MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88fadeb423bb62b7b435752119aac90877bb3486f3fa493e6b4cb1cb4c989bce. 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 2 File information Comments

SHA256 hash: 88fadeb423bb62b7b435752119aac90877bb3486f3fa493e6b4cb1cb4c989bce
SHA3-384 hash: a76f15a6560a0140d7ee5c6870366c04f696509fc695db168ae9982f762c6af3c5f8aabfce4f4377b41ff5520a2b7b95
SHA1 hash: 84beaf38c037a02e81e1a811ef00edb34efe4d27
MD5 hash: 739a45a65e7a0dad790d96943339302e
humanhash: golf-oregon-ack-tennis
File name:5BVPh8YBmhokV6N.exe
Download: download sample
Signature Formbook
File size:827'904 bytes
First seen:2023-06-12 09:37:12 UTC
Last seen:2023-06-19 07:42:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:T0biRoSErVxIE5SeyeDlt7Th4W0srLXICqQY:Ty4oRrjIwTDlRTh4WRLYCjY
Threatray 2'670 similar samples on MalwareBazaar
TLSH T18B05025C17FB461EC8077FBC0D101272D6FA5A9AB437D6038EDBA9D8EE17B190990293
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 71cc8cb2aa96d471 (13 x AgentTesla, 5 x Formbook, 2 x Loki)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
253
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
43619ad12453515f387adf5a57bcf1772d350246b45d65190a2c8b334f3468ac
Verdict:
Malicious activity
Analysis date:
2023-06-09 23:02:48 UTC
Tags:
formbook xloader 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
Unauthorized injection to a recently created process
Creating a file
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:
packed
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 potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 885900 Sample: 5BVPh8YBmhokV6N.exe Startdate: 12/06/2023 Architecture: WINDOWS Score: 100 31 www.efeftrust.buzz 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 6 other signatures 2->45 11 5BVPh8YBmhokV6N.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\5BVPh8YBmhokV6N.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 5BVPh8YBmhokV6N.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 3 1 15->18 injected process9 dnsIp10 33 canaldeaprendizaje.online 75.102.22.105, 49724, 80 SERVERCENTRALUS United States 18->33 35 www.ledtracklights.shop 172.67.166.131, 49723, 80 CLOUDFLARENETUS United States 18->35 37 2 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 WWAHost.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 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:
2023-06-09 09:39:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cx01 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
cbfe92a04e7ac2c85824faf02ba12eff556382502d2fc225638754384db4fa19
MD5 hash:
b56a632f4df16aaa0933f6d562d318b3
SHA1 hash:
bc3e815a5e0029c7595510eaf576e0c125705e87
SH256 hash:
4eec6b37c80c2df13024e11da7acffdf7632b06979c639b53a67d4cf65077e22
MD5 hash:
1b8922ad1c2554c06e145b3a4baa12f2
SHA1 hash:
b7073ebc19c7ae91645a845d113103fdb2c15a55
SH256 hash:
cad9d5158bd4148003f9393e3b89ea98951360112337f191af3fc7ed9d9fac34
MD5 hash:
cebb2b71aadd6adf6c4b077193e0522b
SHA1 hash:
b705fe3184e6e0a48cf7e30dbe9d1bf317e83a45
SH256 hash:
88fadeb423bb62b7b435752119aac90877bb3486f3fa493e6b4cb1cb4c989bce
MD5 hash:
739a45a65e7a0dad790d96943339302e
SHA1 hash:
84beaf38c037a02e81e1a811ef00edb34efe4d27
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 88fadeb423bb62b7b435752119aac90877bb3486f3fa493e6b4cb1cb4c989bce

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments