MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c08090499272c9eb85fa61570bfd62799b3c3bd1441b1a86f2720bd03a17dfd5. 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: c08090499272c9eb85fa61570bfd62799b3c3bd1441b1a86f2720bd03a17dfd5
SHA3-384 hash: 0de5b7be9ac76be5d960aa8a12fcaf2152d63299d58c44e81bb1a30c54f6c4c8ec0429efaee6c963844036d2b5c7908d
SHA1 hash: 90c89c8b8643533d5f4c68fbe8ac851739cc84b8
MD5 hash: f351838b3712296ef57231dc2a375199
humanhash: hawaii-one-missouri-london
File name:doc.exe
Download: download sample
Signature Formbook
File size:1'061'888 bytes
First seen:2022-03-10 15:37:34 UTC
Last seen:2022-03-10 17:52:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:rmBUxQQlO7hRiUKpDvwkuG59Jst4V0mQ1B:rmBLL/iUK9wpT
Threatray 14'733 similar samples on MalwareBazaar
TLSH T11635DFE1FF0C877EDC14323AC0E944B01EF05E9A2422BF6AAA4D11DC0557ADF5AA752D
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
encrypted
ID:
1
File name:
6635b0ae18d4c64088f89f63840e22bfbc5361df8c1424aa92b8cbd44ac5432d.xlsx
Verdict:
Malicious activity
Analysis date:
2022-03-11 04:00:42 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader 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
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
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
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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.KryptikAGen
Status:
Malicious
First seen:
2022-03-10 10:31:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ld23 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
.NET Reactor proctector
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
e64cf2ea044ab7e29d29310c47c0a063eb3d33fdff06e81333660c1814efc1e6
MD5 hash:
6e04da632dd2a7677f089bfe7879b108
SHA1 hash:
ed3ecdd9068c19647039cee00114dc7a5a16b521
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
8b81c7e8e4d0721ce573130a1756ade47ddc131a7ef9a34389b2767019e84a54
MD5 hash:
90d0aebb31b7f15a769ea591808d1bd1
SHA1 hash:
ef6cafdfafc690a50484459312a45c3bec14d754
SH256 hash:
eb1f52607bf438dcfa42acbbce165470775a8dd9099c25baae77020f15950a23
MD5 hash:
cad0a8049fa7d4033c6f98e07947d810
SHA1 hash:
909f53593062a407fd37640bd6a0910fdf0a5262
SH256 hash:
9b00e2fa33ad72dec22a5e107ab6886da72bbe0bed89a721e877c1dc3ce6a662
MD5 hash:
b4c9c16228f0ee1de70ffc6264fb720c
SHA1 hash:
437049e452a511e220abdb32df695cdf07f5a7d0
SH256 hash:
c08090499272c9eb85fa61570bfd62799b3c3bd1441b1a86f2720bd03a17dfd5
MD5 hash:
f351838b3712296ef57231dc2a375199
SHA1 hash:
90c89c8b8643533d5f4c68fbe8ac851739cc84b8
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