MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c66afb8c639b5c09c04daf10d60c7ead5c5a60bb44db330f3818a3f99cb17483. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c66afb8c639b5c09c04daf10d60c7ead5c5a60bb44db330f3818a3f99cb17483
SHA3-384 hash: f1fef21383cedac7b6a4c6fe3de0578c916ae2c0fa566a7a1d405d91092cede0d88b089668e06faa3a111d70ef0a35a2
SHA1 hash: 78e1f8707f13c7d65e5d47686456a90e390f22c5
MD5 hash: 79a378e6dc7d5774e703921fddae003e
humanhash: lamp-eight-low-nuts
File name:Swift Advise.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:941'056 bytes
First seen:2021-03-30 05:36:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:2/gMhltkYiAJ2iN9k8OC7dsCR04j2DFZ5pvtdto5O:agMhltkxAJ13k8OuuK04j+5pvtdC
Threatray 4'368 similar samples on MalwareBazaar
TLSH 8F15B28C6E99C1CAC6790B7842C9C4F646E95FF30F22887AB9C85FCBF431745E50A526
Reporter cocaman
Tags:exe FormBook SWIFT

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Swift Advise.exe
Verdict:
Malicious activity
Analysis date:
2021-03-30 05:39:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d5eea73b-f5f7-43b0-9d22-7a9b7bd03d96

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/127883/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cc57c96a-7bf9-4c5f-a0ec-8ed0851f535c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/657957
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 377909 Sample: Swift Advise.exe Startdate: 30/03/2021 Architecture: WINDOWS Score: 100 36 www.greyttzumessen.com 2->36 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 8 other signatures 2->54 11 Swift Advise.exe 3 2->11         started        signatures3 process4 file5 34 C:\Users\user\...\Swift Advise.exe.log, ASCII 11->34 dropped 64 Injects a PE file into a foreign processes 11->64 15 Swift Advise.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 18 explorer.exe 15->18 injected process9 dnsIp10 38 torbellinodecolores.com 91.121.222.202, 49753, 80 OVHFR France 18->38 40 luckyspaces.net 200.239.240.244, 80 MLTelecomBR Brazil 18->40 42 15 other IPs or domains 18->42 56 System process connects to network (likely due to code injection or exploit) 18->56 22 cmd.exe 12 18->22         started        26 autochk.exe 18->26         started        28 autoconv.exe 18->28         started        signatures11 process12 dnsIp13 44 www.luckyspaces.net 22->44 46 luckyspaces.net 22->46 58 Modifies the context of a thread in another process (thread injection) 22->58 60 Maps a DLL or memory area into another process 22->60 62 Tries to detect virtualization through RDTSC time measurements 22->62 30 cmd.exe 1 22->30         started        signatures14 process15 process16 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c66afb8c639b5c09c04daf10d60c7ead5c5a60bb44db330f3818a3f99cb17483/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-29 15:48:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
45
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yzvpxdddtnoatqcnv4inmdd6vvofuyf3itntgdzydcr7thfrosbq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04c950e9fb1cf6ff2de10fd17f04191f8e938189766482ef856efa2581df8dbb
Formbook
064cad19bee4580a82bc4ee3558e8510100ebba8da83720749f553cc411d5cb3
Formbook
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
Formbook
3d3095586bf72d6b631e44681654c68707a6f07987b02e367e7d88ac9ddab77c
Formbook
5cbafb76c6a0e930414647523ffb4abe9d9ab7f41270ddf4c4ef5d9fd1f39346
Formbook
6c46b7dff6c4d4d8936f8a241cb8f0392d0b61426e553f81931038a3939018f5
Formbook
6ef31a13d71d059d6e007fb2305c8e2d7615c3d468c9f2f4e023b45490b50787
Formbook
7e88f1c425154e6fff6d031aaaa4d8bb4c8ff131e429f44310fd936bfc08b357
Formbook
9cf07e6cbf0321dc63141d5d14b6df920c9c90ee178636def703946324fec78b
Formbook
+ 4'358 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210330-5tfd765vmn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.walkinginsky.com/s2oc/
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
Link:
https://www.unpac.me/results/b0d8a730-248b-4e3e-9ddb-0ba54819a2e2/
SH256 hash:
c66afb8c639b5c09c04daf10d60c7ead5c5a60bb44db330f3818a3f99cb17483
MD5 hash:
79a378e6dc7d5774e703921fddae003e
SHA1 hash:
78e1f8707f13c7d65e5d47686456a90e390f22c5
Link:
https://www.unpac.me/results/b0d8a730-248b-4e3e-9ddb-0ba54819a2e2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c66afb8c639b5c09c04daf10d60c7ead5c5a60bb44db330f3818a3f99cb17483

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

r09 b81720b0e70c379293d59140d9ff68b099c57aa76679a28bed2d5f832a95ddc1

Formbook

Executable exe c66afb8c639b5c09c04daf10d60c7ead5c5a60bb44db330f3818a3f99cb17483

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 b81720b0e70c379293d59140d9ff68b099c57aa76679a28bed2d5f832a95ddc1
Cape
Cape
https://www.capesandbox.com/analysis/127883/

Comments