MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c57ec7ea03791fee9e9c337171a74420550482bb9c1e626aeb7e183bcf4b195. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 3c57ec7ea03791fee9e9c337171a74420550482bb9c1e626aeb7e183bcf4b195
SHA3-384 hash: d2033e5f80ac6efe7128cccb4a79073c39a69e0faa54bcd01745b41a17402221a426d3f8d7fca86b0c9537b94d8e6b6c
SHA1 hash: 3d0aa71a52a470e7a9ec21ac0c5237f90a8e4fde
MD5 hash: 912710b3bb7718ac26b03de4d790975c
humanhash: alabama-south-missouri-blossom
File name:Order list.exe
Download: download sample
Signature Formbook
File size:640'000 bytes
First seen:2022-05-09 07:52:00 UTC
Last seen:2022-05-09 08:33:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Xtj2L2I83ysbN9uF6eTnJ02H8AaFSGRXKew/9b7v5Cg7aFY:Z2ub9CB19EpMpBCg7EY
TLSH T1ACD4220672D20776CA7827F9A021514003F73E3E7872FB8A2EC166EF5572B466551FA3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter FORMALITYDE
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order list.exe
Verdict:
Malicious activity
Analysis date:
2022-05-09 07:53:19 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 622508 Sample: Order list.exe Startdate: 09/05/2022 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 8 other signatures 2->44 9 Order list.exe 3 2->9         started        process3 file4 34 C:\Users\user\AppData\...\Order list.exe.log, ASCII 9->34 dropped 54 Injects a PE file into a foreign processes 9->54 13 Order list.exe 9->13         started        16 Order list.exe 9->16         started        18 Order list.exe 9->18         started        20 2 other processes 9->20 signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 13->56 58 Maps a DLL or memory area into another process 13->58 60 Sample uses process hollowing technique 13->60 62 Queues an APC in another process (thread injection) 13->62 22 msiexec.exe 13->22         started        25 explorer.exe 13->25 injected process8 dnsIp9 46 Self deletion via cmd delete 22->46 48 Modifies the context of a thread in another process (thread injection) 22->48 50 Maps a DLL or memory area into another process 22->50 28 cmd.exe 1 22->28         started        36 www.veganrelease.com 185.104.28.238, 49817, 80 AS-ZXCSNL Netherlands 25->36 52 System process connects to network (likely due to code injection or exploit) 25->52 30 autoconv.exe 25->30         started        signatures10 process11 process12 32 conhost.exe 28->32         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-09 07:52:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m18y rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f859cb4fa2701782ae1c8eb0110b8721068c5f132f8e7bae9f019e6409c958fc
MD5 hash:
278c46b2741aa55176005f13cdf04c5b
SHA1 hash:
9aa4a582b7304164a27719cdcb28ab177cbb3d81
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
29b560b5f9577a3399c413ce09b8be72cc60c29258b5d7c16a9511adf6096e40
MD5 hash:
55bc25dbcf7ae0f75e6a206f6de253a3
SHA1 hash:
e21ac9c3db56998500e9991bb68309a0cc07f9ff
SH256 hash:
044e6e22943ac21887eaef4daf70bc43b8d7b54b7160ecc2e0b6ff77a6832a99
MD5 hash:
0512fe61b5e75a5aa25f0c17882292cd
SHA1 hash:
3b05ecfbb15a15fd46a9d9b588620454b6361745
SH256 hash:
cfbf9a3bb8d57cda1ea90f75604a1e9634d033ebfb32caacbbf95b2678afb4ec
MD5 hash:
c096291619ec51716f26e426302581d6
SHA1 hash:
1d8052654a77672e47434c2984f3c1151bb9b96e
SH256 hash:
3c57ec7ea03791fee9e9c337171a74420550482bb9c1e626aeb7e183bcf4b195
MD5 hash:
912710b3bb7718ac26b03de4d790975c
SHA1 hash:
3d0aa71a52a470e7a9ec21ac0c5237f90a8e4fde
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 3c57ec7ea03791fee9e9c337171a74420550482bb9c1e626aeb7e183bcf4b195

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments