MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47795e947ae1864d553396ae7b191c6c507f2e5e50ced435018906c43f2364e5. 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 5 File information Comments 1

SHA256 hash: 47795e947ae1864d553396ae7b191c6c507f2e5e50ced435018906c43f2364e5
SHA3-384 hash: 62fd8127d98811ab7b7d35d8008d7516fc211569dd0d4bce1c377e5a5378ea6417b55d8f0fb2357297fd7fa3f35045d3
SHA1 hash: cf47737b8783d2aea099151e9de4d7e99c8d97b8
MD5 hash: 3865c28dc1c2be2176865bdbee3aef15
humanhash: one-four-cardinal-sweet
File name:SecuriteInfo.com.Gen.Variant.Androm.29.12667.1300
Download: download sample
Signature Formbook
File size:231'609 bytes
First seen:2021-05-11 02:50:22 UTC
Last seen:2021-05-11 03:00:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 6144:L9X0Ggv38quELaK2V+hieISYkrNs+04IFozG:l0VP8qRLahh4YSNs54I+zG
Threatray 5'173 similar samples on MalwareBazaar
TLSH 723412A37B40E8ABC96A07B01E769797DFE2E1005A3947C723945F4C6E63B411D1F2E1
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
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)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.SpyNoon
Status:
Malicious
First seen:
2021-05-11 02:02:27 UTC
AV detection:
22 of 47 (46.81%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.knighttechinca.com/dxe/
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: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.

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-11 02:59:33 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
1) [C0032.001] Data Micro-objective::CRC32::Checksum
2) [C0026.002] Data Micro-objective::XOR::Encode Data
5) [C0045] File System Micro-objective::Copy File
6) [C0046] File System Micro-objective::Create Directory
7) [C0048] File System Micro-objective::Delete Directory
8) [C0047] File System Micro-objective::Delete File
9) [C0049] File System Micro-objective::Get File Attributes
10) [C0051] File System Micro-objective::Read File
11) [C0050] File System Micro-objective::Set File Attributes
12) [C0052] File System Micro-objective::Writes File
13) [E1510] Impact::Clipboard Modification
14) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
15) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
16) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
17) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
18) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
19) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
20) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
21) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
22) [C0017] Process Micro-objective::Create Process
23) [C0038] Process Micro-objective::Create Thread
24) [C0018] Process Micro-objective::Terminate Process