MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8c5b384b32f2a117fda2336ec2692bfc44e37a56327217454b63eb28ec0701b. 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 3 File information Comments

SHA256 hash: a8c5b384b32f2a117fda2336ec2692bfc44e37a56327217454b63eb28ec0701b
SHA3-384 hash: 44f6389e95f1608a106016ecb647968cc28518739a59116b28b9b22f92944ae2996604b970d5a1a192abb59cb8d54740
SHA1 hash: 8c2a65bbcbdc5dab33519bdb8a068ea6e14b6296
MD5 hash: 21b61d0f7522982ef7dc291382b431db
humanhash: yellow-grey-arkansas-football
File name:swift copy.exe
Download: download sample
Signature Formbook
File size:445'440 bytes
First seen:2021-11-22 15:49:38 UTC
Last seen:2021-11-22 17:34:24 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 6144:o+nmPAIz44opmbbBITqZh+haLXH/juCN+AXa3QJwYWncMwA+XrtrDn0OH:o+n6idpmfBzZh+hYX/yFQvW0rtD00
TLSH T11694F1A132A4A3C7CC794FB15C61D0D42332B5657915C73DACC8A2CE6E22B125717BBB
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
swift copy.exe
Verdict:
Malicious activity
Analysis date:
2021-11-22 15:53:08 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
obfuscated packed
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 526462 Sample: swift copy.exe Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 43 www.trademarkitforyourself.com 2->43 45 www.macanostore.online 2->45 47 trademarkitforyourself.com 2->47 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 14 other signatures 2->61 10 swift copy.exe 7 2->10         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\bFylSnOLSkSVm.exe, PE32 10->35 dropped 37 C:\...\bFylSnOLSkSVm.exe:Zone.Identifier, ASCII 10->37 dropped 39 C:\Users\user\AppData\Local\...\tmpCED7.tmp, XML 10->39 dropped 41 C:\Users\user\AppData\...\swift copy.exe.log, ASCII 10->41 dropped 73 Adds a directory exclusion to Windows Defender 10->73 14 swift copy.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 14->75 77 Maps a DLL or memory area into another process 14->77 79 Sample uses process hollowing technique 14->79 81 Queues an APC in another process (thread injection) 14->81 21 wscript.exe 14->21         started        24 explorer.exe 14->24 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        process9 dnsIp10 63 Self deletion via cmd delete 21->63 65 Modifies the context of a thread in another process (thread injection) 21->65 67 Maps a DLL or memory area into another process 21->67 69 Tries to detect virtualization through RDTSC time measurements 21->69 31 cmd.exe 1 21->31         started        49 greencofiji.com 162.241.169.32, 49835, 80 UNIFIEDLAYER-AS-1US United States 24->49 51 www.takut18.com 104.21.38.64, 49838, 80 CLOUDFLARENETUS United States 24->51 53 6 other IPs or domains 24->53 71 System process connects to network (likely due to code injection or exploit) 24->71 signatures11 process12 process13 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-22 15:49:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
29 of 45 (64.44%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ea0r loader rat suricata
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.asiapubz-hk.com/ea0r/
Unpacked files
SH256 hash:
a7d52f5d74e20ad4aa4b7ef6d19a78fcfd3ba4fcaa20158a90a49b45fa16891b
MD5 hash:
225d16e10e2a9c3d1ef96ee397667237
SHA1 hash:
1633488ad7b45a22fdb426ab6fae99b2624cd237
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
SH256 hash:
a8c5b384b32f2a117fda2336ec2692bfc44e37a56327217454b63eb28ec0701b
MD5 hash:
21b61d0f7522982ef7dc291382b431db
SHA1 hash:
8c2a65bbcbdc5dab33519bdb8a068ea6e14b6296
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: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.

  
Delivery method
Other

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