MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45df8cea19c2e61209635263beed0231686818f1282c164d30b37de675d5ee23. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45df8cea19c2e61209635263beed0231686818f1282c164d30b37de675d5ee23
SHA3-384 hash: 48ff6d3d2f180286259ba3b0cc58b57d476713bb94035a07e7cbe38fefb41873ce6a333e4f7dd1ac34b3a436a9f77e76
SHA1 hash: 7252d00c2e14e95b7a6ab9916de9162c07be0824
MD5 hash: b9c4352a1f3fca2a7099dabe11ca0236
humanhash: stairway-eight-queen-lake
File name:b9c4352a1f3fca2a7099dabe11ca0236.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:318'647 bytes
First seen:2021-12-09 14:13:04 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:rGiyw1vhn6RXpWZg4te706OrfE+0UfYLXNcf7lwI8GhXf5yFCemEUxmlD:+w+FpWA701LECYLXNczmI8GdqCEU4
TLSH T17064237632E1763FDCD7183866716BF873B2E29C507759434B900FC97E2688A945E423
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 :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b9c4352a1f3fca2a7099dabe11ca0236.exe
Verdict:
Malicious activity
Analysis date:
2021-12-09 14:27:40 UTC
Tags:
installer
Link:
https://app.any.run/tasks/c5702e23-85f0-42b4-8918-3740da0ef61c

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/212895/
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
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/1452/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61b20ef1fa72c81b5b13942b/reports/8438e75d-22cc-46e7-a668-964117847404/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8257b9e6-9708-4999-b6ee-011a67245414
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/904691
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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: 537170 Sample: KBSS2bOkqj.exe Startdate: 09/12/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Multi AV Scanner detection for domain / URL 2->41 43 Found malware configuration 2->43 45 5 other signatures 2->45 10 KBSS2bOkqj.exe 17 2->10         started        process3 file4 29 C:\Users\user\AppData\...\nniolvcbad.dll, PE32 10->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 10->59 61 Injects a PE file into a foreign processes 10->61 14 KBSS2bOkqj.exe 10->14         started        signatures5 process6 signatures7 63 Modifies the context of a thread in another process (thread injection) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Sample uses process hollowing technique 14->67 69 Queues an APC in another process (thread injection) 14->69 17 explorer.exe 14->17 injected process8 dnsIp9 31 www.klmywmux.com 154.84.102.48, 49852, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 17->31 33 www.fistoffraggers.xyz 44.227.76.166, 80 AMAZON-02US United States 17->33 35 3 other IPs or domains 17->35 47 System process connects to network (likely due to code injection or exploit) 17->47 49 Performs DNS queries to domains with low reputation 17->49 21 wlanext.exe 12 17->21         started        signatures10 process11 dnsIp12 37 www.fistoffraggers.xyz 21->37 51 Performs DNS queries to domains with low reputation 21->51 53 Self deletion via cmd delete 21->53 55 Modifies the context of a thread in another process (thread injection) 21->55 57 2 other signatures 21->57 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/45df8cea19c2e61209635263beed0231686818f1282c164d30b37de675d5ee23/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-09 12:04:39 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 45 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ixpyz2qzyltbecldkjr353icgfugqghrfawbmtjqwn66m5ov5yrq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:h2b0 rat spyware stealer trojan
Link:
https://tria.ge/reports/211209-rjepssdeem/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.brocoser.com/h2b0/
Unpacked files
SH256 hash:
45df8cea19c2e61209635263beed0231686818f1282c164d30b37de675d5ee23
MD5 hash:
b9c4352a1f3fca2a7099dabe11ca0236
SHA1 hash:
7252d00c2e14e95b7a6ab9916de9162c07be0824
Link:
https://www.unpac.me/results/a088db92-87e6-48f9-8273-494b1b9fba98/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/45df8cea19c2/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/45df8cea19c2e61209635263beed0231686818f1282c164d30b37de675d5ee23

File information

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

Web download

Formbook

Executable exe 45df8cea19c2e61209635263beed0231686818f1282c164d30b37de675d5ee23

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1868093/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/212895/

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