MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2df9699c284bbd4241206481258a4c7e0a21eec0b4a88ab41cfd58de8d65154a. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2df9699c284bbd4241206481258a4c7e0a21eec0b4a88ab41cfd58de8d65154a
SHA3-384 hash: c34d9658e2dac64418d0f863879d7e4e33f1e7ec7cdeefef1996a7e3ab13461402ef31a8bdf2fc589b3a353f0a15f324
SHA1 hash: 4375371f00c0e2121a6b6902ad6ddd6f13836c23
MD5 hash: 8f974c18e52474d38b4eed8a7dfe8490
humanhash: rugby-bluebird-coffee-spaghetti
File name:rroror9983.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:267'133 bytes
First seen:2023-03-10 19:26:46 UTC
Last seen:2023-03-10 21:27:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:PYa6W4IR3lE+7kCU7iUsrVSHs+Q8SpuccoPQuGKDTpIha:PY44I9d7kCbSHsWSpu3wHTSha
Threatray 2'439 similar samples on MalwareBazaar
TLSH T1FF4412147BF98A37D4A766705C39866BAFE1C3172122669F23109FAE3C35351C60E3A7
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 FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
rroror9983.exe
Verdict:
Malicious activity
Analysis date:
2023-03-10 19:28:44 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/2fc12fde-154d-4967-b094-bc402caced8c

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/373461/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.9793.7310.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Searching for synchronization primitives
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 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/72596/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/640b8487d1a098efbc6256e1/reports/9fbb40f6-a8cc-4f28-99aa-6e13851cd17e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2df9699c284bbd4241206481258a4c7e0a21eec0b4a88ab41cfd58de8d65154a
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/39ee6301-88f2-413a-b2c4-18dff8deeb2e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1191472
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 824348 Sample: rroror9983.exe Startdate: 10/03/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 6 other signatures 2->53 11 rroror9983.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\mlbwddtyb.exe, PE32 11->31 dropped 14 mlbwddtyb.exe 11->14         started        process5 signatures6 65 Maps a DLL or memory area into another process 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 17 mlbwddtyb.exe 14->17         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 20 explorer.exe 2 6 17->20 injected process9 dnsIp10 33 vd009-np-te08.tgtest.site 43.155.15.254, 49699, 80 LILLY-ASUS Japan 20->33 35 www.hypothetical.systems 20->35 37 4 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Uses ipconfig to lookup or modify the Windows network settings 20->57 24 ipconfig.exe 20->24         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2df9699c284bbd4241206481258a4c7e0a21eec0b4a88ab41cfd58de8d65154a/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-03-10 15:14:58 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fx4wthbijo6ueqjamsaslcsmpyfcd3wawsuivna47vmn5dlfcvfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3d269d34d687979b0d73960f880ef5eaf5cd4bf4b90129ce5d6c0c5f8ec58995
Formbook
4e11fcc1a1b57eda0d4a01087856ab72ea159ec8ad1f8430c0db94fb250c65e2
Formbook
7724828eb796d8c3310c8af73e9c19ecf37ad1af5ebc0cbd35efc5d4b36f36d2
Formbook
ab080c6c62ba54b560f3feb271626ae0fe1804834f51eeac008f576f4e1299a0
Formbook
afbccae6537d0602edbc99ef03ec8b89ec23df241079f949c0b8a0aa6f9aa8f0
Formbook
c94cfe8d1abb19cac8d63d9b2d45cc311f04fb02f87a8fc3bde8646970a74fef
Formbook
dc8ac0ea14e9f418a35bd58f5f495282c9eb6a0e5331c197daf21f69f6d29222
Formbook
f51bdb3c0026435904048abffb411be8b57143de59d0e66a3e2dfa3f2e5692ad
Formbook
+ 2'429 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:re29 rat spyware stealer trojan
Link:
https://tria.ge/reports/230310-x53lmsfa58/
Behaviour
Enumerates system info in registry
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:
55dbcca3e82e51a7697b94a25f6502bb8eb556276800634a2ada357b323fd06f
MD5 hash:
558d56d5c47921642a7a268c43f9c98f
SHA1 hash:
454006005090f57886a4a4cba6e5473bfc5b16b3
Link:
https://www.unpac.me/results/1f4ed5e3-22dd-4b63-abe2-bcff5521be1a/
SH256 hash:
2df9699c284bbd4241206481258a4c7e0a21eec0b4a88ab41cfd58de8d65154a
MD5 hash:
8f974c18e52474d38b4eed8a7dfe8490
SHA1 hash:
4375371f00c0e2121a6b6902ad6ddd6f13836c23
Link:
https://www.unpac.me/results/1f4ed5e3-22dd-4b63-abe2-bcff5521be1a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2df9699c284b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2df9699c284bbd4241206481258a4c7e0a21eec0b4a88ab41cfd58de8d65154a

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
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
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.
Rule name:win_formbook_w0
Create hunting rule
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 2df9699c284bbd4241206481258a4c7e0a21eec0b4a88ab41cfd58de8d65154a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/373461/

Comments