MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8799705da04769918565f1cdbd7087dc50988a3cd60f8dd5e4b81f1b4addacec. 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: 8799705da04769918565f1cdbd7087dc50988a3cd60f8dd5e4b81f1b4addacec
SHA3-384 hash: 87ec95a41eff02dcce37a797894b700938da0d9315cd17d10ce5e7606e9b7e016c37c65b9db9643252388a905c2355de
SHA1 hash: 19dd74eba194b14bec1492dc88bb284742c957d1
MD5 hash: 783fbb1ab1f324e489d8998f95624f70
humanhash: connecticut-florida-zulu-mobile
File name:e-dekont.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:279'076 bytes
First seen:2023-08-17 18:25:36 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:/Ya6542kGViQKdmGibCXAt3OmmGjGEDo+vQl5:/YT4aVi/gYeOmzjtoB
Threatray 3'743 similar samples on MalwareBazaar
TLSH T19C5413093254D4B7FCBA45B2B9B5923A8FECE91614AD330F5350C76DBD9522AC80E7C2
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 abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
e-dekont.exe
Verdict:
Malicious activity
Analysis date:
2023-08-17 18:50:46 UTC
Tags:
formbook stealer spyware
Link:
https://app.any.run/tasks/382c2e2d-2450-449a-a171-4c0ea25fd8f3

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/443322/
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
Restart of the analyzed sample
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/103069/overview
Behaviour
MalwareBazaar
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8799705da04769918565f1cdbd7087dc50988a3cd60f8dd5e4b81f1b4addacec
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/5d03494b-fdea-4c0c-9c94-5d7dc06433f8
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1293066
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
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
Uses netstat to query active network connections and open ports
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1293066 Sample: e-dekont.exe Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 33 zionsystem.live 2->33 35 www.zionsystem.live 2->35 37 7 other IPs or domains 2->37 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 8 other signatures 2->51 11 e-dekont.exe 18 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\qnnviwz.dll, PE32 11->31 dropped 63 Detected unpacking (changes PE section rights) 11->63 65 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 11->65 67 Maps a DLL or memory area into another process 11->67 69 Tries to detect virtualization through RDTSC time measurements 11->69 15 e-dekont.exe 11->15         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 18 explorer.exe 10 7 15->18 injected process9 dnsIp10 39 www.crstersite.com 172.105.119.100, 49712, 80 LINODE-APLinodeLLCUS United States 18->39 41 zionsystem.live 154.56.63.159, 49710, 80 COGENT-174US United States 18->41 43 4 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 55 Uses netstat to query active network connections and open ports 18->55 22 NETSTAT.EXE 18->22         started        25 autochk.exe 18->25         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8799705da04769918565f1cdbd7087dc50988a3cd60f8dd5e4b81f1b4addacec/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-17 15:05:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6mxaxnai5uzdblf6hg324eh3rijrcr42yhy3vpexaprwsw5vtwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
19b7dd8cf8e16f966af27f7b3e03dd581b22c1553840f1c4d256c790bc86b1ed
Formbook
3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
Formbook
63d353bf92bb9d4fa31656308d30a39b91b8dd4005d6254502b1e829b74ae79a
Formbook
719b031a6eb4fb932f4ddc541bcd119995ea7273f77c9bbe663273401d157513
Formbook
7b58d27c182cc3c04d6d5b2c1901f0e8dd8caf1bbe51c8b17f40b8dac185b712
Formbook
9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5
Formbook
ae617e932d45d1288f1ef5ecd2b72b2da822d8167142d041b08f61defb59daf3
Formbook
bc692450679bd50a88731eadd17d16cdab40a7f15bf632b24984f075bd99bb0c
Formbook
f3b8435e7359411cefb4d6c762550f4881195a2ec0cb035da5737c4b4891fb6f
Formbook
+ 3'733 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:k13s rat spyware stealer trojan
Link:
https://tria.ge/reports/230817-w27whsca79/
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 SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
cc543138ae76206d82fd90707023f485040a731fc13e4a8e030acb15f3df78ee
MD5 hash:
975a156309f1024ad24af3b2e3392246
SHA1 hash:
db4f210498cd76a70342fbc7260e084a02e393e1
Link:
https://www.unpac.me/results/f9f44790-8f35-4c55-b55c-938e885fbd78/
SH256 hash:
8799705da04769918565f1cdbd7087dc50988a3cd60f8dd5e4b81f1b4addacec
MD5 hash:
783fbb1ab1f324e489d8998f95624f70
SHA1 hash:
19dd74eba194b14bec1492dc88bb284742c957d1
Link:
https://www.unpac.me/results/f9f44790-8f35-4c55-b55c-938e885fbd78/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8799705da047/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/8799705da04769918565f1cdbd7087dc50988a3cd60f8dd5e4b81f1b4addacec

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 8799705da04769918565f1cdbd7087dc50988a3cd60f8dd5e4b81f1b4addacec

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/443322/

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