MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4743e4cc67e3d810048f931f66269f54bbfd6dbf3ce5d56bec1f1ba900fadbc5. 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: 4743e4cc67e3d810048f931f66269f54bbfd6dbf3ce5d56bec1f1ba900fadbc5
SHA3-384 hash: 8e21840833e078287a84ceb80e6bbf327dcaf8a70cf4a404a4a275a2d98437e8c804d01eecb0738e3eeffabda6522e17
SHA1 hash: d347b8cba928fa57ef2229c63c09a038f65cff09
MD5 hash: 45f99b0f214b54a4bb0c2a9115c62a39
humanhash: hydrogen-mirror-whiskey-orange
File name:DHL - WAYBILL 44 7611 9546 - Joao Carlos.exe
Download: download sample
Signature Formbook
File size:1'127'424 bytes
First seen:2021-12-15 09:35:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:eKVRsE3tUD43XhgKEhvOvYi6zJGlZKz4fM7jnYkP1D+Fk:eKt/zEhvc6vz4fejPwe
Threatray 12'178 similar samples on MalwareBazaar
TLSH T14F35015CBE68DF24D63D0FF7C8ED904A47BCB80B7982CAA91CDE61D44812BD149059EB
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL - WAYBILL 44 7611 9546 - Joao Carlos.exe
Verdict:
Malicious activity
Analysis date:
2021-12-15 10:03:12 UTC
Tags:
trojan 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
DNS request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
hacktool 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
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 signatures2 2 Behavior Graph ID: 540244 Sample: DHL - WAYBILL 44 7611 9546 ... Startdate: 15/12/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 8 other signatures 2->41 10 DHL - WAYBILL 44 7611 9546 - Joao Carlos.exe 3 2->10         started        process3 signatures4 51 Injects a PE file into a foreign processes 10->51 13 DHL - WAYBILL 44 7611 9546 - Joao Carlos.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 27 www.dxtzdbgs.com 172.86.117.245, 49785, 80 QUICKPACKETUS United States 16->27 29 thesunrisegolf.com 104.238.71.140, 49812, 80 AS-26496-GO-DADDY-COM-LLCUS United States 16->29 31 www.thesunrisegolf.com 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 help.exe 16->20         started        signatures9 process10 signatures11 43 Self deletion via cmd delete 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-15 09:36:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ig34 rat spyware stealer suricata trojan
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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.priorlakeheatingandcooling.com/ig34/
Unpacked files
SH256 hash:
862c71c95da57fa0068bc21f200c62c539ef367f5a068b893887d53d2c87bee1
MD5 hash:
314795471caf8f30175d3a993469c6f9
SHA1 hash:
c05d986be5d704dd55091e36fc0f0955a61a7984
SH256 hash:
b4cdc2e80938bfb021796c5a7ed1404a8347de22c405936e4f807188f69a75d1
MD5 hash:
6ee83551de979a928d4a2dff57570534
SHA1 hash:
63264d003f192c17950a1b1f1cf16cbd38a9d9e9
SH256 hash:
4743e4cc67e3d810048f931f66269f54bbfd6dbf3ce5d56bec1f1ba900fadbc5
MD5 hash:
45f99b0f214b54a4bb0c2a9115c62a39
SHA1 hash:
d347b8cba928fa57ef2229c63c09a038f65cff09
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.

Comments