MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27815dfd2b59d2e4e17362c000c326001dcd5a002349e48404b8d04a06e3bc18. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27815dfd2b59d2e4e17362c000c326001dcd5a002349e48404b8d04a06e3bc18
SHA3-384 hash: 515a37674697741a52dc0947a4fede7f1cc24e90c4a1c5b2369da841a3a5da66e24ec2a5cc5a33e9d90e47a85e164aa0
SHA1 hash: 148cdcdb0a7b59b0efa6ea302976e5207fe27c4a
MD5 hash: 56be56c3a82ce1ccfa85dadad438e22e
humanhash: fanta-stream-magnesium-island
File name:R1xi9hmQkyR2Dhl.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:808'448 bytes
First seen:2022-07-28 21:52:59 UTC
Last seen:2022-07-29 07:10:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:QuZKn10EZxgRCLD8mX3/hIK7mrgDw81Q2AgWx:TMRrgRCf8OhJmh81RG
TLSH T19005F1A821588E5EE6DE673DE4651210EBF8AD53B403E72D6EC031692DB3392CD37187
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/294981/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Olock.1.23605.21109.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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/f9940b0a-5155-493c-9d91-53279a1b598d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1042774
Signature
C2 URLs / IPs found in 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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 675268 Sample: R1xi9hmQkyR2Dhl.exe Startdate: 28/07/2022 Architecture: WINDOWS Score: 100 31 www.hoperize.org 2->31 33 www.couches-sofas-89554.com 2->33 35 hoperize.org 2->35 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 5 other signatures 2->47 9 R1xi9hmQkyR2Dhl.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\...\R1xi9hmQkyR2Dhl.exe.log, ASCII 9->23 dropped 53 Injects a PE file into a foreign processes 9->53 13 R1xi9hmQkyR2Dhl.exe 9->13         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.armstrongonewie.com 185.53.179.174, 49828, 80 TEAMINTERNET-ASDE Germany 16->25 27 www.digitalneighbourhood.club 185.104.28.238, 49792, 80 AS-ZXCSNL Netherlands 16->27 29 3 other IPs or domains 16->29 37 System process connects to network (likely due to code injection or exploit) 16->37 39 Uses netstat to query active network connections and open ports 16->39 20 NETSTAT.EXE 16->20         started        signatures11 process12 signatures13 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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/27815dfd2b59d2e4e17362c000c326001dcd5a002349e48404b8d04a06e3bc18/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-07-28 18:39:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e6av37jllhjojyltmlaabqzgaao42wqaene6jbaexdieubxdxqma._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220728-1rl9aabdg2/
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
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
bc0458809367c28e8cd74271f89238419e4ed2e0614ffa45cff185fae666cfb5
MD5 hash:
c2d80f0b090a11bddd0e50cf52692bee
SHA1 hash:
807e042c344a08ff4f986e1433452ede35c9cd72
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/75b8cbca-a62f-4d9c-b215-ed1a031d04be/
Parent samples :
27815dfd2b59d2e4e17362c000c326001dcd5a002349e48404b8d04a06e3bc18
bc314f342bf9eca2557cb138ae547bb19c8bb3b86899000e0631dc61d247a571
823668b847ae47d3210faeb01e11b10a81b2e6d84b0d47a34484fb6be8dfc67d
4824b8067be640a2d7cce93410e6738ac1951d9b4f3f79325aa2067f82acde6f
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/75b8cbca-a62f-4d9c-b215-ed1a031d04be/
SH256 hash:
e739e550d821439089f0c711303ee2b63e97b3af6074cf53783d626cde7f302b
MD5 hash:
d82d56051dc02da6d6cbb1e2d1437385
SHA1 hash:
710d5ca4f5502a3039b614efe53e598fa88af0c4
Link:
https://www.unpac.me/results/75b8cbca-a62f-4d9c-b215-ed1a031d04be/
SH256 hash:
13ca2f7a55b98e1890983122e67935c97e6d9df4429279d49a1324c6d56f0451
MD5 hash:
8b3a92a3409ae046bf3dc0753fcf8685
SHA1 hash:
4455c3efa2bf569f6d180063bb1e104a22581d61
Link:
https://www.unpac.me/results/75b8cbca-a62f-4d9c-b215-ed1a031d04be/
SH256 hash:
0979d543f465a57dd9abe1597170ed0a19b88f3184cf643c348b2086be5c1985
MD5 hash:
08c171c589edacb9576b19fcbd73a89e
SHA1 hash:
3bee8884860eea6513280da6caf8d1ae41a14a3b
Link:
https://www.unpac.me/results/75b8cbca-a62f-4d9c-b215-ed1a031d04be/
SH256 hash:
27815dfd2b59d2e4e17362c000c326001dcd5a002349e48404b8d04a06e3bc18
MD5 hash:
56be56c3a82ce1ccfa85dadad438e22e
SHA1 hash:
148cdcdb0a7b59b0efa6ea302976e5207fe27c4a
Link:
https://www.unpac.me/results/75b8cbca-a62f-4d9c-b215-ed1a031d04be/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

iso 3c33a463945e5a38aa0dfdce358f90fbfa8d6a2db9c3cda7c0b118f1a5b3d310

Formbook

Executable exe 27815dfd2b59d2e4e17362c000c326001dcd5a002349e48404b8d04a06e3bc18

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/294981/
  
Dropped by
SHA256 3c33a463945e5a38aa0dfdce358f90fbfa8d6a2db9c3cda7c0b118f1a5b3d310
  
Dropped by
MD5 3c20b36c2d33908a31ecf6258b3c3178

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