MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7
SHA3-384 hash: b13cf6838bc53fabd02943885c4a86e9e2cb9baa54cc791b536d69cd32af9b2c630eff7d1ede283c4b112e6a0943851c
SHA1 hash: 0d6273e8c20f9521df80b8dd5b22252bdf554a86
MD5 hash: f15b261228ef2d9060730543739abd09
humanhash: mike-oven-kitten-earth
File name:QUOTES~0.EXE
Download: download sample
Signature FormBook
Create hunting rule
File size:409'419 bytes
First seen:2023-01-24 14:00:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:IYa6vkDt/cnsThphI8z/F6zFaIWZ94pmVC+GHfgz4:IY1kDt/hiBa994cHGHI0
TLSH T19394AC03EBB6ED77D6F176FB0415B1151D6D6E910CE27686326CB588FEB3A02D848283
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 07d0d8dcd4d8d007 (8 x RemcosRAT, 7 x FormBook, 2 x AgentTesla)
Reporter cocaman
Tags:exe FormBook QUOTATION

Intelligence

File Origin
# of uploads :
1
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
QUOTES~0.EXE
Verdict:
Malicious activity
Analysis date:
2023-01-24 14:03:05 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/138c81b7-f789-4b6f-b3e8-31e79960ebe9

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/356395/
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
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Sending a custom TCP request
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/62759/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63cfe4a12b351a3d0ea83c6b/reports/47defaae-086f-4627-98d9-15ff872e31fd/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4a990ef-9258-4a7c-ab41-1fae63fe87f5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1157922
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Detected unpacking (changes PE section rights)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 790659 Sample: QUOTES#U007e0.EXE.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 100 45 www.cleaning-services-80255.com 2->45 63 Snort IDS alert for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for URL or domain 2->67 69 6 other signatures 2->69 12 QUOTES#U007e0.EXE.exe 19 2->12         started        signatures3 process4 file5 41 C:\Users\user\AppData\Local\Temp\mgcht.exe, PE32 12->41 dropped 15 mgcht.exe 12->15         started        process6 signatures7 81 Multi AV Scanner detection for dropped file 15->81 83 Detected unpacking (changes PE section rights) 15->83 85 Maps a DLL or memory area into another process 15->85 87 Tries to detect virtualization through RDTSC time measurements 15->87 18 mgcht.exe 15->18         started        process8 signatures9 55 Modifies the context of a thread in another process (thread injection) 18->55 57 Maps a DLL or memory area into another process 18->57 59 Sample uses process hollowing technique 18->59 61 Queues an APC in another process (thread injection) 18->61 21 explorer.exe 1 1 18->21 injected process10 dnsIp11 47 www.ibbs.site 21->47 49 www.garl.africa 21->49 51 3 other IPs or domains 21->51 71 System process connects to network (likely due to code injection or exploit) 21->71 25 svchost.exe 18 21->25         started        29 autoconv.exe 21->29         started        signatures12 process13 file14 37 C:\Users\user\AppData\...\3MNlogrv.ini, data 25->37 dropped 39 C:\Users\user\AppData\...\3MNlogri.ini, data 25->39 dropped 73 Detected FormBook malware 25->73 75 Tries to steal Mail credentials (via file / registry access) 25->75 77 Tries to harvest and steal browser information (history, passwords, etc) 25->77 79 3 other signatures 25->79 31 cmd.exe 2 25->31         started        signatures15 process16 file17 43 C:\Users\user\AppData\Local\Temp\DB1, SQLite 31->43 dropped 53 Tries to harvest and steal browser information (history, passwords, etc) 31->53 35 conhost.exe 31->35         started        signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jbz2xleab4oclfh57cacxbhm7pnx44cmbvdp6xw7m32g5r5gsltq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:rs11 rat spyware stealer trojan
Link:
https://tria.ge/reports/230124-rbjnsaca82/
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
70e675f2443de667be45f28a9891adb7ff291c6d2442d0176471b9180ce9cd41
MD5 hash:
9edc252a2333df559040a827f34b1321
SHA1 hash:
a84015c88d790fe89a37ca2fc497f547ff0d040f
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3c710416-b43e-4ebc-b9b2-61af76e7f1d0/
Parent samples :
4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7
b3fe3de729e3bacd16f951173d7e42ec7fae5bf90909cece61e782282fd96ced
c4ab14d93e54b2c6e70fa0f284cee729b56186894dfdff4207cbc3d0c690c80f
b2b22793cf3b49d769cb7f05175d9ca3b9201faa719ccc8a1c000abafce87386
SH256 hash:
81b1f9a2b71dd300e7c50f418516ea0e03f0c952a1a0bc67066647c75299fc9a
MD5 hash:
3370874ae98a504687a619743aa772a2
SHA1 hash:
00ad3097db98c56a019a8f41d82770eb9bda41d5
Link:
https://www.unpac.me/results/3c710416-b43e-4ebc-b9b2-61af76e7f1d0/
SH256 hash:
4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7
MD5 hash:
f15b261228ef2d9060730543739abd09
SHA1 hash:
0d6273e8c20f9521df80b8dd5b22252bdf554a86
Link:
https://www.unpac.me/results/3c710416-b43e-4ebc-b9b2-61af76e7f1d0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4873abac800f/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/4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7

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.

File information

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

Malspam

FormBook

img 9347ae026aab2c86f134615a932ab0244f25cc8c994ce8ed96ca07c698c7e743

FormBook

Executable exe 4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 9347ae026aab2c86f134615a932ab0244f25cc8c994ce8ed96ca07c698c7e743
Cape
Cape
https://www.capesandbox.com/analysis/356395/
  
Dropped by
MD5 fb1382c88ab553864413df9410063163

Comments