MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0cf04aa0803e2075837ea0ff69ba2b7d50884eff30677baa63770b467d952415. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0cf04aa0803e2075837ea0ff69ba2b7d50884eff30677baa63770b467d952415
SHA3-384 hash: adfb7b76d3787187347b7cc261ca3decc6299606f10fef88fff993fb75baa1efeb6ab7daae023734c247eeaa88cac3db
SHA1 hash: 43b761a52711ae4df15c0fc147dbc23cc136d4e7
MD5 hash: 5b367bdf745429ebd7e993a3ca300bc8
humanhash: yellow-coffee-violet-magnesium
File name:SecuriteInfo.com.Trojan.InjectNET.50.17926.10554
Download: download sample
Signature Formbook
Create hunting rule
File size:457'856 bytes
First seen:2022-10-05 02:07:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:OBOhZY46wruIbOtCSnFkVj8Ek0Nf0OYjjfAe5pROOmaCitV4mvaa+l:qaYJKuOwkVw70BYjFOOma7vaN
TLSH T108A41575A1F16AC5F996CEB29E20E209FFE70D419A41820FE17439F61633B84D6091FE
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/316689/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.50.17926.10554.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
80%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/633ce703d089a0c15dd53d90/reports/0fb27274-7508-43d0-8291-7a54b9ee8a20/overview
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/f143c66e-0688-456f-8a26-5d1c500ff0e0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1083802
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 716359 Sample: SecuriteInfo.com.Trojan.Inj... Startdate: 05/10/2022 Architecture: WINDOWS Score: 100 32 www.saunacharlotte.com 2->32 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 4 other signatures 2->44 9 SecuriteInfo.com.Trojan.InjectNET.50.17926.10554.exe 1 2->9         started        signatures3 process4 file5 24 SecuriteInfo.com.T...17926.10554.exe.log, CSV 9->24 dropped 54 Writes to foreign memory regions 9->54 56 Allocates memory in foreign processes 9->56 58 Injects a PE file into a foreign processes 9->58 60 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 9->60 13 aspnet_compiler.exe 9->13         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 13->62 64 Maps a DLL or memory area into another process 13->64 66 Sample uses process hollowing technique 13->66 68 Queues an APC in another process (thread injection) 13->68 16 explorer.exe 13->16 injected process9 dnsIp10 26 www.deervalleylimos.com 107.149.14.182, 80 PEGTECHINCUS United States 16->26 28 www.admtinytoystrinkets.com 74.208.236.5, 49706, 49707, 49710 ONEANDONE-ASBrauerstrasse48DE United States 16->28 30 2 other IPs or domains 16->30 36 System process connects to network (likely due to code injection or exploit) 16->36 20 cscript.exe 13 16->20         started        signatures11 process12 dnsIp13 34 www.deervalleylimos.com 20->34 46 Tries to steal Mail credentials (via file / registry access) 20->46 48 Tries to harvest and steal browser information (history, passwords, etc) 20->48 50 Modifies the context of a thread in another process (thread injection) 20->50 52 Maps a DLL or memory area into another process 20->52 signatures14
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0cf04aa0803e2075837ea0ff69ba2b7d50884eff30677baa63770b467d952415/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-10-05 01:14:02 UTC
AV detection:
26 of 40 (65.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=btyevieahyqhla36ud7wtorlpviiqtx7gbtxxktdo4fum7mveqkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:0yv3 rat spyware stealer trojan
Link:
https://tria.ge/reports/221005-ckjyksdah3/
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
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a1010bb2-65de-438d-bcdd-6f088c5eae80
Unpacked files
SH256 hash:
831262ed498fd86477d5d2c2c453f813083cb7046be10d8850e1947d40e9785c
MD5 hash:
38e3b2a84512d23325c2e224555f2c83
SHA1 hash:
433ba64e887a1957c0bd42025a3b4009e333157e
Link:
https://www.unpac.me/results/4045f83d-bf24-4090-b63b-a56d7f6ed4d7/
SH256 hash:
37c1fa0a653a67144e2a5dd767b2c9241ab04e24b66483106157889219fb0d93
MD5 hash:
fb44bcd2074ea99cdbd39534dfb2fa93
SHA1 hash:
37ef68827a48e4e8ad9409eb8c6177a685221b76
Link:
https://www.unpac.me/results/4045f83d-bf24-4090-b63b-a56d7f6ed4d7/
SH256 hash:
0cf04aa0803e2075837ea0ff69ba2b7d50884eff30677baa63770b467d952415
MD5 hash:
5b367bdf745429ebd7e993a3ca300bc8
SHA1 hash:
43b761a52711ae4df15c0fc147dbc23cc136d4e7
Link:
https://www.unpac.me/results/4045f83d-bf24-4090-b63b-a56d7f6ed4d7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0cf04aa0803e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/0cf04aa0803e2075837ea0ff69ba2b7d50884eff30677baa63770b467d952415

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest8
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Cape
Cape
https://www.capesandbox.com/analysis/316689/

Comments