MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40203565c21de2f3923f1c4bb185068706f0bf56366cb099e6483737020b2ae3. 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: 10


Intelligence 10 IOCs YARA 21 File information Comments
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SHA256 hash: 40203565c21de2f3923f1c4bb185068706f0bf56366cb099e6483737020b2ae3
SHA3-384 hash: fd5db1540456d5ca63f407da65c4f9d4df8884c9efecc91361813d41ae3157bac714ed581212a70117d1d3a257a3c112
SHA1 hash: d2090f067e0f903107a6c1e3c989853437b0e0cf
MD5 hash: 5dddea03810077168a10feb4ad645c10
humanhash: zebra-freddie-juliet-jupiter
File name:SecuriteInfo.com.Win32.PWSX-gen.27260.9749
Download: download sample
Signature Formbook
Create hunting rule
File size:1'225'216 bytes
First seen:2023-11-03 09:20:02 UTC
Last seen:2023-11-03 10:16:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:tRf8OazPMhTzTB4BOEkB/YAuseX7KvO1YAuJMi+sPV3GykDfMNVzCOgKIQtKoCoL:b8JzMz4BzpAuserKvpAuJMi+sPV3Gyko
TLSH T146454C0C7BA4E818E17E47BD50926154A27963097F46F74E67D058EC0E7EF238E1A2CB
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
365
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.27260.9749.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/40203565c21de2f3923f1c4bb185068706f0bf56366cb099e6483737020b2ae3
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/cbe92431-1b2b-4c8f-b9f5-32b0834c9313
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1336530
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/40203565c21de2f3923f1c4bb185068706f0bf56366cb099e6483737020b2ae3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40203565c21de2f3923f1c4bb185068706f0bf56366cb099e6483737020b2ae3/
Threat name:
Win32.Trojan.Generic
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Status:
Malicious
First seen:
2023-11-03 07:46:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iaqdkzocdxrpher7drf3dbigq4dpbp2wgzwlbgpgja3toaqlflrq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/231103-larecahd69/
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
20ed49e76c0f66e01d834e1b86acdf3747bf1b49a5b675efc164d8ddc693df87
MD5 hash:
f52f60773ea4e90dcd6e4d3eb0136007
SHA1 hash:
b463168811d07cdd0a0033e2ca84616a7783f3c9
Link:
https://www.unpac.me/results/3f26a58f-45d6-447a-8e4c-4890e6e5c3f4/
SH256 hash:
5f3727e4d869e963b13c7f156b24151467c2dcb62a7b850cd095d5334d87438c
MD5 hash:
4ad62f9eccc5eab013862e22bb36b69a
SHA1 hash:
e6a471127d0149a6d7c34d8f255ac97b3a27966f
Link:
https://www.unpac.me/results/3f26a58f-45d6-447a-8e4c-4890e6e5c3f4/
SH256 hash:
2df81b7a7580dd8099502f1caaf6ecf3af80d9b04ffe32cf2ac7834d944cc1f2
MD5 hash:
4cfae6afed1c1626499592c0d6711f93
SHA1 hash:
9f41bbd487e22867d3942e0db7a394ae00a69009
Link:
https://www.unpac.me/results/3f26a58f-45d6-447a-8e4c-4890e6e5c3f4/
SH256 hash:
ecb081a3d146df769df27ff24d8dc8edfa63db7e56d716b3fed1405479764cfd
MD5 hash:
4a0217d04295aaace99e0f3d5078299e
SHA1 hash:
071688e8c28a2e9d91bcc29ab729cef68fb9dfce
Link:
https://www.unpac.me/results/3f26a58f-45d6-447a-8e4c-4890e6e5c3f4/
SH256 hash:
40203565c21de2f3923f1c4bb185068706f0bf56366cb099e6483737020b2ae3
MD5 hash:
5dddea03810077168a10feb4ad645c10
SHA1 hash:
d2090f067e0f903107a6c1e3c989853437b0e0cf
Link:
https://www.unpac.me/results/3f26a58f-45d6-447a-8e4c-4890e6e5c3f4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/40203565c21de2f3923f1c4bb185068706f0bf56366cb099e6483737020b2ae3

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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_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.

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