MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 851bc963ff7f1029f7495c537b2c4a34552dd60750e334cfaf237da398e6ea67. 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 4 File information Comments
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SHA256 hash: 851bc963ff7f1029f7495c537b2c4a34552dd60750e334cfaf237da398e6ea67
SHA3-384 hash: 072144c546b14368ef56649e0b8cfe315263ce0e865478ea051270b28dbbc5d1c195a050f2749449ea33a7217a95332c
SHA1 hash: 97dc0a02f236b714db99227fd4565a40b08fc136
MD5 hash: 1bebb72d1e9e14fe496ac6a0f248cccb
humanhash: mississippi-neptune-triple-october
File name:SecuriteInfo.com.Trojan.PackedNET.2430.18308.22274
Download: download sample
Signature Formbook
Create hunting rule
File size:589'824 bytes
First seen:2023-10-06 12:37:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:B/jNL4j/JuOst2aLW9PdMAn/bZibbNDxCWbV6YWEcI:BLNLU/UOUcZ/YxcW
Threatray 26 similar samples on MalwareBazaar
TLSH T19AC412953B50AA7FC8638176C9F43C64A320792B771BC2A6685321C9DD8E5A7CF107B3
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)
File icon (PE):PE icon
dhash icon c02b1733b21723c0 (13 x AgentTesla, 10 x Formbook, 3 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.PackedNET.2430.18308.22274
Verdict:
Malicious activity
Analysis date:
2023-10-06 14:16:36 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/ea359c58-0736-4117-ab83-466eaf65a469

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2430.18308.22274.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/651fffad426c8727d6f10e82/reports/0c5c5879-cbe2-4444-9f72-8c39e855316a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/851bc963ff7f1029f7495c537b2c4a34552dd60750e334cfaf237da398e6ea67
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b6ffad1a-c332-46dd-b9cc-dfd18be371a5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1320886
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1320886 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 06/10/2023 Architecture: WINDOWS Score: 100 53 www.yccop.cfd 2->53 55 www.servprowestpalm.com 2->55 57 12 other IPs or domains 2->57 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Found malware configuration 2->69 71 11 other signatures 2->71 11 SecuriteInfo.com.Trojan.PackedNET.2430.18308.22274.exe 7 2->11         started        15 ktImVdmWg.exe 5 2->15         started        17 SkypeApp.exe 2->17         started        signatures3 process4 file5 49 C:\Users\user\AppData\Roaming\ktImVdmWg.exe, PE32 11->49 dropped 51 C:\Users\user\AppData\Local\...\tmp70F7.tmp, XML 11->51 dropped 87 Uses schtasks.exe or at.exe to add and modify task schedules 11->87 89 Adds a directory exclusion to Windows Defender 11->89 19 RegSvcs.exe 11->19         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        91 Multi AV Scanner detection for dropped file 15->91 93 Machine Learning detection for dropped file 15->93 26 RegSvcs.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 19->73 75 Maps a DLL or memory area into another process 19->75 77 Sample uses process hollowing technique 19->77 79 2 other signatures 19->79 30 explorer.exe 10 1 19->30 injected 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        38 conhost.exe 28->38         started        process9 dnsIp10 59 www.cvilleflowerfarm.com 216.40.34.41, 49708, 80 TUCOWSCA Canada 30->59 61 www.itdev.life 157.90.106.248, 49712, 80 REDIRISRedIRISAutonomousSystemES United States 30->61 63 5 other IPs or domains 30->63 95 System process connects to network (likely due to code injection or exploit) 30->95 40 systray.exe 30->40         started        43 cmmon32.exe 30->43         started        signatures11 process12 signatures13 81 Modifies the context of a thread in another process (thread injection) 40->81 83 Maps a DLL or memory area into another process 40->83 85 Tries to detect virtualization through RDTSC time measurements 40->85 45 cmd.exe 1 40->45         started        process14 process15 47 conhost.exe 45->47         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/851bc963ff7f1029f7495c537b2c4a34552dd60750e334cfaf237da398e6ea67/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-05 07:31:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qun4sy77p4ict52jlrjxwlckgrks3vqhkdrtjt5pen62hghg5jtq._file
Verdict:
malicious
Label(s):
formbook
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agenttesla
Create hunting rule
Similar samples:
1be417c3be0fcbe972e13bd2d3e4494e08a94bd4f572b361cadae3b88be1cc5b
Formbook
21140ae60aa6ba79a4d6cfc5aa5fd4cf4aa08ac5a522a4a2393f4c9552224529
Formbook
247c8156cf06c5d9dec7d5fa0b158339110b556d41b0750bff34d36086554746
Formbook
64fdde31e18afd348c0727affafb347f0cd0203ec20268fbea9dcb4cc6d1caa9
Formbook
92a11969793b832918bec3384ffadd4c626a7888d97454f4790529566d462022
Formbook
ac00251b8ba5b7bd219bb23bb5134a11f1215d19aaa0915e5a00d7906906b19a
Formbook
be001461acb26523b913f93761b14f56fc7dd7f256e90ae53b40f0b40dd859b7
Formbook
dc999aa2db84e4f91022be10a55e971c49da82960027b7482b44856fee46f9cc
Formbook
+ 16 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ey16 rat spyware stealer trojan
Link:
https://tria.ge/reports/231006-pt2wzade86/
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
5be1f28d9498131099c4989b821b1a289e9ee6475472309482db944fc99e2fab
MD5 hash:
c1d50dfc28e785fef6639c4619cea4af
SHA1 hash:
39ef93d0350a6edd0bbbeabf0ff361fbd913f8fe
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/47a9a8ae-01ba-4e4f-83c3-64a2c7b2b269/
Parent samples :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 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/47a9a8ae-01ba-4e4f-83c3-64a2c7b2b269/
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
Link:
https://www.unpac.me/results/47a9a8ae-01ba-4e4f-83c3-64a2c7b2b269/
SH256 hash:
baeaa9b73b6fb6a3375e387da9b920bfa2c76960df7985db1329809e16b587ab
MD5 hash:
be6c13b282b4c8178acad58da161f3df
SHA1 hash:
64f0b3a118f3c99dcb6e3ada2f7f0a5c07101334
Link:
https://www.unpac.me/results/47a9a8ae-01ba-4e4f-83c3-64a2c7b2b269/
SH256 hash:
851bc963ff7f1029f7495c537b2c4a34552dd60750e334cfaf237da398e6ea67
MD5 hash:
1bebb72d1e9e14fe496ac6a0f248cccb
SHA1 hash:
97dc0a02f236b714db99227fd4565a40b08fc136
Link:
https://www.unpac.me/results/47a9a8ae-01ba-4e4f-83c3-64a2c7b2b269/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/851bc963ff7f/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/851bc963ff7f1029f7495c537b2c4a34552dd60750e334cfaf237da398e6ea67

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: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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

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