MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48974d28f3869787358567dd2ae6295548b0fa3fc29b6e63af567f494a612aa2. 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: 15


Intelligence 15 IOCs YARA 21 File information Comments

SHA256 hash: 48974d28f3869787358567dd2ae6295548b0fa3fc29b6e63af567f494a612aa2
SHA3-384 hash: 493f728e48cc7ad106d292fad739d88c431c323a6731ed8832ce63d22834b53d7cdfbf01f564bc3bd8e530cd464d9d83
SHA1 hash: 18e79e42862c00c5bb76f8bd67b8805e1d77976f
MD5 hash: c27d4d4010510abe0529ebbbe8273a65
humanhash: three-robert-jersey-juliet
File name:Solicitud de precio (ORDEN DE COMPRA A4-000004024).bat
Download: download sample
Signature Formbook
File size:654'848 bytes
First seen:2024-02-08 03:48:06 UTC
Last seen:2024-02-08 05:25:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:8MRoIFFHgeg/cz0US8LjiEmmnw7QPOLVJLzkb4KSR5gZamxIPwUkBVaBExc5qE:lRXFxIojFH09hRbKS4ZIzKaB+sqE
TLSH T18FD4028433FD8307D53A6BF672B415402771F96625F2E3C81E81B0DEA662B448E19FA7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter V3n0mStrike
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
370
Origin country :
CL CL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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.
Result
Threat name:
FormBook, PureLog Stealer
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 domain / URL
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 AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1388794 Sample: Solicitud de precio (ORDEN ... Startdate: 08/02/2024 Architecture: WINDOWS Score: 100 34 www.yxys.xyz 2->34 36 www.sterlingconcorde.com 2->36 38 4 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 50 12 other signatures 2->50 11 Solicitud de precio (ORDEN DE COMPRA A4-000004024).bat.exe 3 2->11         started        signatures3 48 Performs DNS queries to domains with low reputation 34->48 process4 signatures5 58 Injects a PE file into a foreign processes 11->58 14 Solicitud de precio (ORDEN DE COMPRA A4-000004024).bat.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 31 1 14->17 injected process8 dnsIp9 28 www.sterlingconcorde.com 89.31.143.90, 49743, 80 QSC-AG-IPXDE Germany 17->28 30 www.luxusmoissanite.shop 104.21.43.23, 49744, 80 CLOUDFLARENETUS United States 17->30 32 2 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 control.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2024-01-29 13:07:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:hi5f rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
82d6192a353b63eaacd89e1169f22dc9c462dc545952d38735441467ec7bb318
MD5 hash:
408697526c2d60b457da92c55d744f29
SHA1 hash:
390446551ecf6dcd162700afc0d74b2b60670590
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
SH256 hash:
581b4dc91ca1f0539f700fadda377b1ecf4c8f48baf4c1ed2ced0b8672757cb9
MD5 hash:
cbce50a4e44b2f57861da18778f7513b
SHA1 hash:
b7bf99865d944f46cdf16f6fd6c7e52b2aea07eb
SH256 hash:
9c1570637eeadf41adf885c8ca2984b784cee40ebe9280529ec11555d805024b
MD5 hash:
0444a202caeb449c6600a0da0d1f4ee6
SHA1 hash:
549cbfc53a43dc94b0351ab6d1ca60e91a3c7569
SH256 hash:
3512e50a7509ca8b120d7835c69302e5d739fa3651dd65485e5739a1cc991ede
MD5 hash:
8bc76b6253fe4689a874767bdefec712
SHA1 hash:
4642b756487c2e1878e7e03e32e77b51df0b3b3e
SH256 hash:
48974d28f3869787358567dd2ae6295548b0fa3fc29b6e63af567f494a612aa2
MD5 hash:
c27d4d4010510abe0529ebbbe8273a65
SHA1 hash:
18e79e42862c00c5bb76f8bd67b8805e1d77976f
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe 48974d28f3869787358567dd2ae6295548b0fa3fc29b6e63af567f494a612aa2

(this sample)

  
Delivery method
Distributed via e-mail attachment

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