MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58072106ae127403c65ebdc728812e201000b6bb6e8a3b31b6e92716f1e4cc8a. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 58072106ae127403c65ebdc728812e201000b6bb6e8a3b31b6e92716f1e4cc8a
SHA3-384 hash: 6516df63446c6920fc3a98b33bb533be81021b509c8957a06a4e41e5b296e13ac1b3820c3ac992f76cfeddad09373f20
SHA1 hash: fe24979a7d412c00f961711e876311dd5db4a7a4
MD5 hash: 7294c06fd839e31e8eabe92c7afc8ac5
humanhash: princess-finch-whiskey-eleven
File name:CARGO AIRLINES CSR 2ND FN AUG-2022.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:18'432 bytes
First seen:2022-08-01 00:17:52 UTC
Last seen:2022-08-01 14:06:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:vNYn3I4fOc46buLtjbS0kAKmSIISSSSSISSSpvKACPOD:6TfO6CM0kWVCGD
Threatray 264 similar samples on MalwareBazaar
TLSH T14782D7CB52F28D63FAA5D33C082A15434F36E96CB8A5B25B34C661CE7827B8057DD714
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)
File icon (PE):PE icon
dhash icon 0096cc714d86aa00 (18 x RemcosRAT, 14 x Formbook, 7 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
367
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/295435/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.16110.3584.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching cmd.exe command interpreter
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62e71bf96336465f2afe983b/reports/845f4e43-5abe-466a-804c-34fb6d3a9270/overview
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/507e1f92-3db7-435d-9e1b-4d38b70f6deb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1043889
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Encrypted powershell cmdline option found
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 676383 Sample: CARGO AIRLINES CSR 2ND FN A... Startdate: 01/08/2022 Architecture: WINDOWS Score: 100 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 10 other signatures 2->67 10 CARGO AIRLINES CSR 2ND FN AUG-2022.exe 16 7 2->10         started        process3 dnsIp4 57 23.95.106.35, 49715, 49750, 49755 AS-COLOCROSSINGUS United States 10->57 51 C:\Users\user\AppData\Roaming\...behaviorgraphhsiw.exe, PE32 10->51 dropped 53 C:\Users\user\...behaviorgraphhsiw.exe:Zone.Identifier, ASCII 10->53 dropped 55 CARGO AIRLINES CSR...FN AUG-2022.exe.log, ASCII 10->55 dropped 85 Encrypted powershell cmdline option found 10->85 15 InstallUtil.exe 10->15         started        18 powershell.exe 18 10->18         started        file5 signatures6 process7 signatures8 87 Modifies the context of a thread in another process (thread injection) 15->87 89 Maps a DLL or memory area into another process 15->89 91 Sample uses process hollowing technique 15->91 93 2 other signatures 15->93 20 explorer.exe 15->20 injected 22 conhost.exe 18->22         started        process9 process10 24 Ghsiw.exe 14 4 20->24         started        27 Ghsiw.exe 3 20->27         started        30 WWAHost.exe 20->30         started        32 2 other processes 20->32 dnsIp11 75 Multi AV Scanner detection for dropped file 24->75 77 Machine Learning detection for dropped file 24->77 79 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 24->79 34 InstallUtil.exe 24->34         started        37 powershell.exe 24->37         started        59 192.168.2.1 unknown unknown 27->59 81 Encrypted powershell cmdline option found 27->81 39 InstallUtil.exe 27->39         started        41 powershell.exe 27->41         started        83 Tries to detect virtualization through RDTSC time measurements 30->83 43 cmd.exe 30->43         started        signatures12 process13 signatures14 69 Modifies the context of a thread in another process (thread injection) 34->69 71 Maps a DLL or memory area into another process 34->71 73 Sample uses process hollowing technique 34->73 45 conhost.exe 37->45         started        47 conhost.exe 41->47         started        49 conhost.exe 43->49         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/58072106ae127403c65ebdc728812e201000b6bb6e8a3b31b6e92716f1e4cc8a/
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Create hunting rule
Status:
Malicious
First seen:
2022-07-31 22:58:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
27 of 41 (65.85%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ladscbvocj2ahrs6xxdsrajoeaiabnv3n2fdwmnw5etrn4pezsfa._file
Verdict:
malicious
Similar samples:
145877ca20956bebfae598ae4d4ac8c635c73ec5f7b6c34d6fdd024648f576f9
Formbook
1e35254abf2093f39899b09689d0a17d1bf70829dbae10356a2596eceb85c4c4
Formbook
245db4f7a5c9b2ab4c50a3cdaa335ac740f05e84e0ebf9859325669fe23d3ffb
Formbook
31644999cc5777b33786096ac14e8a521cbe2776049cff58a37dd5e40d473c05
Formbook
7a9ea87530211de1888f458beeb1439ec2fc521aa1e7677a64f1f7d4d780bdfa
Formbook
a1031a4ec54eb26124df7ecbb1dd0feb65434db2b97a3738de938f74ecb2527f
Formbook
c7f59a7678b39f9e6623e0b473f2420c8ba52a924ca70ab2ce849268c289c85a
Formbook
db622b8d91a72f6ecd40d9659cd9a71a523c7e4b66e527b0106211dcbf428d9b
Formbook
f7ef64ec582497050725afe8562b18971ba4b828ec640075c15976c7a941ba42
Formbook
+ 254 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g2i8 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220801-allsfseaa7/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
58072106ae127403c65ebdc728812e201000b6bb6e8a3b31b6e92716f1e4cc8a
MD5 hash:
7294c06fd839e31e8eabe92c7afc8ac5
SHA1 hash:
fe24979a7d412c00f961711e876311dd5db4a7a4
Link:
https://www.unpac.me/results/ab7c06ff-453c-4c2f-84eb-f0f3129d8cb5/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/58072106ae12/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/58072106ae127403c65ebdc728812e201000b6bb6e8a3b31b6e92716f1e4cc8a

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
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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.

Malspam

Formbook

Executable exe 58072106ae127403c65ebdc728812e201000b6bb6e8a3b31b6e92716f1e4cc8a

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/295435/

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