MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b9641ea4b07a7e2e48a7be9f45a20b7c0663838d5430c90b452729843f4ea21. 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 2 File information Comments

SHA256 hash: 8b9641ea4b07a7e2e48a7be9f45a20b7c0663838d5430c90b452729843f4ea21
SHA3-384 hash: 2c169870b0445f654efcd66476ca02d91e63c77f062552a8729d9b66c135b09c2edf006517f52711246fc3367cf62a71
SHA1 hash: 046a63283cf4eb75656bb4f4c99413fbd0f86e3b
MD5 hash: 6991d190933968b416189fe78bbb2d8b
humanhash: salami-sierra-paris-kentucky
File name:602QN20427-1.exe
Download: download sample
Signature Formbook
File size:736'256 bytes
First seen:2023-05-25 16:23:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9uzZBEP85trggY+9nmp35FVk9V7Sm3Ucu3eL8Xt1O6ctdWv0bO0lGbw:Q9BEP8wgYOcw313UcuuIXtNc+v0b7oE
Threatray 1'873 similar samples on MalwareBazaar
TLSH T101F4024437F96B56E67E87F9293055B447BAA9ED3079F30A0CC3B0EA5661F004A80F27
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
269
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
602QN20427-1.exe
Verdict:
Malicious activity
Analysis date:
2023-05-25 16:26:37 UTC
Tags:
formbook xloader

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
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 875620 Sample: 602QN20427-1.exe Startdate: 25/05/2023 Architecture: WINDOWS Score: 100 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus detection for URL or domain 2->74 76 7 other signatures 2->76 10 602QN20427-1.exe 6 2->10         started        14 CDQXpTCzh.exe 4 2->14         started        process3 file4 50 C:\Users\user\AppData\Roaming\CDQXpTCzh.exe, PE32 10->50 dropped 52 C:\Users\...\CDQXpTCzh.exe:Zone.Identifier, ASCII 10->52 dropped 54 C:\Users\user\AppData\Local\...\tmp2F1E.tmp, XML 10->54 dropped 84 Uses schtasks.exe or at.exe to add and modify task schedules 10->84 86 Adds a directory exclusion to Windows Defender 10->86 88 Tries to detect virtualization through RDTSC time measurements 10->88 16 602QN20427-1.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        27 2 other processes 10->27 90 Multi AV Scanner detection for dropped file 14->90 92 Machine Learning detection for dropped file 14->92 23 CDQXpTCzh.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 16->62 64 Maps a DLL or memory area into another process 16->64 66 Sample uses process hollowing technique 16->66 68 Queues an APC in another process (thread injection) 16->68 29 explorer.exe 1 1 16->29 injected 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 25->37         started        process8 dnsIp9 56 www.bankloan-dd.ru 188.114.96.7, 49703, 80 CLOUDFLARENETUS European Union 29->56 58 www.ljcfarms.africa 29->58 60 www.incomeclub.africa 29->60 94 System process connects to network (likely due to code injection or exploit) 29->94 39 help.exe 29->39         started        42 raserver.exe 29->42         started        44 autofmt.exe 29->44         started        signatures10 process11 signatures12 78 Modifies the context of a thread in another process (thread injection) 39->78 80 Maps a DLL or memory area into another process 39->80 82 Tries to detect virtualization through RDTSC time measurements 39->82 46 cmd.exe 39->46         started        process13 process14 48 conhost.exe 46->48         started       
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Status:
Malicious
First seen:
2023-05-25 16:22:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ce18 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
b2876080a8892ec02a11cc322cc18952d45f9e419c1cb6d4d070860c59fe87eb
MD5 hash:
803e0c67b76960ff5d9ccb360ba9636b
SHA1 hash:
836d339682618638c6b2e3d156ad66a56e4f9ba5
SH256 hash:
dfdb165e9cf9c2f0c956dd1a3b3faee2025e0dacf27adbc0fdf6a43030e00667
MD5 hash:
b78a53440bd88cdd0e4fc98af6b89c82
SHA1 hash:
48fb5e614fe07ae29279a47046a452ffebced03f
SH256 hash:
b52c29ba9ef8996bdf721950d900db96f1befb9883eb38c2075528e60c7aabd4
MD5 hash:
7b6143d9d94c8b80d191b77d8b6d1ba2
SHA1 hash:
1c91704ff6da2a9dd8aaa2ff2d5a5f69a445f76b
SH256 hash:
bfa5f08655b6ab867ea0b31452dc77a1e7f0bc12b4e37e214813a3f8c31bd8b3
MD5 hash:
e6726ea2c0830d32045ea494bece0afa
SHA1 hash:
1081bdb3c6cf5467c54a15bbcc6c88edd76f0c4d
SH256 hash:
8b9641ea4b07a7e2e48a7be9f45a20b7c0663838d5430c90b452729843f4ea21
MD5 hash:
6991d190933968b416189fe78bbb2d8b
SHA1 hash:
046a63283cf4eb75656bb4f4c99413fbd0f86e3b
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.

  
Delivery method
Other

Comments