MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4. 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 2 File information Comments

SHA256 hash: cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
SHA3-384 hash: 67d9db66fb3645139a965fe213a30e63ea9559407d6a2d2e1268482c99de15fa79b5c0ee17f3b391ddb27f631655965c
SHA1 hash: 673fb1a58e4707ad783d03ca97b3fbd8b4cad73a
MD5 hash: 427ef5f4e1143ad34c33b26dc4681661
humanhash: jupiter-nine-enemy-yankee
File name:DELIVERY DOCUMENTS.exe
Download: download sample
Signature Formbook
File size:723'968 bytes
First seen:2022-02-16 14:21:25 UTC
Last seen:2022-02-17 07:03:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:d/zasVSf1YP+8xUKQRKQYuEv+jF3NWHlwkUB5zYR2t2TQSZAhZ:BmskYWOUKpQYuKeF38dk5zYWUQSKh
Threatray 13'412 similar samples on MalwareBazaar
TLSH T144F4CF6499F7CCBAC83551BEF420D2041E36EE9F9603F7E6104DB838987C7825A99937
File icon (PE):PE icon
dhash icon b0cf4a4c4c4ccfb0 (31 x Formbook, 20 x RemcosRAT, 18 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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.
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
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
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: 573352 Sample: DELIVERY DOCUMENTS.exe Startdate: 16/02/2022 Architecture: WINDOWS Score: 100 34 www.trabaho-academy.net 2->34 36 www.emilyschlueter.com 2->36 38 2 other IPs or domains 2->38 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 11 other signatures 2->54 11 DELIVERY DOCUMENTS.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\...\DELIVERY DOCUMENTS.exe.log, ASCII 11->32 dropped 66 Injects a PE file into a foreign processes 11->66 15 DELIVERY DOCUMENTS.exe 11->15         started        18 DELIVERY DOCUMENTS.exe 11->18         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 20 explorer.exe 15->20 injected process9 dnsIp10 40 www.megamobil.wien 81.19.154.98, 49815, 80 WORLD4YOUAT Austria 20->40 42 a3hd.com 154.23.170.241, 49813, 80 COGENT-174US United States 20->42 44 2 other IPs or domains 20->44 56 System process connects to network (likely due to code injection or exploit) 20->56 24 chkdsk.exe 12 20->24         started        signatures11 process12 dnsIp13 46 www.5t45urfgurkhgbvkhbuh.com 24->46 58 Self deletion via cmd delete 24->58 60 Modifies the context of a thread in another process (thread injection) 24->60 62 Maps a DLL or memory area into another process 24->62 64 Tries to detect virtualization through RDTSC time measurements 24->64 28 cmd.exe 1 24->28         started        signatures14 process15 process16 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-16 14:22:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:zqzw loader rat suricata
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
e4d82abe3d6771d1554b3942912f64198bd2293a4695bd9bf4790ce3cfdb35b4
MD5 hash:
e67faee6cfd55332277900946da545cd
SHA1 hash:
c218f231bef20d96048c3af97bef1851f4403c26
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4
MD5 hash:
427ef5f4e1143ad34c33b26dc4681661
SHA1 hash:
673fb1a58e4707ad783d03ca97b3fbd8b4cad73a
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: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 cd4ee025ad3406b7e572952d42465eee19649cef6c0d3a6acbb0e972096988f4

(this sample)

  
Delivery method
Distributed via e-mail attachment

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