MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 371150f42b6bcc5a7a1912265b504082aaa2294141b50687ab12daa04bc2872b. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 371150f42b6bcc5a7a1912265b504082aaa2294141b50687ab12daa04bc2872b
SHA3-384 hash: 74c29d3f17021337c4cc365e27a72a36dae3feb904b26099236f6f12d8d0b0755a236da5ff78d526fb38040c898f9efe
SHA1 hash: 186bb894f598fb00fef324ecbeb9d70cb447eb90
MD5 hash: 7c92064cbe4fb4859ecef17ce9205ad8
humanhash: glucose-north-beryllium-undress
File name:7c92064cbe4fb4859ecef17ce9205ad8.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:305'152 bytes
First seen:2022-05-06 16:18:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:WrxUR4JttcBDlxdwpfxfBThM9eo1I7u0Kry2wej993RUgY:Wr6IfBTy9eo1dC
Threatray 15'166 similar samples on MalwareBazaar
TLSH T179542BB2F438DEAFDED9353D0F159CEB77349048B110011914EB3A2AB5BEE67086AE15
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 e8962349692396e8 (3 x RedLineStealer, 1 x Formbook, 1 x EternityStealer)
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Payload URL:
http://msspaper.cf/g/Wdxvm_Hftibzaj.jpg

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7c92064cbe4fb4859ecef17ce9205ad8.exe
Verdict:
Malicious activity
Analysis date:
2022-05-06 16:24:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/453bbe41-6510-4253-bbac-00a02b43fdd1

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/269152/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62754aa5bd5c76586e1751a0/reports/7b57578f-e079-4642-a404-842b131d8510/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/3ffc0d13-31be-4e8c-a51b-e7d4cd69f670
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/989199
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
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 621696 Sample: uEXPJDP16p.exe Startdate: 06/05/2022 Architecture: WINDOWS Score: 100 42 www.infosecrety.xyz 2->42 44 infosecrety.xyz 2->44 58 Snort IDS alert for network traffic 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 64 10 other signatures 2->64 11 uEXPJDP16p.exe 15 7 2->11         started        signatures3 process4 dnsIp5 46 msspaper.cf 192.185.174.189, 49723, 80 UNIFIEDLAYER-AS-1US United States 11->46 48 192.168.2.1 unknown unknown 11->48 36 C:\Users\user\AppData\Roaming\...\Bsnxyw.exe, PE32 11->36 dropped 38 C:\Users\user\...\Bsnxyw.exe:Zone.Identifier, ASCII 11->38 dropped 40 C:\Users\user\AppData\...\uEXPJDP16p.exe.log, ASCII 11->40 dropped 72 Creates an undocumented autostart registry key 11->72 74 Writes to foreign memory regions 11->74 76 Injects a PE file into a foreign processes 11->76 16 MSBuild.exe 11->16         started        19 cmd.exe 1 11->19         started        file6 signatures7 process8 signatures9 50 Modifies the context of a thread in another process (thread injection) 16->50 52 Maps a DLL or memory area into another process 16->52 54 Sample uses process hollowing technique 16->54 56 2 other signatures 16->56 21 explorer.exe 16->21 injected 23 conhost.exe 19->23         started        25 timeout.exe 1 19->25         started        process10 process11 27 cscript.exe 21->27         started        signatures12 66 Modifies the context of a thread in another process (thread injection) 27->66 68 Maps a DLL or memory area into another process 27->68 70 Tries to detect virtualization through RDTSC time measurements 27->70 30 cmd.exe 1 27->30         started        32 explorer.exe 108 27->32         started        process13 process14 34 conhost.exe 30->34         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/371150f42b6bcc5a7a1912265b504082aaa2294141b50687ab12daa04bc2872b/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-05-06 00:05:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
12 of 26 (46.15%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g4ivb5blnpgfu6qzcitfwucaqkvkekkbig2qnb5lclnkas6cq4vq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00d086794b0b9ed430180b595734faa55317c0b09b632e767f30824de16f0692
Formbook
1799e80fe0e05e3e784de5536df1713309a3b345ea3dbd920acfff477735afbd
Formbook
3859da72cd34fc9b4ebe2ff100a3d888845836f4945bf2bcdfb83d5d0d16508a
Formbook
7af1842cdbd37f5e68d3d90350fdafe36d78cb62dee2fbcb2a4a4a9184b8d95c
Formbook
90c16547e527be04c7fbea515f8dcea9f00353bf4394ecd45f891ab07085b575
Formbook
a9915e261e819e5388755f6e20a93b55c096eb7b81b930c7212a77be734a97b2
Formbook
bc09ecf5cb6364f4d053ec0420282fa6e7a1649a8a5ca2af2ca933aa27f8b90c
Formbook
c0760105fed05b99698c3f1e5bb6ed6e2e9b386315d0e187cd075b8ed5ea7fe5
Formbook
f5e1e8da9d4851458ac58902851655cf303ec05cfb4406f49217e8e5235986f7
Formbook
+ 15'156 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/220506-tsh5pachbk/
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:
371150f42b6bcc5a7a1912265b504082aaa2294141b50687ab12daa04bc2872b
MD5 hash:
7c92064cbe4fb4859ecef17ce9205ad8
SHA1 hash:
186bb894f598fb00fef324ecbeb9d70cb447eb90
Link:
https://www.unpac.me/results/7dab7eb1-943c-4848-8370-d06e4511f744/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/371150f42b6b/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/371150f42b6bcc5a7a1912265b504082aaa2294141b50687ab12daa04bc2872b

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe 371150f42b6bcc5a7a1912265b504082aaa2294141b50687ab12daa04bc2872b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2179489/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2178148/
Cape
Cape
https://www.capesandbox.com/analysis/269152/

Comments