MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89c3fdd1450aafeff3bd6b899110bae95ecd733bca81e41b8cfc4e3d236ae27a. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1
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SHA256 hash: 89c3fdd1450aafeff3bd6b899110bae95ecd733bca81e41b8cfc4e3d236ae27a
SHA3-384 hash: 940fe75e8188c36ef18317a5a8b277f1c679fdeacc3cf087e23bcefb69cf9496ca93b480d7f229e9ca01a8ef395853ec
SHA1 hash: 640cf2774017cf67c2860b6e656ecd6f188c9991
MD5 hash: c9a1a35c1efcff830e4ff797e706e081
humanhash: jersey-low-kansas-spring
File name:c9a1a35c1efcff830e4ff797e706e081
Download: download sample
Signature Formbook
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File size:672'256 bytes
First seen:2022-06-03 19:16:50 UTC
Last seen:2022-06-03 19:32:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:yjXDhCixpLZnWtplIuUEL7kTRaDg4aA1YEULovUey3Ms2304Zf+vj7FkKwtsyl6j:X4pLZnmlIuUEL7Uo5WEVOMb04+vj7FRO
TLSH T1E8E402017AAA8E13C17A56F284F1842443F5A957B232E2CF2FD650C91F56BE18DC9F4B
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
995
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c9a1a35c1efcff830e4ff797e706e081
Verdict:
Malicious activity
Analysis date:
2022-06-03 19:21:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/57d8756c-8723-47df-9f2d-60effd56a45e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/276580/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.50373693.4245.19030.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe wacatac
Link:
https://www.filescan.io/uploads/629a5e6bb5fe347d25505b20/reports/5cdbdd2e-3a7d-4b38-a697-ec73be17a470/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/93257cd6-c17d-4fad-9c0d-8de7724f0f02
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1006517
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
Snort IDS alert for network traffic
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: 639013 Sample: KAevjvEAhC Startdate: 03/06/2022 Architecture: WINDOWS Score: 100 31 www.ruibaosh.com 2->31 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 8 other signatures 2->45 11 KAevjvEAhC.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\KAevjvEAhC.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 KAevjvEAhC.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.shinesc.com 18->33 35 www.holsterswim.com 18->35 37 4 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 mstsc.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd or bat file 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/89c3fdd1450aafeff3bd6b899110bae95ecd733bca81e41b8cfc4e3d236ae27a/
Threat name:
Win32.Trojan.Woreflint
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Status:
Malicious
First seen:
2022-06-03 07:17:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rhb73ukfbkx67455noezcef25fpm24z3zka6ig4m7rhd2i3k4j5a._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:g3ws loader rat
Link:
https://tria.ge/reports/220603-xzcg9sdab5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/bfe0a917-cd07-446b-a414-94720e2c7bd7/
SH256 hash:
aa521600d14b1decf171837e8756d0aa2023dff1ec5f8842eabe6c76d38fa97e
MD5 hash:
4974f337f091695b56cc5f279cf2f6eb
SHA1 hash:
40523b9027c321d9a041adf3d98be5953accb0f6
Link:
https://www.unpac.me/results/bfe0a917-cd07-446b-a414-94720e2c7bd7/
SH256 hash:
7a36f8303b63b140d1d2932b2688bf9e7d46d4647c42777fe3ce0a28b29a7e89
MD5 hash:
efdb93e66c47d40f767ad745c27b7ead
SHA1 hash:
b28f18c683927085e71b0882b7f70b797c16c659
Link:
https://www.unpac.me/results/bfe0a917-cd07-446b-a414-94720e2c7bd7/
SH256 hash:
db8f380d3d24dd4e8c5c451e8443d7f5d68caac27953dfe26c95814b81fc8953
MD5 hash:
b08edc2be7f48c000761f574faee9936
SHA1 hash:
e0f5e4f2120bf4164ebf7226005c3cfa33c20fd5
Link:
https://www.unpac.me/results/bfe0a917-cd07-446b-a414-94720e2c7bd7/
SH256 hash:
38b4296828a6f2f91717d2567e356c03d7aae314bf298c64b9ec72aae7a3ccbb
MD5 hash:
986d70ac4683c8ef5cee6f689caed9f3
SHA1 hash:
253f9edf646f2704ff1f42b83ae7d5dcbce80029
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/bfe0a917-cd07-446b-a414-94720e2c7bd7/
Parent samples :
89c3fdd1450aafeff3bd6b899110bae95ecd733bca81e41b8cfc4e3d236ae27a
54959487d80d695894f408175af28cef3993a495f67c9e5ad98d30a355110cfe
47a44b509ebc93c5b3820bac745ffe7271a77a986f3c937baf9dae7a2b0e6a79
SH256 hash:
89c3fdd1450aafeff3bd6b899110bae95ecd733bca81e41b8cfc4e3d236ae27a
MD5 hash:
c9a1a35c1efcff830e4ff797e706e081
SHA1 hash:
640cf2774017cf67c2860b6e656ecd6f188c9991
Link:
https://www.unpac.me/results/bfe0a917-cd07-446b-a414-94720e2c7bd7/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/89c3fdd1450a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/89c3fdd1450aafeff3bd6b899110bae95ecd733bca81e41b8cfc4e3d236ae27a

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
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Rule name:Skystars_Malware_Imphash
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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 89c3fdd1450aafeff3bd6b899110bae95ecd733bca81e41b8cfc4e3d236ae27a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2223645/
Cape
Cape
https://www.capesandbox.com/analysis/276580/

Comments


Avatar
zbet commented on 2022-06-03 19:16:57 UTC

url : hxxp://217.146.82.207/220/vbc.exe