MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a24f59f2af8bc6f278f8ad8d8e9664687deef8ac0a387ea576a9d1e84837fc7. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a24f59f2af8bc6f278f8ad8d8e9664687deef8ac0a387ea576a9d1e84837fc7
SHA3-384 hash: f6576b569864b4c21e0ffbd3a3a6006adb9538a5029b480a14a5f262f9d7d8fc7abdb85188d532726cf6b5f3dff67f67
SHA1 hash: d790d2370fb485d5f659bb2d859239d662e61d97
MD5 hash: 9382db91f2e5799a51da843a33e3e2fa
humanhash: stream-venus-delta-alabama
File name:ekstre.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:330'402 bytes
First seen:2023-03-30 09:04:46 UTC
Last seen:2023-03-30 09:59:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:hT5UzmFsm1KpmjQb1xD/cNbnchml4qh25ehklF8gQpZGIEZyxguj/3Xh:hT55FFUb1xTcNbzl4qhWmklFEoZMgubh
TLSH T16E6413046790D1B7DDF327B34E729E99AEFA4A320020964B33906F7D77964419E0F786
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ekstre.exe
Verdict:
Malicious activity
Analysis date:
2023-03-30 09:05:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cdc9c840-4fd3-4852-9796-fcf19b9e414d

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/378773/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.20670.14861.9173.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Сreating synchronization primitives
Creating a file
Creating a file in the %AppData% directory
Delayed reading of the file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75744/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo guloader overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/642550c0ddbbdc2cea101d3c/reports/15aa4670-a8d3-4e4f-82a8-80a37b4a9097/overview
Verdict:
Malicious
Labled as:
Downloader/GuLoader
Link:
https://www.hybrid-analysis.com/sample/9a24f59f2af8bc6f278f8ad8d8e9664687deef8ac0a387ea576a9d1e84837fc7
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/7ae32634-1b78-4629-a35a-434afc8c582f
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1205105
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Performs DNS queries to domains with low reputation
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
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 838028 Sample: ekstre.exe Startdate: 30/03/2023 Architecture: WINDOWS Score: 100 34 www.tmcgroup.africa 2->34 36 www.realdigitalmarketing.co.uk 2->36 38 23 other IPs or domains 2->38 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 7 other signatures 2->62 11 ekstre.exe 6 60 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 32 C:\...\api-ms-win-core-console-l1-2-0.dll, PE32+ 11->32 dropped 70 Tries to detect Any.run 11->70 15 ekstre.exe 6 11->15         started        signatures6 process7 dnsIp8 46 34.138.169.8, 49790, 80 ATGS-MMD-ASUS United States 15->46 48 Modifies the context of a thread in another process (thread injection) 15->48 50 Tries to detect Any.run 15->50 52 Maps a DLL or memory area into another process 15->52 54 2 other signatures 15->54 19 explorer.exe 6 1 15->19 injected signatures9 process10 dnsIp11 40 www.credit-cards-54889.com 185.53.179.91, 49813, 80 TEAMINTERNET-ASDE Germany 19->40 42 num6.17986.net 67.21.93.229, 49829, 80 ST-BGPUS United States 19->42 44 11 other IPs or domains 19->44 64 System process connects to network (likely due to code injection or exploit) 19->64 23 control.exe 19->23         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 23->66 68 Maps a DLL or memory area into another process 23->68 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a24f59f2af8bc6f278f8ad8d8e9664687deef8ac0a387ea576a9d1e84837fc7/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-03-30 09:05:07 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tisplhzk7c6g6j4prlmnr2lgi2d5534kycryp2sxnkor5bedp7dq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mi94 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/230330-k16raadd2z/
Behaviour
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
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c
MD5 hash:
d968cb2b98b83c03a9f02dd9b8df97dc
SHA1 hash:
d784c9b7a92dce58a5038beb62a48ff509e166a0
Link:
https://www.unpac.me/results/ea408189-e559-4e36-a397-7b883eac0313/
SH256 hash:
9a24f59f2af8bc6f278f8ad8d8e9664687deef8ac0a387ea576a9d1e84837fc7
MD5 hash:
9382db91f2e5799a51da843a33e3e2fa
SHA1 hash:
d790d2370fb485d5f659bb2d859239d662e61d97
Link:
https://www.unpac.me/results/ea408189-e559-4e36-a397-7b883eac0313/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9a24f59f2af8/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/9a24f59f2af8bc6f278f8ad8d8e9664687deef8ac0a387ea576a9d1e84837fc7

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/378773/

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