MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a4334476109d2ef5b95fbc6156e284a4c7340ffad00def833b23a3488884ded. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: 2a4334476109d2ef5b95fbc6156e284a4c7340ffad00def833b23a3488884ded
SHA3-384 hash: 9bf0e6dd020e9ff2e223efef07b9f0d29cbe15f1a63e991d9c737da9dedf84ba2dfaddeca5f195ea766e98eb26879763
SHA1 hash: b661c99c7be71d18887b15beeefdcff09668c044
MD5 hash: 5e8a88b1e3036663c592a47cfb49e4f2
humanhash: freddie-vegan-asparagus-dakota
File name:2a4334476109d2ef5b95fbc6156e284a4c7340ffad00def833b23a3488884ded
Download: download sample
Signature Formbook
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File size:554'496 bytes
First seen:2022-11-08 14:58:38 UTC
Last seen:2022-11-08 16:45:46 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:Hh77EyLu38MVW9xT242nEBWlgz7FD+PCHuw:NEyLuMvxQnEzFDHF
TLSH T190C423A0F519F773CFDF63B4844DCA65B77A0E953AF14099D1806D8898B2F09220B9F6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f4f4ac8cacacd4d4 (85 x Heodo, 11 x Formbook, 10 x SnakeKeylogger)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2a4334476109d2ef5b95fbc6156e284a4c7340ffad00def833b23a3488884ded
Verdict:
Malicious activity
Analysis date:
2022-11-08 15:01:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/045ceed7-382e-453b-b028-89f9a7b3a48b

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/330615/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.738.32182.28676.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/636a6eb65a33779d69cea4f7/reports/07fe8fbf-b516-478d-b029-1a3dfcb60e5c/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/2057183f-e5d0-43f9-b377-f33fd249a3b8
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1108304
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
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
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 740967 Sample: qysso06fKA.exe Startdate: 08/11/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 7 other signatures 2->44 10 qysso06fKA.exe 4 2->10         started        process3 file4 34 C:\Users\user\AppData\...\qysso06fKA.exe.log, CSV 10->34 dropped 50 Adds a directory exclusion to Windows Defender 10->50 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 qysso06fKA.exe 10->14         started        17 powershell.exe 21 10->17         started        19 qysso06fKA.exe 10->19         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        process8 dnsIp9 36 www.coldprobe.repair 103.224.182.239, 49720, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 21->36 46 System process connects to network (likely due to code injection or exploit) 21->46 48 Uses netstat to query active network connections and open ports 21->48 27 NETSTAT.EXE 21->27         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 27->56 58 Maps a DLL or memory area into another process 27->58 60 Tries to detect virtualization through RDTSC time measurements 27->60 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2a4334476109d2ef5b95fbc6156e284a4c7340ffad00def833b23a3488884ded/
Threat name:
ByteCode-MSIL.Trojan.REMLoader
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Status:
Malicious
First seen:
2022-10-28 03:33:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fjbtir3bbhjo6w4v7pdbk3rijjghgqh7vuan56btwi5djceijxwq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:pf20 rat spyware stealer trojan
Link:
https://tria.ge/reports/221108-scrlfsefdk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
f38b041ae11863ab3146102075a85714bfd0a3a174eafd52ae12bf72230afd77
MD5 hash:
45954f99b4c66ac25ad840aec7f9dc49
SHA1 hash:
72d25564d93588cf1958728885d2bbcdcad8837f
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/18b9e732-c298-4086-b897-7c66843ba7a4/
Parent samples :
438b38456b5033c20fef9d9da2a1882779b592fba20468242314a14c01c3d27d
4e987a8c97b129afe9669bafd9539a77406580545914336b1e37dacbea5bd738
69c32e09bd27aaea6ed0b0b448e6332f18e67daa0ad5d7cbc74718f9b1236cf5
40616665c8e28905ea7bf8726ba31150b48038f68681de80681f6b644d3e0189
2a4334476109d2ef5b95fbc6156e284a4c7340ffad00def833b23a3488884ded
SH256 hash:
248a7c4997aacb14ca032daf9668636839f921d0a3403f09a3b0ccfdc948cbf1
MD5 hash:
a7952169b04a2c6a39661aad59e79dcf
SHA1 hash:
88722f1a32c913307c0c6385b04478a79fabd12b
Link:
https://www.unpac.me/results/18b9e732-c298-4086-b897-7c66843ba7a4/
SH256 hash:
aadcdf29011619cc3079dd0ad47569ac195489afa814ae75e2c4642aa903b40c
MD5 hash:
c2b3d820c1eeec6b74a9e6bcce092a53
SHA1 hash:
65c6c18b049e07944c913affa7db7b60a3d12bcb
Link:
https://www.unpac.me/results/18b9e732-c298-4086-b897-7c66843ba7a4/
SH256 hash:
562aeb002814cf762bb201fcd412a6798a5df7b3b4bf748ae38784e5b7ed662b
MD5 hash:
0271b8ed326fecf0f41a2b11a03d64e4
SHA1 hash:
636e8414783b20f14804d9344b4b976971470927
Link:
https://www.unpac.me/results/18b9e732-c298-4086-b897-7c66843ba7a4/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/18b9e732-c298-4086-b897-7c66843ba7a4/
SH256 hash:
2a4334476109d2ef5b95fbc6156e284a4c7340ffad00def833b23a3488884ded
MD5 hash:
5e8a88b1e3036663c592a47cfb49e4f2
SHA1 hash:
b661c99c7be71d18887b15beeefdcff09668c044
Link:
https://www.unpac.me/results/18b9e732-c298-4086-b897-7c66843ba7a4/
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Cape
Cape
https://www.capesandbox.com/analysis/330615/

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