MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 38dac51ef91ec8f45bdb2749e2eec758b07e7b9855f2b9b25d2e59783ba9ff41. 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: | 38dac51ef91ec8f45bdb2749e2eec758b07e7b9855f2b9b25d2e59783ba9ff41 |
|---|---|
| SHA3-384 hash: | 2cee3373f1a55ba4a572a5c920e676f1025c89574cc2fe9817fbeb2be22f8d3d7762a6487633cb5d2b7224fcf8711f89 |
| SHA1 hash: | 656e86e7556720bb16c0b8d760b87b0520ed8f20 |
| MD5 hash: | 0f44dd4d1edea35e84e0d2495ac90b5b |
| humanhash: | twelve-louisiana-maine-low |
| File name: | 20210113155320.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'089'536 bytes |
| First seen: | 2021-01-13 07:42:23 UTC |
| Last seen: | 2021-01-13 09:38:43 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:0uE0kMusCrf6QGcLiNWWMV070bMSvutqclVjZX5KxLgY:02K6QGc6H0bMSvu8aoxUY |
| Threatray | 3'402 similar samples on MalwareBazaar |
| TLSH | 52352A40ABD81700F3BD27BC297040615BF5FB95E7B9E31CF86C506A1BA6E5081BE762 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook geo KOR |
abuse_ch
Malspam distributing unidentified malware:HELO: mail-smail-vm48.hanmail.net
Sending IP: 203.133.180.236
From: 동신금속 <press02@hanmail.net>
Subject: 견적 요청 /RFQ-20210113155320 Order
Attachment: 20210113155320.cab (contains "20210113155320.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20210113155320.exe
Verdict:
Malicious activity
Analysis date:
2021-01-13 08:43:05 UTC
Tags:
trojan formbook stealer
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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
SUSPICIOUS
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
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
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 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.CrypterX
Status:
Malicious
First seen:
2021-01-13 07:43:13 UTC
AV detection:
7 of 43 (16.28%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'392 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.southsideflooringcreations.com/dkk/
Unpacked files
SH256 hash:
38dac51ef91ec8f45bdb2749e2eec758b07e7b9855f2b9b25d2e59783ba9ff41
MD5 hash:
0f44dd4d1edea35e84e0d2495ac90b5b
SHA1 hash:
656e86e7556720bb16c0b8d760b87b0520ed8f20
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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
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