MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21e08bb00bf5a84ec339e16296437ef3f5fc98b93d62da5a2e26bebbb2eb5861. 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: 21e08bb00bf5a84ec339e16296437ef3f5fc98b93d62da5a2e26bebbb2eb5861
SHA3-384 hash: 5b0b77c048b199f05e7e7d8c699a7cf781509e72adb828963c664bad2f1ff2456f92bedd77da0f210620ff63e2b96693
SHA1 hash: 9cbe9ad8ae95765033c303abe150cec63642c32a
MD5 hash: fa16f4fdb2d9ad31bbb18a35ed5aa8e8
humanhash: twelve-carolina-winter-july
File name:SecuriteInfo.com.Trojan.PackedNET.1725.22096.15782
Download: download sample
Signature Formbook
Create hunting rule
File size:969'728 bytes
First seen:2022-12-08 14:37:08 UTC
Last seen:2022-12-09 10:31:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:k2lmLFCXGPtdUA7pY+ZmBjHUk+qTBcrovP4uo7T2TwmiaY+A7e6u6Z/knOY9y5NI:1YCWl9FhZmBHQronA7TwioA7cO9Lgx
TLSH T14D25CE10F1A95506E97619BD0E7C1181037939FB2634D2DE3C8D9DCEEBE2B13478AA63
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9090e49034d8b1b1 (10 x AgentTesla, 7 x Formbook, 3 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/344404/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1725.22096.15782.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6391f6d00c6473d16719f28e/reports/c0cdf661-53f0-4466-9046-456acd992aad/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7d8965c8-0b65-4fc2-b39f-e3f9a072426e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1130837
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 763568 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 08/12/2022 Architecture: WINDOWS Score: 100 51 www.ifealafia.com 2->51 53 ifealafia.com 2->53 63 Malicious sample detected (through community Yara rule) 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 Yara detected AntiVM3 2->67 69 5 other signatures 2->69 11 JhJajGFqWxtP.exe 5 2->11         started        14 SecuriteInfo.com.Trojan.PackedNET.1725.22096.15782.exe 7 2->14         started        signatures3 process4 file5 77 Tries to detect virtualization through RDTSC time measurements 11->77 17 JhJajGFqWxtP.exe 11->17         started        20 schtasks.exe 1 11->20         started        45 C:\Users\user\AppData\...\JhJajGFqWxtP.exe, PE32 14->45 dropped 47 C:\Users\...\JhJajGFqWxtP.exe:Zone.Identifier, ASCII 14->47 dropped 49 C:\Users\user\AppData\Local\...\tmpEEBC.tmp, XML 14->49 dropped 79 Uses schtasks.exe or at.exe to add and modify task schedules 14->79 81 Adds a directory exclusion to Windows Defender 14->81 22 powershell.exe 21 14->22         started        24 schtasks.exe 1 14->24         started        26 SecuriteInfo.com.Trojan.PackedNET.1725.22096.15782.exe 14->26         started        28 SecuriteInfo.com.Trojan.PackedNET.1725.22096.15782.exe 14->28         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 17->55 57 Maps a DLL or memory area into another process 17->57 59 Sample uses process hollowing technique 17->59 61 Queues an APC in another process (thread injection) 17->61 30 explorer.exe 17->30 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        process9 process10 38 svchost.exe 30->38         started        signatures11 71 Modifies the context of a thread in another process (thread injection) 38->71 73 Maps a DLL or memory area into another process 38->73 75 Tries to detect virtualization through RDTSC time measurements 38->75 41 cmd.exe 1 38->41         started        process12 process13 43 conhost.exe 41->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21e08bb00bf5a84ec339e16296437ef3f5fc98b93d62da5a2e26bebbb2eb5861/
Threat name:
Win32.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-12-08 10:20:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ehqixmal6wue5qzz4frjmq366p27zgfzhvrnuwroe27lxmxllbqq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:f9r5 rat spyware stealer trojan
Link:
https://tria.ge/reports/221208-rzp6gadc4v/
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d867e6e5-8ff9-479c-b186-d532c3efd516
Unpacked files
SH256 hash:
3d207fd4def41c383f562b961cdeef3786dc779df01ef91ff88d22ea60da831d
MD5 hash:
58b8d734fd58642d3e3736958ab8f141
SHA1 hash:
093d6c90e06b82184159a57bc056b4ce969f53c2
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6a84b22e-1517-4673-8dcb-64a3cb6b2b06/
Parent samples :
02b628dcbfaa0cad2ccde62b1cfb16425a8d40b4cad9de200569ce1b84981612
40f511e420e73d2cb620d782e9ed31dbd1dabe4103b31e025a4158d39a209a5e
11990c08ba3e1eb0f464d9850bb76696a89f95c0368e3634488139f25b96bf42
0ce95ed2a26eb4e5f38cd27cbcac2065b3e6a71a26cdc24f56946dd0428f88be
21e08bb00bf5a84ec339e16296437ef3f5fc98b93d62da5a2e26bebbb2eb5861
60f594736fc96f0657680d022bd9b9117a4a7d08c1e80812b29d64fa69f814a3
6d0e5a8281bc43ebed5226a07a5e5e065c2f820e07646fc01273d7ec16689c88
SH256 hash:
b3c049fa9fb86a17bce2db14dccf46d123fde340605fcaba3b998d9178346cbf
MD5 hash:
549dc153254469c3697aeed8eca02f2c
SHA1 hash:
808ca9d2f646af3d33513f03aea413fe4ff50404
Link:
https://www.unpac.me/results/6a84b22e-1517-4673-8dcb-64a3cb6b2b06/
SH256 hash:
21cd7fcd65de82ec1b6a3942dddac95d573b036ed462066c61e0a36f19df45a6
MD5 hash:
bf473578023b999fae61dbef5e9fc99a
SHA1 hash:
7b9bcac2c31e054662086b09786a33ac2ec9370b
Link:
https://www.unpac.me/results/6a84b22e-1517-4673-8dcb-64a3cb6b2b06/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/6a84b22e-1517-4673-8dcb-64a3cb6b2b06/
SH256 hash:
8f69a535f14cebcda36b03a544a0bbec4fc35dfddf7216af9a5971973320be3b
MD5 hash:
e8063ebd6ecefda49fa4c6b697dfe3c5
SHA1 hash:
1e508e433dd4f1dae8a62d5af28d340aa9a77f5e
Link:
https://www.unpac.me/results/6a84b22e-1517-4673-8dcb-64a3cb6b2b06/
SH256 hash:
21e08bb00bf5a84ec339e16296437ef3f5fc98b93d62da5a2e26bebbb2eb5861
MD5 hash:
fa16f4fdb2d9ad31bbb18a35ed5aa8e8
SHA1 hash:
9cbe9ad8ae95765033c303abe150cec63642c32a
Link:
https://www.unpac.me/results/6a84b22e-1517-4673-8dcb-64a3cb6b2b06/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21e08bb00bf5/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/21e08bb00bf5a84ec339e16296437ef3f5fc98b93d62da5a2e26bebbb2eb5861

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
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/344404/

Comments