MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49b9d1d18db314169a965dd873c7811b055675d2342a19f82a6c4ad3c3a5d324. 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 5 File information Comments
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SHA256 hash: 49b9d1d18db314169a965dd873c7811b055675d2342a19f82a6c4ad3c3a5d324
SHA3-384 hash: 3760eb76624d364a859f1945f0365768a278f4ff4cf09b77cb118c1cc658e591566459fe92596bea68570ca7674bd3d8
SHA1 hash: bf2328c1d812a511afefe8b390f0645ed5acf17e
MD5 hash: 19bddaeb1d8938d66673c1112d8d471c
humanhash: social-oregon-asparagus-foxtrot
File name:19bddaeb1d8938d66673c1112d8d471c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:356'416 bytes
First seen:2023-01-12 15:46:51 UTC
Last seen:2023-01-12 17:36:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6CSz3M2skORlRU6dRqgcj3iaQ6UB0tCA6CT4MaBXazV:/YVbM2svlRHdMgcjBQlBrpMxV
TLSH T15B74262C12FB827DE0C0E473E6A74A71A5E44C1FFC8499D6A6587C2D39BE4E5420DD8B
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 62c293b2eacebeba (1 x NanoCore, 1 x AgentTesla, 1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
19bddaeb1d8938d66673c1112d8d471c.exe
Verdict:
Malicious activity
Analysis date:
2023-01-12 15:50:12 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/c78c15a4-ce59-4b84-8944-886a660a0cae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/352344/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.8403.486.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
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c02b7da8d8c7dd03205b26/reports/7af1adcd-f07e-44bc-95c3-7d3fe5dab6ad/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/fee43984-504d-47e0-b0a9-22db2a2e3cb8
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1150474
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
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
Performs DNS queries to domains with low reputation
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: 783217 Sample: QWs43llbBF.exe Startdate: 12/01/2023 Architecture: WINDOWS Score: 100 34 www.ebugrea.club 2->34 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 4 other signatures 2->54 12 QWs43llbBF.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\sotxlwcss.exe, PE32 12->32 dropped 15 sotxlwcss.exe 12->15         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 15->66 68 Detected unpacking (changes PE section rights) 15->68 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->70 72 3 other signatures 15->72 18 sotxlwcss.exe 15->18         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 18->40 42 Maps a DLL or memory area into another process 18->42 44 Sample uses process hollowing technique 18->44 46 Queues an APC in another process (thread injection) 18->46 21 explorer.exe 1 18->21 injected process10 dnsIp11 36 www.hukaol.xyz 184.94.215.211, 49696, 80 VXCHNGE-NC01US United States 21->36 38 www.saidancustomeramazon.com 21->38 56 System process connects to network (likely due to code injection or exploit) 21->56 58 Performs DNS queries to domains with low reputation 21->58 25 cmmon32.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/49b9d1d18db314169a965dd873c7811b055675d2342a19f82a6c4ad3c3a5d324/
Threat name:
Win32.Trojan.NSISInject
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Status:
Malicious
First seen:
2023-01-11 17:17:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 41 (60.98%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jg45dumnwmkbnguwlxmhhr4bdmcvm5osgqvbt6bknrfnhq5f2msa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:pe63 rat spyware stealer trojan
Link:
https://tria.ge/reports/230112-s77wxsge72/
Behaviour
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
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0256182d-5fa4-4d4a-b175-393d375a7407
Unpacked files
SH256 hash:
86610d8301d5a02b325c12fa05b79ec40cfad7f208638d56a7fc73abf4fb4ee1
MD5 hash:
6acfaba232d9c65a1317a90997b183b6
SHA1 hash:
40641ff46fe66002959e38e77fbd5b02dd277563
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4cf8fde9-a07d-4948-a751-2fe7629843d8/
Parent samples :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 hash:
31a0f6442eadd15f5488eb2fc707549e5664cbeb0236a3dfa4d57f8a457b9b17
MD5 hash:
21fabae50803b642712c3a0aa78db179
SHA1 hash:
3271a1cebe0865202f5699a160e3df542dce3751
Link:
https://www.unpac.me/results/4cf8fde9-a07d-4948-a751-2fe7629843d8/
SH256 hash:
49b9d1d18db314169a965dd873c7811b055675d2342a19f82a6c4ad3c3a5d324
MD5 hash:
19bddaeb1d8938d66673c1112d8d471c
SHA1 hash:
bf2328c1d812a511afefe8b390f0645ed5acf17e
Link:
https://www.unpac.me/results/4cf8fde9-a07d-4948-a751-2fe7629843d8/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/49b9d1d18db3/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/49b9d1d18db314169a965dd873c7811b055675d2342a19f82a6c4ad3c3a5d324

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.

Web download

Formbook

Executable exe 49b9d1d18db314169a965dd873c7811b055675d2342a19f82a6c4ad3c3a5d324

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2503639/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/352344/

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