MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f8134b7860408ce6e11f370d6dca9e8d4425bcfe7a1217b8c49f8ff567b73f0. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f8134b7860408ce6e11f370d6dca9e8d4425bcfe7a1217b8c49f8ff567b73f0
SHA3-384 hash: b3ca621f54f64e7d3f4a3d238605848336c58b8d5b08ed40a4d3408549f24ffe407e21652637af5c2133844d52e246af
SHA1 hash: 42f240140f37f644b506c94a93e398b4211cf021
MD5 hash: db569caf1ca462a838e93e44a2934eed
humanhash: happy-quiet-california-juliet
File name:SecuriteInfo.com.Trojan.PackedNET.3223.13475.15395
Download: download sample
Signature Formbook
Create hunting rule
File size:733'696 bytes
First seen:2025-05-29 07:30:12 UTC
Last seen:Never
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:jgDB6y9jHVIYODCkLgr7MBP8eNrqI2waIG/3+0AuRNNHD:jW9JYGeg0BJN+I2bIG/u0AuR
Threatray 3'875 similar samples on MalwareBazaar
TLSH T1ADF4121E676EA943C8A50BB91321D1B06379AEDFE613E3268FDD2DEB79173201640347
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 8271f0d4d4e87192 (10 x Formbook, 9 x SnakeKeylogger, 9 x MassLogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
500
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.PackedNET.3223.13475.15395
Verdict:
Malicious activity
Analysis date:
2025-05-29 07:31:05 UTC
Tags:
netreactor formbook xloader
Link:
https://app.any.run/tasks/75fc9770-ccc9-4af0-b146-798b56924716

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/6158/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3223.13475.15395.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68380f2f668438e362e7f917
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68380d5dfd02ed5e058dfefc/reports/ab3f01a5-63ce-4616-80d6-a8c54640d62b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1f8134b7860408ce6e11f370d6dca9e8d4425bcfe7a1217b8c49f8ff567b73f0
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/472b5eec-8b58-462b-93fa-6e4263a6cecd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1701336
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Uses threadpools to delay analysis
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1f8134b7860408ce6e11f370d6dca9e8d4425bcfe7a1217b8c49f8ff567b73f0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f8134b7860408ce6e11f370d6dca9e8d4425bcfe7a1217b8c49f8ff567b73f0/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-05-29 07:04:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d6atjn4gaqem43qr6nynnxfj5dkeew6p46qsc64mjh4p6vt3opya._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
08666ef4278f5e77d441949a6069b712fd4908fc75df489ed9289daa5ff3cf5e
Formbook
1f8134b7860408ce6e11f370d6dca9e8d4425bcfe7a1217b8c49f8ff567b73f0
Formbook
2efd54686c3942f7778ae4ad63c002e50d1fd2a08fac36ac770dff40cb3e3788
Formbook
989b2568cd870052182bd637a9a5a1bf68461e2fa59763678f88f634bfd1d51c
Formbook
error
Formbook
+ 3'865 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250529-jchh4syzey/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cc418fda-cc07-4ffb-8276-d194067936d2
Unpacked files
SH256 hash:
1f8134b7860408ce6e11f370d6dca9e8d4425bcfe7a1217b8c49f8ff567b73f0
MD5 hash:
db569caf1ca462a838e93e44a2934eed
SHA1 hash:
42f240140f37f644b506c94a93e398b4211cf021
Link:
https://www.unpac.me/results/779581f3-c5c8-44a5-af42-03d970841ce6/
SH256 hash:
af824df6fa4371c0f8fd63ac65e886f42c897bbd271dd8c0e8209114c744951e
MD5 hash:
b1e5d5c4226df61920605a9be21a502c
SHA1 hash:
5cdb288a9f4814c6f65bdeeb84b768daf5d0abbf
Link:
https://www.unpac.me/results/779581f3-c5c8-44a5-af42-03d970841ce6/
SH256 hash:
74f50c4f21f8b7cfe779df3cd8bb34a584bedd33ffc21fa4fbc65d360f96f19f
MD5 hash:
ba03ac4f8dc858ffcea099e8ccf8e2a6
SHA1 hash:
60bcc53c714fccbb2293b0762418e82528c94736
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/779581f3-c5c8-44a5-af42-03d970841ce6/
SH256 hash:
9e11978a92be19092136c64c83ab9ef4a5273b1d9f34d5287263b42ea68d6958
MD5 hash:
eaf69e05aeb9a3a33f016e8f1744a7c1
SHA1 hash:
94adb39207be08673e7378e28b881707582272b4
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/779581f3-c5c8-44a5-af42-03d970841ce6/
Parent samples :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 hash:
73cb17906e9d87bd3e4ec0045b5c649dc3b9bb9925f3975c4c6f02b459bc71db
MD5 hash:
06e98e4343f6b20e7f735b5a33163b0f
SHA1 hash:
a3d5a1d85f48c51cc733b0c8746ab9197c29bae9
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/779581f3-c5c8-44a5-af42-03d970841ce6/
Parent samples :
1f8134b7860408ce6e11f370d6dca9e8d4425bcfe7a1217b8c49f8ff567b73f0
956d3631ac68a12eefda2aa0f40f164f49dbda760f311e366697c71c3bb92de5
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1f8134b78604/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/1f8134b7860408ce6e11f370d6dca9e8d4425bcfe7a1217b8c49f8ff567b73f0

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:meth_stackstrings
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_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/6158/

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