MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8770f9d32f3b5b26267d6320c355f576df3d09e49d58e50ac16d044f4cf2cf54. 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 9 File information Comments
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SHA256 hash: 8770f9d32f3b5b26267d6320c355f576df3d09e49d58e50ac16d044f4cf2cf54
SHA3-384 hash: 9fcd3152ac7ef14434f39af83f828efa7e0079eb6cf666265db0a78e920e6bd4ee50eaf0563c22ac9d1cf54da8540f6a
SHA1 hash: 31e7a1dd4e1d981a07d0006254cdafd7ca0c1c23
MD5 hash: 56c21a2796f5c5bdf12603e3e18f59d4
humanhash: purple-august-charlie-seven
File name:HXM030~0.EXE
Download: download sample
Signature Formbook
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File size:303'638 bytes
First seen:2023-02-08 15:19:21 UTC
Last seen:2023-02-09 07:49:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:nYa6FM+2pDlj3uGJpZrJ52Gp0yK0Iqbu2Cz99Dzr2Oc3:nY4+21lruApZNP0yXI6u2CzPeOu
TLSH T14F541290B794C87BDD610472152892356FAA6C3668BE6D4F3798370E7932183DB2F713
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 e4c48c8c949494c4 (4 x Formbook, 1 x NanoCore, 1 x SnakeKeylogger)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
3
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
HXM030~0.EXE
Verdict:
Malicious activity
Analysis date:
2023-02-08 15:22:13 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/f1bb8214-45e4-4ae7-ab88-5eda18cb4bb4

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/362042/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.6.18940.6472.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
Creating a file in the %AppData% subdirectories
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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/66596/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e3bda5459bcf4604ff7d61/reports/9f10cb9c-4533-4b29-a78b-613e95e8ce6b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8770f9d32f3b5b26267d6320c355f576df3d09e49d58e50ac16d044f4cf2cf54
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/c3786542-53f0-4c4e-bf7e-133ab2c302bb
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1168923
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 801705 Sample: HXM030#U007e0.EXE.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 100 46 www.fakero.com 2->46 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 4 other signatures 2->66 12 HXM030#U007e0.EXE.exe 19 2->12         started        signatures3 process4 file5 42 C:\Users\user\AppData\Local\...\ckqrbmz.exe, PE32 12->42 dropped 15 ckqrbmz.exe 1 2 12->15         started        process6 file7 44 C:\Users\user\AppData\...\ritsmcvogaaby.exe, PE32 15->44 dropped 52 Multi AV Scanner detection for dropped file 15->52 54 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->54 56 Maps a DLL or memory area into another process 15->56 58 Tries to detect virtualization through RDTSC time measurements 15->58 19 ckqrbmz.exe 15->19         started        signatures8 process9 signatures10 68 Modifies the context of a thread in another process (thread injection) 19->68 70 Maps a DLL or memory area into another process 19->70 72 Sample uses process hollowing technique 19->72 74 Queues an APC in another process (thread injection) 19->74 22 explorer.exe 7 2 19->22 injected process11 dnsIp12 50 www.coolimages.biz 91.195.240.68, 49687, 80 SEDO-ASDE Germany 22->50 76 System process connects to network (likely due to code injection or exploit) 22->76 26 wlanext.exe 22->26         started        29 ritsmcvogaaby.exe 22->29         started        31 ritsmcvogaaby.exe 22->31         started        signatures13 process14 signatures15 78 Modifies the context of a thread in another process (thread injection) 26->78 80 Maps a DLL or memory area into another process 26->80 82 Tries to detect virtualization through RDTSC time measurements 26->82 33 cmd.exe 1 26->33         started        84 Multi AV Scanner detection for dropped file 29->84 35 WerFault.exe 10 29->35         started        37 WerFault.exe 10 31->37         started        process16 dnsIp17 40 conhost.exe 33->40         started        48 192.168.2.1 unknown unknown 37->48 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8770f9d32f3b5b26267d6320c355f576df3d09e49d58e50ac16d044f4cf2cf54/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2023-02-08 09:35:16 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q5yptuzphnnsmjt5mmqmgvpvo3pt2cpetvmokcwbnuce6thsz5ka._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 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/230208-sqrhlsbe6w/
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
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Formbook payload
Formbook
Unpacked files
SH256 hash:
abded07bd212f8caa7ef6fca23e94e8bab80c11d1d62425d1e3fba8c6a9fb5f5
MD5 hash:
87f660a29941487a8f98eee2bdf0151f
SHA1 hash:
07bf214588a5e1859407b49b3b03512a9346fe96
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/430030ee-78cf-4a64-82ef-4113302707cb/
Parent samples :
fc3d76ed49eec628b68edd00a4eddc93a027091aad8fc59991c26b039a81e531
b2edb64ef798a43a9135ba4d0fea509e72e7d640bcc7e64cfe6b6203a4b1d837
8770f9d32f3b5b26267d6320c355f576df3d09e49d58e50ac16d044f4cf2cf54
SH256 hash:
bd84ed18ef6aeffb7460b5cc47504477c27e9b4399af663d44843bcba0cfa8a0
MD5 hash:
81e73b2d3348bb1286ea0adafdba1834
SHA1 hash:
a7abe1ba554ad050be1f8c6ca10ee0df03f43e39
Link:
https://www.unpac.me/results/430030ee-78cf-4a64-82ef-4113302707cb/
SH256 hash:
8770f9d32f3b5b26267d6320c355f576df3d09e49d58e50ac16d044f4cf2cf54
MD5 hash:
56c21a2796f5c5bdf12603e3e18f59d4
SHA1 hash:
31e7a1dd4e1d981a07d0006254cdafd7ca0c1c23
Link:
https://www.unpac.me/results/430030ee-78cf-4a64-82ef-4113302707cb/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8770f9d32f3b/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/8770f9d32f3b5b26267d6320c355f576df3d09e49d58e50ac16d044f4cf2cf54

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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
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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

img a9351b9b74ef0244d678c907db4003e2a7a25f5678cc540b9e65615135958737

Formbook

Executable exe 8770f9d32f3b5b26267d6320c355f576df3d09e49d58e50ac16d044f4cf2cf54

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 a9351b9b74ef0244d678c907db4003e2a7a25f5678cc540b9e65615135958737
Cape
Cape
https://www.capesandbox.com/analysis/362042/
  
Dropped by
MD5 7d27f673e83e0c656871292ac1dd41e2

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