MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a188882154f5c72d053b529b6445621f081b31cabdd8c9f1d0b482c37b0743c4. 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: 13


Intelligence 13 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a188882154f5c72d053b529b6445621f081b31cabdd8c9f1d0b482c37b0743c4
SHA3-384 hash: ebc3733d91367bb09cad9fd508ac1e34606469f08c0622ecfcfd0dbc43dfaf58416fbdf143cd4924d81d063d60b878f5
SHA1 hash: a3d812f52bd5533584a436943d5ab8f58a87cdd7
MD5 hash: 0238bc8d31faaf950abd168e566098c5
humanhash: snake-papa-quebec-thirteen
File name:LV1116C.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:406'351 bytes
First seen:2024-01-24 07:45:37 UTC
Last seen:2024-01-24 09:33:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 12288:pNIanyNmkxiFLi7AKyEPjzHXNspp63oZIAZOTa:pNXCmQwiGEPjrXNSU3oZIAZ
TLSH T1CE8412E4B9F0A0EBF4D712B0DC7AD1796730451CD02816072BB1AF1FB4B256A511FAE6
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 6ce0dcccccccc0d4 (2 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
312
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/472631/
Detection(s):
SecuriteInfo.com.FileRepMalware.21907.6932.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin overlay packed redcap shell32
Link:
https://www.filescan.io/uploads/65b0c03b87258803c23d79ca/reports/4bf3176d-abc8-41bc-b12d-7d77a636b4ad/overview
Verdict:
Malicious
Labled as:
Jaik.Generic
Link:
https://www.hybrid-analysis.com/sample/a188882154f5c72d053b529b6445621f081b31cabdd8c9f1d0b482c37b0743c4
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/174a7a10-09ab-46df-8deb-9b545204e24e
Result
Threat name:
FormBook, NSISDropper
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1380059
Signature
Detected unpacking (changes PE section rights)
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a188882154f5c72d053b529b6445621f081b31cabdd8c9f1d0b482c37b0743c4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a188882154f5c72d053b529b6445621f081b31cabdd8c9f1d0b482c37b0743c4/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2024-01-24 02:52:15 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ugeiqiku6xds2bj3kknwirlcd4ebwmokxxmmt4oqwsbmg6yhipca._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240124-jlyxfsdbcr/
Behaviour
Gathers system information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
328858391e1c77cd7c83196eab0465c850ea315167ad60211cd7db61c2076573
MD5 hash:
613ccd764b435e6239e89fa7ddf4358c
SHA1 hash:
6800ad175180f9d779797890dbd42f7a3cdbc7ba
Link:
https://www.unpac.me/results/fe79501d-bca5-4193-ae3b-36a6188c7e1f/
SH256 hash:
a188882154f5c72d053b529b6445621f081b31cabdd8c9f1d0b482c37b0743c4
MD5 hash:
0238bc8d31faaf950abd168e566098c5
SHA1 hash:
a3d812f52bd5533584a436943d5ab8f58a87cdd7
Link:
https://www.unpac.me/results/fe79501d-bca5-4193-ae3b-36a6188c7e1f/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a188882154f5/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/a188882154f5c72d053b529b6445621f081b31cabdd8c9f1d0b482c37b0743c4

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:Detect_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
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: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

File information

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

Malspam

Formbook

Executable exe a188882154f5c72d053b529b6445621f081b31cabdd8c9f1d0b482c37b0743c4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/472631/

Comments