MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 50cb4a77f2df96f675c80dec26c475f843954677b7a44aefc2e4bfa313a4e63d. 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: | 50cb4a77f2df96f675c80dec26c475f843954677b7a44aefc2e4bfa313a4e63d |
|---|---|
| SHA3-384 hash: | b518d4d07236c1e6ff795d5a24892f9daee313cd223d7e58723d10a350f4256b6aed5d0bd38d5581524b389f3dedb032 |
| SHA1 hash: | 3bdb21d9373fdf0637a366dfb9163327766ef9b5 |
| MD5 hash: | c087b98a1a5ef4cf067a9194f1edd316 |
| humanhash: | venus-diet-fruit-green |
| File name: | Payment Receipt.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 616'960 bytes |
| First seen: | 2020-11-16 16:56:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:7/D+qnZVUpt8LF6CeFTgadXdn7lCSuDBSX6ZiHPRza/zWxXHeZrH/m+SEUoGU:7/D3ZVU38/2pdXZ7lCSuUX6ZiHM/zWxC |
| Threatray | 3'286 similar samples on MalwareBazaar |
| TLSH | 88D4E0353A82BD8FC75B8D76C6501D00AEA1B8675B07E70F7C8B12EC191E79A8E015B7 |
| Reporter |  fabjer |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-11-16 15:09:09 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'276 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
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 UnmapMainImage
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.bestancasterrealestateagent.com/shwq/
Unpacked files
SH256 hash:
50cb4a77f2df96f675c80dec26c475f843954677b7a44aefc2e4bfa313a4e63d
MD5 hash:
c087b98a1a5ef4cf067a9194f1edd316
SHA1 hash:
3bdb21d9373fdf0637a366dfb9163327766ef9b5
SH256 hash:
73c1bb940789b8401b12ac424e703763317d2646d2dec4f25986afb28b383ec0
MD5 hash:
97e8aaf2ea9a79ea4b54d9f2a1ec3020
SHA1 hash:
0d4a60377cfa2145687b7c492ecb68ffa3776ac5
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
SH256 hash:
e8a6bb253433053f371b4152bd88664a4b996f9f2bbe5cb4eed22fb6f2dd3333
MD5 hash:
2874e0bee21bcb2ee278c0b7993eff8a
SHA1 hash:
ae6862c0e3ea8d20bda93eaf708a94f05fc9a249
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:
Farheyt
Score:
0.80
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
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