MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a297bb26a4850a94e38947f33b8419668d63d8b79922459b335f466d9fe653e1. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a297bb26a4850a94e38947f33b8419668d63d8b79922459b335f466d9fe653e1
SHA3-384 hash: 6f4bd06044c0ae93e28f6c829b34334951c4ccbd784bab974e1ea80790fba0324f447007fe49b1fbb73e461e23740bfb
SHA1 hash: c1d74d5ea21ab12ab114902d82e7d181b1094d3a
MD5 hash: 5a46bbb6898d5b6d19751aca0d52ed3d
humanhash: blossom-california-two-mirror
File name:AWB doc....exe
Download: download sample
Signature Formbook
Create hunting rule
File size:584'600 bytes
First seen:2023-12-19 08:30:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:h72Sb7e0iyso3d60IoK1xpvADxuCI+MQZZtqe4kagdRPGu4Fj+9hV+3uiS:h72Sb7e39oI0IoK1xpvALHZWTkVLGiVd
TLSH T115C4D020AFBD2B45ED95AF719A3982D023F128176235C5C9DDA091DA7CAC3E387C4B17
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook signed

Code Signing Certificate

Organisation:Microsoft Cooperation 2023
Issuer:Microsoft Cooperation 2023
Algorithm:sha256WithRSAEncryption
Valid from:2023-12-18T16:24:05Z
Valid to:2024-12-18T16:24:05Z
Serial number: fc064b45b35170ee4ca370aa90de4848
Thumbprint Algorithm:SHA256
Thumbprint: 50b2338eddb410558ed3a5fa26acb51e9156445e5c156f4bdebb814d14132177
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
301
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/468423/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.25546.20388.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed stealer
Link:
https://www.filescan.io/uploads/658154c97d4bdb7f8bf7ac8c/reports/9c892609-bd7a-4697-913d-e70e2bc71264/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a297bb26a4850a94e38947f33b8419668d63d8b79922459b335f466d9fe653e1
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/10428b43-9dcc-4dd9-b19d-7c82e0d29155
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1364374
Signature
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1364374 Sample: AWB_doc....exe Startdate: 19/12/2023 Architecture: WINDOWS Score: 100 26 www.uzonedich.com 2->26 28 www.ultima-markets.info 2->28 30 14 other IPs or domains 2->30 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 6 other signatures 2->52 10 AWB_doc....exe 3 2->10         started        signatures3 process4 signatures5 54 Writes to foreign memory regions 10->54 56 Allocates memory in foreign processes 10->56 58 Injects a PE file into a foreign processes 10->58 13 calc.exe 10->13         started        process6 signatures7 60 Maps a DLL or memory area into another process 13->60 16 NokGXjZwYEA.exe 13->16 injected process8 process9 18 certutil.exe 13 16->18         started        signatures10 38 System process connects to network (likely due to code injection or exploit) 18->38 40 Tries to steal Mail credentials (via file / registry access) 18->40 42 Tries to harvest and steal browser information (history, passwords, etc) 18->42 44 4 other signatures 18->44 21 NokGXjZwYEA.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 www.uzonedich.com 103.48.135.8, 49764, 49765, 49766 XIAOZHIYUN1-AS-APICIDCNETWORKUS Hong Kong 21->32 34 www.saipanrealtygroup.com 156.226.158.102, 49760, 49761, 49762 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 21->34 36 9 other IPs or domains 21->36
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a297bb26a4850a94e38947f33b8419668d63d8b79922459b335f466d9fe653e1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a297bb26a4850a94e38947f33b8419668d63d8b79922459b335f466d9fe653e1/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-12-18 17:17:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukl3wjvequfjjy4ji7ztxbazm2gwhwfxterelgztl5dg3h7gkpqq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/231219-kepwmsfddm/
Behaviour
Modifies Internet Explorer settings
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
ce3ad90d64d6bb8374bf0b9e6e750b624bb7d9514be7122c894b1df89c1fb54a
MD5 hash:
9a4d812f06ff160aa3f0267191a3fc8b
SHA1 hash:
55c466974b96c71af387eaf898c2f7f1aef2db52
Link:
https://www.unpac.me/results/c6aaf610-4ceb-43e7-afaf-d1db6bcbded7/
SH256 hash:
a297bb26a4850a94e38947f33b8419668d63d8b79922459b335f466d9fe653e1
MD5 hash:
5a46bbb6898d5b6d19751aca0d52ed3d
SHA1 hash:
c1d74d5ea21ab12ab114902d82e7d181b1094d3a
Link:
https://www.unpac.me/results/c6aaf610-4ceb-43e7-afaf-d1db6bcbded7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a297bb26a485/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/a297bb26a4850a94e38947f33b8419668d63d8b79922459b335f466d9fe653e1

File information

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

Malspam

Formbook

Executable exe a297bb26a4850a94e38947f33b8419668d63d8b79922459b335f466d9fe653e1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/468423/

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