MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ad6c38be212777a181c374f391ebecdaed23e1a6449219005228c8a4f3a7ca8. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ad6c38be212777a181c374f391ebecdaed23e1a6449219005228c8a4f3a7ca8
SHA3-384 hash: da307dfa32cb2a1921e423792a30c397b41655e9e5242bc28afc79b58aa3e6d3c695794906ce43d3e1993906d1c27085
SHA1 hash: 1e4dcd4f07c83f23ef1d365cb61062d877bf845b
MD5 hash: a3cca5119fb6fcbf4e064b562619aeb1
humanhash: cold-cola-shade-magnesium
File name:file
Download: download sample
Signature Formbook
Create hunting rule
File size:325'320 bytes
First seen:2023-06-06 13:48:04 UTC
Last seen:2023-06-06 14:34:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e9c0657252137ac61c1eeeba4c021000 (53 x GuLoader, 26 x RedLineStealer, 17 x AgentTesla)
ssdeep 6144:q6dIKbO+/bZcnbIKmp9HW+argxbYGedp2GJD3aXRoKyQePD:4aO+dcnb69ajdp9JDwCjL
Threatray 1'801 similar samples on MalwareBazaar
TLSH T1DC64D0522159BC13EC4D6EF2382BE9DDAC735E70067C567AEEE03A252770B4FA705141
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c0c4f47864647864 (4 x GuLoader, 3 x Loki, 3 x AgentTesla)
Reporter jstrosch
Tags:exe FormBook signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-29T02:34:09Z
Valid to:2026-05-28T02:34:09Z
Serial number: 1af5edcfabe162c436d01e2b7c2fe69bbf9894d1
Thumbprint Algorithm:SHA256
Thumbprint: 162d9066890c0f107f1f15c725be93b968d272e050e0a33026df61958f87c38d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
282
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-06 13:51:11 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/8ed03e6f-eb08-4dfa-b0c9-626dfcbaf758

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/396155/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.3381.21021.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/89631/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/647f394eea2d2f23b9e83b1a/reports/cd9599bd-7bdc-4de9-8d10-a816d9507f96/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/4ad6c38be212777a181c374f391ebecdaed23e1a6449219005228c8a4f3a7ca8
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/37ec9751-cb3c-48c5-b8ea-a200db9f401c
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1249595
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 882615 Sample: file.exe Startdate: 06/06/2023 Architecture: WINDOWS Score: 100 32 www.thetigersstory.africa 2->32 34 www.sidelpos.net 2->34 36 23 other IPs or domains 2->36 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 7 other signatures 2->60 11 file.exe 27 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 68 Tries to detect Any.run 11->68 15 file.exe 6 11->15         started        signatures6 process7 dnsIp8 44 107.172.148.208, 49948, 80 AS-COLOCROSSINGUS United States 15->44 46 Modifies the context of a thread in another process (thread injection) 15->46 48 Tries to detect Any.run 15->48 50 Maps a DLL or memory area into another process 15->50 52 2 other signatures 15->52 19 explorer.exe 6 1 15->19 injected signatures9 process10 dnsIp11 38 www.eeverestfuneral.com 185.53.179.170, 49969, 80 TEAMINTERNET-ASDE Germany 19->38 40 www.aiwazi.com 134.73.96.35, 49958, 80 LAYER-HOSTUS United States 19->40 42 11 other IPs or domains 19->42 62 System process connects to network (likely due to code injection or exploit) 19->62 23 cmstp.exe 12 19->23         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 23->64 66 Maps a DLL or memory area into another process 23->66 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ad6c38be212777a181c374f391ebecdaed23e1a6449219005228c8a4f3a7ca8/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2023-06-06 12:05:44 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jllmhc7ccj3xuga4g5htshv6zwxnepq2mresdeafekgiutz2psua._file
Verdict:
malicious
Label(s):
formbook
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cloudeye
Create hunting rule
Similar samples:
33e3b47eae5dd2c0931b64dab1fa56868276ee8cadf3cda23e4310e7e640703f
Formbook
43440434172d5730884fa5f0ae4f7ae73c4815e74618d18bc405d18dd325fed4
Formbook
4a85949b7ffe19e22e4191b55b225cb3ac8b59246785144f585006b94e9ba574
Formbook
4cdfd3ac195a3194d4a4ad72a3d3aeab0009f8b8bcdd73f7664ebeafd0023bae
Formbook
85259a321d6b1d54bae58397546222f0cf4584467240f0cbcdb7445577b66510
Formbook
85b572a6060bf6d434ab978aa1447096c11f84bcd329d71364de8daf261a4660
Formbook
9048c7507764dd285566e7bcdd0db1a5ca6554fc08739e9af182d4cc0a18e201
Formbook
96c283a9edad7bf16f772d34c7b137d5403be1dbc96589f7d57d71a0fd89c02f
Formbook
a31f2c90d1b4546cc56693c44f07e4f161d52fecf99c4b1ddc2b2674e49f51fd
Formbook
f242e8c01b19e9d76e94575ad13bae62c64395566090f12f796bdc8656b13df4
Formbook
+ 1'791 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:v16r rat spyware stealer trojan
Link:
https://tria.ge/reports/230606-q4nmrsee4x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7
MD5 hash:
0063d48afe5a0cdc02833145667b6641
SHA1 hash:
e7eb614805d183ecb1127c62decb1a6be1b4f7a8
Link:
https://www.unpac.me/results/02f8be16-1e98-4eb0-80e2-bd2fb6f1b9a9/
Parent samples :
5312214b15330113f6eab71565e1e3c7d1ee3b59daa6703c271aaf3b192e6809
02fca6ef5d9d8b1eb29f7ac8ea0573b504ea7f06c215e091791653b40fe1329a
cc53accc69b32c2507210ea70d1d56aa84dbe354a7f79577df180179ea797427
045a7318a9e2e550208c0c7e9fc805068df19fa73823ac3acaa049a46c4045ee
f2a883a0e4b01c72b0f063df3be5a0102e5c8fbaedc39c8d35c632b200599283
dffefbde27442b9095388b1871ffdc101c430b9a814138be4f962328a5b73fde
e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de
904f69a4bed3844273cce1676e8920794815af4c1527e560bbc1bc44b5b8457a
SH256 hash:
4ad6c38be212777a181c374f391ebecdaed23e1a6449219005228c8a4f3a7ca8
MD5 hash:
a3cca5119fb6fcbf4e064b562619aeb1
SHA1 hash:
1e4dcd4f07c83f23ef1d365cb61062d877bf845b
Link:
https://www.unpac.me/results/02f8be16-1e98-4eb0-80e2-bd2fb6f1b9a9/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4ad6c38be212/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/4ad6c38be212777a181c374f391ebecdaed23e1a6449219005228c8a4f3a7ca8

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:Ins_NSIS_Buer_Nov_2020_1
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Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Web download

Formbook

Executable exe 4ad6c38be212777a181c374f391ebecdaed23e1a6449219005228c8a4f3a7ca8

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2645524/
Cape
Cape
https://www.capesandbox.com/analysis/396155/

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