MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d89f28603b8948dd7217e42366328a6e9bd05d59e5de67a4c39f207f8a520d43. 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: d89f28603b8948dd7217e42366328a6e9bd05d59e5de67a4c39f207f8a520d43
SHA3-384 hash: 908d2508690b457496a509f8ffc22553c889e0435b877d85151564ac324d4824ed32845387681f26327490cb6e01a651
SHA1 hash: c558912539ec6c112aae32f65adc305df8c22718
MD5 hash: 784396a4670881b864662a1b30f3875d
humanhash: cola-batman-quiet-muppet
File name:INVOICE31722.exe
Download: download sample
Signature Formbook
File size:1'146'880 bytes
First seen:2022-03-17 09:55:14 UTC
Last seen:2022-03-17 12:20:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:S3W9yQOT4hCxXRC8awzuX2kHD+xdZ3LVziKOni:S3yyh4IxXRC8awzBkHD+xDMKOi
Threatray 13'407 similar samples on MalwareBazaar
TLSH T1F135222D3B704657E1AF5BF6A06314804BF4724A2403D79FEE8271E91E537C88A2F697
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
INVOICE31722.exe
Verdict:
Malicious activity
Analysis date:
2022-03-17 10:15:31 UTC
Tags:
trojan formbook stealer

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe keylogger obfuscated packed replace.exe shell32.dll
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
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 591056 Sample: INVOICE31722.exe Startdate: 17/03/2022 Architecture: WINDOWS Score: 100 31 www.shadowofawheel.com 2->31 33 ext-cust.squarespace.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 9 other signatures 2->47 11 INVOICE31722.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\INVOICE31722.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 INVOICE31722.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 lumox-services.info 81.169.145.158, 49840, 80 STRATOSTRATOAGDE Germany 18->35 37 www.thrillopia.com 18->37 39 4 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-17 09:56:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:nhc5 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
e2f7032b4dbda26a04d80b6fd8c8fcdea33e1e896cf2ff9907243719aec735a4
MD5 hash:
099c068ef856ca386ce5f9d911c5889c
SHA1 hash:
015613723971d5492c2d2819d74ceb5120ac2320
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6ff21c090296e9fd3ec2b17e03e184e2396adf4013b2a4f4c9dea5bd7aff38f7
MD5 hash:
7c3fb3e3d91e338ae917c4cb46895e71
SHA1 hash:
ba577b8ccb3c6bbc5e9e3a838aec98859cd4dbaa
SH256 hash:
0fef011ce5c3965c678fed61f4e35151ab1c16c89eb551fcffcaabb695f53acb
MD5 hash:
303289d32ef7507ea675548fad875712
SHA1 hash:
5357052ae521e409e1bcf6828631890958ce5b05
SH256 hash:
b2e4a862830537be7cb47be129144543efd802f9b08f8a33d184098fcd50df4b
MD5 hash:
8d668229baebe6c529745ea1d988039d
SHA1 hash:
364562eac46d733016fb577440fee5ce36fd67ad
SH256 hash:
d89f28603b8948dd7217e42366328a6e9bd05d59e5de67a4c39f207f8a520d43
MD5 hash:
784396a4670881b864662a1b30f3875d
SHA1 hash:
c558912539ec6c112aae32f65adc305df8c22718
Malware family:
XLoader
Verdict:
Malicious
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 d89f28603b8948dd7217e42366328a6e9bd05d59e5de67a4c39f207f8a520d43

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments