MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
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SHA256 hash: b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700
SHA3-384 hash: d300524b67180ebdd5069b1307e96418ef3a1410197e772eeb1421b1e09a1add2f67ab4e11b42bc891de42cc83c5c67e
SHA1 hash: 9d50d54229d7b5c77ef2ff5b2e8383d857a72c78
MD5 hash: ffd1f23d797e701acd68c6fafc43ee52
humanhash: echo-florida-cold-quebec
File name:TT2022.12.19.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:231'312 bytes
First seen:2022-12-27 18:17:51 UTC
Last seen:2022-12-27 19:31:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 6144:LkwmZ9d0kAbVgQgvIb3w/zpxuDee5rFrTFFkvyIu2:4Z30b8qARe5ZrTkvyk
TLSH T1F434125936E0DC3BF943C6F1447FD7309774662AA255ABCBEB144FB83E940D2A0491E2
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 Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
TT2022.12.19.exe
Verdict:
Malicious activity
Analysis date:
2022-12-27 18:19:01 UTC
Tags:
installer formbook xloader trojan stealer
Link:
https://app.any.run/tasks/eec41bd3-0cd3-44c9-ab7a-cd102f8ae316

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.64378075.4759.19533.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
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook nemesis overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ab36db0fdf1633326c398d/reports/932a22f2-0ee5-4122-b0c1-989c84556734/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f18e3a21-6fc4-45e2-92dc-4a3217f7bd14
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1141715
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 dropped file
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 774445 Sample: TT2022.12.19.exe Startdate: 27/12/2022 Architecture: WINDOWS Score: 100 34 www.gengutimeless.com 2->34 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 3 other signatures 2->56 12 TT2022.12.19.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\rqpwm.exe, PE32 12->32 dropped 15 rqpwm.exe 12->15         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 15->66 68 Maps a DLL or memory area into another process 15->68 70 Tries to detect virtualization through RDTSC time measurements 15->70 18 rqpwm.exe 15->18         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 18->21 injected process10 dnsIp11 36 www.indumentaria.org 91.195.240.94, 49703, 80 SEDO-ASDE Germany 21->36 38 www.niply.space 64.190.63.111, 49705, 80 NBS11696US United States 21->38 40 9 other IPs or domains 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 25 colorcpl.exe 21->25         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-12-19 09:07:52 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmcou7amegxzuhqxq5db7nsxptifunmpvvbhvdbtuuyujgji44aa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:poub loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221227-wxlgqafg44/
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
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader payload
Formbook
Xloader
Unpacked files
SH256 hash:
ca56268d4001f6d64513e45c19cb38db0953bf755eb4db62660355006549d904
MD5 hash:
b7463fa0d6c8c0845ad95df71146af7d
SHA1 hash:
f96bed594f3bf9447f925a8c18785d6f758c2b6d
Detections:
win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/f6a1fe3c-1e11-4169-b3d2-b9edf7c83f19/
Parent samples :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 hash:
9713a086074e9951c6ba4aff6f801c62ca11935aaea623047f21c6b1516174ac
MD5 hash:
c7b994bf4057f869fbf0fdd87058a5b1
SHA1 hash:
49cd3cb0e992b570ddfb82ee539c91e924fae42d
Link:
https://www.unpac.me/results/f6a1fe3c-1e11-4169-b3d2-b9edf7c83f19/
SH256 hash:
b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700
MD5 hash:
ffd1f23d797e701acd68c6fafc43ee52
SHA1 hash:
9d50d54229d7b5c77ef2ff5b2e8383d857a72c78
Link:
https://www.unpac.me/results/f6a1fe3c-1e11-4169-b3d2-b9edf7c83f19/
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/b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700

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: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.

File information

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

Malspam

Formbook

Executable exe b304ea7c0c21af9a1e1787461fb6577cd05a358fad427a8c33a531449928e700

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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