MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fac0d50307e72ddb6bddb0865c4053d9a9bb691641a12989594f71f0e6137d1f. 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


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fac0d50307e72ddb6bddb0865c4053d9a9bb691641a12989594f71f0e6137d1f
SHA3-384 hash: 2edb447633b659a3a7df77c3f6c8fe3629e1e46045c2698e6dd9b6af84496ab9b21f45be325906c9a1e79491875ebb63
SHA1 hash: 3abb4eb5b6eae3c088c13698dd54eb06a2b8de48
MD5 hash: c021921cd23808cb0e4040d1fccd30d6
humanhash: wyoming-black-crazy-ack
File name:SecuriteInfo.com.W32.AIDetectNet.01.24075.5367
Download: download sample
Signature Formbook
Create hunting rule
File size:1'095'680 bytes
First seen:2022-08-09 02:29:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:A/yKZ+uOOOiYGLW9uJhZ1Q7LLOstiumDIDHqnijxOvS:A/yK8uOOOiFLEO71QfLOs0umUzq6xOv
TLSH T18C35F181A3955721C9692BF8962DEE900BE37EE67439EA1D3DC130F963733920161D2F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0e40202e03052061 (1 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
288
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.24075.5367
Verdict:
Malicious activity
Analysis date:
2022-08-09 02:31:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e3fcbf1d-110c-4f72-8101-53f172f20bd2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/297215/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.24075.5367.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/800a1b28-f58d-4b0f-a77e-987b6a9289bd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1048233
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/fac0d50307e72ddb6bddb0865c4053d9a9bb691641a12989594f71f0e6137d1f/
Threat name:
Win32.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2022-08-09 02:30:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7lankayh44w5w265wcdfyqct3gu3w2iwigqstckzj5y7bzqtpupq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ck12 rat spyware stealer trojan
Link:
https://tria.ge/reports/220809-cy53zabegl/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
908b90cb963cb4cf2812e25d47afef0e42b466ed97fd6c1a4ac2e75ca6e82e06
MD5 hash:
2647389288eb7b913709f5abf38549eb
SHA1 hash:
59f9e62337a5a86c1c696b1eeb086c6fdea099fa
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/f0dded2a-b8f3-42a7-b34b-687ef715f219/
Parent samples :
59a28cde38f960a1cf0bb2c77519ac8ba3a3c506c2d21eaa8fd63e133db9ea38
fac0d50307e72ddb6bddb0865c4053d9a9bb691641a12989594f71f0e6137d1f
SH256 hash:
605b8c831d46d7c5ae473373bfabb8752099bc3bc0d4c512a85b1d60e3692b72
MD5 hash:
994227949829e2630a4d845998fb02dd
SHA1 hash:
4afa45bdd0479774a4a0d4809a3e0c955df8ff75
Link:
https://www.unpac.me/results/f0dded2a-b8f3-42a7-b34b-687ef715f219/
SH256 hash:
6f7d575e37ce699f66afcba0dbf44a9a0dd02f59b0002b9e31a6581ce6dd2cbb
MD5 hash:
92ba80692bca6e23842eec60f86d6a53
SHA1 hash:
3b2aad569a3943c5cd5bb415892262195d5f5d72
Link:
https://www.unpac.me/results/f0dded2a-b8f3-42a7-b34b-687ef715f219/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/f0dded2a-b8f3-42a7-b34b-687ef715f219/
SH256 hash:
f69b7a3e72cf6f26bf1689413ab3aa5aad84f905f46a138c9d022dc8e703dd0d
MD5 hash:
25ce22009953dc30c6f0e3069fed4ac7
SHA1 hash:
10624afd5ffcfaf6e64b95936a4bd06d085a4d34
Link:
https://www.unpac.me/results/f0dded2a-b8f3-42a7-b34b-687ef715f219/
SH256 hash:
fac0d50307e72ddb6bddb0865c4053d9a9bb691641a12989594f71f0e6137d1f
MD5 hash:
c021921cd23808cb0e4040d1fccd30d6
SHA1 hash:
3abb4eb5b6eae3c088c13698dd54eb06a2b8de48
Link:
https://www.unpac.me/results/f0dded2a-b8f3-42a7-b34b-687ef715f219/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fac0d50307e7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fac0d50307e72ddb6bddb0865c4053d9a9bb691641a12989594f71f0e6137d1f

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/297215/

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