MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d9eaf3f28e001ea0dc52d3e01c415bde135493c0289437499b4e2669a1cb07c. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 2d9eaf3f28e001ea0dc52d3e01c415bde135493c0289437499b4e2669a1cb07c
SHA3-384 hash: 04141d025bcfcfc8c867048e2d61324bded673a853693daed53cefd1727033a8fa309237b753065425559ebaaa233661
SHA1 hash: 37114e7089bd3ea7e707222894d5af371a0059db
MD5 hash: 9ed3ed6d7b2ce7e722251adda4c890e7
humanhash: ack-queen-butter-twenty
File name:BANK SLIP.exe
Download: download sample
Signature Formbook
File size:1'106'944 bytes
First seen:2022-02-01 20:34:46 UTC
Last seen:2022-02-01 21:44:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:TwoUrAldhw2fiQzhqKKSqKg6WW2eQVS9VoJUimgufjtYRj/AQNXZMUJHxsjVO7J2:TpQkTzY9+g652BeoJUilat6/rtYVOV2
TLSH T15635F120B2A78A42F40B4E355468B56002B2B4D3A5C7DE776F683209DFDEB981F4974F
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6665967806087168.zip
Verdict:
Malicious activity
Analysis date:
2022-02-01 11:30:54 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
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated 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
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
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: 564557 Sample: BANK SLIP.exe Startdate: 01/02/2022 Architecture: WINDOWS Score: 100 31 www.palacesuccess.com 2->31 33 www.goexistoutdoors.com 2->33 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 7 other signatures 2->43 11 BANK SLIP.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\BANK SLIP.exe.log, ASCII 11->29 dropped 53 Injects a PE file into a foreign processes 11->53 15 BANK SLIP.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.xrayanalizer.com 66.96.162.137, 49817, 80 BIZLAND-SDUS United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 22->47 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 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:
2022-02-01 17:39:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 43 (48.84%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:geur loader persistence rat suricata
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Sets service image path in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
SH256 hash:
dab1eb6148aee331ded4f3dfafdf664372b5c4d4f5d7e7476d8f8beecab29fac
MD5 hash:
fb726be20499d9e27ac41366dc5a9ccf
SHA1 hash:
64321e705256409f277cc1d3872d44ea0e39e465
SH256 hash:
2d9eaf3f28e001ea0dc52d3e01c415bde135493c0289437499b4e2669a1cb07c
MD5 hash:
9ed3ed6d7b2ce7e722251adda4c890e7
SHA1 hash:
37114e7089bd3ea7e707222894d5af371a0059db
Malware family:
XLoader
Verdict:
Malicious
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 2d9eaf3f28e001ea0dc52d3e01c415bde135493c0289437499b4e2669a1cb07c

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments