MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48c9cebf9a4f71daebd9ccbb9431669d4e9c1f9f1ad181bccc0b0cea59b489db. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
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SHA256 hash: 48c9cebf9a4f71daebd9ccbb9431669d4e9c1f9f1ad181bccc0b0cea59b489db
SHA3-384 hash: 905227779691bd2b9e6940bbf8082a5450c8f1b7801c83dd289ad4f4f7e3c74e6cf68285e7f7f3d83d38145ecd7eb3f4
SHA1 hash: 1267d615dd05f308833ebdc5e53f3ac22b26d53d
MD5 hash: 372dc8c06befddcfdcb321e73a7115df
humanhash: missouri-bulldog-one-north
File name:RFQ#QH211013.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:473'080 bytes
First seen:2021-11-01 01:26:27 UTC
Last seen:2021-11-01 03:10:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ZATCBNgU/gu90lgJPydRk2kenpE7AzjfE4:vBNgW5WlgJPyLkAe7Ic4
Threatray 11'079 similar samples on MalwareBazaar
TLSH T137A4F049F7B9442CED1E087167C6943969FCA3914A22C067BF3AC09FCB013935F9D99A
File icon (PE):PE icon
dhash icon 0c3259796961b24c (12 x RemcosRAT, 11 x Formbook, 6 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ#QH211013.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-11-01 01:27:53 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/408bfabb-1f29-4e72-83d3-717384730787

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.generic.ml.7496.8200.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
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/8ef181a8-7cfb-48fa-8ba0-3c1cc3240f1e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/880094
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 512528 Sample: RFQ#QH211013.pdf.exe Startdate: 01/11/2021 Architecture: WINDOWS Score: 100 36 www.luftfundament.online 2->36 40 Multi AV Scanner detection for domain / URL 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 8 other signatures 2->46 11 RFQ#QH211013.pdf.exe 2 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 11->28 dropped 30 C:\Users\user\...\RFQ#QH211013.pdf.exe.log, ASCII 11->30 dropped 14 RegAsm.exe 11->14         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 2 other signatures 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 32 ns1.874308.com 45.137.10.181, 49815, 80 XNNETUS Netherlands 17->32 34 www.536484.com 17->34 38 System process connects to network (likely due to code injection or exploit) 17->38 21 help.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/48c9cebf9a4f71daebd9ccbb9431669d4e9c1f9f1ad181bccc0b0cea59b489db/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-11-01 01:27:07 UTC
AV detection:
9 of 44 (20.45%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jde45p42j5y5v26zzs5zimlgtvhjyh47dliydpgmbmgouwnurhnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1ee20ec28c5649c69a2cab43e7f7e99d9f6c839cc5ae5ed2e279281682fe3b53
Formbook
36b057fd0a44652f98ea54100f4f485ee743bd00b52400937fbd976a346d3192
Formbook
9404982e0cf941d6103e40246a6689d91be00c03c8d9072e42ebf56bd9080492
Formbook
9d8faf70b5732a7994ea4a5b49e0ee5ada032b0a03e2048de8ffe6da4e66c412
Formbook
cadf6d6a91c8c4e8576468e393638eb7ee477490c5a8a7d0fe9e919b6a6d93ec
Formbook
d6a8c5f4120e3be2e6d676d808dbdadc074f811398ac5b03878baba7275137d4
Formbook
d95ea981292e062e17b671022beaf00ee5c5ad6fbebf092096de7f1ecf27c4c1
Formbook
dcee55c9896715272cfd344a7a62fe6c5dbe0e61d7d8548beeda46c15bd8e07c
Formbook
+ 11'069 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gr1c rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211101-bt4hxaddgl/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.illusiontrick.com/gr1c/
Unpacked files
SH256 hash:
69c4bb6e6d3a50682f5bed090fc0d85e2f316760dcb33616a5b4da0a085bc4bf
MD5 hash:
e0f4e3bb8f985bf035f08b4c716f8a42
SHA1 hash:
d90ca36998b24d6af4727bf69ff4062446f8c53f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1ef7c6d4-a55e-45af-94c7-86e7ccd5bf6c/
Parent samples :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 hash:
711074a87340b7aaf4f06a3bd3cc4bf8be23e76b40174a1d53282de9a9583cb4
MD5 hash:
62a2af17ef8b0b193209418a1b0a4a49
SHA1 hash:
0fa08b59dd2585c16e7e71be8d1173f32aad559c
Link:
https://www.unpac.me/results/1ef7c6d4-a55e-45af-94c7-86e7ccd5bf6c/
SH256 hash:
48c9cebf9a4f71daebd9ccbb9431669d4e9c1f9f1ad181bccc0b0cea59b489db
MD5 hash:
372dc8c06befddcfdcb321e73a7115df
SHA1 hash:
1267d615dd05f308833ebdc5e53f3ac22b26d53d
Link:
https://www.unpac.me/results/1ef7c6d4-a55e-45af-94c7-86e7ccd5bf6c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/48c9cebf9a4f71daebd9ccbb9431669d4e9c1f9f1ad181bccc0b0cea59b489db

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_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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 48c9cebf9a4f71daebd9ccbb9431669d4e9c1f9f1ad181bccc0b0cea59b489db

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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