MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3004a946bcf2e7b396a75d00db10dee9dcd0881cc197d9294a171ad3d882349. 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 4 File information Comments

SHA256 hash: e3004a946bcf2e7b396a75d00db10dee9dcd0881cc197d9294a171ad3d882349
SHA3-384 hash: 02ded6ce066523232ee794cf9da92af46544fb8b08a2db0a3a0cc352f359809e33e7e4f28bd9805157128d661297f61e
SHA1 hash: 9da42e0853e6a75b8132eab7e489e7c0f05633c2
MD5 hash: b173d94c219dea79337a5f2539b870e5
humanhash: social-oven-twenty-early
File name:OFFER.exe
Download: download sample
Signature Formbook
File size:503'296 bytes
First seen:2022-03-14 15:01:31 UTC
Last seen:2022-03-14 16:57:44 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:dOERUcZ642EM0bApAY1UyNR/TgwOMtA+NF/hmpvNpuw16D:wuUubAyYyyHhjtmp/uJ
Threatray 14'707 similar samples on MalwareBazaar
TLSH T1A1B4D025F2289AD1D96DD77884209428DFE6F32AC31FE1682CB7749E00B2BCB4B55D17
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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 very large strings
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-03-14 14:28:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:gire 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:
9030d789a2d038fa2e262c4bce70239536a98f67548594b803e9d135e07cdbbe
MD5 hash:
c0eca8ca077d7554cc7deca1b81e484f
SHA1 hash:
0b6995819bb257449589953f6cb2b2d3268c1f93
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
e81a8abb8ff94a1461bf56cd16209649970c3d9249ad457384c78340a5952bfd
MD5 hash:
ff5975e73f4cf251618fbacc2ff89992
SHA1 hash:
3682711916a8394edc5c4e32fb1095a032c39e52
SH256 hash:
e3004a946bcf2e7b396a75d00db10dee9dcd0881cc197d9294a171ad3d882349
MD5 hash:
b173d94c219dea79337a5f2539b870e5
SHA1 hash:
9da42e0853e6a75b8132eab7e489e7c0f05633c2
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments