MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 73820e9bd81ce740a0a3ec45fe10749a64034aab5efbeb12adec9ebf46c0f2ba. 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: 9
| SHA256 hash: | 73820e9bd81ce740a0a3ec45fe10749a64034aab5efbeb12adec9ebf46c0f2ba |
|---|---|
| SHA3-384 hash: | e07ce10339a7285764606fde0019a58a71e940451745fc1913fbfa120b23692332e9638645ab4c3b8a618760082f7319 |
| SHA1 hash: | 53138f14140eb1c253e7985b8385e3853e5a5ac8 |
| MD5 hash: | 4dd9b0d139a7c9618fa5344e6b1387f8 |
| humanhash: | april-oxygen-ten-pennsylvania |
| File name: | Purchase Order.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'233'920 bytes |
| First seen: | 2020-10-16 12:19:12 UTC |
| Last seen: | 2020-10-16 16:11:59 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 24576:tdbfh8PGaONqv3Dp2E4xGREkcMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM+MMMMK:vyPGaOgNfREkcMMMMMMMMMMMMMMMMMM+ |
| Threatray | 2'479 similar samples on MalwareBazaar |
| TLSH | CE459C41F6519D67CDDF0ABA0E1AC930F3757D499408DA0D2AD83DCF36B6BA026C1E86 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing Formbook:HELO: tzdegree.com
Sending IP: 103.125.191.170
From: Chusui <chusui@tzdegree.com>
Subject: PO FROM ALANTECH CO.,LTD QTTY (PO#7A68D20)
Attachment: Purchase Order.rar (contains "Purchase Order.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2020-10-16 02:42:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
60
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'469 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook evasion
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.richardgraycabinetmaker.com/cmd/
Unpacked files
SH256 hash:
73820e9bd81ce740a0a3ec45fe10749a64034aab5efbeb12adec9ebf46c0f2ba
MD5 hash:
4dd9b0d139a7c9618fa5344e6b1387f8
SHA1 hash:
53138f14140eb1c253e7985b8385e3853e5a5ac8
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
f15a772a8f6e3637e8863d83a2caf667107f5771d12e8cd16dce163b5ad652de
MD5 hash:
ef338fc6a88e57f5c0fc56b71b24f7ea
SHA1 hash:
d9cda75de569151c5345b9e759f1a6efdd5c8799
SH256 hash:
eb67b9a1d91528f03444c7e3b97dd396cc54f83b10ce7e118832a352a9ac0daf
MD5 hash:
c4b32d6cb53557c30f7f364d3126b7c6
SHA1 hash:
2f9a87f3d83136986f94e03da74cd01bf20ceb7f
Detections:
win_formbook_g0
win_formbook_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.