MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d2d2c6efbb042ae0af1b79c8cc52237998ec70df56afd418abbacc48d9d3395. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d2d2c6efbb042ae0af1b79c8cc52237998ec70df56afd418abbacc48d9d3395
SHA3-384 hash: 143946ec23ab17a0d9645f2a9496d0c2d7b9db17421f3075503530296185a6e9ee4a352978419456feb52057d392b3ec
SHA1 hash: 65680f96db6b80c59dcdd93cb97771ec1330a06b
MD5 hash: bd71f70bc73e30f5e7db0dfa5e55fcf6
humanhash: maryland-mirror-zebra-violet
File name:r103_26HU100790_1707260304AFRIBFBFXXX0304171827.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'307'136 bytes
First seen:2026-03-10 06:00:13 UTC
Last seen:2026-03-10 06:17:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:SQ0Vi0VQLr57Qe6Lx7WaJzJtWvln9QhNhboxUU+U2ROoOU0V:SDVtVQR7QeMiaJzvWvMPWxUd9OoOHV
Threatray 2'747 similar samples on MalwareBazaar
TLSH T1D355F1A431E9C427C12985F90671E1719B751DAF9451E1C6BECE2EEBBFD2F001A02B83
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
205
Origin country :
BR BR
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
r103_26HU100790_1707260304AFRIBFBFXXX0304171827.exe
Verdict:
No threats detected
Analysis date:
2026-03-10 06:02:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/90ac60ea-c717-4c87-9b44-b5623586fb99

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/56905/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.22151338.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69afb388e41a5a099931ab54
Tags:
virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
krypt packed vbnet
Link:
https://www.filescan.io/uploads/69afb38391ad9169e5387e53/reports/e2543d96-9f62-4276-b306-2869479dad32/overview
Verdict:
Malicious
Labled as:
TrojanSpy/MSIL.AgentTesla
Link:
https://www.hybrid-analysis.com/sample/4d2d2c6efbb042ae0af1b79c8cc52237998ec70df56afd418abbacc48d9d3395
Verdict:
Malicious
File Type:
exe x64
Detections:
Trojan.Win32.PowerShell.nkc HEUR:Trojan.MSIL.Fakscree.gen Trojan.MSIL.Taskun.sb Trojan.MSIL.Crypt.sb
Link:
https://opentip.kaspersky.com/4d2d2c6efbb042ae0af1b79c8cc52237998ec70df56afd418abbacc48d9d3395/results?tab=lookup
Malware family:
KeyBase
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fbad90ce-55dd-4b22-a247-1af3a3d6eb7a
Score:
60%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/4d2d2c6efbb042ae0af1b79c8cc52237998ec70df56afd418abbacc48d9d3395
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d2d2c6efbb042ae0af1b79c8cc52237998ec70df56afd418abbacc48d9d3395/
Verdict:
Malicious
Threat:
Trojan.Win32.PowerShell
Link:
https://tip.neiki.dev/file/4d2d2c6efbb042ae0af1b79c8cc52237998ec70df56afd418abbacc48d9d3395
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2026-03-10 06:00:47 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
25
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=juwsy3x3wbbk4cxrw6oizrjcg6my5ryn6vvp2qmkxowmjdm5gokq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
049d02bca5fcfb5cc8f429493bd150a2363cfafc940a51fb60af9c298946cafa
Formbook
0f3ed4b01057be3c2e400ab67a130ed469ddc777476017492cd5d68fac579abe
Formbook
6b15d702539c47fd54a63bda4d309e06d3c0b92d150f61c0b8b65eae787680be
Formbook
a4b32f1a7ba468ea623a8864f891db07eac2c536ca637724f4e7daa861852fc0
Formbook
d93a5d602961d1d23e77b613866be9056abe8f5c833776a20a2635fbbad772d8
Formbook
dc868203fe63fc8e75865fcfe43849fc1a4fd6a845416dee9497834b158669eb
Formbook
dfd829121ee37f87c27adf6bb11667417743d8622eb93330cdf0136e94506472
Formbook
efd00cb99be98e761546c2c362cd5d01502fb036dbeb64679fb7d41e8d1da1dd
Formbook
error
Formbook
f4160d848ce8fc3d06604dbed868251d960839dc351673a5aec208ba48ebfc7e
Formbook
+ 2'737 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/260310-gql3caev6k/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
4d2d2c6efbb042ae0af1b79c8cc52237998ec70df56afd418abbacc48d9d3395
MD5 hash:
bd71f70bc73e30f5e7db0dfa5e55fcf6
SHA1 hash:
65680f96db6b80c59dcdd93cb97771ec1330a06b
Link:
https://www.unpac.me/results/4ac68c97-6f33-46be-8132-dc2ef8f3af5d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d2d2c6efbb0/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/4d2d2c6efbb042ae0af1b79c8cc52237998ec70df56afd418abbacc48d9d3395

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_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Malspam

Formbook

Executable exe 4d2d2c6efbb042ae0af1b79c8cc52237998ec70df56afd418abbacc48d9d3395

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/56905/

Comments