MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cf5a2454c16d739c04939e84f71d62772620f7d0f90df49266e8493393da7167. 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: 10
| SHA256 hash: | cf5a2454c16d739c04939e84f71d62772620f7d0f90df49266e8493393da7167 |
|---|---|
| SHA3-384 hash: | 7a983c7479ca366f9f49930116d710fad4b00b4471460eadc45deb76e03b51ca19c76e8b341f80cedb6bb4601be3cb23 |
| SHA1 hash: | a04c8cf5f68a0f2e5f40f5632fbbbcdaf6811cb1 |
| MD5 hash: | 85c2653a529637c000fa5ac67665dcb3 |
| humanhash: | oranges-king-princess-papa |
| File name: | 15012021546.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 914'944 bytes |
| First seen: | 2021-01-15 07:13:56 UTC |
| Last seen: | 2021-01-15 09:11:57 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger) |
| ssdeep | 12288:lnIESAPSIt9Rkwbr32Ms+FyjI15rbsCWhvUIR5:9vBX327+Ffrs |
| Threatray | 3'404 similar samples on MalwareBazaar |
| TLSH | ED158D419B919B11F37C63FE2814009167F6C36AF3E8EB6DFC81A0F6AA52E1445FD186 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook geo KOR |
abuse_ch
Malspam distributing Formbook:HELO: mail-smail-vm87.hanmail.net
Sending IP: 211.231.106.162
From: 정상훈 <jsh-9400@daum.net>
Subject: 견적 요청 /RFQ-15012021-Order-2021 Quote
Attachment: 15012021546.cab (contains "15012021546.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
15012021546.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-15 07:23:31 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
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
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Azorult
Status:
Malicious
First seen:
2021-01-15 07:14:15 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'394 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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.southsideflooringcreations.com/dkk/
Unpacked files
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
SH256 hash:
cf5a2454c16d739c04939e84f71d62772620f7d0f90df49266e8493393da7167
MD5 hash:
85c2653a529637c000fa5ac67665dcb3
SHA1 hash:
a04c8cf5f68a0f2e5f40f5632fbbbcdaf6811cb1
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
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