MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5e95ee8d1974c95a7346aaef53105fa6fd3eb6aea2e85e1e00e4d8f4052f26d. 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 4 File information Comments

SHA256 hash: a5e95ee8d1974c95a7346aaef53105fa6fd3eb6aea2e85e1e00e4d8f4052f26d
SHA3-384 hash: 9ad37d1da6cc530eecfeae4efef64c7865d98baff5a8060ff0433963258f81e88168ac8a2841414cb62ebdf96a8e9014
SHA1 hash: 3fa7baade00fbc0037db5f83b4be06d8c365f3c9
MD5 hash: 11c681fb4262dfc4bc25a3206724845a
humanhash: ink-juliet-nitrogen-october
File name:11c681fb4262dfc4bc25a3206724845a.exe
Download: download sample
Signature Formbook
File size:525'312 bytes
First seen:2022-04-08 09:50:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:MTP4CACgGMEcVZQpLbqvEeNPNA4xhOwNsV2s1A6BFqO8QdCDnNGZEez5MOtw5ksO:68E0ZQpCvE2PNAchP9eA66zGZEI5ptT
Threatray 14'677 similar samples on MalwareBazaar
TLSH T124B4022DBBBBDA17D6E84B3781D2489823B2D708A513DB4F6ECD25E549037930E41B93
File icon (PE):PE icon
dhash icon b2cccccce8b2b28a (21 x AgentTesla, 14 x Formbook, 11 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
db641a4a193086c56b65d2ddc8c42f937f45d1bf.doc
Verdict:
Malicious activity
Analysis date:
2022-04-07 09:13:50 UTC
Tags:
exploit CVE-2017-11882 loader

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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe 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 potential unpacker
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 605521 Sample: XA8P8ecVCj.exe Startdate: 08/04/2022 Architecture: WINDOWS Score: 100 31 www.rrrf.space 2->31 33 www.germanshepherdpupz.com 2->33 35 2 other IPs or domains 2->35 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 XA8P8ecVCj.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\XA8P8ecVCj.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 XA8P8ecVCj.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 37 uva888.com 47.254.79.174, 49789, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 18->37 39 www.uva888.com 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cscript.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-07 08:34:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dw4g rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
6f890e94e1639f845f92c4c847f454f32c1e76706273cf09b7c12973965972a3
MD5 hash:
7f46910906f02f40a96f52df1a4b97a7
SHA1 hash:
e84e1d55dc50e31d7beab16c35cade047fb94b7b
SH256 hash:
cb343a78311608ffe28653f0d3d733041b1015a4787f32c13517e40f8ff39596
MD5 hash:
e6c8afcf02a6aa488d471c766a4f45a0
SHA1 hash:
d4ac7f02b5e62598cd1e5c16df1b069d43a9cef0
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
SH256 hash:
a5e95ee8d1974c95a7346aaef53105fa6fd3eb6aea2e85e1e00e4d8f4052f26d
MD5 hash:
11c681fb4262dfc4bc25a3206724845a
SHA1 hash:
3fa7baade00fbc0037db5f83b4be06d8c365f3c9
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.

Web download

Formbook

Executable exe a5e95ee8d1974c95a7346aaef53105fa6fd3eb6aea2e85e1e00e4d8f4052f26d

(this sample)

  
Delivery method
Distributed via web download

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