MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb1d91b9024ca6b6c1990f329d871179ba0a2a0f677095666e081c62e3427020. 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 2 File information Comments

SHA256 hash: eb1d91b9024ca6b6c1990f329d871179ba0a2a0f677095666e081c62e3427020
SHA3-384 hash: 946d42420fb0739fc343d0592c1de5eaeed90b32cb48cd641ddc609eea2eeaf36e690d5164702a548433c25cc2e4679d
SHA1 hash: 38598650684c4d541859f5dac645da3195462bca
MD5 hash: c3c87e7ff795e07351c3d95678e0fefa
humanhash: magnesium-blossom-kilo-utah
File name:eb1d91b9024ca6b6c1990f329d871179ba0a2a0f677095666e081c62e3427020
Download: download sample
Signature Formbook
File size:613'850 bytes
First seen:2023-01-06 10:31:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 12288:TiwZ4t/eH0vFP9eFnR3F6IhS6B9m6SA9UHmqd0zyH/6YmvqHAb:TnhHwFFeFJLBfaHm7zU/6Ymvqw
TLSH T17FD4231815F98C57E34D42F83E71AEA2E9B163055A338C676370CB3C31D59E46B9D28E
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
188
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eb1d91b9024ca6b6c1990f329d871179ba0a2a0f677095666e081c62e3427020
Verdict:
Malicious activity
Analysis date:
2023-01-06 10:33:40 UTC
Tags:
installer 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 process from a recently created file
Creating a window
Сreating synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
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
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
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 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 signatures2 2 Behavior Graph ID: 778918 Sample: YRO4s1O9ic.exe Startdate: 06/01/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 4 other signatures 2->39 9 YRO4s1O9ic.exe 20 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\ahvhdjfo.exe, PE32 9->25 dropped 12 ahvhdjfo.exe 9->12         started        process5 signatures6 51 Machine Learning detection for dropped file 12->51 53 Maps a DLL or memory area into another process 12->53 15 ahvhdjfo.exe 12->15         started        process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 dnsIp10 27 www.127368.buzz 154.213.26.233, 49694, 49695, 49696 YISUCLOUDLTD-AS-APYISUCLOUDLTDHK Seychelles 18->27 29 www.kmuregister.com 82.220.37.8, 49688, 49689, 49690 SOLNETCH Switzerland 18->29 31 3 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 help.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-12-12 13:30:43 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:yurm rat spyware stealer trojan
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
d72636b688f1516d95c5f4284e7bb48b4cdbb84be29602256352eb9bcd201b16
MD5 hash:
67ab1a1d4928f5ad3fa5da8d62da9526
SHA1 hash:
5065f154f716e6938d9364437f91ca8190d74571
SH256 hash:
e439f02b72a882498d512689f380e1323c4d8342578fe8608e81061cf4a8aee1
MD5 hash:
3d90ab79b9719aded136b7cd437ebb21
SHA1 hash:
dbec6e868a293cb0bd58d35191b1423ab8942384
SH256 hash:
eb1d91b9024ca6b6c1990f329d871179ba0a2a0f677095666e081c62e3427020
MD5 hash:
c3c87e7ff795e07351c3d95678e0fefa
SHA1 hash:
38598650684c4d541859f5dac645da3195462bca
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Author:Willi Ballenthin

File information


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

Comments