MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a15661ebcc1385f7f9dad588171f02e25fc5049b65f597e195d1feb71bd5c2ea. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments

SHA256 hash: a15661ebcc1385f7f9dad588171f02e25fc5049b65f597e195d1feb71bd5c2ea
SHA3-384 hash: b99e2c164b2686cce0723a1f5aee2a91c15da9cb13497abb4caf6693b1d183188c4abfc6d935cd0df9b1140551a74e6e
SHA1 hash: ab769fe01ed9ce1bff433356905e84a9c14279cc
MD5 hash: 6aa2ee2bfaff750ab8266c41c6fda649
humanhash: spaghetti-music-twenty-venus
File name:Scan-02.exe
Download: download sample
Signature Formbook
File size:643'777 bytes
First seen:2023-06-27 05:26:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 12288:ZYDPCt5ZeA+VjB2IiNXiSjjhx9NQhp/vwyhFXG/dFaoLSS6YN6gPBlhU:ZYDKpeZsNz5NQh1wa5GVFBSruDO
Threatray 1'957 similar samples on MalwareBazaar
TLSH T1A7D4231A62F1C8E3D09F0AB10D9E2AB939E55C23155C5F5BB364CF89BC3BB51C10E662
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
276
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan-02.exe
Verdict:
Malicious activity
Analysis date:
2023-06-27 05:27:56 UTC
Tags:
autoit

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Unauthorized injection to a recently created process
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to modify clipboard data
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 894831 Sample: Scan-02.exe Startdate: 27/06/2023 Architecture: WINDOWS Score: 100 33 www.alphaconqa.com 2->33 35 alphaconqa.com 2->35 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 4 other signatures 2->49 10 Scan-02.exe 20 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\wflenvps.exe, PE32 10->29 dropped 13 wflenvps.exe 1 2 10->13         started        17 control.exe 10->17         started        process6 file7 31 C:\Users\user\AppData\...\rbkgplueajs.exe, PE32 13->31 dropped 65 Contains functionality to modify clipboard data 13->65 67 Maps a DLL or memory area into another process 13->67 19 wflenvps.exe 13->19         started        signatures8 process9 signatures10 51 Maps a DLL or memory area into another process 19->51 53 Sample uses process hollowing technique 19->53 55 Queues an APC in another process (thread injection) 19->55 22 rbkgplueajs.exe 19->22         started        process11 dnsIp12 37 liith.org 162.214.204.245, 49725, 49726, 49727 UNIFIEDLAYER-AS-1US United States 22->37 39 www.mudwoods.com 217.76.156.252, 49705, 49706, 49707 ONEANDONE-ASBrauerstrasse48DE Spain 22->39 41 16 other IPs or domains 22->41 57 Performs DNS queries to domains with low reputation 22->57 26 rundll32.exe 13 22->26         started        signatures13 process14 signatures15 59 Tries to steal Mail credentials (via file / registry access) 26->59 61 Tries to harvest and steal browser information (history, passwords, etc) 26->61 63 Maps a DLL or memory area into another process 26->63
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-06-27 00:34:54 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
7a0ae24c088c0cfbdb33a8c4e7150006b962c5d8904a785ed06985b5787a983b
MD5 hash:
bac6ffe06f736e237eea17d0ee02c66c
SHA1 hash:
af41a7ba83297ebb2a7ae755a4534d7eb1cc4abb
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
c768297acf4757eac29aa6345f796561915f7e1ed512cb2dc606bc9ae63d9b17
MD5 hash:
4007dfa71ecf8c8babc487ec8e90dd21
SHA1 hash:
a87660e6efdf671fcf241af02d86ad234a96dbb8
SH256 hash:
e439f02b72a882498d512689f380e1323c4d8342578fe8608e81061cf4a8aee1
MD5 hash:
3d90ab79b9719aded136b7cd437ebb21
SHA1 hash:
dbec6e868a293cb0bd58d35191b1423ab8942384
SH256 hash:
7a0ae24c088c0cfbdb33a8c4e7150006b962c5d8904a785ed06985b5787a983b
MD5 hash:
bac6ffe06f736e237eea17d0ee02c66c
SHA1 hash:
af41a7ba83297ebb2a7ae755a4534d7eb1cc4abb
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
c768297acf4757eac29aa6345f796561915f7e1ed512cb2dc606bc9ae63d9b17
MD5 hash:
4007dfa71ecf8c8babc487ec8e90dd21
SHA1 hash:
a87660e6efdf671fcf241af02d86ad234a96dbb8
SH256 hash:
e439f02b72a882498d512689f380e1323c4d8342578fe8608e81061cf4a8aee1
MD5 hash:
3d90ab79b9719aded136b7cd437ebb21
SHA1 hash:
dbec6e868a293cb0bd58d35191b1423ab8942384
SH256 hash:
7a0ae24c088c0cfbdb33a8c4e7150006b962c5d8904a785ed06985b5787a983b
MD5 hash:
bac6ffe06f736e237eea17d0ee02c66c
SHA1 hash:
af41a7ba83297ebb2a7ae755a4534d7eb1cc4abb
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_auto win_formbook_g0 win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
c768297acf4757eac29aa6345f796561915f7e1ed512cb2dc606bc9ae63d9b17
MD5 hash:
4007dfa71ecf8c8babc487ec8e90dd21
SHA1 hash:
a87660e6efdf671fcf241af02d86ad234a96dbb8
SH256 hash:
e439f02b72a882498d512689f380e1323c4d8342578fe8608e81061cf4a8aee1
MD5 hash:
3d90ab79b9719aded136b7cd437ebb21
SHA1 hash:
dbec6e868a293cb0bd58d35191b1423ab8942384
SH256 hash:
a15661ebcc1385f7f9dad588171f02e25fc5049b65f597e195d1feb71bd5c2ea
MD5 hash:
6aa2ee2bfaff750ab8266c41c6fda649
SHA1 hash:
ab769fe01ed9ce1bff433356905e84a9c14279cc
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe a15661ebcc1385f7f9dad588171f02e25fc5049b65f597e195d1feb71bd5c2ea

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments