MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb7daeb6acb1f5f48fdd4a0f20d43f1d47274a04bf8775cb2ec94aad4f6ab6cf. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: fb7daeb6acb1f5f48fdd4a0f20d43f1d47274a04bf8775cb2ec94aad4f6ab6cf
SHA3-384 hash: 799a93fee02c79df330a9d1f207348687a86348dd889f02549382d25ee8b98d6fdba2c6f1cd4eff90eb5ff6d5ae444f5
SHA1 hash: 316196d5759f66eb4d7cf08665ca3068ca65e70a
MD5 hash: e9f26022539476f9c6e05337a1a86e6c
humanhash: mango-september-oscar-helium
File name:Payment - Sunrise_pdf.exe
Download: download sample
Signature Formbook
File size:463'872 bytes
First seen:2022-04-14 09:28:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:vJrxJ2MpBi6cQp9iA40BTLbs8pDZK2UDsAl:BP2MpBiVQEwTLgMlHU5
Threatray 15'018 similar samples on MalwareBazaar
TLSH T13CA4DFA10D526092C5A46F36D0E2CCF17AE1B8AD4849B7DDF884EB593FF8085E9407BD
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)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
316
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Payment - Sunrise_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 09:30:01 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 window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated 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
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found 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)
Multi AV Scanner detection for domain / URL
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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 609184 Sample: Payment - Sunrise_pdf.exe Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 33 www.vendasaprovadaonline.com 2->33 35 www.seattlerealestateauction.com 2->35 37 5 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 13 other signatures 2->51 11 Payment - Sunrise_pdf.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\...\Payment - Sunrise_pdf.exe.log, ASCII 11->31 dropped 65 Injects a PE file into a foreign processes 11->65 15 Payment - Sunrise_pdf.exe 11->15         started        18 Payment - Sunrise_pdf.exe 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected process9 dnsIp10 39 www.gasandliquidcontrols.com 35.214.7.120, 49826, 80 GOOGLE-2US United States 20->39 41 www.ankaraogrenciescort.xyz 188.114.97.7, 49824, 80 CLOUDFLARENETUS European Union 20->41 43 3 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 55 Performs DNS queries to domains with low reputation 20->55 24 explorer.exe 20->24         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 24->57 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-14 07:38:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:inga loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
40c79c1389c65d04c9cb312c8289809ce29b608ac012a0340d47f3a38e605008
MD5 hash:
8f0fb0965ae5a62713154a5108c02b70
SHA1 hash:
5407d0e0646e663d9b0dc43804618cab796ac671
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
44a51f0cfe8e34521132555ff0d4ec298a11ad5e0d9d6c5025e5241976ad9b03
MD5 hash:
b82d816c62093c4f419f21280c6f8a90
SHA1 hash:
ff092c6d0f8d91ff1c5b46ceb8ac1e01d013c5d3
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
fb7daeb6acb1f5f48fdd4a0f20d43f1d47274a04bf8775cb2ec94aad4f6ab6cf
MD5 hash:
e9f26022539476f9c6e05337a1a86e6c
SHA1 hash:
316196d5759f66eb4d7cf08665ca3068ca65e70a
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 fb7daeb6acb1f5f48fdd4a0f20d43f1d47274a04bf8775cb2ec94aad4f6ab6cf

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments