MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 feb36d0d6cc31e013c681045838349e4c3dcb58cf98b2e3f5d1529666aa8a7e3. 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 3 File information Comments

SHA256 hash: feb36d0d6cc31e013c681045838349e4c3dcb58cf98b2e3f5d1529666aa8a7e3
SHA3-384 hash: 49f245b64e3f46c47c950e10de1198f1d7b823c2ec4f3feb249e123a133c189568587641ae4de08705872d0e26e2ed3c
SHA1 hash: 2662459ee445ff1cf7632d82a8108789d7e67d4d
MD5 hash: ec1ec0c8645aabd355f95a662727fe07
humanhash: nitrogen-paris-finch-maine
File name:PAYMENT ADVISE Customer RefAP0001158570_Pdf___.exe
Download: download sample
Signature Formbook
File size:795'648 bytes
First seen:2022-07-18 13:59:28 UTC
Last seen:2022-07-18 14:35:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9OLnctNzB0WYNCWb2gb3IU3SuJ29ipAVGGB3xkjj4YG4bDLhQFln04BNrZXpaFlH:WnctNl0vsO95AoO3x6jFTDLsfrXaQS
Threatray 16'874 similar samples on MalwareBazaar
TLSH T12805011536B82B06C4B6C3FDA639444087B976673272E79D4FD1B0DB59A2B818B01F2F
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)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Performs DNS queries to domains with low reputation
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)
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 668283 Sample: PAYMENT ADVISE Customer Ref... Startdate: 18/07/2022 Architecture: WINDOWS Score: 100 31 www.nomadpilotlife.com 2->31 33 www.splithere.com 2->33 35 nomadpilotlife.com 2->35 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 8 other signatures 2->47 9 PAYMENT ADVISE Customer RefAP0001158570_Pdf___.exe 3 2->9         started        signatures3 process4 file5 23 PAYMENT ADVISE Cus...8570_Pdf___.exe.log, ASCII 9->23 dropped 55 Injects a PE file into a foreign processes 9->55 13 PAYMENT ADVISE Customer RefAP0001158570_Pdf___.exe 9->13         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 16 explorer.exe 13->16 injected process9 dnsIp10 25 strangerthingstrivia.com 15.197.142.173, 49769, 80 TANDEMUS United States 16->25 27 laxdomax.com 103.28.37.99, 49761, 80 NHANHOA-AS-VNNhanHoaSoftwarecompanyVN Viet Nam 16->27 29 6 other IPs or domains 16->29 37 System process connects to network (likely due to code injection or exploit) 16->37 39 Performs DNS queries to domains with low reputation 16->39 20 svchost.exe 16->20         started        signatures11 process12 signatures13 49 Deletes itself after installation 20->49 51 Modifies the context of a thread in another process (thread injection) 20->51 53 Maps a DLL or memory area into another process 20->53
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2022-07-18 13:09:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
51
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
spyware stealer suricata
Behaviour
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
b85fefb0eaab0914626fcd0c6769044ff28af9c584aaf29adc1d767d99d656f3
MD5 hash:
da1849add3fc970ed35e2d8d36be7b81
SHA1 hash:
5fedd5594354b565b60082ff5940dc59d1f1adc5
SH256 hash:
781c78f48dc35cb66432bd1826965cc59fb100d4d12c04432a2c92361f8364c3
MD5 hash:
4bfe50310c7b0dd87da13cc6109f0190
SHA1 hash:
2e3cfcf114927e004ea7788b29e5dc45c5f9e246
SH256 hash:
6af3dbf1f6e80798b2c53df627c519a290e985a4d50f53015a2458699215c34e
MD5 hash:
4962665d429a40b8b571a80dff98e894
SHA1 hash:
0dcdc3e95dc627a1217874655aa179bc9ad26585
SH256 hash:
4c603ca1d4fb0342e9c8c36ee7b394e627ea824bbbd4ffbcc90c3935a18481c0
MD5 hash:
754644191f62965d91f2600f0c9e13e5
SHA1 hash:
05e186cba7527f4bca05a5fa890a93b05e3742c8
SH256 hash:
feb36d0d6cc31e013c681045838349e4c3dcb58cf98b2e3f5d1529666aa8a7e3
MD5 hash:
ec1ec0c8645aabd355f95a662727fe07
SHA1 hash:
2662459ee445ff1cf7632d82a8108789d7e67d4d
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:meth_get_eip
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 feb36d0d6cc31e013c681045838349e4c3dcb58cf98b2e3f5d1529666aa8a7e3

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

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