MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f88dc07bd8d9ecaabaaad76a092029221077b4eba8d67714dc750b15a59d74f3. 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 5 File information Comments 1

SHA256 hash: f88dc07bd8d9ecaabaaad76a092029221077b4eba8d67714dc750b15a59d74f3
SHA3-384 hash: 8172c923d6c495267399e78eff5588f4a4f7f3223e6ac5d68fc7d497d706071d124f2b6ea2289446fc25b56065ab0ab6
SHA1 hash: 292b3f6cdf438ff33667c4160be9016e32187af2
MD5 hash: dd1b4545786b29ca6a8f193e48055d06
humanhash: michigan-mobile-charlie-arizona
File name:dd1b4545786b29ca6a8f193e48055d06.exe
Download: download sample
Signature Formbook
File size:234'292 bytes
First seen:2021-05-05 13:31:19 UTC
Last seen:2021-05-05 14:06:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 65 x GuLoader, 54 x Loki)
ssdeep 6144:lPXZxnmIs8Miub/wS02XbgZ33HcaLK0va9sr:TxmPd4S02XbM3HcX0vB
Threatray 4'972 similar samples on MalwareBazaar
TLSH AA3413857290D493CF3F4A724D313727EA7AB206C2BA650BABD0A7E87C379D0055F592
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Swift.doc
Verdict:
Malicious activity
Analysis date:
2021-05-05 06:26:56 UTC
Tags:
exploit CVE-2017-11882 loader

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

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
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
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found 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)
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
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: 404919 Sample: zZin4e2P9N.exe Startdate: 05/05/2021 Architecture: WINDOWS Score: 100 31 www.afasyah.com 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 5 other signatures 2->45 11 zZin4e2P9N.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\e8y8qnxvyff.dll, PE32 11->29 dropped 55 Detected unpacking (changes PE section rights) 11->55 57 Maps a DLL or memory area into another process 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 zZin4e2P9N.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 ballparksportscards.com 68.66.224.59, 49765, 80 A2HOSTINGUS United States 18->33 35 www.spyforu.com 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 colorcpl.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:
Win32.Trojan.Spynoon
Status:
Malicious
First seen:
2021-05-05 12:27:46 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.shoprodeovegas.com/xcl/
Unpacked files
SH256 hash:
e59cfc7619e0f202c0bd6f132ca988f2f7f6dc302d885d1ab2d66b04e356ff0a
MD5 hash:
6496d9ed92ba627e38ed23b4bceedf45
SHA1 hash:
64dbc80a0ad75af5eda9136c6e7ccaeba22eb8c2
SH256 hash:
f88dc07bd8d9ecaabaaad76a092029221077b4eba8d67714dc750b15a59d74f3
MD5 hash:
dd1b4545786b29ca6a8f193e48055d06
SHA1 hash:
292b3f6cdf438ff33667c4160be9016e32187af2
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Web download

Formbook

Executable exe f88dc07bd8d9ecaabaaad76a092029221077b4eba8d67714dc750b15a59d74f3

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-05 14:26:08 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread