MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a4f2595fd06f95e90671af95430b5473d27a50097eaf3d2719de076748e1d85. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a4f2595fd06f95e90671af95430b5473d27a50097eaf3d2719de076748e1d85
SHA3-384 hash: 2e0518d7aacdb7afca9db09e2bbd4e0166f55904f66cd7901640b19e07b24e5a872a15eb623024a2c628369ec86fceae
SHA1 hash: 4bc60c4b13744c992e0a52e295bafc031791ae70
MD5 hash: aca08c69a22e6f4f07cb44a74e7b9dac
humanhash: cold-mango-twenty-blue
File name:aca08c69a22e6f4f07cb44a74e7b9dac.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:700'416 bytes
First seen:2021-08-31 08:55:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f781791341b79e2aa49e6187b296c562 (3 x Formbook, 1 x RemcosRAT, 1 x AveMariaRAT)
ssdeep 12288:9bSAuiSYEczIDyTFiPKu5mHNoMyqcLHazX:9bS78z7PuCqHqRD
Threatray 58 similar samples on MalwareBazaar
TLSH T1AAE45BCE7E8C4071E09209B5DD5B923584276F157FA89D470FAD3D0AFA3CBD19E2902A
dhash icon f0c0db6c6a7af0fc (24 x Formbook, 6 x QuasarRAT, 5 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
purchase order RYP-210720.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-30 16:44:47 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 trojan formbook stealer loader
Link:
https://app.any.run/tasks/a8fc760f-8a3f-4231-8a8b-7c0b43f43dc5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/184099/
Detection(s):
PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Trojan.Heur3.LPT.QGW@aK80jZiib.14884.8957.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Sending a UDP request
DNS request
Connection attempt
Creating a file
Deleting a recently created file
Launching the default Windows debugger (dwwin.exe)
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e8745d0a-8b1e-413a-8cb6-d62cb32ba6a0
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/842410
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject threads in other processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a4f2595fd06f95e90671af95430b5473d27a50097eaf3d2719de076748e1d85/
Threat name:
Win32.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2021-08-30 17:37:09 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjhslfp5a34v5edhdl4vimfvi46spjias7vphutrtxqhm5eodwcq._file
Verdict:
unknown
Similar samples:
11574e6b8024699ebcbd840e3dbf4adf4b93f0c5a3c120dca1bdbb29362e78af
Formbook
1ab52bac5850518b5e948ea170b9d5b9f7e2aca962e4ed99d171085cdf970e19
Formbook
30ae97a96ff5a50bbbc7af4239ed02c07a9fb2737edd2b121c255903d855c4ff
Formbook
37d995fa34e22498b1823b9b98edb207014357a673f21b560be3f2b65cb8ef10
Formbook
74daabf3e7675b3f454a918b979135237d3cab256e351509b2b7ea32f58fa7bc
Formbook
8ba4ad166994c100c26c0ba03030f7dd583a5ef90dca076963b8710b406f76ec
Formbook
bb63c61554ccc2caa79eec3705c3e4ce41626e88f375a8a1bc5b514e489b0f04
Formbook
db351de507bfb075469e69ffe4859653ca3b3d0729c0236a5d3f8fd935e01cde
Formbook
dc1bb96ddee60e15d3344fc4b0413634a54974ef9e854628157800c9d695f028
Formbook
f4f27e005b5381e5d1eb3d1d95cd4ae5c963c7601934254ebe266f08cfaf78d2
Formbook
+ 48 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/210831-px1nq6g3ma/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
4e1202f3e7e04b0b3ca1df164bf5381f24063c142317e774d4e5d88b2b3ac744
MD5 hash:
aa23dee2c34813d67fe9c67ec784782a
SHA1 hash:
10b2e7af7cb9d6f852e6d607875a8c9613538930
Link:
https://www.unpac.me/results/1969841e-014d-456b-8f9a-7a56e09fa35e/
SH256 hash:
8a4f2595fd06f95e90671af95430b5473d27a50097eaf3d2719de076748e1d85
MD5 hash:
aca08c69a22e6f4f07cb44a74e7b9dac
SHA1 hash:
4bc60c4b13744c992e0a52e295bafc031791ae70
Link:
https://www.unpac.me/results/1969841e-014d-456b-8f9a-7a56e09fa35e/
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/8a4f2595fd06f95e90671af95430b5473d27a50097eaf3d2719de076748e1d85

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Web download

Formbook

Executable exe 8a4f2595fd06f95e90671af95430b5473d27a50097eaf3d2719de076748e1d85

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1578388/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/184099/

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