MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2483ca984af41c3fc2e5f6bdf8f954dbf5fc7cae277299056064505ae9b1ad07. 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: 16


Intelligence 16 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2483ca984af41c3fc2e5f6bdf8f954dbf5fc7cae277299056064505ae9b1ad07
SHA3-384 hash: 3954e23d7662bf6951bee75c6c15bb48eed6b653d154753e89eea83339c8f253fb1ab69ce5d242a531528abfb084ad05
SHA1 hash: 3aebe73953d17eb882f31bb6d0fe1e6759bf8bd7
MD5 hash: e29a8ad9f43f6dfc0812fbd621e31105
humanhash: item-twelve-batman-yankee
File name:Enquiry - ENQ#16801.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:730'632 bytes
First seen:2024-05-28 14:53:39 UTC
Last seen:2024-05-29 10:56:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:TfCVIoEmHPjlt7IdA0HFabzWtNc2qmxqG43jfHiEhO2v1uETYnWn2zJwaGipcG+I:GI3mvjlGFaXWtNckqF1O8JkWn2+aqk
TLSH T1B9F423973319A3C7EBBCDFF191EDD3530272A04A1C74E5885C95E5AC9AE7BA02410B1B
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) (4504/4/1)
File icon (PE):PE icon
dhash icon e8963351513b8ee8 (9 x AgentTesla, 4 x Formbook, 1 x Neshta)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
321
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2deb2b8c-f924-d311-827e-51344467422a.eml
Verdict:
Suspicious activity
Analysis date:
2024-05-28 13:52:46 UTC
Tags:
spam malware
Link:
https://app.any.run/tasks/6ed616e2-f2dd-4ad8-9e9d-df21ed74215d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.25656.4045.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6655f0255721c8e52717833ewin7simulatehigh_evasion
Tags:
Encryption Static Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/6655f00ffce7975594f8ce0a/reports/09f49ba6-ea81-4308-b5d7-4acbf253e92e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2483ca984af41c3fc2e5f6bdf8f954dbf5fc7cae277299056064505ae9b1ad07
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f288e28b-e613-47c9-861d-7faa25e6a305
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1448908
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448908 Sample: Enquiry - ENQ#16801.exe Startdate: 29/05/2024 Architecture: WINDOWS Score: 100 28 www.ycwtch.co.uk 2->28 30 www.pricekaboom.com 2->30 32 23 other IPs or domains 2->32 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 9 other signatures 2->48 10 Enquiry - ENQ#16801.exe 3 2->10         started        signatures3 process4 signatures5 60 Writes to foreign memory regions 10->60 62 Allocates memory in foreign processes 10->62 64 Injects a PE file into a foreign processes 10->64 13 RegSvcs.exe 10->13         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 16 VHgXPMBvECKIDgPOUgEob.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 iexpress.exe 13 16->19         started        process10 signatures11 50 Tries to steal Mail credentials (via file / registry access) 19->50 52 Tries to harvest and steal browser information (history, passwords, etc) 19->52 54 Modifies the context of a thread in another process (thread injection) 19->54 56 2 other signatures 19->56 22 VHgXPMBvECKIDgPOUgEob.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 185.31.240.240, 53457, 80 ZONEZoneMediaOUEE Estonia 22->34 36 www.0bi8.fun 107.151.241.58, 53463, 53464, 53465 VPSQUANUS United States 22->36 38 9 other IPs or domains 22->38 58 Found direct / indirect Syscall (likely to bypass EDR) 22->58 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2483ca984af41c3fc2e5f6bdf8f954dbf5fc7cae277299056064505ae9b1ad07
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2483ca984af41c3fc2e5f6bdf8f954dbf5fc7cae277299056064505ae9b1ad07/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-05-28 11:04:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=esb4vgck6qod7qxf6267r6ku3p27y7foe5zjsblamrifv2nrvudq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240528-r9vtpshe6v/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7fc15f67-3428-48b0-85eb-f5d0db50aec4
Unpacked files
SH256 hash:
8b61fbf60b9bfbb53489044100d6fd13911e2066242bd9b6478eeb622b4ddcb5
MD5 hash:
76a0f69d658268c4105c062e979798d6
SHA1 hash:
a461ecdc39dbfd50ecfaad1d129084c5c8a0458e
Link:
https://www.unpac.me/results/4a342b11-c0af-4780-8786-14d8dd52a2a1/
SH256 hash:
fb36e835b592e7d7dd9f21db0b12b7fb99eff4d83c981beb66dbe2527399d9e2
MD5 hash:
5eef95ef55462405da2c5f0934832828
SHA1 hash:
01e7d4b5cdf17f6a2098fba3e6674e3bd2edb716
Link:
https://www.unpac.me/results/4a342b11-c0af-4780-8786-14d8dd52a2a1/
SH256 hash:
0f356a74fbed5183d43d8a071cc0188d6966d0b3c13765da292365e252d34249
MD5 hash:
075b1d8d149be6bdfb6e3bae5c0c0cdd
SHA1 hash:
669f4b2c9cfffc76d66bba263a9b15fb056d1f51
Link:
https://www.unpac.me/results/4a342b11-c0af-4780-8786-14d8dd52a2a1/
SH256 hash:
10f0c25efc2619e3a9fdb44bc552cc54fe5f12ecd519065b80414c4766e36c10
MD5 hash:
32de83f2bd4983e534ae005ad1e35c11
SHA1 hash:
3956a33e466ce9ec54a6f4d5f6e00d2837ccb04c
Link:
https://www.unpac.me/results/4a342b11-c0af-4780-8786-14d8dd52a2a1/
SH256 hash:
b8ab34a35d27387492bd59cf6329681dd58d7d22ca21ba39bbb0f03f746452ce
MD5 hash:
bec4f4ee81072de7eb0f4593a8cc428b
SHA1 hash:
18e54057c2adb094779a70dc98119d57e2771c99
Link:
https://www.unpac.me/results/4a342b11-c0af-4780-8786-14d8dd52a2a1/
SH256 hash:
2483ca984af41c3fc2e5f6bdf8f954dbf5fc7cae277299056064505ae9b1ad07
MD5 hash:
e29a8ad9f43f6dfc0812fbd621e31105
SHA1 hash:
3aebe73953d17eb882f31bb6d0fe1e6759bf8bd7
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/4a342b11-c0af-4780-8786-14d8dd52a2a1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2483ca984af4/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/2483ca984af41c3fc2e5f6bdf8f954dbf5fc7cae277299056064505ae9b1ad07

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 2483ca984af41c3fc2e5f6bdf8f954dbf5fc7cae277299056064505ae9b1ad07

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments