MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70dfd7bc81878d265e39803f73f55af96d7bf2a336408b52cc6005785fbe0415. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments 1

SHA256 hash: 70dfd7bc81878d265e39803f73f55af96d7bf2a336408b52cc6005785fbe0415
SHA3-384 hash: 9d4b2f0974dcdd15897f7b37d340d457422a518087d5fef2c5e890d3a01e3ff2b1eeeab5860da02045663e5f34ced320
SHA1 hash: 641756a84fdce68e101a53cfa6809b68190b7ad7
MD5 hash: 25e847b9631bc2fe8d87fe4278fa142e
humanhash: jersey-yellow-uranus-carolina
File name:SHIPPING DOCUMENT.exe
Download: download sample
Signature Formbook
File size:233'957 bytes
First seen:2021-05-04 17:27:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki)
ssdeep 6144:lPXZ+Qpc3dgPKMqFsSa94wwuYc3ZqiU5OPiNCPEXH:T+Qpc3dg4GS+4w5YcxiXH
Threatray 5'025 similar samples on MalwareBazaar
TLSH B734126512A0C5FBDDAE03715EF7736D2B87D0260AEA2B075FA0975F79122C1842F262
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 404217 Sample: SHIPPING DOCUMENT.exe Startdate: 04/05/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 10 other signatures 2->44 10 SHIPPING DOCUMENT.exe 19 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\...\2x6gdfzk.dll, PE32 10->30 dropped 56 Maps a DLL or memory area into another process 10->56 14 SHIPPING DOCUMENT.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.barkinlot.com 107.151.79.234, 49754, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK United States 17->32 34 www.union-green.com 154.220.41.208, 49766, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 17->34 36 4 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 48 Uses netstat to query active network connections and open ports 17->48 21 NETSTAT.EXE 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.Spynoon
Status:
Malicious
First seen:
2021-05-04 17:26:32 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.knighttechinca.com/dxe/
Unpacked files
SH256 hash:
5299a5c9ba1296db0a9f804741b58ec7a0fedaef8937e3cdc21d3523e0449ee3
MD5 hash:
45adfa33a0e6a780e55f543a36143542
SHA1 hash:
540bbbf9ec26ddef911ba80ee0365cf23b687749
SH256 hash:
92af628608af98eae82b54e9c30738964c85bc3669b0ea9ca4e685c198e26d5d
MD5 hash:
5fa08136c650eb0b1bb3e0eb6e9b5294
SHA1 hash:
21f4fb29966fbe514aecce2f4647cd14c7dc99a2
SH256 hash:
70dfd7bc81878d265e39803f73f55af96d7bf2a336408b52cc6005785fbe0415
MD5 hash:
25e847b9631bc2fe8d87fe4278fa142e
SHA1 hash:
641756a84fdce68e101a53cfa6809b68190b7ad7
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

  
Delivery method
Other

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-04 18:02:33 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread