MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 153973d2cd26d5d2aff49d692bc9afa7e5b76e1e465db0aaab1299596f988674. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 153973d2cd26d5d2aff49d692bc9afa7e5b76e1e465db0aaab1299596f988674
SHA3-384 hash: 954217d979f2e233c98ea95744df76c92d8dd6f13cc6f42ec064fd880b21850d1d8e8602c2d39c6871573e16210669ca
SHA1 hash: ada6a12fb2d3f7ac070b37cfd4a6b9d78456f8cf
MD5 hash: 2b3e46088a238be94fe9abbd71ff8b11
humanhash: idaho-finch-cat-london
File name:2b3e46088a238be94fe9abbd71ff8b11
Download: download sample
Signature Formbook
Create hunting rule
File size:313'726 bytes
First seen:2021-12-09 14:56:44 UTC
Last seen:2021-12-09 20:11:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGisu302VktojNX4H3vvtJaNXOSpVO4yndeoOXcNwQV:AuE2tXIgXOSp44ysoyG
TLSH T10864235DAEC1C0F3C7A81F35167FA66AE132D2D842521D0337782EB67D112A60D29BDB
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
167
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20211209071622734.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-09 13:08:54 UTC
Tags:
encrypted exploit CVE-2017-11882 trojan formbook stealer
Link:
https://app.any.run/tasks/c162b1b3-bad7-4804-b7d2-a7c139128e57

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/212914/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.1800.1169.459.UNOFFICIAL
Create hunting rule

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/1460/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61b219444d8e6f3a5e1bfeea/reports/894e0965-30fb-4634-8035-ee5a8a893b1e/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:
Malicious
Link:
https://analyze.intezer.com/analyses/df9c7618-8435-486c-b628-3cc7b7c7f9ce
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/904737
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 domain / URL
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 537218 Sample: oyEpkUXOvm Startdate: 09/12/2021 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 3 other signatures 2->41 10 oyEpkUXOvm.exe 17 2->10         started        process3 file4 31 C:\Users\user\AppData\Local\...\pxfengxqn.dll, PE32 10->31 dropped 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 14 oyEpkUXOvm.exe 10->14         started        signatures5 process6 signatures7 55 Modifies the context of a thread in another process (thread injection) 14->55 57 Maps a DLL or memory area into another process 14->57 59 Sample uses process hollowing technique 14->59 61 Queues an APC in another process (thread injection) 14->61 17 explorer.exe 14->17 injected process8 process9 19 WWAHost.exe 17->19         started        signatures10 43 Self deletion via cmd delete 19->43 45 Modifies the context of a thread in another process (thread injection) 19->45 47 Maps a DLL or memory area into another process 19->47 49 Tries to detect virtualization through RDTSC time measurements 19->49 22 explorer.exe 2 156 19->22         started        25 cmd.exe 1 19->25         started        27 mobsync.exe 19->27         started        process11 dnsIp12 33 192.168.2.1 unknown unknown 22->33 29 conhost.exe 25->29         started        process13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/153973d2cd26d5d2aff49d692bc9afa7e5b76e1e465db0aaab1299596f988674/
Threat name:
Win32.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2021-12-09 14:57:11 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:fqiq loader rat
Link:
https://tria.ge/reports/211209-sbk3aacce4/
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:
153973d2cd26d5d2aff49d692bc9afa7e5b76e1e465db0aaab1299596f988674
MD5 hash:
2b3e46088a238be94fe9abbd71ff8b11
SHA1 hash:
ada6a12fb2d3f7ac070b37cfd4a6b9d78456f8cf
Link:
https://www.unpac.me/results/f95e136d-dc8a-442b-9ad2-d28167bc137a/
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/153973d2cd26d5d2aff49d692bc9afa7e5b76e1e465db0aaab1299596f988674

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe 153973d2cd26d5d2aff49d692bc9afa7e5b76e1e465db0aaab1299596f988674

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1869036/
Cape
Cape
https://www.capesandbox.com/analysis/212914/

Comments


Avatar
zbet commented on 2021-12-09 14:56:44 UTC

url : hxxp://103.145.254.163/cloudms_890_1254/vbc.exe