MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 161ce90a5dbcb52a305aec3d3372c4a35880a7626d0b4e4c927558d4ebae010a. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 161ce90a5dbcb52a305aec3d3372c4a35880a7626d0b4e4c927558d4ebae010a
SHA3-384 hash: b10c7971e9963e5d41bd1e63d2d7723c462b49a9a2d6d40c78c3e9150ee2f530587902703e4c2ff2a73b3bbd2b1217f5
SHA1 hash: de521e9109ca36e53f702c1f57648f9b13fb96ac
MD5 hash: 98aab50a7231a73505e968658a8775a4
humanhash: nebraska-nitrogen-lima-charlie
File name:98aab50a7231a73505e968658a8775a4.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'195'520 bytes
First seen:2021-06-03 09:48:56 UTC
Last seen:2021-06-03 10:57:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:456tY7bFOBJrQOEF5jQ4AcCPnNk1f0m4IjVloN8KNHnKDjBTp/Ji:+qnNk68o3NH6jhZw
Threatray 5'613 similar samples on MalwareBazaar
TLSH 80456CF4B798D960D02DC731C6604CF993F13CFA5A96A90C1AE4BACD1E13F86CB59981
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
98aab50a7231a73505e968658a8775a4.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-03 09:53:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d84f486a-3d55-4763-ba5b-c90379d59884

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/164337/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/796562
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 428958 Sample: bbZdhGxjJW.exe Startdate: 03/06/2021 Architecture: WINDOWS Score: 100 29 www.thriveglucose.com 2->29 31 www.pyithuhluttaw.net 2->31 33 thriveglucose.com 2->33 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 5 other signatures 2->55 10 bbZdhGxjJW.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\bbZdhGxjJW.exe.log, ASCII 10->27 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 59 Injects a PE file into a foreign processes 10->59 14 bbZdhGxjJW.exe 10->14         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 chkdsk.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Tries to detect virtualization through RDTSC time measurements 17->45 23 cmd.exe 1 17->23         started        35 www.xzklrhy.com 156.255.140.216, 49734, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 20->35 37 www.pyithuhluttaw.net 103.91.67.83, 80 GIGABIT-MYGigabitHostingSdnBhdMY Malaysia 20->37 39 5 other IPs or domains 20->39 47 System process connects to network (likely due to code injection or exploit) 20->47 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/161ce90a5dbcb52a305aec3d3372c4a35880a7626d0b4e4c927558d4ebae010a/
Threat name:
Win32.PUA.Wacapew
Create hunting rule
Status:
Malicious
First seen:
2021-06-03 09:49:13 UTC
AV detection:
5 of 46 (10.87%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cyooscs5xs2sumc25q6tg4weunmibj3cnufu4tesovmnj25oaefa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
196b6069472a478c158cae56200e7d627d7e6b32ab1f361a36b75234bbf998de
Formbook
4da679e366dc987277f7850f71d5343e7c9b8cff4b2df89dd2f335f512de62c1
Formbook
4effc832d17d1b4d00e5b98bda9954f7c2684795db2451d4c2f056c84a0eff18
Formbook
719604b516f11740266b2c7a8a61129f779caf4c1f9e16bac35d39f5792a009b
Formbook
780555ffbda34b2fe63790a38a7c3e4df0b437d17c22fe7c886fcd2ee72684d0
Formbook
7fba034b2f0aa5f549bda067c80b6494a02ea3d96e70e13701845bcfe7ade5e7
Formbook
e1339c4548f73e4f250fed46d56bbce84491ca122aed7527731bb8d72df83e11
Formbook
e9a4a4d52dd0fa4d9536ef486a5a9e2213ca76c0edeb7be6a118e9c65571d37a
Formbook
ed3c05490acf13c73275dd274676ee540f42ba1634befb93b6beb1188e42f804
Formbook
f3a5f73b6bef3d25071f3e2fb2f3c6402683d2770539e5b046bdc7b485ce3c0b
Formbook
+ 5'603 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210603-c5xcmz978e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.adultpeace.com/p2io/
Unpacked files
SH256 hash:
1e7c66f6da06a0ea81371fb98d0e76424a600518b808140279c7ba8e06541ac5
MD5 hash:
8fe0389e4b903545421e42b628186cd2
SHA1 hash:
f6adc3d1a4ac995fad2a49474243d896b0236c2b
Link:
https://www.unpac.me/results/60545c93-761d-4c24-b828-23dde19fd36c/
SH256 hash:
161ce90a5dbcb52a305aec3d3372c4a35880a7626d0b4e4c927558d4ebae010a
MD5 hash:
98aab50a7231a73505e968658a8775a4
SHA1 hash:
de521e9109ca36e53f702c1f57648f9b13fb96ac
Link:
https://www.unpac.me/results/60545c93-761d-4c24-b828-23dde19fd36c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/161ce90a5dbcb52a305aec3d3372c4a35880a7626d0b4e4c927558d4ebae010a

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: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.

Web download

Formbook

Executable exe 161ce90a5dbcb52a305aec3d3372c4a35880a7626d0b4e4c927558d4ebae010a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1315705/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1313494/
  
URLhaus
https://urlhaus.abuse.ch/url/1310550/
  
URLhaus
https://urlhaus.abuse.ch/url/1311267/
  
URLhaus
https://urlhaus.abuse.ch/url/1314753/
Cape
Cape
https://www.capesandbox.com/analysis/164337/

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