MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c3c6c154bcaba75d5871b2f4b39e101a33f85fa3b8c5cce162ad1fdb8c24f64. 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 File information Comments

SHA256 hash: 4c3c6c154bcaba75d5871b2f4b39e101a33f85fa3b8c5cce162ad1fdb8c24f64
SHA3-384 hash: 777e39b90a458d0383259ffef1520a1289ca569355050b04497d4f2633833c9d57e8be89db160eda40aa0af71197e08f
SHA1 hash: b4c56c064c86ddfef70262daefcdd88250fe0350
MD5 hash: 828a4d6b1c76b1f166505616f0ed4379
humanhash: five-white-single-failed
File name:828a4d6b1c76b1f166505616f0ed4379.exe
Download: download sample
Signature Formbook
File size:227'137 bytes
First seen:2022-04-05 18:22:03 UTC
Last seen:2022-04-05 18:38:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (730 x GuLoader, 452 x Formbook, 295 x Loki)
ssdeep 6144:HNeZmaMBZY21HYc94z0mQS8CqXWSm/F5cc0/:HNlrtY70S8DDm/Fne
TLSH T17D24022876A0D4BFD4B30A321D7AEA6B7FEAD5112224164B0B70FF5CB7153815A0E71B
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 603537 Sample: uEENSyTlon.exe Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 34 huanbaodg.com 2->34 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 5 other signatures 2->56 12 uEENSyTlon.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\wqxyw.exe, PE32 12->32 dropped 15 wqxyw.exe 12->15         started        process6 signatures7 68 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->68 70 Tries to detect virtualization through RDTSC time measurements 15->70 72 Injects a PE file into a foreign processes 15->72 18 wqxyw.exe 15->18         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 18->21 injected process10 dnsIp11 36 loancreditscan.com 185.53.177.31, 49782, 80 TEAMINTERNET-ASDE Germany 21->36 38 elizabethsilvasuarez.com 178.33.167.48, 49783, 80 OVHFR France 21->38 40 7 other IPs or domains 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 60 Performs DNS queries to domains with low reputation 21->60 25 cmd.exe 21->25         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 25->62 64 Maps a DLL or memory area into another process 25->64 66 Tries to detect virtualization through RDTSC time measurements 25->66 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-05 18:23:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 42 (52.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:arh2 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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
2c2bf733fffd636c54c63c0d0aca5670b9c2745ea33e2045150b321b219d86e0
MD5 hash:
29b5df13e650e3665f0bd2baa04f5c31
SHA1 hash:
bcce876b8f94c7f8ac4ceb9f8479f2c2c566486b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
c1a019a29094be3dae65be18fcfe6ba0847410b5467a1854df50651a8e23300c
MD5 hash:
b7b54d35ff0d311df5df87f08b08c28c
SHA1 hash:
de429b8876f7a1fbcafab2bd8a067efc9aaaac9d
SH256 hash:
a7b96cfc7c6daf669e558ec4e0f57ed2cf69f3015f06c086029b1b28ac3840b1
MD5 hash:
332cb0f0c7389fb3d73cdda06f53bf80
SHA1 hash:
5567c34cc35d15f4d582c8d7e954dfb1e95db12c
SH256 hash:
4c3c6c154bcaba75d5871b2f4b39e101a33f85fa3b8c5cce162ad1fdb8c24f64
MD5 hash:
828a4d6b1c76b1f166505616f0ed4379
SHA1 hash:
b4c56c064c86ddfef70262daefcdd88250fe0350
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

Executable exe 4c3c6c154bcaba75d5871b2f4b39e101a33f85fa3b8c5cce162ad1fdb8c24f64

(this sample)

  
Delivery method
Distributed via web download

Comments