MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 288c4905fb7d867232c6bf1186db4de45215f9772db601dfd83947b121a01987. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1

SHA256 hash: 288c4905fb7d867232c6bf1186db4de45215f9772db601dfd83947b121a01987
SHA3-384 hash: 5f70846856af88b2ea8e1a4a33af4195d21541ea1d5a06d6acc1c3486ef85b5d3aa04bd795ab30126fa896adc6de2fa3
SHA1 hash: 91754fbf73e1e1af87639ea310988f1e9429ee6b
MD5 hash: 2780af653b2fe5666ed18eceaa3cceec
humanhash: nevada-pennsylvania-mirror-arizona
File name:2780af653b2fe5666ed18eceaa3cceec
Download: download sample
Signature Formbook
File size:690'176 bytes
First seen:2022-06-09 11:41:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:QNkf2iN/I9qhPjaJO5+OWEaTKCUPwVSxhzXeUX6Kov2GnHprnpmVyDm:11pI2PHAjswVMhzyKgRHprnH
TLSH T15FE401F0AEF979A9E12C2176B864653C37E35D0DDC64A43AC68BF20F34926C150F2A57
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)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2780af653b2fe5666ed18eceaa3cceec
Verdict:
Malicious activity
Analysis date:
2022-06-09 11:52:25 UTC
Tags:
n/a

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
Creating a window
Verdict:
Suspicious
Threat level:
  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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 642876 Sample: qm4J0moLMK Startdate: 09/06/2022 Architecture: WINDOWS Score: 100 33 www.goffgraphics.com 2->33 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 5 other signatures 2->49 11 qm4J0moLMK.exe 3 2->11         started        15 explorer.exe 110 2->15         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\qm4J0moLMK.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 17 qm4J0moLMK.exe 11->17         started        signatures6 process7 signatures8 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 39 Sample uses process hollowing technique 17->39 41 Queues an APC in another process (thread injection) 17->41 20 explorer.exe 17->20 injected process9 process10 22 explorer.exe 20->22         started        signatures11 51 Self deletion via cmd or bat file 22->51 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 25 cmd.exe 1 22->25         started        27 explorer.exe 86 22->27         started        process12 process13 29 conhost.exe 25->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-09 11:33:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sy37 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
13d09d15df89e9345ed4cdaf8b19e42de41a95dc0007ae755812d0a5e520cf96
MD5 hash:
02b60c2b4edb45572d6233208fee9a6c
SHA1 hash:
1cd9111a023f090b4178e8ad4a0c6ca900f27c5b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
cec107374fbaf2ffd3aafed70dc0de8001229454d1dc2744f5454d1ee02c3bcf
MD5 hash:
2bd2840bd2582ef55ff5f615a6f711bc
SHA1 hash:
c004d056520575be2e627ff35dbd18d405af344e
SH256 hash:
c18bccbaecc90ec80c2a5bd4c5b7d3bdfef0d96ce69989a234c91ae6a38947ca
MD5 hash:
cd5808c0f8347c91474e29bae79935a9
SHA1 hash:
756752f78839219a662278eecb9b0832ca5a4e00
SH256 hash:
4b3059a1fcd6c58c7fc4e574766133e89e95cb0fe6631b7f4aee664370c2571d
MD5 hash:
97f6ddc9c7e648e589849d8d6466bc18
SHA1 hash:
1104888244c872d5726728e0cb05ae6edaabf2bf
SH256 hash:
288c4905fb7d867232c6bf1186db4de45215f9772db601dfd83947b121a01987
MD5 hash:
2780af653b2fe5666ed18eceaa3cceec
SHA1 hash:
91754fbf73e1e1af87639ea310988f1e9429ee6b
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.

Web download

Formbook

Executable exe 288c4905fb7d867232c6bf1186db4de45215f9772db601dfd83947b121a01987

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-09 11:41:22 UTC

url : hxxps://107.172.75.183/Lxt.exe