MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e004e6798d1e44ac7f24a273eeb129c8dfe9e4522baeda0e6756ec5319b90af1. 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 4 File information Comments

SHA256 hash: e004e6798d1e44ac7f24a273eeb129c8dfe9e4522baeda0e6756ec5319b90af1
SHA3-384 hash: 58f4b4138d58a3c38b097cff444109ac74aa044c256ad9234f87aec13b03124ba0ec51c1b5ff6db56671c1fb0b335bcd
SHA1 hash: a8e3a66fff21e337ada34998a717aaad0d323fc0
MD5 hash: a5a66a419e31b8a69cf1bd612ec6ffde
humanhash: ack-don-speaker-stream
File name:IZPnmcCu5EZWa98.exe
Download: download sample
Signature Formbook
File size:608'256 bytes
First seen:2024-06-19 06:52:54 UTC
Last seen:2024-06-19 07:16:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:+FIsPALdYGwUQkNVgnkLclbIDCTBr4TXzwgOAju:YIKtGEkNynD5IOTexTj
Threatray 3'043 similar samples on MalwareBazaar
TLSH T18CD4124B37BC6712E6FA57FA84B40109537576672126E7CD4C8224EA08B7F009BA3B97
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
346
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e004e6798d1e44ac7f24a273eeb129c8dfe9e4522baeda0e6756ec5319b90af1.exe
Verdict:
No threats detected
Analysis date:
2024-06-19 06:55:57 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
Generic Static Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed vbnet
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found 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)
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
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1459337 Sample: IZPnmcCu5EZWa98.exe Startdate: 19/06/2024 Architecture: WINDOWS Score: 100 31 www.nrxkrd527o.xyz 2->31 33 www.byfchfyr.xyz 2->33 35 14 other IPs or domains 2->35 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 49 10 other signatures 2->49 11 IZPnmcCu5EZWa98.exe 3 2->11         started        signatures3 47 Performs DNS queries to domains with low reputation 33->47 process4 file5 29 C:\Users\user\...\IZPnmcCu5EZWa98.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 65 Switches to a custom stack to bypass stack traces 11->65 15 IZPnmcCu5EZWa98.exe 11->15         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 2 other signatures 15->73 18 explorer.exe 93 1 15->18 injected process9 dnsIp10 37 ext-sq.squarespace.com 198.185.159.144, 49716, 80 SQUARESPACEUS United States 18->37 39 gt.huhusddfnsuegcdn.com 194.41.37.124, 49718, 80 SONDERCLOUDLIMITED-AS-APSonderCloudLimitedHK unknown 18->39 51 System process connects to network (likely due to code injection or exploit) 18->51 22 raserver.exe 18->22         started        signatures11 process12 signatures13 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 59 Switches to a custom stack to bypass stack traces 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2024-06-18 08:25:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dy13 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b2ac5d0ab06939d90f3ffb1f9b85c230614244f6a719d05dd499de41a4ee719a
MD5 hash:
0060ad8c1b154d02405f9035b59022d7
SHA1 hash:
dee04d3f3af7a467693565d3407bedd6e11f42e7
SH256 hash:
c4b12039bfed4c8bbb9d1376004da60480e49a379a84c9e60565bbd5caef07b2
MD5 hash:
144f7fcaaa3b81b0a3706203a7f1add8
SHA1 hash:
4bc14913fd448b4a2664e1e9ba664a1c6e9a9194
SH256 hash:
ecf1257cb2839319c722daf5323ba2ed7060368b46f84610b6b6823323297826
MD5 hash:
cba51dcdec84ac14ce1eaf2ede86f28b
SHA1 hash:
2e77e64525600817d96b4d9c497135c989e608ee
SH256 hash:
e004e6798d1e44ac7f24a273eeb129c8dfe9e4522baeda0e6756ec5319b90af1
MD5 hash:
a5a66a419e31b8a69cf1bd612ec6ffde
SHA1 hash:
a8e3a66fff21e337ada34998a717aaad0d323fc0
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
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 e004e6798d1e44ac7f24a273eeb129c8dfe9e4522baeda0e6756ec5319b90af1

(this sample)

  
Delivery method
Other

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments