MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8c288fd70a35727c16e668d49e1e28964d36a67804e09be663bca9a9ceaeacb4. 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: | 8c288fd70a35727c16e668d49e1e28964d36a67804e09be663bca9a9ceaeacb4 |
|---|---|
| SHA3-384 hash: | 6170e383ab78e0a7eec919ad3660331d57823f90058321b014cff538f2cd3c866a516a2f0e5251d479a1097399e185fd |
| SHA1 hash: | ae495a1e8a73782bf230e13c236f29f8014ead89 |
| MD5 hash: | 957f36fdc73e2f696761e49bf541fc45 |
| humanhash: | sodium-king-eighteen-oregon |
| File name: | TT copy.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 889'856 bytes |
| First seen: | 2020-10-23 06:55:58 UTC |
| Last seen: | 2020-10-23 14:42:57 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:qonUL0icZC9Z4viOBPNIl7GFmHOJc1Lv7UWJG8Q0P0CYwEqKI1r:xfkD4viAk7GFWOGV4Wv0CYwnKu |
| Threatray | 4'302 similar samples on MalwareBazaar |
| TLSH | 1D15BE0161A4DF01D2BE5BF4E42859F15BF93C6AE92ED28B4DA27CCE3972F005A52707 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing Formbook:HELO: sharp.co.kr
Sending IP: 103.125.191.170
From: jy_lee@sharp.co.kr
Subject: 50% advance payment
Attachment: TT copy.r15 (contains "TT copy.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
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
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-23 05:05:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
24 of 28 (85.71%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 4'292 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.richardgraycabinetmaker.com/cmd/
Unpacked files
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
SH256 hash:
5b2dce1d4c01388b0a2aeaed9fa45136b1bd034f3cbdadb4cbf3fc11e7ebc93f
MD5 hash:
ca53e6a2dfa70bd20063e0438093d755
SHA1 hash:
770647c55d8bda2fd972adf867ce84391efa8809
SH256 hash:
eb67b9a1d91528f03444c7e3b97dd396cc54f83b10ce7e118832a352a9ac0daf
MD5 hash:
c4b32d6cb53557c30f7f364d3126b7c6
SHA1 hash:
2f9a87f3d83136986f94e03da74cd01bf20ceb7f
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
8c288fd70a35727c16e668d49e1e28964d36a67804e09be663bca9a9ceaeacb4
MD5 hash:
957f36fdc73e2f696761e49bf541fc45
SHA1 hash:
ae495a1e8a73782bf230e13c236f29f8014ead89
Please note that we are no longer able to provide a coverage score for Virus Total.
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
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