MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 320f7bf0fe5297d7735fc088454b523107d87d011a332e0362da98df35b5d8c3. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments

SHA256 hash: 320f7bf0fe5297d7735fc088454b523107d87d011a332e0362da98df35b5d8c3
SHA3-384 hash: 20d6cc29207a510c86aca570295ef0f5fd3c81ecedb9a1cc2fbd20dfdeb7139ae08942579e43115a3096d1e6bf742969
SHA1 hash: d6ac4a8c120ff0bba626a88cfab92a09a677d8d2
MD5 hash: c505fbcaf1940fe5c01c43626f17c47a
humanhash: harry-arkansas-oregon-indigo
File name:Contract & Inquiry.exe
Download: download sample
Signature Formbook
File size:427'930 bytes
First seen:2022-10-31 10:10:50 UTC
Last seen:2022-10-31 10:11:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:FweEwTKu1gRtv6cWGqP+D5rElT0Cx6Yx74cNqVmWtqyiigLPsDCt:Mv6cxqP+dETEYxUcIVdLbgLEDCt
TLSH T17594BE19D5449ED6D202B238E5FCFF1D46108FA6722EAB49D935BD0278727CF242AC8D
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9f197f3767531b47 (39 x Formbook, 12 x AgentTesla, 2 x RemcosRAT)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
364
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Contract & Inquiry.exe
Verdict:
Malicious activity
Analysis date:
2022-10-31 10:12:10 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
Multi AV Scanner detection for submitted file
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 734216 Sample: Contract & Inquiry.exe Startdate: 31/10/2022 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for URL or domain 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 3 other signatures 2->39 9 Contract & Inquiry.exe 18 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\brxyvygb.exe, PE32 9->25 dropped 12 brxyvygb.exe 9->12         started        process5 signatures6 51 Multi AV Scanner detection for dropped file 12->51 53 Machine Learning detection for dropped file 12->53 55 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->55 57 Maps a DLL or memory area into another process 12->57 15 brxyvygb.exe 12->15         started        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 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 27 www.xdawo.com 122.10.111.182, 49700, 49701, 80 ULAN-NETWORK-LIMITEDULanNetworkLimitedHK Hong Kong 18->27 29 www.asporwiid.space 185.68.16.167, 49704, 49705, 80 UKRAINE-ASUA Ukraine 18->29 31 9 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 cmstp.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-10-28 08:19:15 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:docv rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
341832198859b433367fb2773aa592cc9373c45ad1770f6a5caabdc19547bc1e
MD5 hash:
c4361046f8be6d85c77eb487b25d3662
SHA1 hash:
d925a30d022684b9df18237c22638d387392682f
SH256 hash:
320f7bf0fe5297d7735fc088454b523107d87d011a332e0362da98df35b5d8c3
MD5 hash:
c505fbcaf1940fe5c01c43626f17c47a
SHA1 hash:
d6ac4a8c120ff0bba626a88cfab92a09a677d8d2
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:meth_get_eip
Author:Willi Ballenthin

File information


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

Malspam

Formbook

Executable exe 320f7bf0fe5297d7735fc088454b523107d87d011a332e0362da98df35b5d8c3

(this sample)

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