MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a90acf50649ea6ac91c9aded346e47bd4a6fd2d8f3d3a9daf8c072ab6be99a95. 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: 16


Intelligence 16 IOCs YARA 18 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a90acf50649ea6ac91c9aded346e47bd4a6fd2d8f3d3a9daf8c072ab6be99a95
SHA3-384 hash: a92710b51b90c65953a588e7073248d7d71c0fdd5bed0ed1ad4abd8e2dd81f1d6c45d8eac21b9d6cfd24aa026b9061f9
SHA1 hash: d61fe356ad833c41dc6a229c129b4b4edd661db4
MD5 hash: f231a02d229e5f504eacc706629ae2f1
humanhash: social-red-london-juliet
File name:f231a02d229e5f504eacc706629ae2f1
Download: download sample
Signature Formbook
Create hunting rule
File size:382'020 bytes
First seen:2023-10-19 16:15:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (96 x GuLoader, 53 x Formbook, 37 x VIPKeylogger)
ssdeep 6144:KfL+oq2XMMNbvqTSsiecdhg7hLrmr/QQBckCyxBfvip+M9oDGBvwDKKCQMu1u:KfLRrNbvq5ihg9K/yk3DasM6DGBvwDBG
Threatray 2'648 similar samples on MalwareBazaar
TLSH T15484121172C0D5A3C2A147390E7ABA6F6FB56D1105CCD94B8398BF7A796A283D10F35C
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 78f9b898b8c2c940 (16 x Formbook, 15 x AgentTesla, 2 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
346
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
f231a02d229e5f504eacc706629ae2f1
Verdict:
Malicious activity
Analysis date:
2023-10-19 16:16:03 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/81d46cf5-98cc-483a-ab2a-85d06e154975

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.31178.11997.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Likely Malicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65315643368548c1702f2e50/reports/d8d19434-59c6-4664-ad60-d4d66285b8b5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/a90acf50649ea6ac91c9aded346e47bd4a6fd2d8f3d3a9daf8c072ab6be99a95
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/728689ed-4fc1-42de-8640-eff843b9d22a
Result
Threat name:
FormBook, NSISDropper
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1328821
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)
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1328821 Sample: mDZvZLTjGd.exe Startdate: 19/10/2023 Architecture: WINDOWS Score: 100 33 www.tt295.net 2->33 35 www.smallthingteamwork.world 2->35 37 11 other IPs or domains 2->37 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 6 other signatures 2->59 12 mDZvZLTjGd.exe 17 2->12         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\dapkqoihy.exe, PE32 12->31 dropped 15 dapkqoihy.exe 12->15         started        process6 signatures7 67 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Tries to detect virtualization through RDTSC time measurements 15->71 18 dapkqoihy.exe 15->18         started        process8 signatures9 45 Modifies the context of a thread in another process (thread injection) 18->45 47 Maps a DLL or memory area into another process 18->47 49 Sample uses process hollowing technique 18->49 51 Queues an APC in another process (thread injection) 18->51 21 explorer.exe 7 1 18->21 injected process10 dnsIp11 39 www.drtber.com 103.224.212.215, 49733, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 21->39 41 www.raquelaranibar.com 162.215.226.7, 49725, 80 PUBLIC-DOMAIN-REGISTRYUS United States 21->41 43 6 other IPs or domains 21->43 24 mstsc.exe 21->24         started        process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 24->61 63 Maps a DLL or memory area into another process 24->63 65 Tries to detect virtualization through RDTSC time measurements 24->65 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a90acf50649ea6ac91c9aded346e47bd4a6fd2d8f3d3a9daf8c072ab6be99a95
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/a90acf50649ea6ac91c9aded346e47bd4a6fd2d8f3d3a9daf8c072ab6be99a95/
Threat name:
Win32.Trojan.Generic
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Status:
Malicious
First seen:
2023-10-19 16:16:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vefm6udet2tkzeojvxwti3shxvfg7uwy6pj2twxyybzkw27jtkkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
197619791b979892a3f7a7cabb4314b10b360c67442a2b4f101cef42f6b0f412
Formbook
247c8156cf06c5d9dec7d5fa0b158339110b556d41b0750bff34d36086554746
Formbook
7475dc716905ee9a57aa78bdb02c71c1d22d93c67326ac2eedb0b72ca82207b0
Formbook
9e986879ac645f058d5deb6415cc90f40130a67e3d4263be55dbe1a8ff68ad2d
Formbook
a38cf104fcc3366e6bcd8c6f947b0c6fe7ee30728a2e72b45e96e9b4b0dac384
Formbook
b835220d18074195e2df569e8088470b7f400c334aef1dd54dfe30e2019dab7a
Formbook
c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61
Formbook
fff4ae5faba33cf9265b80fb2cd328fbd08fd6649fe71c95a5e8bedb22036a7a
Formbook
+ 2'638 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:t6tg rat spyware stealer trojan
Link:
https://tria.ge/reports/231019-tqsaksgh91/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
a90acf50649ea6ac91c9aded346e47bd4a6fd2d8f3d3a9daf8c072ab6be99a95
MD5 hash:
f231a02d229e5f504eacc706629ae2f1
SHA1 hash:
d61fe356ad833c41dc6a229c129b4b4edd661db4
Link:
https://www.unpac.me/results/55c40853-a845-4f7e-a023-7d4faa5b22a0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a90acf50649e/report/overview.html
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__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Author:qux
Description:Detects exe does not have 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: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
Create hunting rule
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.

Web download

Formbook

Executable exe a90acf50649ea6ac91c9aded346e47bd4a6fd2d8f3d3a9daf8c072ab6be99a95

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2722376/

Comments


Avatar
zbet commented on 2023-10-19 16:15:24 UTC

url : hxxp://mail.treeoflifeadventures.com/wp-content/plugins/70d5e28f51c1438d94e3e6dc84b95311/xt/mmd/shell/macringa2.1.exe