MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f5b62c0c6d23e944096823822e7752bc4d1601607d248384346e301e92ea9c1. 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


BitRAT


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f5b62c0c6d23e944096823822e7752bc4d1601607d248384346e301e92ea9c1
SHA3-384 hash: 22417e0b1bec691f3f96d9eedbdeacff345d1a93642e3489fe034e748572d9c4987801c28edda7334935b74befb2c797
SHA1 hash: fec238ff7a0ad878e570a2c633d7068fdcc95d9a
MD5 hash: 5e7ac0203de8d7d8ee36c791ec0f66f4
humanhash: arizona-winter-single-fix
File name:Puzknwxsmpxmleeipxcvtqlncqoqgielcx.exe
Download: download sample
Signature BitRAT
Create hunting rule
File size:864'768 bytes
First seen:2021-09-09 19:55:52 UTC
Last seen:2021-09-10 05:10:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6da2e3f69203d2c4b15426c5555b3c99 (2 x RemcosRAT, 1 x NetWire, 1 x BitRAT)
ssdeep 12288:FJ07BGWcovyyY29t38Nhrsf2xSKc+FQnuUOpukpxkMCDZL:DyVcovY29tsPrsuzc+FQuUAukpxkJ
Threatray 551 similar samples on MalwareBazaar
TLSH T14B056D9D960B0822E5761935FA169B94E626FD4039B8CD4113F5EDC72E72F8034BE23B
dhash icon ba7a6a6afa9a9ae4 (2 x RemcosRAT, 1 x NetWire, 1 x BitRAT)
Reporter GovCERT_CH
Tags:BitRAT exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Puzknwxsmpxmleeipxcvtqlncqoqgielcx.exe
Verdict:
Malicious activity
Analysis date:
2021-09-09 19:58:31 UTC
Tags:
installer
Link:
https://app.any.run/tasks/593a1812-223f-4f8a-b53e-a02a436fc986

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/186736/
Detection(s):
PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Sending a UDP request
Setting a global event handler
Connection attempt to an infection source
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ed42eb9a-531d-42bd-a169-d7ecef416b59
Result
Threat name:
BitRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/848416
Signature
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Writes to foreign memory regions
Yara detected BitRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 480847 Sample: Puzknwxsmpxmleeipxcvtqlncqo... Startdate: 09/09/2021 Architecture: WINDOWS Score: 76 44 u876134.nvpn.to 2->44 54 Found malware configuration 2->54 56 Yara detected BitRAT 2->56 58 C2 URLs / IPs found in malware configuration 2->58 9 Puzknwxsmpxmleeipxcvtqlncqoqgielcx.exe 1 22 2->9         started        14 Puzknwx.exe 13 2->14         started        16 Puzknwx.exe 14 2->16         started        signatures3 process4 dnsIp5 50 cdn.discordapp.com 162.159.129.233, 443, 49735, 49736 CLOUDFLARENETUS United States 9->50 42 C:\Users\Public\Libraries\...\Puzknwx.exe, PE32 9->42 dropped 62 Writes to foreign memory regions 9->62 64 Creates a thread in another existing process (thread injection) 9->64 66 Injects a PE file into a foreign processes 9->66 18 secinit.exe 1 9->18         started        22 cmd.exe 1 9->22         started        24 cmd.exe 1 9->24         started        52 162.159.133.233, 443, 49743, 49747 CLOUDFLARENETUS United States 14->52 26 ieinstal.exe 14->26         started        28 mobsync.exe 16->28         started        file6 signatures7 process8 dnsIp9 46 u876134.nvpn.to 194.5.98.145, 2405, 49744, 49746 DANILENKODE Netherlands 18->46 48 192.168.2.1 unknown unknown 18->48 60 Hides threads from debuggers 18->60 30 reg.exe 1 22->30         started        32 conhost.exe 22->32         started        34 cmd.exe 1 24->34         started        36 conhost.exe 24->36         started        signatures10 process11 process12 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f5b62c0c6d23e944096823822e7752bc4d1601607d248384346e301e92ea9c1/
Threat name:
Win32.Trojan.BitRAT
Create hunting rule
Status:
Malicious
First seen:
2021-09-09 18:45:35 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
15 of 45 (33.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5nwfqgg2i7jiqewqi4cfz3vfpcncyawa7jeqocdi3rqd2jovhaq._file
Verdict:
malicious
Similar samples:
0d903cb51d86a47ea9baa01286e9a7d0c325f6412bc0e5cd48a4ba95c84e6d49
BitRAT
0fe89951109e6ef6331f9c96ee018493fdfc88e063a8a42e0ec369c9514c95d6
BitRAT
174d091dcf5a5b2c4af35b5df2e4094ddf31bc589208f7b79ff5fc0db2dde514
BitRAT
5de91041d903239cec4eb91f5ca0905beffc2fe8e768ba47fb1e7d40d72cbfe5
BitRAT
8143a5d0347139eadfdd5d38ceaf661057603f9245c70116f31b85fb07de02aa
BitRAT
b0a0d1d399e98e48cae6a87c280339bc1b0d1c22f84ae589e0c3dca78e76d108
BitRAT
+ 541 additional samples on MalwareBazaar
Result
Malware family:
bitrat
Create hunting rule
Score:
  10/10
Tags:
family:bitrat persistence trojan upx
Link:
https://tria.ge/reports/210909-ynn8csbhaq/
Behaviour
Modifies registry key
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
UPX packed file
BitRAT
BitRAT Payload
Unpacked files
SH256 hash:
cd4b225505e84218ef7418c8e5f41acbb67c51bd43e9ddcfa25341259377d3df
MD5 hash:
b7816cb3535b2f2675804d3052295003
SHA1 hash:
db4588853aa1ec16b1f2d29b1e873a653a1ecb13
Link:
https://www.unpac.me/results/e5fce2a3-21bb-4690-8338-4d313e85a19c/
SH256 hash:
4f5b62c0c6d23e944096823822e7752bc4d1601607d248384346e301e92ea9c1
MD5 hash:
5e7ac0203de8d7d8ee36c791ec0f66f4
SHA1 hash:
fec238ff7a0ad878e570a2c633d7068fdcc95d9a
Link:
https://www.unpac.me/results/e5fce2a3-21bb-4690-8338-4d313e85a19c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/4f5b62c0c6d23e944096823822e7752bc4d1601607d248384346e301e92ea9c1

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:MALWARE_Win_BitRAT
Create hunting rule
Author:ditekSHen
Description:Detects BitRAT RAT

File information

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

Malspam

BitRAT

Executable exe 4f5b62c0c6d23e944096823822e7752bc4d1601607d248384346e301e92ea9c1

(this sample)

  
Dropped by
BitRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/186736/

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