MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 695b006f3b83048d47ea1fcae9d7cbacac8f82b4f3d2908ca20f06788e8b3b92. 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 3 File information Comments

SHA256 hash: 695b006f3b83048d47ea1fcae9d7cbacac8f82b4f3d2908ca20f06788e8b3b92
SHA3-384 hash: 87ca4383afb72553a043dc22597302386f328b58994aeeaa8fc3df9978826cc25e5f9d2fa3e5cffccd405d3db8d7c2e4
SHA1 hash: 88fb97c0dc6895a390bd8162551379bf95b1f7e7
MD5 hash: 9915e0eac92c602515ffd6196912b287
humanhash: juliet-carolina-cola-magazine
File name:invoice.exe
Download: download sample
Signature Formbook
File size:559'104 bytes
First seen:2021-09-23 03:18:45 UTC
Last seen:2021-09-23 13:43:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:JQmtiK5odeFn88pZ19XCKMCWwebuzlmbAdg1SXK/:K+FodE9pZqtCQqlpmwX
Threatray 9'527 similar samples on MalwareBazaar
TLSH T115C412085C9CA776CDAB47FC7076620247B1B6EBB603F7850F60A5E44D2EBD108265AB
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
5
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-23 03:19:16 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Initial sample is a PE file and has a suspicious name
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)
Performs DNS queries to domains with low reputation
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: 488554 Sample: invoice.exe Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 34 www.jingkevip.com 2->34 36 hk1.mengb123.com 2->36 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 6 other signatures 2->48 11 invoice.exe 3 2->11         started        signatures3 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 invoice.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 14->17 injected process8 dnsIp9 28 nautilusratio.club 103.197.149.150, 49764, 80 TRABIAMD Hong Kong 17->28 30 www.skullz.xyz 184.75.247.88, 49763, 80 HURRICANEUS United States 17->30 32 13 other IPs or domains 17->32 38 System process connects to network (likely due to code injection or exploit) 17->38 40 Performs DNS queries to domains with low reputation 17->40 21 colorcpl.exe 17->21         started        signatures10 process11 signatures12 50 Self deletion via cmd delete 21->50 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-23 03:19:04 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:etaf loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.jingkevip.com/etaf/
Unpacked files
SH256 hash:
857d1f34774a5c7f5debe1e2a5efde128f12921247f167ba4a35a8eb6385cb47
MD5 hash:
2e649100656a063befb21d563d8da57c
SHA1 hash:
2b0683aec0553362a6f774bb26c8dd2324503fd5
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
a074cef307e2e2fcfba29b1a71347c914f62d7aa6246f4809d1a93efa0360845
MD5 hash:
d55ae4abb938bb0d7e17e336915f980d
SHA1 hash:
bec12de966e82e457bd6f280c29481e159d6316f
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
SH256 hash:
3bca4096b7baf1b4cda563351aed33c0fe9b5901a4b9b12c431300f88289fe0a
MD5 hash:
30fa0de54070b1f9129830bee9e1aa3a
SHA1 hash:
9677e3ec155d584f5ee40aa2d2cd6c3d27953d21
SH256 hash:
695b006f3b83048d47ea1fcae9d7cbacac8f82b4f3d2908ca20f06788e8b3b92
MD5 hash:
9915e0eac92c602515ffd6196912b287
SHA1 hash:
88fb97c0dc6895a390bd8162551379bf95b1f7e7
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: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.

Malspam

Formbook

Executable exe 695b006f3b83048d47ea1fcae9d7cbacac8f82b4f3d2908ca20f06788e8b3b92

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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