MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6896d536efc4ff152a38b540d922490261be8f76eeb3a1e41f03744330e0fb1b. 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 2 File information Comments

SHA256 hash: 6896d536efc4ff152a38b540d922490261be8f76eeb3a1e41f03744330e0fb1b
SHA3-384 hash: 72bb1d4128fdc08b3edabaf646e072711c1fab00e1405f3a0a42aa33a4bf0b8332eec073aad3b1dcaf880ed39b3e98e8
SHA1 hash: a097b016274dedab1de106d186270ab4c31d286e
MD5 hash: 01ef9966091f00c2feff9ca03f1296c1
humanhash: tennis-grey-emma-bulldog
File name:Quotation.exe
Download: download sample
Signature Formbook
File size:1'069'056 bytes
First seen:2022-10-11 21:17:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:R8JUsSqcPTvYeuVGXaqA5kRfOUcLEsGHP5r+1wmAqIZlS9MpRAQSQy4AP:R89whueaqKe5s00wcelSWPAtQy4A
TLSH T1AA357B7E269A4907D8153135C487D1F32AFB6E50A062D1CB6AD72F2FBC412BF951338A
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9aa298d4d4b8a29a (18 x SnakeKeylogger, 10 x Formbook, 5 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys packed
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 720941 Sample: Quotation.exe Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AntiVM3 2->38 40 7 other signatures 2->40 10 Quotation.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 10->30 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 Quotation.exe 10->14         started        17 Quotation.exe 10->17         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.system-reminder.live 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 23 WWAHost.exe 19->23         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-11 08:21:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:c0e5 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
13cef601ed8b7a13d423bc57c2c3d546233fba4b90919c2bd21f0c670dc9cb52
MD5 hash:
a7799f4564ba40cfaf1daa186bf31796
SHA1 hash:
d8c32f129b28f123362c67ecb78cb2a57362266d
SH256 hash:
161903f7d5633a0cdc5d416c229e1af16ad3f5a6d11dbe8d500aa9151a273f62
MD5 hash:
b460e7cd67e88a80f0b65f65d28b1c4c
SHA1 hash:
fef017687483cf2b5b9d5f8061b6f0645fdcf779
SH256 hash:
81451cb551ed738342159fc0f89c541b30241c7bd9fe35868b5f646e68ca4322
MD5 hash:
3a9101f12e652005a61e2a349d9b110d
SHA1 hash:
ed8933228f6b60825be293ad539bdc6470bcc74f
SH256 hash:
af7ac1171b44c9a949ad80bfaf05095048d0b74cfb527f66479e22f47d340110
MD5 hash:
f696dc0e00cb8f70799ac3fcaa5f9f6a
SHA1 hash:
cde2283de5b89639ea52f6388feef8f77efc63ce
SH256 hash:
6896d536efc4ff152a38b540d922490261be8f76eeb3a1e41f03744330e0fb1b
MD5 hash:
01ef9966091f00c2feff9ca03f1296c1
SHA1 hash:
a097b016274dedab1de106d186270ab4c31d286e
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 6896d536efc4ff152a38b540d922490261be8f76eeb3a1e41f03744330e0fb1b

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments