MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e53da1978db8519e24fc5d444c894ccb7751c8c701c192c513413debcda4e50. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 8e53da1978db8519e24fc5d444c894ccb7751c8c701c192c513413debcda4e50
SHA3-384 hash: 7e6b15caf847030e1ad6ae3e7e9c06c35eda92c3c9e9b4717a97cf0589849d6213d7ba902d4dd7cb6925e2e6bedce6ea
SHA1 hash: 2dfe7ac129daa1e01a8ff831582da30364fb7ad7
MD5 hash: c899afb65153c6b872ba4f7ae0620be5
humanhash: carolina-item-asparagus-spaghetti
File name:Orden de Compra Urgente MAR22_76543.exe
Download: download sample
Signature Formbook
File size:1'199'616 bytes
First seen:2022-03-07 23:01:44 UTC
Last seen:2022-03-08 00:50:35 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:okG9bmSB/qr5VNkq8gnzKbclsZL6k/kz27m+d/hm2ENrYTccBnO00/JABqmlyAKp:HSxqr58IzKb+k7CNsF0/eQmlWp
Threatray 13'847 similar samples on MalwareBazaar
TLSH T16A456AA63144A2D5D43FDE3129D4D1101BF423CFE20A1EBA607BAAE414636F4B477DEA
File icon (PE):PE icon
dhash icon 8084a48cbc8ce4f8 (44 x Formbook, 20 x AveMariaRAT, 11 x SnakeKeylogger)
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
c899afb65153c6b872ba4f7ae0620be5.exe.vir
Verdict:
Malicious activity
Analysis date:
2022-03-08 01:49:32 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Reading critical registry keys
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-07 23:02:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:i9ng loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
07e17f9ff5d608d7b218ae0e1e5640efb5590e3017a06f4411391be0507eba55
MD5 hash:
ccc6f302dca7cd3f6c139c8b4ac654fa
SHA1 hash:
756804b9ea42e39727c98d7d30df7d4057fc1d96
Detections:
win_formbook_g0
SH256 hash:
00c3bd28f06167b4281597d4b9bc4652f7f2c759023d6481a533b5ad21badd87
MD5 hash:
2902ee3c7645f793403ad101b971e68d
SHA1 hash:
6c4022aac9acc1a84a6e3c3a4406e707538dd03e
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
2d78e076d89c4b9720c5911c8bf32e40b640d057c8546df7839211360e5296a0
MD5 hash:
3c06f2e3c765ba49d0413418fee46244
SHA1 hash:
8fbba7a88a57dd57659c6f42ee844e982187a651
SH256 hash:
d0efe493ec5254b0c1c356bd83de7886decb9fa59bfd5629cbb044a393ea7538
MD5 hash:
9d99b6dfda8d96eb46619c6ec4c49b52
SHA1 hash:
88a0babce0c3236d2d2683a0c3932a017f59f8fa
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
8e53da1978db8519e24fc5d444c894ccb7751c8c701c192c513413debcda4e50
MD5 hash:
c899afb65153c6b872ba4f7ae0620be5
SHA1 hash:
2dfe7ac129daa1e01a8ff831582da30364fb7ad7
Malware family:
XLoader
Verdict:
Malicious
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