MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cb142a709e095c0270fbc174b4fa322f11e046d1d6197c9c34c34f8051f1a27. 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
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SHA256 hash: 8cb142a709e095c0270fbc174b4fa322f11e046d1d6197c9c34c34f8051f1a27
SHA3-384 hash: 207a9b4dd2cb96fa8a1e20139c2660b282a8f5f5156db796f145af1e5d4ce5704b1e76271f813163e1d3bf2bbc608d48
SHA1 hash: 5a7b0ae7f26f642f21c7499af71d472203f44e9b
MD5 hash: d39d8991bab050b31ede4cde52d37a0d
humanhash: indigo-apart-one-indigo
File name:Shipment Details #2.exe
Download: download sample
Signature Formbook
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File size:704'512 bytes
First seen:2022-07-04 16:29:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:+E2GrPkLdCaqWjsZ5uEd2iN+cS6FGR/NayVlyGzBg7Sl1H5fqZV7K:idCa/W5X1PBsNhVlyGzi7Sl1ZG
TLSH T1F3E4F12977F85B05C9FA47B482A8527507B7B0221523E319CEC135E92DB3B81DE1BB1B
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)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62c315c66ee6df015bb9349a/reports/68918ac5-d77c-4efb-9710-e48723bf204e/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3442f28e-6c69-45f0-be6a-e4fc6e8f2a14
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024307
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 656802 Sample: Shipment Details #2.exe Startdate: 04/07/2022 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for domain / URL 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 9 other signatures 2->41 10 Shipment Details #2.exe 3 2->10         started        process3 file4 27 C:\Users\user\...\Shipment Details #2.exe.log, ASCII 10->27 dropped 13 Shipment Details #2.exe 10->13         started        process5 signatures6 49 Modifies the context of a thread in another process (thread injection) 13->49 51 Maps a DLL or memory area into another process 13->51 53 Sample uses process hollowing technique 13->53 55 Queues an APC in another process (thread injection) 13->55 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.brillianttnc.com 16->29 31 brillianttnc.com 199.36.158.100, 49776, 80 GOOGLEUS United States 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 wlanext.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/8cb142a709e095c0270fbc174b4fa322f11e046d1d6197c9c34c34f8051f1a27/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-29 12:29:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rsyufjyj4ck4ajypxqluwt5delyr4bdndvqzpsodjq2pqbi7ditq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:sd28 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220704-tzsmpsaccl/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
3612648d359926e1b1cd84e2202b671b5dada668926bf3ebf65ea4d140fde02a
MD5 hash:
f225c9e2d469578a1fc1758db5d57024
SHA1 hash:
86dfaa0a1cdf2ef14beb5723067a8399cab779b3
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/211d1863-68fb-4a88-a588-a0cb814eab49/
Parent samples :
198c558555aa9886053d5ae9678a6179eb9305d34d3abfc41cdf1f4e56af1691
8cb142a709e095c0270fbc174b4fa322f11e046d1d6197c9c34c34f8051f1a27
c15b6c5b17eaedb2a9bfec349a7c7a394a3ff40440728a4fe52109530f6e89ce
ea0537606344cb60ca5159b9337165626af8301982b0d77020b4f49a0a6ef7b0
SH256 hash:
5723367d7cd48b98eb468740ee30085b10bfa3d6a9774e36936e6026aa58af05
MD5 hash:
ccb0686ddfcd782f6adaab81f29a9348
SHA1 hash:
fb2138780442d54c9b367ae901c7150c1d21f087
Link:
https://www.unpac.me/results/211d1863-68fb-4a88-a588-a0cb814eab49/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/211d1863-68fb-4a88-a588-a0cb814eab49/
SH256 hash:
14c5f4c589829c7dc9102fa8b48e13b48a7cc9c0259f3cd6a427e027db721714
MD5 hash:
1178d84eb9cd0e12ea9fa318a786b149
SHA1 hash:
b10d7f9b8749b12092817f03ab5ce9774d025605
Link:
https://www.unpac.me/results/211d1863-68fb-4a88-a588-a0cb814eab49/
SH256 hash:
11edcfb51a810138a8119d1ef14f905978b9411231e84dd75b1002111367966c
MD5 hash:
f9fd09aaa40c0a8e1adc064f3c8390bd
SHA1 hash:
a95cc36cab59634260c6839f444f5e91cc0d1557
Link:
https://www.unpac.me/results/211d1863-68fb-4a88-a588-a0cb814eab49/
SH256 hash:
8cb142a709e095c0270fbc174b4fa322f11e046d1d6197c9c34c34f8051f1a27
MD5 hash:
d39d8991bab050b31ede4cde52d37a0d
SHA1 hash:
5a7b0ae7f26f642f21c7499af71d472203f44e9b
Link:
https://www.unpac.me/results/211d1863-68fb-4a88-a588-a0cb814eab49/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8cb142a709e0/report/overview.html
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
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Rule name:Skystars_Malware_Imphash
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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 8cb142a709e095c0270fbc174b4fa322f11e046d1d6197c9c34c34f8051f1a27

(this sample)

  
Delivery method
Distributed via e-mail attachment

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