MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9cdd36e441f512cbc2bcd44c3f8344979205bc8f81d01f011d9c328ce216227d. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: 9cdd36e441f512cbc2bcd44c3f8344979205bc8f81d01f011d9c328ce216227d
SHA3-384 hash: 6b8fd101dd2671fd9c49f2ca749395ad5ed21812d778a5de123ef0662105aa7311055f1e6731b3d1a4d63a4466ba0278
SHA1 hash: c1ed490840d5fa5a1a39bc0fbcbcce6322417465
MD5 hash: 0ced014149fa28726c41ac5f9351548f
humanhash: zebra-michigan-venus-mountain
File name:P-S-8622.exe
Download: download sample
Signature Formbook
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File size:198'656 bytes
First seen:2022-06-08 05:21:59 UTC
Last seen:2022-06-09 20:16:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:DXzWhp6kELfs6CChd7ntnR+iEiii38n8nssGGTdjt+++Gvx/bb2exNEzAlgql33c:guS9wFO1hhwo8r2PYBU4cIsN
TLSH T17A148AF36BD8C8DEDB586234F3425E1703516DEC68D6A63C1FDE7A29C530A6A60F8520
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 b0829c988c868070 (14 x AgentTesla, 4 x Formbook, 4 x SnakeKeylogger)
Reporter FORMALITYDE
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
6
# of downloads :
288
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
P-S-8622.exe
Verdict:
Malicious activity
Analysis date:
2022-06-08 05:24:35 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/cf93f80b-f838-4b04-9efa-dc92c7a110dd

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/277605/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.6477.29703.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62a032395dc88d35716a9866/reports/2efdfb20-4274-4f27-8b24-7f0330713b3f/overview
Result
Verdict:
UNKNOWN
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/ed935b17-ba74-4af3-b5ba-bd000d4b6e4e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1008720
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
Snort IDS alert for network traffic
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 Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 641216 Sample: P-S-8622.exe Startdate: 08/06/2022 Architecture: WINDOWS Score: 100 80 Snort IDS alert for network traffic 2->80 82 Multi AV Scanner detection for domain / URL 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 8 other signatures 2->86 10 P-S-8622.exe 16 7 2->10         started        15 Evxlnns.exe 14 4 2->15         started        process3 dnsIp4 68 mickey51.com 43.242.128.230, 49757, 49772, 49773 SONDERCLOUDLIMITED-AS-APSonderCloudLimitedHK Hong Kong 10->68 70 192.168.2.1 unknown unknown 10->70 60 C:\Users\user\AppData\Roaming\...vxlnns.exe, PE32 10->60 dropped 62 C:\Users\user\...vxlnns.exe:Zone.Identifier, ASCII 10->62 dropped 64 C:\Users\user\AppData\...\P-S-8622.exe.log, ASCII 10->64 dropped 94 Tries to detect virtualization through RDTSC time measurements 10->94 96 Injects a PE file into a foreign processes 10->96 17 P-S-8622.exe 10->17         started        20 cmd.exe 1 10->20         started        22 P-S-8622.exe 10->22         started        98 Antivirus detection for dropped file 15->98 100 Multi AV Scanner detection for dropped file 15->100 24 Evxlnns.exe 15->24         started        26 cmd.exe 1 15->26         started        file5 signatures6 process7 signatures8 72 Modifies the context of a thread in another process (thread injection) 17->72 74 Maps a DLL or memory area into another process 17->74 76 Sample uses process hollowing technique 17->76 78 Queues an APC in another process (thread injection) 17->78 28 explorer.exe 17->28 injected 30 conhost.exe 20->30         started        32 timeout.exe 1 20->32         started        34 conhost.exe 26->34         started        36 timeout.exe 1 26->36         started        process9 process10 38 chkdsk.exe 28->38         started        41 Evxlnns.exe 3 28->41         started        44 autofmt.exe 28->44         started        dnsIp11 88 Self deletion via cmd or bat file 38->88 90 Tries to detect virtualization through RDTSC time measurements 38->90 46 cmd.exe 38->46         started        66 mickey51.com 41->66 92 Injects a PE file into a foreign processes 41->92 48 cmd.exe 1 41->48         started        50 Evxlnns.exe 41->50         started        52 Evxlnns.exe 41->52         started        signatures12 process13 process14 54 conhost.exe 46->54         started        56 conhost.exe 48->56         started        58 timeout.exe 1 48->58         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9cdd36e441f512cbc2bcd44c3f8344979205bc8f81d01f011d9c328ce216227d/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-08 01:24:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ttotnzcb6ujmxqv42rgd7a2es6jalpepqhib6ai5tqzizyqwej6q._file
Verdict:
malicious
Label(s):
formbook
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masslogger
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:fs44 persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220608-f2k4raehb4/
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
Adds Run key to start application
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
9cdd36e441f512cbc2bcd44c3f8344979205bc8f81d01f011d9c328ce216227d
MD5 hash:
0ced014149fa28726c41ac5f9351548f
SHA1 hash:
c1ed490840d5fa5a1a39bc0fbcbcce6322417465
Link:
https://www.unpac.me/results/639eb02c-7f53-4ebf-81bd-7f4ead878ed4/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9cdd36e441f5/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/9cdd36e441f512cbc2bcd44c3f8344979205bc8f81d01f011d9c328ce216227d

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:pe_imphash
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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.

Malspam

Formbook

zip 0c0b5e8b3363597f3fcc44cf49311027d3de87aafb8f8604280143bae20dddd1

Formbook

Executable exe 9cdd36e441f512cbc2bcd44c3f8344979205bc8f81d01f011d9c328ce216227d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/277605/
  
Dropped by
SHA256 0c0b5e8b3363597f3fcc44cf49311027d3de87aafb8f8604280143bae20dddd1
  
Dropped by
MD5 b5dab52ae7b98e51cdbb8e76ffabef82

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