MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2b22793cf3b49d769cb7f05175d9ca3b9201faa719ccc8a1c000abafce87386. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments
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SHA256 hash: b2b22793cf3b49d769cb7f05175d9ca3b9201faa719ccc8a1c000abafce87386
SHA3-384 hash: fdfc07c32939f44c380037f3496f97e4a76a2a658b8dc90c2eb547d481a8d6014672f22bcb62ebf78c7feb276095cb80
SHA1 hash: 41fba0db8b9ce4b0aed53dad68f364d8720b6810
MD5 hash: e1821349a19731861d7784713e3295b6
humanhash: thirteen-pasta-may-fourteen
File name:HXM030055001.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:301'694 bytes
First seen:2023-02-08 15:19:00 UTC
Last seen:2023-02-09 07:49:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:nYa6veNblBC1FRriU2lO/zNKCAmTDeOzyedd+z5JI9tjyjN:nYsNJIRk4KiVdc5anE
TLSH T18C541248B6C0C457FD6309F3DD3A85BA77A29E10C4A9560F93607E5EB476602CD1F326
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 d1d1d1e4d4c0d4d4 (2 x Formbook, 1 x DBatLoader, 1 x CobianRAT)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
3
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
HXM030055001.exe
Verdict:
Malicious activity
Analysis date:
2023-02-08 15:22:12 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/f213723c-e906-4e47-827e-31b047612945

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/362041/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.16372.19312.28100.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/66595/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e3bd68459bcf4604ff7d41/reports/404ad794-873d-4033-b45d-a787312d0f13/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b2b22793cf3b49d769cb7f05175d9ca3b9201faa719ccc8a1c000abafce87386
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/d3b3123f-68bb-419b-95cb-e03cd56e2092
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1168928
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 801708 Sample: HXM030055001.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 100 43 www.moteru40.net 2->43 59 Snort IDS alert for network traffic 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 5 other signatures 2->65 12 HXM030055001.exe 19 2->12         started        signatures3 process4 file5 39 C:\Users\user\AppData\Local\...\ecxdyqgws.exe, PE32 12->39 dropped 15 ecxdyqgws.exe 12->15         started        process6 signatures7 81 Multi AV Scanner detection for dropped file 15->81 83 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 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 ecxdyqgws.exe 15->18         started        process8 signatures9 51 Modifies the context of a thread in another process (thread injection) 18->51 53 Maps a DLL or memory area into another process 18->53 55 Sample uses process hollowing technique 18->55 57 Queues an APC in another process (thread injection) 18->57 21 explorer.exe 2 1 18->21 injected process10 dnsIp11 45 www.natsukichii.net 162.43.121.148, 49696, 49697, 80 CYBERTRAILSUS United States 21->45 47 shops.mycartpanda.com 104.16.99.51, 49698, 49699, 80 CLOUDFLARENETUS United States 21->47 49 2 other IPs or domains 21->49 67 System process connects to network (likely due to code injection or exploit) 21->67 69 Uses ipconfig to lookup or modify the Windows network settings 21->69 25 ipconfig.exe 18 21->25         started        signatures12 process13 file14 35 C:\Users\user\AppData\...3561logrv.ini, data 25->35 dropped 37 C:\Users\user\AppData\...3761logri.ini, data 25->37 dropped 71 Detected FormBook malware 25->71 73 Tries to steal Mail credentials (via file / registry access) 25->73 75 Tries to harvest and steal browser information (history, passwords, etc) 25->75 77 3 other signatures 25->77 29 cmd.exe 2 25->29         started        signatures15 process16 file17 41 C:\Users\user\AppData\Local\Temp\DB1, SQLite 29->41 dropped 79 Tries to harvest and steal browser information (history, passwords, etc) 29->79 33 conhost.exe 29->33         started        signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2b22793cf3b49d769cb7f05175d9ca3b9201faa719ccc8a1c000abafce87386/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2023-02-08 08:47:46 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=wkzcpe6phne5o2olp4croxm4uo4sah5kogomzcq4aaflv7hiooda._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:rs11 rat spyware stealer trojan
Link:
https://tria.ge/reports/230208-sp6wxacb59/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
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/209a374d-c116-427c-9ad3-7e7a09efb881/
Parent samples :
4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7
b3fe3de729e3bacd16f951173d7e42ec7fae5bf90909cece61e782282fd96ced
c4ab14d93e54b2c6e70fa0f284cee729b56186894dfdff4207cbc3d0c690c80f
b2b22793cf3b49d769cb7f05175d9ca3b9201faa719ccc8a1c000abafce87386
SH256 hash:
382c6f82c2786c4accbff45c5f4d946377baebfa1b9cbc14efcf52a3931d2679
MD5 hash:
5c78e972a350a91e4a3c559726d8a7a7
SHA1 hash:
3214a5692ec704c252efbfcfc7f3ae7f7ef292c4
Link:
https://www.unpac.me/results/209a374d-c116-427c-9ad3-7e7a09efb881/
SH256 hash:
b2b22793cf3b49d769cb7f05175d9ca3b9201faa719ccc8a1c000abafce87386
MD5 hash:
e1821349a19731861d7784713e3295b6
SHA1 hash:
41fba0db8b9ce4b0aed53dad68f364d8720b6810
Link:
https://www.unpac.me/results/209a374d-c116-427c-9ad3-7e7a09efb881/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b2b22793cf3b/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/b2b22793cf3b49d769cb7f05175d9ca3b9201faa719ccc8a1c000abafce87386

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

z e72da4b0bef3c6d00ceccd0a209531185444ea39361a0b302175df096e6d5f6e

FormBook

Executable exe b2b22793cf3b49d769cb7f05175d9ca3b9201faa719ccc8a1c000abafce87386

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 e72da4b0bef3c6d00ceccd0a209531185444ea39361a0b302175df096e6d5f6e
Cape
Cape
https://www.capesandbox.com/analysis/362041/
  
Dropped by
MD5 cdee4eb82f0ff3f9a139e9b6b4e0e859

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