MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bc803f9caaeca99da460ce804bfc9bf4cb8c1dc33d08016002e4fe7263a6111. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
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SHA256 hash: 3bc803f9caaeca99da460ce804bfc9bf4cb8c1dc33d08016002e4fe7263a6111
SHA3-384 hash: 5fcae485c37b3d52cce84b4f99e24c99e2120960020338e0181d53bae070a8b95f6eaf06634eb0d6c881d560a96ea0d0
SHA1 hash: fd32bb170497d873cc7f0d23c8ec61ae185e8567
MD5 hash: 1fd222200c62dc85bdad2963794adb77
humanhash: emma-quebec-nineteen-vegan
File name:SecuriteInfo.com.Variant.Strictor.270431.23718.17913
Download: download sample
Signature Formbook
Create hunting rule
File size:867'328 bytes
First seen:2022-05-09 15:51:57 UTC
Last seen:2022-05-09 16:39:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:J0EKixstRGS7bUBevYn0ngGmAEmb+dEGDxYyw+:ShWGUBevY0gUFIY
Threatray 15'304 similar samples on MalwareBazaar
TLSH T1D60549704B1B15E8C9F1BB79178228FC0BF41DC7D60F1D80BDB919AA26749AE16DB027
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 64e4ccdcb2c2d4cc (9 x Formbook, 4 x BluStealer, 3 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Strictor.270431.23718.17913
Verdict:
Suspicious activity
Analysis date:
2022-05-09 16:02:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/924995fb-7a8e-46d3-84ce-e6db6a06135c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Strictor.270431.23718.17913.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Launching a process
Сreating synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/627938b3d4bfd83491c3d146/reports/d35a6955-986a-4c93-b938-65c8068eb502/overview
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:
Unknown
Link:
https://analyze.intezer.com/analyses/08499e0d-f4ac-4265-98a9-6f1cc19362bd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990329
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 622826 Sample: SecuriteInfo.com.Variant.St... Startdate: 09/05/2022 Architecture: WINDOWS Score: 100 31 www.osvfbf.com 2->31 33 www.le-fam.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 8 other signatures 2->47 11 SecuriteInfo.com.Variant.Strictor.270431.23718.exe 1 2->11         started        signatures3 process4 file5 29 SecuriteInfo.com.V...70431.23718.exe.log, ASCII 11->29 dropped 57 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->57 15 diskraid.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 2 other signatures 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.carnetdechef.online 213.186.33.5, 49753, 80 OVHFR France 18->35 37 www.alsuwayeh.online 209.17.116.163, 49761, 80 DEFENSE-NETUS United States 18->37 39 5 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3bc803f9caaeca99da460ce804bfc9bf4cb8c1dc33d08016002e4fe7263a6111/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-09 15:52:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hpeah6okv3fjtwsgbtuajp6jx5glrqo4gpiiafqafzh6ojr2meiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
108238536ab90b12dd6a5c654a1ddd27c2994b2d3fc39f87fc5f5e4847c1ec34
Formbook
143b1ed85fcc55420dcabccf16e229733eef4a3345c1a82ef4d668242fc2b700
Formbook
4ba70a201f9aeed927954ccf79ebba102df5f50c437c278636b1905b3f71058f
Formbook
87bc99f92dd1d5344195aed847c8ed3af8e0aea954133a97fb65834e81278645
Formbook
b85b6101f5f24710f8c9d5a32a4fa4194c55d1088c8722b08653aac9e6a3007a
Formbook
d91d04a052c74e24823eeeeec79d14cf3a5bcdd50ca4867d0cffd5a6188085d7
Formbook
+ 15'294 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:vadq evasion loader rat suricata
Link:
https://tria.ge/reports/220509-ta2t3sgefm/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Program crash
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
735eebef74f64ee0ffd8071837d5e0f695f9dc1663b7a754461ed735a3d0e4fc
MD5 hash:
d99498c7b6aebd2c264733f69967a3c2
SHA1 hash:
71d56677085cb092eb7524ad843d3b938126c548
Link:
https://www.unpac.me/results/4048a772-16d6-4518-bd9a-bfbc36c67ad3/
SH256 hash:
7d227aae0275390dde2956dfe7a99d13259ee981690fb0f1bf24e4c7735cb5a2
MD5 hash:
c6fb1defeec10fe1736541296d4043c5
SHA1 hash:
677c082aa89a061b2ce0a14203a1c9a6b635f5f0
Link:
https://www.unpac.me/results/4048a772-16d6-4518-bd9a-bfbc36c67ad3/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/4048a772-16d6-4518-bd9a-bfbc36c67ad3/
SH256 hash:
3bc803f9caaeca99da460ce804bfc9bf4cb8c1dc33d08016002e4fe7263a6111
MD5 hash:
1fd222200c62dc85bdad2963794adb77
SHA1 hash:
fd32bb170497d873cc7f0d23c8ec61ae185e8567
Link:
https://www.unpac.me/results/4048a772-16d6-4518-bd9a-bfbc36c67ad3/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3bc803f9caae/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/3bc803f9caaeca99da460ce804bfc9bf4cb8c1dc33d08016002e4fe7263a6111

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Comments