MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 987c22e1dc325066b45d0e996d8c0b4ff9fd3cc96f814e41ae0f80914b6b81e5. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 987c22e1dc325066b45d0e996d8c0b4ff9fd3cc96f814e41ae0f80914b6b81e5
SHA3-384 hash: 58aa62c66a21e0c35c75f4183a63b74299e17ee723b0dcd39a701c8bfe113051593f2d9ead8bd2890a749423d7b70317
SHA1 hash: 4a4931d07fe04e790afef31f80bba71a5372baa6
MD5 hash: be9a7e567eaf6af1c7d42aadadbaf6e9
humanhash: zulu-tennessee-bacon-white
File name:be9a7e567eaf6af1c7d42aadadbaf6e9
Download: download sample
Signature Formbook
File size:458'240 bytes
First seen:2022-07-14 04:16:26 UTC
Last seen:2022-07-15 03:12:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:cByD8j+XMpigh/gyRhclXZxFyE2w6aGpTpbIG6MMxfQz3/hP2cdjt+SrAu/CM:cM4j+mgyT2NupTpbJMyFZtfAc
TLSH T18CA4121CA31CEA3FCB4DA5BEA452151A07F0E230A513F3D41EA869E3478EBD45B46763
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter openctibr
Tags:exe FormBook OpenCTI.BR Sandboxed

Intelligence


File Origin
# of uploads :
2
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Snort IDS alert for network traffic
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
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 663496 Sample: 6FFyj2KbVc Startdate: 14/07/2022 Architecture: WINDOWS Score: 100 33 www.grocits.com 2->33 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 9 other signatures 2->43 11 6FFyj2KbVc.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\6FFyj2KbVc.exe.log, ASCII 11->31 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 6FFyj2KbVc.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.wairoha.com 154.94.136.152, 49799, 80 ROOTNETWORKSUS Seychelles 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 svchost.exe 18->22         started        25 autochk.exe 18->25         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.Olock
Status:
Malicious
First seen:
2022-06-18 00:22:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n9e0 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader payload
Xloader
Unpacked files
SH256 hash:
6cd7b74a7cfc9f882cf52200b45f09cdf34c5621b574c4be25014ffa86dc077b
MD5 hash:
342b8528beb1d4eb1549bd4ffea28607
SHA1 hash:
f51ca410ac72e7425b9c0d3e85809e411635d837
SH256 hash:
84238dc32dc2c72716d7233f509b43a45617e2a24ca07eecda58ae37a704b90b
MD5 hash:
1d6115ad56b1707c8afa1a65f22afc96
SHA1 hash:
58cbf25298e84cf9d91da78ae370ac5ddbb2c3fd
SH256 hash:
27f445b865a6c2c5264ddb2ac333e43a3a564a48a03bd8b6a2dc5686eb0c4dbf
MD5 hash:
fdda1c75c2dc1410fd7ddf4ae0e68b8a
SHA1 hash:
2cbff1232fc2ec8c20f672f61339d9f9b9600dff
SH256 hash:
987c22e1dc325066b45d0e996d8c0b4ff9fd3cc96f814e41ae0f80914b6b81e5
MD5 hash:
be9a7e567eaf6af1c7d42aadadbaf6e9
SHA1 hash:
4a4931d07fe04e790afef31f80bba71a5372baa6
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.

Web download

Formbook

Executable exe 987c22e1dc325066b45d0e996d8c0b4ff9fd3cc96f814e41ae0f80914b6b81e5

(this sample)

  
Delivery method
Distributed via web download

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