MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3dad4eb294afef3dd4251826c1c1d25679c1044120e8bfaaea14e582be06357. 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 4 File information Comments

SHA256 hash: c3dad4eb294afef3dd4251826c1c1d25679c1044120e8bfaaea14e582be06357
SHA3-384 hash: d12167d72106f89e056b19c5e11aefda238fd4762552ee5bdb9b61215e26b15472c229a6ee14fba6e0b4fafca0638d71
SHA1 hash: 909d8032fcca825c3d76743236bcd569c734624b
MD5 hash: fdefb10ff2bb3ab90dd75cca967e31cf
humanhash: fix-alpha-seven-undress
File name:payment copy.exe
Download: download sample
Signature Formbook
File size:906'752 bytes
First seen:2021-08-18 09:16:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'448 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:wlDc9F3nC0Py3gAh5F/O1sZpouildw4dy33uFfRoSLu4AgDvXmCGhj2ncpI40E71:whxShldzy33+zLxvXmIK7qPiz5
Threatray 7'995 similar samples on MalwareBazaar
TLSH T15615D4BC19B9B62791B9C725EBE18417F0409C9F3151ADA4E4EE27B7032EA5234C723D
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment copy.exe
Verdict:
Malicious activity
Analysis date:
2021-08-18 09:19:57 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
Sending a custom TCP request
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
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 netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 467409 Sample: payment copy.exe Startdate: 18/08/2021 Architecture: WINDOWS Score: 100 34 www.exdysis.com 2->34 36 exdysis.com 2->36 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 11 payment copy.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\...\payment copy.exe.log, ASCII 11->32 dropped 14 RegSvcs.exe 11->14         started        17 RegSvcs.exe 11->17         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 19 explorer.exe 14->19 injected 70 Tries to detect virtualization through RDTSC time measurements 17->70 process8 dnsIp9 38 www.globipark.com 49.12.128.227, 49726, 80 HETZNER-ASDE Germany 19->38 40 www.youth66.com 208.91.197.46, 49727, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 19->40 42 15 other IPs or domains 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 54 Uses netstat to query active network connections and open ports 19->54 23 NETSTAT.EXE 19->23         started        26 autofmt.exe 19->26         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 23->56 58 Maps a DLL or memory area into another process 23->58 60 Tries to detect virtualization through RDTSC time measurements 23->60 28 cmd.exe 1 23->28         started        process13 process14 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-18 09:17:09 UTC
AV detection:
9 of 46 (19.57%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n58i loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.mack3sleeve.com/n58i/
Unpacked files
SH256 hash:
8cff129ca2360c5eff1f061536fe264c44a88b66519fd7f3353f6fcfd2bc111a
MD5 hash:
f914c8bfed6d43272fb24a861f2ca041
SHA1 hash:
5bf498268bc92b4cd8463fed104bda65297dc794
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
5d8695434deab03b0eec1534956c8dc2ffd207fd0f3db1e9ed92ddf98fc1c50f
MD5 hash:
39b8b07aceaeff96af45c90a048ad385
SHA1 hash:
e24b74985c858c3f7c3bcc5735900e89ccdc2982
SH256 hash:
c3dad4eb294afef3dd4251826c1c1d25679c1044120e8bfaaea14e582be06357
MD5 hash:
fdefb10ff2bb3ab90dd75cca967e31cf
SHA1 hash:
909d8032fcca825c3d76743236bcd569c734624b
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 c3dad4eb294afef3dd4251826c1c1d25679c1044120e8bfaaea14e582be06357

(this sample)

  
Delivery method
Distributed via e-mail attachment

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