MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 540c181beb778359eea5bd699310b2cebd8017d5286d408b1abf12e1228b7b9d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 540c181beb778359eea5bd699310b2cebd8017d5286d408b1abf12e1228b7b9d
SHA3-384 hash: 78bb283a0abb224b11f4be11543f7433f32d34025a9c5ff5d26cdcb38d3a7422faae4a4d98d263fe168953dbb03b2d3b
SHA1 hash: f9a6e73b208e56007b04c7086d047874e4508713
MD5 hash: 94cf44254f5691f058a2f6df5e8ec4c8
humanhash: butter-hydrogen-kilo-bluebird
File name:atlasmysj4799.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:678'400 bytes
First seen:2023-05-13 22:46:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:X2iN65lBHxqd5h26MZqIv7c6+E+dTEm8+CNesDZs:X1E5lBRqd5kLp7lf+9Eqs9Zs
TLSH T117E4F1D95715DBE2C2253E7D226B61793F7044CBEA5ADA22FE88209E3D327C81F44385
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter JaffaCakes118
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
atlasmysj4799.exe
Verdict:
Malicious activity
Analysis date:
2023-05-13 22:49:03 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/f02b302a-4cf1-431e-b420-051207cea43f

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/388995/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/64601371e68f9cbce80c3aad/reports/5553adaf-66d2-4cc4-937a-d0573d11e10c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/540c181beb778359eea5bd699310b2cebd8017d5286d408b1abf12e1228b7b9d
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/632df452-3e58-4118-833a-f3028945740f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1232615
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 865596 Sample: atlasmysj4799.exe Startdate: 14/05/2023 Architecture: WINDOWS Score: 100 31 www.africanswers.online 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 6 other signatures 2->45 11 atlasmysj4799.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\atlasmysj4799.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 15 atlasmysj4799.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 1 15->18 injected process9 dnsIp10 33 www.redirr.online 18->33 35 www.osmosstore.com 18->35 37 www.leeprintanddesign.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 control.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/540c181beb778359eea5bd699310b2cebd8017d5286d408b1abf12e1228b7b9d/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-04-20 11:34:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kqgbqg7lo6bvt3vfxvuzgefsz26yaf6vfbwubcy2x4jociulpooq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gtt8 rat spyware stealer trojan
Link:
https://tria.ge/reports/230513-2qjx7shf25/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
e811c7f5003f7ad8afff2dc585e2f70789486c016fb562ed7042398ed768de29
MD5 hash:
2f8e388ddef1cb2290916f78999be660
SHA1 hash:
3a6a5b1f7dac5e2640524ed1a1b98f8668cd2ef1
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e4beb92e-b974-47ae-9a24-ba1c06e170b8/
Parent samples :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 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
Link:
https://www.unpac.me/results/e4beb92e-b974-47ae-9a24-ba1c06e170b8/
SH256 hash:
5e5c8fe4e53980a98b48fe6b19155edf0f0d285ed899c61dbf4f880583ddf1d2
MD5 hash:
b3bbc5461d12f07ea893bf415dfe7c89
SHA1 hash:
40c3156c471d2afe3fd88c7d20cf93e5782e1bd6
Link:
https://www.unpac.me/results/e4beb92e-b974-47ae-9a24-ba1c06e170b8/
SH256 hash:
ee9eff807287995443e8104c349ecde343538955584efd82d59f31bc783c5afa
MD5 hash:
34b6b22198eeaaf2433e5d2aae814d4b
SHA1 hash:
362377fc7ec9e922e42a4b2ef26169902cfd214b
Link:
https://www.unpac.me/results/e4beb92e-b974-47ae-9a24-ba1c06e170b8/
SH256 hash:
7687fc56d0266aeb4a3a4eabf2700c57b97f3b226572fd9710866e89b4d7e88c
MD5 hash:
b72dc646ae216035aeb5edb29c6ddd44
SHA1 hash:
1b75df80adf69a851d709b271de936108ce4a369
Link:
https://www.unpac.me/results/e4beb92e-b974-47ae-9a24-ba1c06e170b8/
SH256 hash:
540c181beb778359eea5bd699310b2cebd8017d5286d408b1abf12e1228b7b9d
MD5 hash:
94cf44254f5691f058a2f6df5e8ec4c8
SHA1 hash:
f9a6e73b208e56007b04c7086d047874e4508713
Link:
https://www.unpac.me/results/e4beb92e-b974-47ae-9a24-ba1c06e170b8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/540c181beb778359eea5bd699310b2cebd8017d5286d408b1abf12e1228b7b9d

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 540c181beb778359eea5bd699310b2cebd8017d5286d408b1abf12e1228b7b9d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2605461/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/388995/

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