MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d9766bbf57730b0aa1d3d43a8ce30d7f7b0798b82f32d235a06af5cdbb6ab6c. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 3d9766bbf57730b0aa1d3d43a8ce30d7f7b0798b82f32d235a06af5cdbb6ab6c
SHA3-384 hash: ab6f1bc890b425345cafa6b2e23a6fd69d10ecc5ab88acf40a6b4fea15ac496455735b2f8167203b5962384e081fb751
SHA1 hash: c7bef9dc9e48c473e9bf689c5d54e52d1031ba76
MD5 hash: e05fb1c468eb413efdedd6745050f9b2
humanhash: lake-fix-skylark-angel
File name:Ref8810998235 Auto Generated Order Form.exe
Download: download sample
Signature Formbook
File size:959'488 bytes
First seen:2022-10-07 09:32:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:f2iNJJYaej6Ht8wPQ9NDgB8sP4I29GS2RTk5nj+2Sf69oqu:f13U6OcQ2b2QS4gCZfjq
TLSH T12D1558BA21C54107E8297275D887D1F32AFBAD606061E1CB6AD73F6FBC411BB9113386
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Initial sample is a PE file and has a suspicious name
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)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 718167 Sample: Ref8810998235 Auto Generate... Startdate: 07/10/2022 Architecture: WINDOWS Score: 100 26 www.sandiancin.info 2->26 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 8 other signatures 2->40 9 Ref8810998235 Auto Generated Order Form.exe 3 2->9         started        signatures3 process4 file5 24 Ref8810998235 Auto... Order Form.exe.log, ASCII 9->24 dropped 12 Ref8810998235 Auto Generated Order Form.exe 9->12         started        process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 12->15 injected process8 dnsIp9 28 www.gobeautyfitness-d.space 64.190.63.111, 49700, 49701, 49702 NBS11696US United States 15->28 30 www.yujianliangyuan.com 8.136.6.150, 49699, 80 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd Singapore 15->30 32 System process connects to network (likely due to code injection or exploit) 15->32 19 msdt.exe 13 15->19         started        22 autoconv.exe 15->22         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Modifies the context of a thread in another process (thread injection) 19->46 48 Maps a DLL or memory area into another process 19->48
Threat name:
Win32.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-10-07 07:49:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
20 of 26 (76.92%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:r83r rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ee9bbe8057d0c02d75ab7fee9bf71a0a687d091d7f7655018a94e8e9e9637a75
MD5 hash:
2f82a989a039d4ada0c6c1084f090991
SHA1 hash:
bb13280fb51da99e2cf266150498291afd25ab11
SH256 hash:
1b1b4965a6fedac9fbeff4df7fb8b106398af8a319a3c140fd5854540cb33678
MD5 hash:
b0dde307e2d044beaf5379addfc15b14
SHA1 hash:
aa7a82c4d5d478112e4277ab59a7497fc7386ed8
SH256 hash:
06a801339752fcaa78a2179c2c2f60796618f3dbd1c91495d663196af3043e36
MD5 hash:
077b0981add34b422fdd7a8062c56ece
SHA1 hash:
9e3e7e5fe6c5f17fd898280c084eb8c92d9affae
SH256 hash:
70dfa4c873605ab0fcdcb62be2a970da110535280d8dc88261edbe1ed2865307
MD5 hash:
d5b0f8aff064b3e828421b48efccd312
SHA1 hash:
724f4bc7ab4e08c45562748b739c8f7496a5ad8f
SH256 hash:
1383999cb3682a0a0a54fad8a8e3f0fda2d4ce6422fa35286cece258aa1844a1
MD5 hash:
d891ee2f90e3392ee593067a038f3335
SHA1 hash:
347e96ac60f38938b0061ce5c21bec28c87f71f9
SH256 hash:
3d9766bbf57730b0aa1d3d43a8ce30d7f7b0798b82f32d235a06af5cdbb6ab6c
MD5 hash:
e05fb1c468eb413efdedd6745050f9b2
SHA1 hash:
c7bef9dc9e48c473e9bf689c5d54e52d1031ba76
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 3d9766bbf57730b0aa1d3d43a8ce30d7f7b0798b82f32d235a06af5cdbb6ab6c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments