MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3df575156e76cb9cafff48a4a88da1407c15ba32c4917f80c200f683d619f49. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: c3df575156e76cb9cafff48a4a88da1407c15ba32c4917f80c200f683d619f49
SHA3-384 hash: 0c504018ffb431ef95c77f9434a3ee589b449a7d0a2c1d54d22aed627289bc2c9a8bdc42ca0e9b580432f93b075a76a8
SHA1 hash: 5ff57118a064e4b8c34f4054c3f891ae6920dd84
MD5 hash: 6cacb44af4acdd05f9c269f35d4ddb0c
humanhash: low-five-purple-september
File name:1hFGg0pOFAzASgQ.exe
Download: download sample
Signature Formbook
File size:830'464 bytes
First seen:2021-07-12 12:58:12 UTC
Last seen:2021-07-12 13:56:20 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 12288:lTwx8x+RXXN5GnTOdU+CHpZszpiFgThc1FYzMA+3+u1FOxqZuCuVbNqP71/:lTQ8ERhiiCPTFce5P71
Threatray 6'448 similar samples on MalwareBazaar
TLSH T16E054C2C23BD9609F13BFFB4DF60A6049FE575669729D14E3DD0428E2421E80EE76632
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1hFGg0pOFAzASgQ.exe
Verdict:
Malicious activity
Analysis date:
2021-07-12 13:02:33 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 447265 Sample: 1hFGg0pOFAzASgQ.exe Startdate: 12/07/2021 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Yara detected FormBook 2->44 46 5 other signatures 2->46 9 1hFGg0pOFAzASgQ.exe 3 2->9         started        process3 file4 26 C:\Users\user\...\1hFGg0pOFAzASgQ.exe.log, ASCII 9->26 dropped 48 Tries to detect virtualization through RDTSC time measurements 9->48 50 Injects a PE file into a foreign processes 9->50 13 1hFGg0pOFAzASgQ.exe 9->13         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 13->52 54 Maps a DLL or memory area into another process 13->54 56 Sample uses process hollowing technique 13->56 58 Queues an APC in another process (thread injection) 13->58 16 svchost.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 32 Modifies the context of a thread in another process (thread injection) 16->32 34 Maps a DLL or memory area into another process 16->34 36 Tries to detect virtualization through RDTSC time measurements 16->36 22 cmd.exe 1 16->22         started        28 www.alphagearz.com 19->28 30 alphagearz.com 34.102.136.180, 49727, 80 GOOGLEUS United States 19->30 38 System process connects to network (likely due to code injection or exploit) 19->38 signatures10 process11 process12 24 conhost.exe 22->24         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-12 12:59:06 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.bulverderoofing.com/lt0h/
Unpacked files
SH256 hash:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
SH256 hash:
c313cb909291299241627474658355ff8223d8f040f1ac2148e6c05060aa5739
MD5 hash:
040c67a47d5f9d93c64e7d4eb5fa5200
SHA1 hash:
c7f2b341019c07a09e3e6a54bce66f8253c81c1b
SH256 hash:
2844b05eb5f39b01317d8046c48a5b9f51eb743120f40470a2a0fc3b3a1db458
MD5 hash:
67da00e3a5c1a97223820e13c5c4e682
SHA1 hash:
07eb2b5721f596bedafed40c94f1b5f75e8e07dd
SH256 hash:
c3df575156e76cb9cafff48a4a88da1407c15ba32c4917f80c200f683d619f49
MD5 hash:
6cacb44af4acdd05f9c269f35d4ddb0c
SHA1 hash:
5ff57118a064e4b8c34f4054c3f891ae6920dd84
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 c3df575156e76cb9cafff48a4a88da1407c15ba32c4917f80c200f683d619f49

(this sample)

  
Delivery method
Distributed via e-mail attachment

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