MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6675306091a31aea5c6588128363e949b41e10471c8a7de466c51e4eddc2f193. 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: 6675306091a31aea5c6588128363e949b41e10471c8a7de466c51e4eddc2f193
SHA3-384 hash: abd83324db62b921234136056fc5673507a14f37e196d3ea6352195f41a74e2d30fa90707f0fd61f76d031f1441374cf
SHA1 hash: f89044aff45c9b9621e05b3fc8d3818cb2fa7dde
MD5 hash: 4b5c6c068b43d865ca58dff75a8584e1
humanhash: maine-twenty-west-missouri
File name:6675306091a31aea5c6588128363e949b41e10471c8a7de466c51e4eddc2f193
Download: download sample
Signature Formbook
File size:1'220'096 bytes
First seen:2022-10-07 12:26:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:8s2iNf2iNUc1b7mHXdj3gt9i6CBGkw2ye+hqY6eJw721i2+XrPpET70nADqjJ5ng:L1F1ucUVQyr+e+8Y6eJVYXyQjrvoho
Threatray 19'280 similar samples on MalwareBazaar
TLSH T1D845175831E672AEE467C6B58FD87CF9E9A5F572531B10B3606302898B1ED47CF900B2
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon c030dcdcdcdc30c0 (4 x AgentTesla, 1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
formbook 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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 705163 Sample: PO#160942.exe Startdate: 19/09/2022 Architecture: WINDOWS Score: 100 31 www.angleinvestmentnetwork.us 2->31 35 Multi AV Scanner detection for domain / URL 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 7 other signatures 2->41 9 PO#160942.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\PO#160942.exe.log, ASCII 9->23 dropped 51 Detected unpacking (changes PE section rights) 9->51 53 Detected unpacking (overwrites its own PE header) 9->53 55 Injects a PE file into a foreign processes 9->55 13 PO#160942.exe 9->13         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 16 explorer.exe 13->16 injected process9 dnsIp10 25 iceboring.com 66.235.200.146, 49715, 80 CLOUDFLARENETUS United States 16->25 27 katiebrownsblog.com 66.235.200.147, 49716, 49717, 49721 CLOUDFLARENETUS United States 16->27 29 2 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 20 msiexec.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Deletes itself after installation 20->47 49 2 other signatures 20->49
Threat name:
Win32.Trojan.Tiggre
Status:
Malicious
First seen:
2022-09-18 15:02:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fuyb rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a464bac990b64a3213cc695f03a1e8b9ce0854f2a4f817a5754db670fa07b4ef
MD5 hash:
17223cf10af8f309dbe151b626d4ae64
SHA1 hash:
dd4fd5beef95a34c0809ca54ed58eb26ac1c3b76
SH256 hash:
48241b20fdac8105cfea48a1959bc406b84fc516a02c1aafbf434f68f61530c7
MD5 hash:
09ff592daf4e0fa16bff502c631a89a5
SHA1 hash:
60a49d735b92dff7393d5896a07832a317b82902
SH256 hash:
6a80592a8aab7c54c9563e2f3bf5cdb78efb907f38b3729f3ecd9e1a6de88bc3
MD5 hash:
3de8e94e0ab6d9ed16d8dcb0f3d7a62b
SHA1 hash:
b68ad51312004163e10c0c800ad747c393c6feac
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
SH256 hash:
6675306091a31aea5c6588128363e949b41e10471c8a7de466c51e4eddc2f193
MD5 hash:
4b5c6c068b43d865ca58dff75a8584e1
SHA1 hash:
f89044aff45c9b9621e05b3fc8d3818cb2fa7dde
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.

Comments