MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e11fcc1a1b57eda0d4a01087856ab72ea159ec8ad1f8430c0db94fb250c65e2. 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: 19


Intelligence 19 IOCs YARA 7 File information Comments

SHA256 hash: 4e11fcc1a1b57eda0d4a01087856ab72ea159ec8ad1f8430c0db94fb250c65e2
SHA3-384 hash: 96ac26776665cf85271b1d3e80b9333c8f5583e04e02b572f4e7a94246f531d9edc00893ce1e9c37a654834b2e215368
SHA1 hash: 5b5e9f6a110aac8bd5e38e20d321425b44a65590
MD5 hash: 0b68925d5097cb0f4e5cbd560d3e4648
humanhash: spring-river-pip-ten
File name:bobogint2.1.exe
Download: download sample
Signature Formbook
File size:292'641 bytes
First seen:2023-02-21 14:02:54 UTC
Last seen:2023-02-21 15:29:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:AYa6qZSJJqGQ1Qg4mPJNKhfGcuc0YSe881XRsWv:AYcZaJq1FPJpc0Yd881XRf
Threatray 1'802 similar samples on MalwareBazaar
TLSH T13B5412283790C162F5E20A302E7AE6FD5AA5AE16DD74570B3BE43F9FBE36041C809751
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 e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
bobogint2.1.exe
Verdict:
Malicious activity
Analysis date:
2023-02-21 14:11:24 UTC
Tags:
formbook xloader trojan stealer

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
Searching for synchronization primitives
Searching for the window
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
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.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 812626 Sample: bobogint2.1.exe Startdate: 21/02/2023 Architecture: WINDOWS Score: 100 36 www.1wowoc.top 2->36 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 4 other signatures 2->58 12 bobogint2.1.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\lzjmrs.exe, PE32 12->34 dropped 15 lzjmrs.exe 1 12->15         started        process6 signatures7 68 Detected unpacking (changes PE section rights) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 18 lzjmrs.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 23 explorer.exe 3 6 18->23 injected process10 dnsIp11 38 www.kscompetitions.co.uk 81.17.18.198, 49699, 80 PLI-ASCH Switzerland 23->38 40 www.akypan.top 150.95.255.38, 49698, 80 INTERQGMOInternetIncJP Japan 23->40 42 2 other IPs or domains 23->42 60 System process connects to network (likely due to code injection or exploit) 23->60 27 cmmon32.exe 23->27         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 27->62 64 Maps a DLL or memory area into another process 27->64 66 Tries to detect virtualization through RDTSC time measurements 27->66 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2023-02-21 10:51:28 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 25 (84.00%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b07o rat spyware stealer trojan
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
40ebf932399085c2f7ede858eb9027ee154ff1471df3cbe9405b00a7b36bbd87
MD5 hash:
bc4c9add11198aae29ba077ea1188827
SHA1 hash:
8ea088b498b02b39f24b78d6c9f7a71e9ad49d08
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
1e116f0d931dbb0a3045d8fa396b1affd1e9857b40d6e66fa1796e909555739d
MD5 hash:
dde14da1bd621113f9e8108809193602
SHA1 hash:
ceed138fb443ac5120059b95c809865c64ee48ea
SH256 hash:
4e11fcc1a1b57eda0d4a01087856ab72ea159ec8ad1f8430c0db94fb250c65e2
MD5 hash:
0b68925d5097cb0f4e5cbd560d3e4648
SHA1 hash:
5b5e9f6a110aac8bd5e38e20d321425b44a65590
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.

Comments