MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a95e92547f26d8b505c2c70b8c96dd8c41cb73ce948781b08a0adc831b1b158. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 5a95e92547f26d8b505c2c70b8c96dd8c41cb73ce948781b08a0adc831b1b158
SHA3-384 hash: 64b55d5b3e1c0569ec8e8a9dd3dde34742aeb0cb9cbf664603eb1eb63523f985c8aa47b9c9828815ec75f1587bd5ca9c
SHA1 hash: ceaf71bd101b1a8a18c919aeac32a8223c089754
MD5 hash: d89736e82bcd61f6461e0f1eca3a7f26
humanhash: friend-mountain-monkey-one
File name:d89736e82bcd61f6461e0f1eca3a7f26.exe
Download: download sample
Signature Formbook
File size:7'102'464 bytes
First seen:2023-04-05 13:15:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:VcJs1RoFxKOUvhw+CH8vjVp+rbjCBO3uvaj+fchjNnAsM4jI4T9QoW/dkqOO:V6Sv5xp+rh3uvajzh5az
TLSH T1B7662902B7E5DA21D5BA73B6D2E065288BF1EC424211D61A30BD325A6F73363CE0675F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 2b233333331b2393 (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
241
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
d89736e82bcd61f6461e0f1eca3a7f26.exe
Verdict:
Malicious activity
Analysis date:
2023-04-05 13:21:08 UTC
Tags:
opendir formbook xloader

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

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 842064 Sample: m1G0MFEE61.exe Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 44 www.hitidigital.net 2->44 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 8 other signatures 2->68 11 m1G0MFEE61.exe 15 7 2->11         started        signatures3 process4 dnsIp5 50 192.227.183.170, 49683, 80 AS-COLOCROSSINGUS United States 11->50 38 C:\Users\user\AppData\...\Muneyaze.exe, PE32 11->38 dropped 40 C:\Users\...\Muneyaze.exe:Zone.Identifier, ASCII 11->40 dropped 42 C:\Users\user\AppData\...\m1G0MFEE61.exe.log, ASCII 11->42 dropped 72 Creates an undocumented autostart registry key 11->72 74 Encrypted powershell cmdline option found 11->74 76 Writes to foreign memory regions 11->76 78 2 other signatures 11->78 16 MSBuild.exe 11->16         started        19 MSBuild.exe 11->19         started        21 powershell.exe 16 11->21         started        23 MSBuild.exe 11->23         started        file6 signatures7 process8 signatures9 52 Modifies the context of a thread in another process (thread injection) 16->52 54 Maps a DLL or memory area into another process 16->54 56 Sample uses process hollowing technique 16->56 58 Queues an APC in another process (thread injection) 16->58 25 explorer.exe 1 1 16->25 injected 60 Tries to detect virtualization through RDTSC time measurements 19->60 29 conhost.exe 21->29         started        process10 dnsIp11 46 aspiresoothe.com 15.197.142.173, 49685, 80 TANDEMUS United States 25->46 48 www.aspiresoothe.com 25->48 70 System process connects to network (likely due to code injection or exploit) 25->70 31 systray.exe 25->31         started        signatures12 process13 signatures14 80 Modifies the context of a thread in another process (thread injection) 31->80 82 Maps a DLL or memory area into another process 31->82 84 Tries to detect virtualization through RDTSC time measurements 31->84 34 cmd.exe 1 31->34         started        process15 process16 36 conhost.exe 34->36         started       
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-05 12:30:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:my28 rat spyware stealer 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
Formbook payload
Formbook
Unpacked files
SH256 hash:
5a95e92547f26d8b505c2c70b8c96dd8c41cb73ce948781b08a0adc831b1b158
MD5 hash:
d89736e82bcd61f6461e0f1eca3a7f26
SHA1 hash:
ceaf71bd101b1a8a18c919aeac32a8223c089754
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
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information


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

Web download

Formbook

Executable exe 5a95e92547f26d8b505c2c70b8c96dd8c41cb73ce948781b08a0adc831b1b158

(this sample)

Comments