MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13d4188437fd7caf662393052ef82808bf70cdb5e31fcc2f162ad2dffad377aa. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13d4188437fd7caf662393052ef82808bf70cdb5e31fcc2f162ad2dffad377aa
SHA3-384 hash: 08bde2508dce136bf9411b2521bd49760b1ae19e6b74942ccb3d29944eb9b156b2e4e5f54cae5577995a8ff6ef373867
SHA1 hash: 1e714a93492ed274ffd977454327ad203ab5350e
MD5 hash: 50457159f17f05caaffe059b812a34b3
humanhash: fanta-charlie-oscar-sierra
File name:50457159f17f05caaffe059b812a34b3.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:330'871 bytes
First seen:2021-12-05 08:22:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiFz3RuO7DbGGmH3uNOyb2HOh0STed7gB7ZaEPlrtIvhAC7+P1KoxU3qB3pAk:Bz3PHGGY3ukqSOpUGZauleZfynAk
Threatray 12'149 similar samples on MalwareBazaar
TLSH T1B364230CEFD4C267F7254971DDF647A687BA9484409D022EAFB41FBE3A7665903202CB
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 :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
50457159f17f05caaffe059b812a34b3.exe
Verdict:
Malicious activity
Analysis date:
2021-12-05 08:26:03 UTC
Tags:
installer
Link:
https://app.any.run/tasks/f9d24070-9392-4e19-9079-1c5bdf972c82

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/211445/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
DNS request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/890/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61ac76e7fa72c81b5b0c5f49/reports/103a92ee-525f-429b-b8f3-b69ef64b9f01/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/37f1b297-cc82-4809-bba2-3946a2c1b6f6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/901648
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 534122 Sample: 4r314mKuLx.exe Startdate: 05/12/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 3 other signatures 2->42 10 4r314mKuLx.exe 17 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\eqcjki.dll, PE32 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 4r314mKuLx.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.rdoi.top 104.233.161.241, 49784, 80 PEGTECHINCUS United States 17->30 32 www.mambacustomboats.com 64.190.62.111, 49795, 80 NBS11696US United States 17->32 34 13 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Performs DNS queries to domains with low reputation 17->46 21 systray.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/13d4188437fd7caf662393052ef82808bf70cdb5e31fcc2f162ad2dffad377aa/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-05 08:23:11 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1764a3523eb73d0b632820c013bb2a723fbb3779c7eb59c7e0b67cd488deda6d
Formbook
1bdc41058e53e885ccf81cf42ddac59733b6608f40719017dde98ac33ed8b8f5
Formbook
29e7d7eec0c8b07eac1b67b2875c1942104495e5e37f8b08fd788d4157376b1b
Formbook
3d9b01acd650801e9f3ff8b3c0676b00d7c58efcfa53ab922cd1642b4a963d96
Formbook
83f6ae731d42e5b754955cc68e0289a7b30592e04121cbea6f51a90845c331dd
Formbook
a76d05f3510ac6c776c43425b3602308caed862c216d5856d9e02e44c013b423
Formbook
b6766af1afb815c61741089760278a15e9089ae7b14a3537faa4ca6e4ebfdffc
Formbook
c0363e690238ce1be218baa1c66a3fe647df3740da9448788945c6863ac6b07c
Formbook
dcd2e00fc2a47d732fd3d0d79fd224caac8bee02053a1b02ba4e51e022a949f9
Formbook
+ 12'139 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:fqiq loader rat
Link:
https://tria.ge/reports/211205-j95pxafaa3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.esyscoloradosprings.com/fqiq/
Unpacked files
SH256 hash:
13d4188437fd7caf662393052ef82808bf70cdb5e31fcc2f162ad2dffad377aa
MD5 hash:
50457159f17f05caaffe059b812a34b3
SHA1 hash:
1e714a93492ed274ffd977454327ad203ab5350e
Link:
https://www.unpac.me/results/ac96d9df-818d-440f-ad17-15a3ed017f9b/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/13d4188437fd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/13d4188437fd7caf662393052ef82808bf70cdb5e31fcc2f162ad2dffad377aa

File information

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

Web download

Formbook

Executable exe 13d4188437fd7caf662393052ef82808bf70cdb5e31fcc2f162ad2dffad377aa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1847971/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/211445/

Comments