MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bcad770ca8cf0c4b4ace7350195f8ec1ec889d08dcb21a44afa10d0f7851302. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bcad770ca8cf0c4b4ace7350195f8ec1ec889d08dcb21a44afa10d0f7851302
SHA3-384 hash: ca3d6195fd8186ad6f6d6b8e937dcff244b2fbefc2da0b159f14d7400e2b733a8a8e703c3fde03d07435519671e4898d
SHA1 hash: c80b8a79ae058bb827b7f433a20871fffbc502d9
MD5 hash: 2c75e0d0026c336ec419a5f4b4599c2e
humanhash: glucose-florida-four-beer
File name:shedan2.1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:493'731 bytes
First seen:2022-10-26 13:16:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:ZweEuT1FrveFg5ny98fV4ua0jukvtvoT+VnH43yQK2K/vbHNTfXDjwi:1T3ygBy+ftty+pHpQ7AHNr/wi
TLSH T1D7B4E06A7756B012C45A48B3CEFAC6E4B038EC00AA616B5333157B2F2D78666D7C13F5
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0458b8bcbcd80882 (1 x RedLineStealer, 1 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
shedan2.1.exe
Verdict:
Malicious activity
Analysis date:
2022-10-26 13:16:59 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/c1350fe7-a1b8-43aa-ac8c-599536f559d2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/324386/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
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
Link:
https://dragonfly.certego.net/analysis/45648/overview
Behaviour
MalwareBazaar
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cb03da9b-65e8-48f9-ac95-e03177f72f98
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1098402
Signature
Antivirus detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 731049 Sample: shedan2.1.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 3 other signatures 2->53 11 shedan2.1.exe 18 2->11         started        process3 file4 33 C:\Users\user\AppData\Local\Temp\ccwwjn.exe, PE32 11->33 dropped 14 ccwwjn.exe 1 11->14         started        process5 signatures6 63 Antivirus detection for dropped file 14->63 65 Machine Learning detection for dropped file 14->65 67 Maps a DLL or memory area into another process 14->67 69 Tries to detect virtualization through RDTSC time measurements 14->69 17 ccwwjn.exe 14->17         started        20 conhost.exe 14->20         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 22 explorer.exe 17->22 injected process9 dnsIp10 35 www.entel04.online 45.173.130.28, 49695, 80 VPSGURUCHILESPACL Chile 22->35 37 www.createorcollect.com 22->37 55 System process connects to network (likely due to code injection or exploit) 22->55 26 cmd.exe 22->26         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 26->57 59 Maps a DLL or memory area into another process 26->59 61 Tries to detect virtualization through RDTSC time measurements 26->61 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bcad770ca8cf0c4b4ace7350195f8ec1ec889d08dcb21a44afa10d0f7851302/
Threat name:
Win32.Trojan.GenericML
Create hunting rule
Status:
Malicious
First seen:
2022-10-26 14:40:21 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpfno4gkrtymjnfm442qdfpy5qpmrcoqrxfsdjck7iinb54fcmba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sk29 rat spyware stealer trojan
Link:
https://tria.ge/reports/221026-qjcprsfhaj/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Gathering data
Unpacked files
SH256 hash:
1d39efad8321fe29d1aea9f37bf318e735130456214cfc0b6e3a69bd13eb9244
MD5 hash:
e298da29d8df3c19d4722b2b23ef9360
SHA1 hash:
b9e2bc6b7af204ef9627c3c67fdb87cf92d4ffb2
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7618b16b-90a8-42ef-b444-a7fd67253159/
Parent samples :
0b504e6f2a283de75673bbe913c5032b02cc6a92888f4dfab895f79104b11103
c292ddac09c57630068c0ed4b57ea874549ec12627cfcaf0a25277b26d042b46
e838d341d05fb719bcecd3cd2d7e252829392600f2fcb0e6b20bec5415531d8c
4bcad770ca8cf0c4b4ace7350195f8ec1ec889d08dcb21a44afa10d0f7851302
SH256 hash:
b4fa29cfa53ca3a172a27fb01c0a145bff7e883711152f9d6149836a54e56510
MD5 hash:
f0553f19875449f78ac6e4be16585777
SHA1 hash:
32af94e60a3bb1c47ac849c893da8bd45e3bcb0b
Link:
https://www.unpac.me/results/7618b16b-90a8-42ef-b444-a7fd67253159/
SH256 hash:
4bcad770ca8cf0c4b4ace7350195f8ec1ec889d08dcb21a44afa10d0f7851302
MD5 hash:
2c75e0d0026c336ec419a5f4b4599c2e
SHA1 hash:
c80b8a79ae058bb827b7f433a20871fffbc502d9
Link:
https://www.unpac.me/results/7618b16b-90a8-42ef-b444-a7fd67253159/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/4bcad770ca8cf0c4b4ace7350195f8ec1ec889d08dcb21a44afa10d0f7851302

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/324386/

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