MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 727392516c37b93aff8a1458ed1698baa0f12d294452fc140b26f4e2c8e31db5. 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: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 727392516c37b93aff8a1458ed1698baa0f12d294452fc140b26f4e2c8e31db5
SHA3-384 hash: eff26f7fe26b8975b1078050764fbc0d2a4a34921f99c7bfc6da72636f4dbe1291afdfc9ca23ca9566eb933215bbcf90
SHA1 hash: 11700d8740a5ae3d205c2c22906d0ec8642f5c21
MD5 hash: 7a77bdc2b6195d5dd937e17076771b3e
humanhash: bravo-timing-papa-red
File name:triage_dropped_file
Download: download sample
Signature Formbook
Create hunting rule
File size:301'104 bytes
First seen:2021-11-29 13:59:23 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:rGi7fgT4iloTR7gENjyTHLjOdwG5mzukdY99JbhjqlF0JP7/SgM5:HfgTeaENmDqwG0ClhG3SP7/U5
Threatray 11'922 similar samples on MalwareBazaar
TLSH T115542349F9E586B7CADA1E300AB2FF3EE7B59355056B220723501FFA317958391263E0
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook xloader formbook

Intelligence

File Origin
# of uploads :
1
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
triage_dropped_file
Verdict:
Malicious activity
Analysis date:
2021-11-29 14:08:52 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/46ae5dfc-45b9-4620-8f7c-13a0ed6ca802

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  0/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/134/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61a4dce7effcae2254f483a1/reports/e0f03d89-fc65-4186-8076-4dfbfd1f12b4/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/2be07030-8861-46d8-9de9-b187db3e45c7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/897912
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
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)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 530399 Sample: triage_dropped_file Startdate: 29/11/2021 Architecture: WINDOWS Score: 100 33 www.dtsddcpj.com 2->33 35 www.browsealto.com 2->35 37 shops.myshopify.com 2->37 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 3 other signatures 2->45 11 triage_dropped_file.exe 17 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\adgcumv.dll, PE32 11->31 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 triage_dropped_file.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 process10 20 mstsc.exe 18->20         started        signatures11 47 Self deletion via cmd delete 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51 53 Tries to detect virtualization through RDTSC time measurements 20->53 23 cmd.exe 1 20->23         started        25 explorer.exe 1 151 20->25         started        27 explorer.exe 65 20->27         started        process12 process13 29 conhost.exe 23->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/727392516c37b93aff8a1458ed1698baa0f12d294452fc140b26f4e2c8e31db5/
Threat name:
Win32.Trojan.XLoader
Create hunting rule
Status:
Malicious
First seen:
2021-11-29 14:00:13 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a92235ec84914d6b63d046bf213887d7c740026e8ed3e1ab3fb73cd061e5a34
Formbook
5852e0b1479d914e16a2f1cf21d61ff4e1f3d35b6fa5dbcf0055cfc2c9a89936
Formbook
5e39768c8fd6bb7644322000828b9bd1c34d25c3be1a9a712761ba834910fcf0
Formbook
78bf20a97887ceb674ba6bbda37884a412be37dd320416d2222142c12f7de517
Formbook
7fb7251cf348d413059da050f27e4cd9a4f9ca833bbb11f554e19612d060a691
Formbook
b1a9315bbe1d7fed90a33a02d205fa96993061c7fb391ec408180f2381db9318
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
+ 11'912 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:yrcy loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211129-razzdacbfq/
Behaviour
Modifies Internet Explorer settings
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
NSIS installer
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.drmichaelirvine.com/yrcy/
Unpacked files
SH256 hash:
727392516c37b93aff8a1458ed1698baa0f12d294452fc140b26f4e2c8e31db5
MD5 hash:
7a77bdc2b6195d5dd937e17076771b3e
SHA1 hash:
11700d8740a5ae3d205c2c22906d0ec8642f5c21
Link:
https://www.unpac.me/results/8eba29eb-ca42-4aa8-b2b2-3ce81d9fc49d/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/727392516c37/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/727392516c37b93aff8a1458ed1698baa0f12d294452fc140b26f4e2c8e31db5

File information

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

Comments