MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b034e21eece555e500ccbea83a3700f8e65dece7c7761bc6d237f238bd81c2d. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
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SHA256 hash: 5b034e21eece555e500ccbea83a3700f8e65dece7c7761bc6d237f238bd81c2d
SHA3-384 hash: 9e05d4fd67bae72d199776831e380f679c46db2fafe8dc3e8433bd38f25e17aefe33933cc65215eb4ec5389f39b4a3a6
SHA1 hash: ebb31774f3a6985b75e836400365035972c5fe77
MD5 hash: 58519562b6bc9cb23fb8fb81c8bc5b63
humanhash: burger-carpet-crazy-kentucky
File name:Pre-alert documents.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:803'328 bytes
First seen:2025-02-04 10:05:54 UTC
Last seen:2025-02-04 10:47:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:7N2LigDB1XMr4mogMPe6l73wMH4NtZMNlARgnR7gjuy5AGDoMYp:x2LiiZmGPHlDPYNtZMNlAtuWDo
TLSH T14F05126DFAD29B29D71D4B379463400B81A78666E152FD728EECC8E70D257C4E84B8C3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon e0e698a08088a888 (20 x Formbook, 6 x AgentTesla, 3 x SnakeKeylogger)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
460
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Pre-alert documents.r02
Verdict:
Malicious activity
Analysis date:
2025-02-04 10:06:41 UTC
Tags:
arch-exec stealer formbook xloader
Link:
https://app.any.run/tasks/06988159-14ac-4b9d-a585-beb3ca70987f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.8409.24053.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a1e79251193558eb1956c3
Tags:
msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67a1e698990173aed9356b22/reports/66794d38-c1e6-410e-9077-41f84abe9b14/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/5b034e21eece555e500ccbea83a3700f8e65dece7c7761bc6d237f238bd81c2d
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/f0c50c6b-3859-4625-b10a-6451df713f86
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1606380
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
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)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1606380 Sample: Pre-alert documents.exe Startdate: 04/02/2025 Architecture: WINDOWS Score: 100 31 www.superhoroz.xyz 2->31 33 www.iquery.xyz 2->33 35 16 other IPs or domains 2->35 45 Suricata IDS alerts for network traffic 2->45 47 Antivirus detection for URL or domain 2->47 49 Multi AV Scanner detection for submitted file 2->49 53 7 other signatures 2->53 10 Pre-alert documents.exe 3 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 33->51 process4 file5 29 C:\Users\user\...\Pre-alert documents.exe.log, ASCII 10->29 dropped 65 Injects a PE file into a foreign processes 10->65 14 Pre-alert documents.exe 10->14         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 14->67 17 jNzHEYve9.exe 14->17 injected process9 signatures10 43 Found direct / indirect Syscall (likely to bypass EDR) 17->43 20 net.exe 13 17->20         started        process11 signatures12 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Modifies the context of a thread in another process (thread injection) 20->59 61 3 other signatures 20->61 23 jNzHEYve9.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 www.adjokctp.icu 104.21.35.208, 51701, 51702, 51703 CLOUDFLARENETUS United States 23->37 39 www.physicsbrain.xyz 13.248.169.48, 51693, 51694, 51695 AMAZON-02US United States 23->39 41 7 other IPs or domains 23->41 63 Found direct / indirect Syscall (likely to bypass EDR) 23->63 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5b034e21eece555e500ccbea83a3700f8e65dece7c7761bc6d237f238bd81c2d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b034e21eece555e500ccbea83a3700f8e65dece7c7761bc6d237f238bd81c2d/
Threat name:
Win32.Trojan.Genie
Create hunting rule
Status:
Malicious
First seen:
2025-02-04 05:43:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lmbu4ipozzkv4uamzpvihi3qb6hglxwopr3wdpdnen7shc6ydqwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250204-l448asvmak/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7ec8f5f4-2f64-45f5-bbd0-0448fe56dc42
Unpacked files
SH256 hash:
5b034e21eece555e500ccbea83a3700f8e65dece7c7761bc6d237f238bd81c2d
MD5 hash:
58519562b6bc9cb23fb8fb81c8bc5b63
SHA1 hash:
ebb31774f3a6985b75e836400365035972c5fe77
Link:
https://www.unpac.me/results/4beb7026-aa6d-4a79-abb6-1a800c33e23c/
SH256 hash:
b22e8b83478ab484adc240d3780c63bf0fa221df558328c049b754149517b965
MD5 hash:
36f557e202abe0aef8c533193d13bc79
SHA1 hash:
903b9392a8d7fd4b8bec1e6fdbf02fe994ad700b
Link:
https://www.unpac.me/results/4beb7026-aa6d-4a79-abb6-1a800c33e23c/
SH256 hash:
93343ade8f91220a56ad31d3526cf355ba426ba95e71ad19690c72e739f0e5eb
MD5 hash:
a79273843356bfcf68bccc12e379edea
SHA1 hash:
a1f5df44b322c8e8097bf17e0ec755ff789a15ae
Link:
https://www.unpac.me/results/4beb7026-aa6d-4a79-abb6-1a800c33e23c/
SH256 hash:
545c06b9a2bcc6216dbfd3c394dfb2dd8517ebe8263fef8b30812e650fd5559d
MD5 hash:
aff1fbcd14edb8d7cc39a6fcc1a6f9d1
SHA1 hash:
cb7c3fac02c3a2cefb06a92714283cb35f4ed327
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4beb7026-aa6d-4a79-abb6-1a800c33e23c/
SH256 hash:
9547767da2d650e9cf0bfb5d8d2eae23b1123aa8d1febcc9e8e3578e0b9106fb
MD5 hash:
7354037ac670a386f12d3440f18fa573
SHA1 hash:
085af9d594ca34c129477350c8531fd0e899f1f6
Link:
https://www.unpac.me/results/4beb7026-aa6d-4a79-abb6-1a800c33e23c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5b034e21eece/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/5b034e21eece555e500ccbea83a3700f8e65dece7c7761bc6d237f238bd81c2d

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:NET
Create hunting rule
Author:malware-lu
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

r02 fede4da39550e1b278161b07f1f1f82a052a4cdc0a3469ef1a49e6d7ccc6c566

Formbook

Executable exe 5b034e21eece555e500ccbea83a3700f8e65dece7c7761bc6d237f238bd81c2d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 fede4da39550e1b278161b07f1f1f82a052a4cdc0a3469ef1a49e6d7ccc6c566
  
Dropped by
MD5 e6d880cd792a2130f378431d99f283d3

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