MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae617e932d45d1288f1ef5ecd2b72b2da822d8167142d041b08f61defb59daf3. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ae617e932d45d1288f1ef5ecd2b72b2da822d8167142d041b08f61defb59daf3
SHA3-384 hash: 5c15c5434563be959a03863623a375f61e746ecdb4e7ffbb7057b0f37f43165c0f5cd2d6df731b6878d0ba82f6a2db2d
SHA1 hash: 322990c1a2c7b269169acf8238ec2710f756c984
MD5 hash: 13804e924b84b833164bd4d5807f660f
humanhash: princess-venus-undress-asparagus
File name:EKSTRE 06.08.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:259'465 bytes
First seen:2023-06-09 06:35:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6R7d9kr3AMSfRQqZsBATEMTBW06yGvBx+zUJ:vYDQ3pSf2ATXmNvH+zW
TLSH T1BD441254BB95C4D7E9E34330293DAB711EFA982600E28B1BA3006F0EF976652DD1E357
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 :
1
# of downloads :
246
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
EKSTRE 06.08.exe
Verdict:
Malicious activity
Analysis date:
2023-06-09 06:38:06 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/77fbec97-86df-4674-9780-7c32a6a02573

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/397109/
Detection(s):
Sanesecurity.Malware.28947.BadP.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/90063/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6482c85339ba775c46e0ae7c/reports/ebf95f76-0807-41f2-ba0c-bbd790022930/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ae617e932d45d1288f1ef5ecd2b72b2da822d8167142d041b08f61defb59daf3
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/0c0c7bbb-c279-43d7-ae93-6027449b73f4
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1251671
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 884691 Sample: EKSTRE_06.08.exe Startdate: 09/06/2023 Architecture: WINDOWS Score: 100 31 www.workerbeez.africa 2->31 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 EKSTRE_06.08.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\jimyvqtke.dll, PE32 11->29 dropped 55 Detected unpacking (changes PE section rights) 11->55 57 Maps a DLL or memory area into another process 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 EKSTRE_06.08.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 1 1 15->18 injected process9 dnsIp10 33 www.fashion-clothing-40094.com 185.53.179.93, 49683, 80 TEAMINTERNET-ASDE Germany 18->33 35 www.gudusisamfbank.africa 18->35 37 www.garentaileonlinearac.net 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 msdt.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:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ae617e932d45d1288f1ef5ecd2b72b2da822d8167142d041b08f61defb59daf3/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-06-08 14:21:03 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vzqx5eznixisrdy66xwnfnzlfwucfwawofbnaqnqr5q5562z3lzq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a04y rat spyware stealer trojan
Link:
https://tria.ge/reports/230609-hcw6tsbb48/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
a0b2da2358107d7a1faedd72a2c80db63527150e09165ee3161164d750a821f7
MD5 hash:
c776b741b86b091c7607f277ebdd19a9
SHA1 hash:
8e5abc3baf02a651fe87d3429e9d2ac46ebf56b4
Link:
https://www.unpac.me/results/95c8d52b-31c4-412c-8d2e-9d00ffcca881/
SH256 hash:
ae617e932d45d1288f1ef5ecd2b72b2da822d8167142d041b08f61defb59daf3
MD5 hash:
13804e924b84b833164bd4d5807f660f
SHA1 hash:
322990c1a2c7b269169acf8238ec2710f756c984
Link:
https://www.unpac.me/results/95c8d52b-31c4-412c-8d2e-9d00ffcca881/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ae617e932d45/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/ae617e932d45d1288f1ef5ecd2b72b2da822d8167142d041b08f61defb59daf3

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.

Malspam

Formbook

Executable exe ae617e932d45d1288f1ef5ecd2b72b2da822d8167142d041b08f61defb59daf3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/397109/

Comments