MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9
SHA3-384 hash: e7ade0ea1ea33d3c6e7a1eb9075c34a907690f6dfcf0f7911f33a38bfc7266b6af62a915456b8b99821fb7050c70bf6d
SHA1 hash: b82a91e97e1c0a23b993db56f9f6049a96580b34
MD5 hash: 7f453b503f828a474ca684b065498d01
humanhash: jersey-purple-lion-princess
File name:E-dekont.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:293'312 bytes
First seen:2023-03-27 05:28:27 UTC
Last seen:2023-03-30 09:13:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:hT5Uzm0s9s3LWwHCZwX+A6UXqc0LrWK5OcraEUq2YWPOjJlaq8+:hT55Ns3LNi+uAz6c0LrWSaxHmX8+
Threatray 514 similar samples on MalwareBazaar
TLSH T192541281A562C53BE4B31B700F2B53456F36EE25B668C6074381AAE97DD1F028C1E77B
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ff (3).exe
Verdict:
Malicious activity
Analysis date:
2023-03-22 17:50:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/41c44678-7b70-4b07-9d51-44f4af27b245

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/377733/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Creating a file
Creating a file in the %AppData% directory
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75129/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo guloader overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/642129b19c109cf74b2ffd83/reports/ddb4d7d8-af19-45bb-8ac3-c3254e24380b/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9
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/5744b02d-2304-408b-805a-e412747d32b9
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1202434
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
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)
Uses netstat to query active network connections and open ports
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 835339 Sample: E-dekont.exe Startdate: 27/03/2023 Architecture: WINDOWS Score: 100 34 www.www-1911.com 2->34 36 www.ourcampaign2024.net 2->36 38 29 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 E-dekont.exe 6 59 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 72 Tries to detect Any.run 11->72 15 E-dekont.exe 6 11->15         started        signatures6 process7 dnsIp8 46 34.138.169.8, 49796, 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 4 1 15->19 injected signatures9 process10 dnsIp11 40 homespreadmechanics.com 43.230.202.96, 49812, 80 WOWUS India 19->40 42 liverightseniorcareinc.com 208.93.159.61, 80 TECHPRO-01US United States 19->42 44 10 other IPs or domains 19->44 64 System process connects to network (likely due to code injection or exploit) 19->64 66 Uses netstat to query active network connections and open ports 19->66 23 NETSTAT.EXE 12 19->23         started        signatures12 process13 signatures14 68 Modifies the context of a thread in another process (thread injection) 23->68 70 Maps a DLL or memory area into another process 23->70 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9/
Threat name:
Win32.Trojan.Krynis
Create hunting rule
Status:
Suspicious
First seen:
2023-03-22 09:31:00 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ptnz4d66hgwrk6g33ec2rdelmsjkmcbutqh62ddzq6pvucdbbduq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06243274174960778e1adac528d0c2641cf742fa2ba0759c9fe762f7a0692aff
Formbook
2a6ce3844cb0426fefb02d57bbb8eab576d0f089231c61aa1293cf0028d1db85
Formbook
4156f1bd9f23e8d19b26225f373b4d76e0088fcadb14b59fbe791d11127795e7
Formbook
6ec684964e715bd7b62ec19904871853f5be9bf40dcd835c230ced852f24cc34
Formbook
79e1fc85396ae65e8431f8ceb92fefb5ec396381840d830c415ea2d81cb78a49
Formbook
f65e518f76a18d65bdc59a8e942cb1ff660568440f3abe7b312be1de4b8330c8
Formbook
f6abe7db0c36a39bf0c72dd5361c5d16b6e99496f9317e017c521a15a82e17d6
Formbook
+ 504 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:be83 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/230327-f6lk3sbh53/
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/73767e74-49e1-41dd-92e7-c61050a8b698/
SH256 hash:
7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9
MD5 hash:
7f453b503f828a474ca684b065498d01
SHA1 hash:
b82a91e97e1c0a23b993db56f9f6049a96580b34
Link:
https://www.unpac.me/results/73767e74-49e1-41dd-92e7-c61050a8b698/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7cdb9e0fde39/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/7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9

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 7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/377733/

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