MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9aa712142f7e90d1ce40058ee97142cad2d89846930ca3f9b9696eec8a9ad7bc. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 9aa712142f7e90d1ce40058ee97142cad2d89846930ca3f9b9696eec8a9ad7bc
SHA3-384 hash: 6f3b3d6a6ba6dca8d74545f42eb3df1e98068bcea183cc07cd1aaac98a409661f5a0902060fbeb3c3c757bc0909a9c80
SHA1 hash: 024cf8b6b3ba6355b2f3d79123ee42321b47c353
MD5 hash: 3d0e9dd810cb3be25db21ef10214286b
humanhash: comet-beryllium-bakerloo-cold
File name:10039948822.exe
Download: download sample
Signature Formbook
File size:77'824 bytes
First seen:2022-06-30 07:53:16 UTC
Last seen:2022-06-30 08:39:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 1536:6zvbNxk2rT2pNeZB0b7nx0RGs7GgaD1UA2n3KH23vJwvTVIvVZT+W+0n4w:6zvbM2rT2pNeZB0b7nx0RGs7GgaD1UAE
TLSH T1327394A1F245C8DAE86652B58C1FDD202152AA9DD4B1461E30DB7B3EA9F335310B7E0F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 79e4e4ccccc4c4c0 (11 x Formbook, 9 x RedLineStealer, 3 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
10039948822.7z
Verdict:
Malicious activity
Analysis date:
2022-06-30 07:53:15 UTC
Tags:
opendir 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
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Forced shutdown of a system process
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed zbot
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 654921 Sample: 10039948822.exe Startdate: 30/06/2022 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 8 other signatures 2->47 10 10039948822.exe 15 4 2->10         started        process3 dnsIp4 39 192.227.228.34, 49747, 80 AS-COLOCROSSINGUS United States 10->39 33 C:\Users\user\AppData\...\10039948822.exe.log, ASCII 10->33 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 59 Injects a PE file into a foreign processes 10->59 15 10039948822.exe 10->15         started        18 powershell.exe 15 10->18         started        file5 signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 35 www.getvpsdime.com 20->35 37 parking.namesilo.com 64.32.22.102, 49766, 80 ST-BGPUS United States 20->37 49 System process connects to network (likely due to code injection or exploit) 20->49 26 cmstp.exe 20->26         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 26->51 53 Maps a DLL or memory area into another process 26->53 55 Tries to detect virtualization through RDTSC time measurements 26->55 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-06-30 06:13:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 39 (56.41%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s3s3 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
9aa712142f7e90d1ce40058ee97142cad2d89846930ca3f9b9696eec8a9ad7bc
MD5 hash:
3d0e9dd810cb3be25db21ef10214286b
SHA1 hash:
024cf8b6b3ba6355b2f3d79123ee42321b47c353
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 9aa712142f7e90d1ce40058ee97142cad2d89846930ca3f9b9696eec8a9ad7bc

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments