MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c3a69db8642855e1dfcbcb213f7f050c5fb2d86744183b13483411f97009c2a0. 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: 12
| SHA256 hash: | c3a69db8642855e1dfcbcb213f7f050c5fb2d86744183b13483411f97009c2a0 |
|---|---|
| SHA3-384 hash: | c636363cccebaa8900e759d3ad5a2c8a9dee24891b6ff2ab13ff31e2fb404bcf8551d9943543554e2dbc5329d124605f |
| SHA1 hash: | 0d04e357ccb332b63b1a8d9d4e9f6b889c2f0b77 |
| MD5 hash: | 673900f8da4aa24a77f61417d0273d85 |
| humanhash: | red-quiet-chicken-mobile |
| File name: | PO-000202112.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'073'152 bytes |
| First seen: | 2021-01-13 07:40:19 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:sYz4iC+zzA40cLpjos3s9j6AHsQ9LxxrsfyXGFbKjaiRiK0bq7cx:suvzAncVn3sMQ9jNEK/T0G7c |
| Threatray | 3'393 similar samples on MalwareBazaar |
| TLSH | 73352A40BBE81700F3BD27BC693440615BF5FB95A7B8E31CF86C506A1BA2D5085BE762 |
| 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: 일동건설(주) <kkss8504@hanmail.net>
Subject: 우리를_인용하십시오 (원소재 요청드립니다.)
Attachment: PO-000202112.cab (contains "PO-000202112.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-000202112.exe
Verdict:
Malicious activity
Analysis date:
2021-01-13 09:26:03 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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 cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
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:
Detection:
formbook
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2021-01-13 07:41:21 UTC
AV detection:
3 of 46 (6.52%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'383 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 behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.culturespk.com/kbl/
Unpacked files
SH256 hash:
c3a69db8642855e1dfcbcb213f7f050c5fb2d86744183b13483411f97009c2a0
MD5 hash:
673900f8da4aa24a77f61417d0273d85
SHA1 hash:
0d04e357ccb332b63b1a8d9d4e9f6b889c2f0b77
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
SH256 hash:
a1c3702f0181b691fdd05bc1740bb44fda84786a7a3e3fbfe77e65adf100d427
MD5 hash:
693e335503922e9feb89997b729f34dc
SHA1 hash:
b96cc726167b0bddc1f6b82ad3ff3f46462a8442
SH256 hash:
e6d55ea1bf26b4658cf7533091e0fcf1f0ab04e2d5b337b060853a1b95669c4f
MD5 hash:
7e1e48c9ec5e580d12c7b591b873e1e7
SHA1 hash:
cf421a1e19a851998c8fb6df1f77835ce73306d9
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:
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
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.