34F07C37368870577192FEAC029622D6BE7C9535CC84B2AD541F3E76
Reporter cocaman
Tags:FormBook INVOICE scr

Intelligence

File Origin
# of uploads :
2
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PAYMENT UPDATE.jpg.scr
Verdict:
Suspicious activity
Analysis date:
2021-03-16 11:59:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/86aca72e-d523-4ff0-8933-0ad743ea8598

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.15289.3599.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/84543630-9e6d-4b73-8dd1-7d6470304c2b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/640682
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 369315 Sample: PAYMENT UPDATE.jpg.scr Startdate: 16/03/2021 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 11 other signatures 2->48 10 PAYMENT UPDATE.jpg.exe 3 2->10         started        process3 file4 34 C:\Users\user\...\PAYMENT UPDATE.jpg.exe.log, ASCII 10->34 dropped 58 Injects a PE file into a foreign processes 10->58 14 PAYMENT UPDATE.jpg.exe 10->14         started        17 PAYMENT UPDATE.jpg.exe 10->17         started        19 PAYMENT UPDATE.jpg.exe 10->19         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 21 explorer.exe 14->21 injected process8 dnsIp9 36 www.wwwgocashwire.com 107.149.184.107, 49731, 80 PEGTECHINCUS United States 21->36 38 www.thejosephnashvilletn.com 172.67.220.218, 49729, 80 CLOUDFLARENETUS United States 21->38 40 4 other IPs or domains 21->40 50 System process connects to network (likely due to code injection or exploit) 21->50 25 NETSTAT.EXE 21->25         started        28 autofmt.exe 21->28         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 25->52 54 Maps a DLL or memory area into another process 25->54 56 Tries to detect virtualization through RDTSC time measurements 25->56 30 cmd.exe 1 25->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bd5ca223f31f19c9f72102f04c8dcbc6ef6514aa02fefc0b8a937b16ef55cb3a/
Threat name:
ByteCode-MSIL.Trojan.Malrep
Create hunting rule
Status:
Malicious
First seen:
2021-03-16 11:53:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xvokei7td4m4t5zbalyezdoly3xwkffkal7pyc4ksn5rn32vzm5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
229e96e1a3477d1153de8104751eca8b433669d7e80713530a9668909c07918b
Formbook
5956f2c88cbbb0b5d84c8e074cb7a784688d30b367e22b62b62192d1dec597d7
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
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aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
b47a61d16376e7b825ec4b7eaa988247644b49ecbe80164b83424a65c014cc05
Formbook
b7d74de8e9514ca3fbfa4676be4433069bc913f86953a79d40c6272d5077242c
Formbook
c4b88f2cd48afe278bcaa30561bfc0390f96ec9660f9790108b03feee44ad75b
Formbook
f39b9e8c4a9aa6d8cd9f069e8a8ee81a3f666e07071f2b4673aa42633026736c
Formbook
f782d415e7975acdf521b8a92ceb1e1f5c51c030dfdfdf5d798ad381003ed1bf
Formbook
+ 4'190 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210316-2pvhvg9nkx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.the-techs.info/chue/
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
Link:
https://www.unpac.me/results/75edcda7-415e-474a-9af8-cbe4bb292952/
SH256 hash:
bd5ca223f31f19c9f72102f04c8dcbc6ef6514aa02fefc0b8a937b16ef55cb3a
MD5 hash:
52a4602da021d95b924bfe5534d8dd50
SHA1 hash:
69ace8924d73d722ba772af235fcd78a98821fb3
Link:
https://www.unpac.me/results/75edcda7-415e-474a-9af8-cbe4bb292952/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bd5ca223f31f19c9f72102f04c8dcbc6ef6514aa02fefc0b8a937b16ef55cb3a

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar 161cc9966bcb4457ca9f12429a13875d56f036853526bb6ba758470ca18b98fd

Formbook

Executable exe bd5ca223f31f19c9f72102f04c8dcbc6ef6514aa02fefc0b8a937b16ef55cb3a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 161cc9966bcb4457ca9f12429a13875d56f036853526bb6ba758470ca18b98fd

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