MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33f0d367ae282d4c9b9a6acbfefd3e86999eb84fc65c43d99f1de1b95c1f80af. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33f0d367ae282d4c9b9a6acbfefd3e86999eb84fc65c43d99f1de1b95c1f80af
SHA3-384 hash: a7a6c0d4b1df4a4b33000655436390b10ce96c35b1b8148315af863770a93176f002db5497d0107f607be8e1bbe169c9
SHA1 hash: ec7508e625a8931cc7e6bcd23c0cea75da2eb34c
MD5 hash: 735cd96bccfa228b401ee3db419e1473
humanhash: mockingbird-bulldog-virginia-queen
File name:Kqwsiusfvsjwcpravogqzczccqnuhlqyoo_Signed_.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:865'400 bytes
First seen:2021-05-17 12:00:19 UTC
Last seen:2021-05-17 13:07:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c370007feb59a9e362766ed804d79e8 (1 x RemcosRAT, 1 x Formbook, 1 x Loki)
ssdeep 12288:OBNJLlBayXSMBvsDcB253YYhH0/ZL4P9Yp0Chmyo6nIF:OB/O7Mxs4ife09YW6
Threatray 5'210 similar samples on MalwareBazaar
TLSH 90058DE2A2E04477E16F09788D2FA6709825BD122EA854B567F93D085F353D13E3B18F
Reporter James_inthe_box
Tags:exe FormBook signed

Code Signing Certificate

Organisation:Invincea, Inc.
Issuer:DigiCert High Assurance Code Signing CA-1
Algorithm:sha1WithRSAEncryption
Valid from:2018-01-05T00:00:00Z
Valid to:2019-12-31T12:00:00Z
Serial number: 0be3f393d1ef0272aed0e2319c1b5dd0
Intelligence: 19 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: b88acbbee18f369f37cef087fabc3473805bf9fa75f591070a1c1c779d35741b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Kqwsiusfvsjwcpravogqzczccqnuhlqyoo_Signed_.exe
Verdict:
Malicious activity
Analysis date:
2021-05-17 12:06:16 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/fed4f58c-2fb0-4093-9562-04d9d71ac7a9

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/157843/
Detection(s):
PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Mal.Generic-S.2100.5915.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/783461
Signature
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
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
Sigma detected: Execution from Suspicious Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 415857 Sample: Kqwsiusfvsjwcpravogqzczccqn... Startdate: 17/05/2021 Architecture: WINDOWS Score: 100 39 www.latromi.com 2->39 41 clientconfig.passport.net 2->41 43 2 other IPs or domains 2->43 77 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 5 other signatures 2->83 10 Kqwsiusfvsjwcpravogqzczccqnuhlqyoo_Signed_.exe 1 19 2->10         started        signatures3 process4 dnsIp5 63 wqzt6g.dm.files.1drv.com 10->63 65 onedrive.live.com 10->65 67 dm-files.fe.1drv.com 10->67 37 C:\Users\Public\Kqwsiu\Kqwsiu.exe, PE32 10->37 dropped 103 Writes to foreign memory regions 10->103 105 Creates a thread in another existing process (thread injection) 10->105 107 Injects a PE file into a foreign processes 10->107 15 mobsync.exe 10->15         started        file6 signatures7 process8 signatures9 109 Modifies the context of a thread in another process (thread injection) 15->109 111 Maps a DLL or memory area into another process 15->111 113 Sample uses process hollowing technique 15->113 115 2 other signatures 15->115 18 explorer.exe 15->18 injected process10 dnsIp11 45 www.earthhoodpal.com 91.195.240.94, 49755, 80 SEDO-ASDE Germany 18->45 47 shops.myshopify.com 23.227.38.74, 49757, 80 CLOUDFLARENETUS Canada 18->47 49 9 other IPs or domains 18->49 85 System process connects to network (likely due to code injection or exploit) 18->85 22 Kqwsiu.exe 16 18->22         started        26 Kqwsiu.exe 16 18->26         started        28 cscript.exe 18->28         started        30 wscript.exe 18->30         started        signatures12 process13 dnsIp14 51 wqzt6g.dm.files.1drv.com 22->51 53 onedrive.live.com 22->53 55 dm-files.fe.1drv.com 22->55 87 Multi AV Scanner detection for dropped file 22->87 89 Machine Learning detection for dropped file 22->89 91 Writes to foreign memory regions 22->91 32 logagent.exe 22->32         started        57 wqzt6g.dm.files.1drv.com 26->57 59 onedrive.live.com 26->59 61 dm-files.fe.1drv.com 26->61 93 Creates a thread in another existing process (thread injection) 26->93 95 Injects a PE file into a foreign processes 26->95 35 logagent.exe 26->35         started        97 Modifies the context of a thread in another process (thread injection) 28->97 99 Maps a DLL or memory area into another process 28->99 101 Tries to detect virtualization through RDTSC time measurements 28->101 signatures15 process16 signatures17 69 Modifies the context of a thread in another process (thread injection) 32->69 71 Maps a DLL or memory area into another process 32->71 73 Sample uses process hollowing technique 32->73 75 Tries to detect virtualization through RDTSC time measurements 32->75
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/33f0d367ae282d4c9b9a6acbfefd3e86999eb84fc65c43d99f1de1b95c1f80af/
Threat name:
Win32.Exploit.BypassUac
Create hunting rule
Status:
Malicious
First seen:
2021-05-17 09:29:41 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gpyngz5ofawuzg42nlf757j6q2mz5ocpyzoehwm7dxq3sxa7qcxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
48d7ee8524b6c594ee30967ffa0b0c651ff0ea54162aa142e13fcd9c9a577125
Formbook
8d0c96f1776267d62dff665af9687e0a5bb0fa35d9bd151c8871114d797020f1
Formbook
8d77ac5e45a0f443b317f1a717dffd55e98319508cc05080ea006b5fcc93c78a
Formbook
9e189d8d48a66d2f53c972275642da7cbc8ad51b20f04cf1d592bef360db50cf
Formbook
aace20e28e61cb328da74ff938231b1ce9a07498d477efe3efc5c5d3d04b9dc1
Formbook
ab6a4abae4d494b05d58dcf9a354231d3c7ae78fec4a62fc1f5559febdc3995c
Formbook
d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482
Formbook
de3c81ef7e59a386f6572d4c095739d45493d90b03c348748200012ec165372f
Formbook
e5ff1fccc213b922956415d980bbbf9318b17834761d629b23448ab14868812e
Formbook
edff9b174a171438f2433112957718f27abe1a825bfb7694362270d362c78911
Formbook
+ 5'200 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader persistence rat
Link:
https://tria.ge/reports/210517-pxj4ygkpls/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.clinics.life/qku9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Gamarue
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/33f0d367ae282d4c9b9a6acbfefd3e86999eb84fc65c43d99f1de1b95c1f80af

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_KB_CERT_0be3f393d1ef0272aed0e2319c1b5dd0
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_DLAgent07
Create hunting rule
Author:ditekSHen
Description:Detects delf downloader agent
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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/157843/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-17 13:08:38 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.025] Anti-Behavioral Analysis::Software Breakpoints
1) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
2) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
3) [B0012.001] Anti-Static Analysis::Argument Obfuscation
4) [F0002.001] Collection::Application Hook
5) [F0002.002] Collection::Polling
7) [C0026.002] Data Micro-objective::XOR::Encode Data
9) [C0051] File System Micro-objective::Read File
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0007] Memory Micro-objective::Allocate Memory
13) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
16) [C0038] Process Micro-objective::Create Thread
17) [C0041] Process Micro-objective::Set Thread Local Storage Value
18) [C0018] Process Micro-objective::Terminate Process