MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 478ab1dab077a9bd7820dbfe42f00169c9e72d2198787ef3f422390127e334d4. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
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SHA256 hash: 478ab1dab077a9bd7820dbfe42f00169c9e72d2198787ef3f422390127e334d4
SHA3-384 hash: 58e65f7c64193a8fe98469f136f66952b52bd450f2cbfc44eabb09d9f07481bbe34828f12f92f8aea3b8563de56791e9
SHA1 hash: 8c16e6d99e63111e3b6254abdf4934d81e68f4cb
MD5 hash: d5e14c00983763432e71428e6f3fff0b
humanhash: lake-oregon-freddie-skylark
File name:HKNMTAMD.EXE
Download: download sample
Signature Formbook
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File size:84'480 bytes
First seen:2022-08-29 14:17:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:yW1AZtNpd2T5TqpZKX+DKhN4fEeZGm/yg87hIMDCx7v5zKS2OVHxIhQ5Q6BuW:lCfLd2T5TqpZKX+DKhN4fEeZGm/yg87Y
TLSH T1A283B8A1F155CCDAE86691B98C5FDC201192A69ED4B2560E30D73B3EA9F335310A7E0F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 79e4e4ccccc4c4c0 (11 x Formbook, 9 x RedLineStealer, 3 x AgentTesla)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
314
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HKNMTAMD.EXE
Verdict:
Suspicious activity
Analysis date:
2022-08-29 14:20:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8f1b2db5-ea17-4c22-9cb2-18762448647e

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/302263/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/630ccaba27576b0fd0497ab0/reports/4e6edadc-76ab-42d6-8079-a5dad501dffb/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/dc9a9001-fee5-463f-9f1b-08f56df0f303
Result
Threat name:
AsyncRAT, FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1059925
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AsyncRAT
Yara detected FormBook
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 692441 Sample: HKNMTAMD.EXE.exe Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 9 other signatures 2->42 7 HKNMTAMD.EXE.exe 18 8 2->7         started        process3 dnsIp4 34 cdn.discordapp.com 162.159.133.233, 443, 49708 CLOUDFLARENETUS United States 7->34 26 C:\Users\user\AppData\Roaming\...\Chrome.exe, PE32 7->26 dropped 28 C:\Users\user\...\Chrome.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\...\HKNMTAMD.EXE.exe.log, ASCII 7->30 dropped 44 Creates an undocumented autostart registry key 7->44 46 Encrypted powershell cmdline option found 7->46 12 MSBuild.exe 7->12         started        15 AcroRd32.exe 42 7->15         started        17 powershell.exe 18 7->17         started        file5 signatures6 process7 signatures8 48 Modifies the context of a thread in another process (thread injection) 12->48 50 Maps a DLL or memory area into another process 12->50 52 Tries to detect virtualization through RDTSC time measurements 12->52 54 Queues an APC in another process (thread injection) 12->54 19 explorer.exe 12->19 injected 21 RdrCEF.exe 69 15->21         started        24 conhost.exe 17->24         started        process9 dnsIp10 32 192.168.2.1 unknown unknown 21->32
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/478ab1dab077a9bd7820dbfe42f00169c9e72d2198787ef3f422390127e334d4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-24 10:43:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i6fldwvqo6u326ba3p7ef4abnhe6oljbtb4h547uei4qcj7dgtka._file
Verdict:
malicious
Label(s):
formbook
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masslogger
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:im10 rat spyware stealer trojan
Link:
https://tria.ge/reports/220829-rl9mysadgm/
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
478ab1dab077a9bd7820dbfe42f00169c9e72d2198787ef3f422390127e334d4
MD5 hash:
d5e14c00983763432e71428e6f3fff0b
SHA1 hash:
8c16e6d99e63111e3b6254abdf4934d81e68f4cb
Link:
https://www.unpac.me/results/95d518b8-ad43-4fe1-806f-4ed9fcc483de/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/478ab1dab077a9bd7820dbfe42f00169c9e72d2198787ef3f422390127e334d4

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

Formbook

img 24953c05197d8569911e16731fca7c21dded635d640c0ea3c0280d39a382c02a

Formbook

Executable exe 478ab1dab077a9bd7820dbfe42f00169c9e72d2198787ef3f422390127e334d4

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 24953c05197d8569911e16731fca7c21dded635d640c0ea3c0280d39a382c02a
Cape
Cape
https://www.capesandbox.com/analysis/302263/
  
Dropped by
MD5 dd6816412b70b2a9f746512a4353115a

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