MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc9fd84fffa1811ef3177586d7c6aee88dc4dc5412fd658ee4bb36ff934eec01. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: cc9fd84fffa1811ef3177586d7c6aee88dc4dc5412fd658ee4bb36ff934eec01
SHA3-384 hash: 373a3ac0f6bb202dbb612d0fb8f18b2ad4e72693e411accfabc4b2347891e59990b7efde77609a1a7bdc3240e81e5981
SHA1 hash: 0042b18051a33187d32cf4acfc8cdc9faf7fce79
MD5 hash: b69681df5a4be22c7f52eccd03431742
humanhash: angel-equal-sierra-oranges
File name:RFQ 0341101-7996.exe
Download: download sample
Signature Formbook
File size:600'064 bytes
First seen:2023-05-08 10:43:34 UTC
Last seen:2023-05-13 22:56:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:wM7i5ZPi2sRVMCv3sJ4mZFKjpvNKgPAcvDZhdhbrvt:N70YF3Jp4ajdl5
Threatray 2'814 similar samples on MalwareBazaar
TLSH T148D4020472B58FA1E6798BF01938B54403B671F758F4E64D0EE660CA1AEBF102764B9F
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
279
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ 0341101-7996.exe
Verdict:
Malicious activity
Analysis date:
2023-05-08 10:46:31 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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 from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.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 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
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 netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 861157 Sample: RFQ_0341101-7996.exe Startdate: 08/05/2023 Architecture: WINDOWS Score: 100 65 www.developmentszhuiservice.com 2->65 81 Snort IDS alert for network traffic 2->81 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 8 other signatures 2->87 11 RFQ_0341101-7996.exe 7 2->11         started        15 ZRhKowRwf.exe 5 2->15         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\ZRhKowRwf.exe, PE32 11->51 dropped 53 C:\Users\...\ZRhKowRwf.exe:Zone.Identifier, ASCII 11->53 dropped 55 C:\Users\user\AppData\Local\...\tmp285C.tmp, XML 11->55 dropped 57 C:\Users\user\...\RFQ_0341101-7996.exe.log, ASCII 11->57 dropped 95 Uses schtasks.exe or at.exe to add and modify task schedules 11->95 97 Adds a directory exclusion to Windows Defender 11->97 99 Tries to detect virtualization through RDTSC time measurements 11->99 17 RFQ_0341101-7996.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        30 3 other processes 11->30 101 Multi AV Scanner detection for dropped file 15->101 103 Machine Learning detection for dropped file 15->103 24 ZRhKowRwf.exe 15->24         started        26 schtasks.exe 1 15->26         started        28 ZRhKowRwf.exe 15->28         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 17->67 69 Maps a DLL or memory area into another process 17->69 71 Sample uses process hollowing technique 17->71 73 Queues an APC in another process (thread injection) 17->73 32 explorer.exe 3 6 17->32 injected 36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 26->40         started        process9 dnsIp10 59 gtm-sg-4hr306h0c1a.gtm-i1d9.com 154.197.16.154, 49738, 80 SBSI-AS-APSRASIBusinessSolutionsIncPH Seychelles 32->59 61 www.tractionx.co.uk 23.227.38.65, 49730, 80 CLOUDFLARENETUS Canada 32->61 63 4 other IPs or domains 32->63 75 System process connects to network (likely due to code injection or exploit) 32->75 77 Performs DNS queries to domains with low reputation 32->77 79 Uses netsh to modify the Windows network and firewall settings 32->79 42 netsh.exe 32->42         started        45 msiexec.exe 32->45         started        signatures11 process12 signatures13 89 Modifies the context of a thread in another process (thread injection) 42->89 91 Maps a DLL or memory area into another process 42->91 93 Tries to detect virtualization through RDTSC time measurements 42->93 47 cmd.exe 1 42->47         started        process14 process15 49 conhost.exe 47->49         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-05-08 09:08:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o17i rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
98b72570d88cda7a1e5c84b4b6b2bf3d2cd26dd0b44ed1e7dd37e818c819563a
MD5 hash:
8640b1f70bc90cee7c59e946ef298c86
SHA1 hash:
a810b1087e9c290a033e565483fbd459e21e0cc6
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
70353f625ef43f81cea32aee5206c36ca8853aa657b209dc1f7bd5056e5685a5
MD5 hash:
87f87867f7bdd73435cc05730aa9a7df
SHA1 hash:
4a6affa2ec9da104add086524b48219b80026715
SH256 hash:
7d4d2727af16bd43a8b84684fcf9471ffac7adb5a99bab3476951c16dcdfa4c3
MD5 hash:
48f25f70764858909ab7fa96721f9d01
SHA1 hash:
1a8628d1c7ea6cf1d06dbfc58cbca14d32139fbd
SH256 hash:
cc9fd84fffa1811ef3177586d7c6aee88dc4dc5412fd658ee4bb36ff934eec01
MD5 hash:
b69681df5a4be22c7f52eccd03431742
SHA1 hash:
0042b18051a33187d32cf4acfc8cdc9faf7fce79
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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

Executable exe cc9fd84fffa1811ef3177586d7c6aee88dc4dc5412fd658ee4bb36ff934eec01

(this sample)

  
Delivery method
Distributed via e-mail attachment

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