MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4169bc8ef83d44e5cd72de2f88c40602f7840d578e1ec0bbdd9b2a874bb75c4c. 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: 17


Intelligence 17 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4169bc8ef83d44e5cd72de2f88c40602f7840d578e1ec0bbdd9b2a874bb75c4c
SHA3-384 hash: b6a188bc70828c524b40bd4929f238fd0c02a435c87443412f92042cc2e23beba7f5c3ae77fa988ea5ddd1b0ec813573
SHA1 hash: da33c4a1a8912c7d08cfb1bf77c59a813419ba64
MD5 hash: b08c02ab269d1406728178e62017c3d4
humanhash: low-apart-seven-april
File name:file
Download: download sample
Signature Formbook
Create hunting rule
File size:345'522 bytes
First seen:2023-11-21 14:10:37 UTC
Last seen:2023-11-21 15:18:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:xBlL/8qFeJ/1IW4/DTgYKfHSAtiHbc2+x/D2LYTx0/BRtLuL3SqSY5dQVxS:X2qFWdIWQTgY2HSkiHbc2+5DLTKcxX
Threatray 1'415 similar samples on MalwareBazaar
TLSH T17674122532F2D4B3E5434AB19C65E6FDD6F0AE148D20A64337C93F2F38B128E5266153
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 e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla)
Reporter jstrosch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
327
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.RTF.Obfuscated-gen.19663.16514
Verdict:
Malicious activity
Analysis date:
2023-11-21 12:25:42 UTC
Tags:
exploit cve-2017-11882 formbook xloader stealer spyware
Link:
https://app.any.run/tasks/07c04151-f893-4418-88ce-da299caec2c2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/459547/
Detection(s):
SecuriteInfo.com.FileRepMalware.5768.17039.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/655cba823f58c44788a246d4/reports/54a4b916-98fd-49c4-9510-36e2ac489f6b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/4169bc8ef83d44e5cd72de2f88c40602f7840d578e1ec0bbdd9b2a874bb75c4c
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/bb337c52-f2cf-454e-b80e-62bd6ce4bfae
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1345846
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for dropped file
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
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: 1345846 Sample: file.exe Startdate: 21/11/2023 Architecture: WINDOWS Score: 100 33 www.spacecargo.net 2->33 35 www.lezhiyunfu.net 2->35 37 4 other IPs or domains 2->37 53 Snort IDS alert for network traffic 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 7 other signatures 2->59 12 file.exe 17 2->12         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\twbcaze.exe, PE32 12->31 dropped 15 twbcaze.exe 12->15         started        process6 signatures7 67 Detected unpacking (changes PE section rights) 15->67 69 Machine Learning detection for dropped file 15->69 71 Maps a DLL or memory area into another process 15->71 73 Tries to detect virtualization through RDTSC time measurements 15->73 18 twbcaze.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 5 1 18->21 injected process10 dnsIp11 39 www.duadqps.com 38.238.229.24, 49738, 80 COGENT-174US United States 21->39 41 importmotorshickory.com 128.136.135.132, 49737, 80 ASN-VINSUS United States 21->41 43 2 other IPs or domains 21->43 24 msdt.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:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4169bc8ef83d44e5cd72de2f88c40602f7840d578e1ec0bbdd9b2a874bb75c4c
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4169bc8ef83d44e5cd72de2f88c40602f7840d578e1ec0bbdd9b2a874bb75c4c/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-11-21 14:11:10 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ifu3zdxyhvcoltls3yxyrragal3yidkxrypmbo65tmvios5xlrga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4169bc8ef83d44e5cd72de2f88c40602f7840d578e1ec0bbdd9b2a874bb75c4c
Formbook
795998e9064cb981d6a40a34fbeee48381121ea7ac7175ffe5b506b11cf843d7
Formbook
982a9a52e532bbfe52941c4ab95c2899c1af75e9a3eee2b1977e3f49e8a3e71e
Formbook
b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65
Formbook
bbcaa127862b5b70b5a833b3136f431c03a9165dd0a4646ba78922ebcc7ebdc3
Formbook
c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61
Formbook
ddbd4b7c13d365eb339aad4d0e2deb0dff4b50287d5111f57ca8756f3746f940
Formbook
+ 1'405 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:t2ti rat spyware stealer trojan
Link:
https://tria.ge/reports/231121-rhapfsff8s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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:
c5ea6bf9dd8cc61323bbc41ac596233f9063c01e7729b3e4259d7941c388305f
MD5 hash:
c17e9671da98ab22a94d2b65bb1d4a55
SHA1 hash:
94e8ed1576f3d599828e6df1bbe4a6793f9f2c8f
Link:
https://www.unpac.me/results/d280ffda-e521-438e-850e-c0567e4446f5/
SH256 hash:
4169bc8ef83d44e5cd72de2f88c40602f7840d578e1ec0bbdd9b2a874bb75c4c
MD5 hash:
b08c02ab269d1406728178e62017c3d4
SHA1 hash:
da33c4a1a8912c7d08cfb1bf77c59a813419ba64
Link:
https://www.unpac.me/results/d280ffda-e521-438e-850e-c0567e4446f5/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4169bc8ef83d/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/4169bc8ef83d44e5cd72de2f88c40602f7840d578e1ec0bbdd9b2a874bb75c4c

File information

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

Web download

Formbook

Executable exe 4169bc8ef83d44e5cd72de2f88c40602f7840d578e1ec0bbdd9b2a874bb75c4c

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/459547/

Comments