MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50b35f848446146fece2aef6b039a20230bad0040cdd39084675a466792cff52. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50b35f848446146fece2aef6b039a20230bad0040cdd39084675a466792cff52
SHA3-384 hash: 26680764655d3d91817fd8179ab5cebf9b04cee2d645c9d8bf1477ae38ce7ae3bdbdf03b24a5116e8279c578e7598a61
SHA1 hash: 3ada290a132e69fd88b5c9f8beac4ea2ee3655de
MD5 hash: 7fda0310485ec8de0a5bc10e1d027284
humanhash: maine-magazine-sad-arkansas
File name:QYqXYpTo9nLX2kX.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:567'808 bytes
First seen:2023-09-04 09:22:48 UTC
Last seen:2023-09-04 09:27:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:hw5d04ufAI2LK5Td3suvB+1rA5fgZQTDVlGF7u2GfGZyVgIRi:y5d+fAtm5p3sceAFgQhgF7ulGZaR
Threatray 2'917 similar samples on MalwareBazaar
TLSH T17FC42355A3A58E36EC969FF802F0CA1F077147A4B03DFB9A156D80D9095FF224662F83
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
263
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
QYqXYpTo9nLX2kX.exe
Verdict:
Malicious activity
Analysis date:
2023-09-04 09:23:23 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/effdcfaa-ab1b-4333-9e79-fa23e34a6198

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/446012/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.DownLoaderNET.710.32728.26982.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64f5a1f767511af1a1b4376e/reports/68b1dd09-68fb-4fa6-980d-1af6cef47fd2/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/50b35f848446146fece2aef6b039a20230bad0040cdd39084675a466792cff52
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/00ab533d-92c8-43f3-8623-a0c9943a3a4b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1302762
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1302762 Sample: QYqXYpTo9nLX2kX.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 7 other signatures 2->41 10 QYqXYpTo9nLX2kX.exe 3 2->10         started        process3 signatures4 49 Tries to detect virtualization through RDTSC time measurements 10->49 13 QYqXYpTo9nLX2kX.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 5 6 13->16 injected process7 dnsIp8 27 elperegrinocabo.com 50.87.141.117, 49736, 80 UNIFIEDLAYER-AS-1US United States 16->27 29 damactrade.net 45.141.152.18, 49747, 80 M247GB Romania 16->29 31 11 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 rundll32.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/50b35f848446146fece2aef6b039a20230bad0040cdd39084675a466792cff52/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-28 14:32:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kczv7beeiykg73hcv33laoncaiylvuaebtotsccgowsgm6jm75ja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03e156f16efbda2a891a6519a282ad085325d498695287ee92ad056f7d1c2422
Formbook
37ae2eea990aef5c0e85a2d5deed27fe59347f310129c5387992ed21790fa7fb
Formbook
4246ac35e29b03cf4057457231abf222b88bf64cd65b59d7dc79d35b1953372b
Formbook
59347c2464428bb947c2cf150653b66592ca52da2ca4c4c48441663b4e7120fe
Formbook
5976276fb72cd6fca6b74ef6480cdfb439a14b8c52ab9e442b0ee85c130a5f08
Formbook
647b53eee8836897331690f3f9767826434802cc5ce9144668c7c23c3c6beb36
Formbook
681b4fb5d374583fa961ba8ad171585c0ba9d2e346c5fbb6fce92392a10a2d16
Formbook
9d0a05a5f2cd9f4ab18c167ee94b33669992d74140a0d334e84eb1b2efd4e313
Formbook
e4b8b19c8c8fd39ae06ba2ec632970e7fe16f78ca1f91582461de5da1403a4ed
Formbook
fa278261af3ab337d468f32853cbf7dc6f13bb529684f45d92a2069ee21318b4
Formbook
+ 2'907 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oy30 rat spyware stealer trojan
Link:
https://tria.ge/reports/230904-lcf2dsfe69/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
ac8768f08b9495e7023b01546679be265510f5c2512d8bc2174d846eaeb379ab
MD5 hash:
4fafab18430d6a314b9e90797d939a72
SHA1 hash:
d3a649f6f6d72cf7416b325b6ff2f0f6aa1fd312
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/90a5bf2e-d637-4870-9df1-e638ea7937cc/
Parent samples :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 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/90a5bf2e-d637-4870-9df1-e638ea7937cc/
SH256 hash:
7d99c77f30c5314c81f1cc31d0d4bf482c8ab447d2fff00e2f21435a03c2567a
MD5 hash:
4aba5dc2409aa1d587e4b326c6599fd7
SHA1 hash:
b0cb160c3ac0035141e1bb562a49e8349e8c9436
Link:
https://www.unpac.me/results/90a5bf2e-d637-4870-9df1-e638ea7937cc/
SH256 hash:
ebaf28744bfa555219d56440db49703efd0e1757e3e219eef119725b4f0090d5
MD5 hash:
13574c506380e6ec0da25e442099b8e4
SHA1 hash:
9900c86a1bb5a605e34de9a4167aa3b93225ec33
Link:
https://www.unpac.me/results/90a5bf2e-d637-4870-9df1-e638ea7937cc/
SH256 hash:
50b35f848446146fece2aef6b039a20230bad0040cdd39084675a466792cff52
MD5 hash:
7fda0310485ec8de0a5bc10e1d027284
SHA1 hash:
3ada290a132e69fd88b5c9f8beac4ea2ee3655de
Link:
https://www.unpac.me/results/90a5bf2e-d637-4870-9df1-e638ea7937cc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/50b35f848446146fece2aef6b039a20230bad0040cdd39084675a466792cff52

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 50b35f848446146fece2aef6b039a20230bad0040cdd39084675a466792cff52

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/446012/

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