MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bc5d93665bc0242f56ecf2f76c0d25bfb8d78536ad9ea4fea4e723500acf59b. 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 3 File information Comments
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SHA256 hash: 5bc5d93665bc0242f56ecf2f76c0d25bfb8d78536ad9ea4fea4e723500acf59b
SHA3-384 hash: e89ab111f01902dbc6088f36e76d8f13fdd08e9b6dd5cce244ffde0b5587f4d65980e23ce610a719d7ca576a24733c09
SHA1 hash: 37623ba59abf882d5f776150581c39f0558366fc
MD5 hash: 6918e243c51505d5769b394fbf8e29c5
humanhash: uranus-fillet-football-carolina
File name:6918e243c51505d5769b394fbf8e29c5.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:12'288 bytes
First seen:2022-05-05 10:33:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:Mk2zx+ShKXjp3zyP2JaZz5dYzZ0aD7H4Fff6637mZ:jE3hkzyuI5dY91D7YFff6p
Threatray 15'399 similar samples on MalwareBazaar
TLSH T11842B21133988337D1A60BB29857D7E02335EE1A8956EF4F78C4771F6E3274186C2B29
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 00b28eabababa600 (5 x RemcosRAT, 3 x AsyncRAT, 2 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
6918e243c51505d5769b394fbf8e29c5.exe
Verdict:
Malicious activity
Analysis date:
2022-05-05 10:36:09 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/45bd4380-5239-4eb9-91e0-507a39e5163f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/268871/
Detection(s):
SecuriteInfo.com.Trojan.DownloaderNET.375.19771.2744.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Creating a window
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed strictor
Link:
https://www.filescan.io/uploads/6273a859801e66012b2a27e6/reports/8ed79005-8b62-496c-8adb-b62aa8edb678/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:
Malicious
Link:
https://analyze.intezer.com/analyses/87c37b3a-f46b-40ea-9861-05fed697f575
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/988433
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
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 dropped file
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 620965 Sample: DfClJP3gc8.exe Startdate: 05/05/2022 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 9 other signatures 2->50 9 DfClJP3gc8.exe 15 7 2->9         started        process3 dnsIp4 40 toppnet.tk 192.185.174.179, 49752, 80 UNIFIEDLAYER-AS-1US United States 9->40 42 192.168.2.1 unknown unknown 9->42 34 C:\Users\user\AppData\Roaming\...\Dxnroyz.exe, PE32 9->34 dropped 36 C:\Users\user\...\Dxnroyz.exe:Zone.Identifier, ASCII 9->36 dropped 38 C:\Users\user\AppData\...\DfClJP3gc8.exe.log, ASCII 9->38 dropped 58 Creates an undocumented autostart registry key 9->58 14 MSBuild.exe 9->14         started        17 MSBuild.exe 9->17         started        19 cmd.exe 1 9->19         started        file5 signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 21 help.exe 14->21         started        24 explorer.exe 14->24 injected 68 Tries to detect virtualization through RDTSC time measurements 17->68 26 conhost.exe 19->26         started        28 timeout.exe 1 19->28         started        process9 signatures10 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 30 cmd.exe 1 21->30         started        process11 process12 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5bc5d93665bc0242f56ecf2f76c0d25bfb8d78536ad9ea4fea4e723500acf59b/
Threat name:
ByteCode-MSIL.Trojan.RealProtect
Create hunting rule
Status:
Malicious
First seen:
2022-05-05 07:26:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lpc5sntfxqbef5loz4xxnqgslp5y26ctnlm6ut7kjzzdkafm6wnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00d086794b0b9ed430180b595734faa55317c0b09b632e767f30824de16f0692
Formbook
1799e80fe0e05e3e784de5536df1713309a3b345ea3dbd920acfff477735afbd
Formbook
7af1842cdbd37f5e68d3d90350fdafe36d78cb62dee2fbcb2a4a4a9184b8d95c
Formbook
90c16547e527be04c7fbea515f8dcea9f00353bf4394ecd45f891ab07085b575
Formbook
b27414851c9c840afb193065ed625799cb7464c6e82a3325a6b68b16affff58f
Formbook
bc09ecf5cb6364f4d053ec0420282fa6e7a1649a8a5ca2af2ca933aa27f8b90c
Formbook
c0760105fed05b99698c3f1e5bb6ed6e2e9b386315d0e187cd075b8ed5ea7fe5
Formbook
f5e1e8da9d4851458ac58902851655cf303ec05cfb4406f49217e8e5235986f7
Formbook
+ 15'389 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220505-ml4pgsaefj/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5bc5d93665bc0242f56ecf2f76c0d25bfb8d78536ad9ea4fea4e723500acf59b
MD5 hash:
6918e243c51505d5769b394fbf8e29c5
SHA1 hash:
37623ba59abf882d5f776150581c39f0558366fc
Link:
https://www.unpac.me/results/22ddb228-8d2f-4b96-b062-292b411f237c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5bc5d93665bc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/5bc5d93665bc0242f56ecf2f76c0d25bfb8d78536ad9ea4fea4e723500acf59b

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Web download

Formbook

Executable exe 5bc5d93665bc0242f56ecf2f76c0d25bfb8d78536ad9ea4fea4e723500acf59b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2178148/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/268871/

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