MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eca9a2829be2031d2fe02399f4a6f504f627151767bb16acc8c67ecf7f219e2e. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eca9a2829be2031d2fe02399f4a6f504f627151767bb16acc8c67ecf7f219e2e
SHA3-384 hash: 0908a9e9d5995fb3e5e28c5e513f5b8382051bf06ee4f5041c5b62dfc2a21e8bc0b4a9abdd96d3676416c655cb6135a8
SHA1 hash: f4c589b4387ab79a63db5ed950de7bd94c9ab818
MD5 hash: c8b1fe13b42e7e10a816036e70ac1c4d
humanhash: alanine-summer-quebec-fruit
File name:9mLUoNk6QSRWtqY.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:713'728 bytes
First seen:2025-04-22 12:59:20 UTC
Last seen:2025-06-27 08:37:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:+gCRxB6VZGbOqRydUujFNCU60eNDuiZEVVgRNLFeS/JEJGylwPTW:ySGbOjDSU6SikuhaTlMTW
TLSH T111E413997256E963C8A727B51921C0B81738EFCCD813DB1B9BED3EAFB8776542440390
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
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter Anonymous
Tags:213-209-150-18 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
471
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/3419/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.49125.5947.11396.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680793f9892d799f537ac197
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/680792eee9c1e257979f8864/reports/263f6708-9179-41c3-be71-ad2812cbc9d0/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/eca9a2829be2031d2fe02399f4a6f504f627151767bb16acc8c67ecf7f219e2e
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3d27950a-c528-42b3-8b55-1fe597c80594
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1671052
Signature
.NET source code contains potential unpacker
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious 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
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: 1671052 Sample: 9mLUoNk6QSRWtqY.exe Startdate: 22/04/2025 Architecture: WINDOWS Score: 100 34 www.servisyeni.xyz 2->34 36 www.melayari.xyz 2->36 38 5 other IPs or domains 2->38 42 Suricata IDS alerts for network traffic 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected FormBook 2->46 50 3 other signatures 2->50 10 9mLUoNk6QSRWtqY.exe 3 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 36->48 process4 file5 26 C:\Users\user\...\9mLUoNk6QSRWtqY.exe.log, ASCII 10->26 dropped 60 Injects a PE file into a foreign processes 10->60 14 9mLUoNk6QSRWtqY.exe 10->14         started        signatures6 process7 signatures8 62 Maps a DLL or memory area into another process 14->62 17 cl4puXmbd7xSjzMyvVx.exe 14->17 injected process9 dnsIp10 28 www.servisyeni.xyz 172.67.189.166, 49697, 49698, 49699 CLOUDFLARENETUS United States 17->28 30 topdogdrones.net 3.33.130.190, 49701, 49702, 49703 AMAZONEXPANSIONGB United States 17->30 32 2 other IPs or domains 17->32 40 Found direct / indirect Syscall (likely to bypass EDR) 17->40 21 fltMC.exe 13 17->21         started        signatures11 process12 signatures13 52 Tries to steal Mail credentials (via file / registry access) 21->52 54 Tries to harvest and steal browser information (history, passwords, etc) 21->54 56 Modifies the context of a thread in another process (thread injection) 21->56 58 2 other signatures 21->58 24 firefox.exe 21->24         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/eca9a2829be2031d2fe02399f4a6f504f627151767bb16acc8c67ecf7f219e2e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eca9a2829be2031d2fe02399f4a6f504f627151767bb16acc8c67ecf7f219e2e/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-04-22 13:00:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5su2fau34ibr2l7aeom7jjxvat3cofixm65rnlgiyz7m67zbtyxa._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250422-p8wnhazl16/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/23a28545-e553-4c60-9ce7-572b7daa7eaa
Unpacked files
SH256 hash:
eca9a2829be2031d2fe02399f4a6f504f627151767bb16acc8c67ecf7f219e2e
MD5 hash:
c8b1fe13b42e7e10a816036e70ac1c4d
SHA1 hash:
f4c589b4387ab79a63db5ed950de7bd94c9ab818
Link:
https://www.unpac.me/results/60f8ed15-e54a-4f44-986b-742152af0890/
SH256 hash:
33d36bce0f224f9b680bf5c9004d244156828d3676a8a124d86e91c870424b1e
MD5 hash:
98ad6461feadcc07505e98d3f5f4ad84
SHA1 hash:
0fa168dee952ba3a507efada0fd555aabf5f19ff
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/60f8ed15-e54a-4f44-986b-742152af0890/
SH256 hash:
5de2f6a861269bb99a2670e018b4f518853cbdb009a3ccd6ab23be9e4727fc5f
MD5 hash:
e007a481937c09fcb71d0c6812bf604f
SHA1 hash:
4d582b3e8868dc26a7b901c25672657be1847019
Link:
https://www.unpac.me/results/60f8ed15-e54a-4f44-986b-742152af0890/
SH256 hash:
2dd3468fc03a407c2479d7bf32e319187645048184c0511bea48803d268259c1
MD5 hash:
7399e32246bbb2af9640b0e08c1109e9
SHA1 hash:
fb22cfdc94de3f43ba55ee61e2f814b06386dbd9
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/60f8ed15-e54a-4f44-986b-742152af0890/
SH256 hash:
ad8df353df30522924f19571c6b809832db90908295e1ede557183e83d0e9aec
MD5 hash:
61a8c3db4f89852512f0d480fbf55f19
SHA1 hash:
c0c9900129ecda67180a7898c7f94f72c77e09cb
Link:
https://www.unpac.me/results/60f8ed15-e54a-4f44-986b-742152af0890/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eca9a2829be2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/eca9a2829be2031d2fe02399f4a6f504f627151767bb16acc8c67ecf7f219e2e

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:NETexecutableMicrosoft
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.

Cape
Cape
https://www.capesandbox.com/analysis/3419/

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 (GUARD_CF)high

Comments