MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99b54219da920dc9a7898dd16a54ac08ab4d6e4f286a89d33ec19eef2fc8f02. 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



Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash: b99b54219da920dc9a7898dd16a54ac08ab4d6e4f286a89d33ec19eef2fc8f02
SHA3-384 hash: fa1b15f6f7531c73ede1f6c75a62d192d2d3956468787bb4b1dfeb283b69a3ad4ced17718142600389073b6a04f4196b
SHA1 hash: a2a940e7622660b4abccde8c773b10b524b9b72f
MD5 hash: 498c0eaa777cecbfcd1c457c019ac99d
humanhash: november-north-fourteen-papa
File name:wr.php
Download: download sample
File size:27'042 bytes
First seen:2026-07-25 01:17:54 UTC
Last seen:2026-07-25 05:32:47 UTC
File type: sh
MIME type:text/x-shellscript
ssdeep 768:c8vCB+25j6es8RtOn9FYpMSUpi+20qUpi+20YQX:c8l25JsBd2QX
TLSH T127C27D956A867C44BDC98A3E4CBE2B1D6DF5C3D1324942AC3D8B3C719C11FACD618B1A
TrID 70.0% (.SH) Linux/UNIX shell script (7000/1)
30.0% (.) Unix-like shebang (var.3) (gen) (3000/1)
Magika shell
Reporter abuse_ch
Tags:sh
URLMalware sample (SHA256 hash)SignatureTags
http://160.119.69.4/z/post/noroot.phpn/an/aelf ua-wget

Intelligence


File Origin
# of uploads :
2
# of downloads :
79
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive masquerade
Verdict:
Malicious
File Type:
unix shell
First seen:
2026-07-25T00:14:00Z UTC
Last seen:
2026-07-25T01:00:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=887941bc-1600-0000-5482-86cc320c0000 pid=3122 /usr/bin/sudo guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127 /tmp/sample.bin guuid=887941bc-1600-0000-5482-86cc320c0000 pid=3122->guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127 execve guuid=cbe0fdbe-1600-0000-5482-86cc390c0000 pid=3129 /usr/bin/bash guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=cbe0fdbe-1600-0000-5482-86cc390c0000 pid=3129 clone guuid=5bbc27bf-1600-0000-5482-86cc3a0c0000 pid=3130 /usr/bin/base64 guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=5bbc27bf-1600-0000-5482-86cc3a0c0000 pid=3130 execve guuid=803253bf-1600-0000-5482-86cc3c0c0000 pid=3132 /usr/bin/bash guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=803253bf-1600-0000-5482-86cc3c0c0000 pid=3132 clone guuid=c9157fc0-1600-0000-5482-86cc3d0c0000 pid=3133 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=c9157fc0-1600-0000-5482-86cc3d0c0000 pid=3133 execve guuid=91aa17c1-1600-0000-5482-86cc3f0c0000 pid=3135 /usr/bin/mkdir guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=91aa17c1-1600-0000-5482-86cc3f0c0000 pid=3135 execve guuid=7894b3c1-1600-0000-5482-86cc400c0000 pid=3136 /usr/bin/mkdir guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=7894b3c1-1600-0000-5482-86cc400c0000 pid=3136 execve guuid=b3db17c2-1600-0000-5482-86cc420c0000 pid=3138 /usr/bin/mkdir guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=b3db17c2-1600-0000-5482-86cc420c0000 pid=3138 execve guuid=9bf06cc2-1600-0000-5482-86cc440c0000 pid=3140 /usr/bin/mkdir guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=9bf06cc2-1600-0000-5482-86cc440c0000 pid=3140 execve guuid=a4d0bec2-1600-0000-5482-86cc460c0000 pid=3142 /usr/bin/mkdir guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=a4d0bec2-1600-0000-5482-86cc460c0000 pid=3142 execve guuid=5d5a0cc3-1600-0000-5482-86cc480c0000 pid=3144 /usr/bin/mkdir guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=5d5a0cc3-1600-0000-5482-86cc480c0000 pid=3144 execve guuid=5e255bc3-1600-0000-5482-86cc4a0c0000 pid=3146 /usr/bin/mkdir guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=5e255bc3-1600-0000-5482-86cc4a0c0000 pid=3146 execve guuid=8b6ba9c3-1600-0000-5482-86cc4c0c0000 pid=3148 /usr/bin/mkdir guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=8b6ba9c3-1600-0000-5482-86cc4c0c0000 pid=3148 execve guuid=473d12c4-1600-0000-5482-86cc4d0c0000 pid=3149 /usr/bin/mkdir guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=473d12c4-1600-0000-5482-86cc4d0c0000 pid=3149 execve guuid=66388ac4-1600-0000-5482-86cc4e0c0000 pid=3150 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=66388ac4-1600-0000-5482-86cc4e0c0000 pid=3150 execve guuid=f9c102c5-1600-0000-5482-86cc4f0c0000 pid=3151 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=f9c102c5-1600-0000-5482-86cc4f0c0000 pid=3151 execve guuid=3e1ccec5-1600-0000-5482-86cc500c0000 pid=3152 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=3e1ccec5-1600-0000-5482-86cc500c0000 pid=3152 execve guuid=9abc71c6-1600-0000-5482-86cc510c0000 pid=3153 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=9abc71c6-1600-0000-5482-86cc510c0000 pid=3153 execve guuid=8ccb0ac7-1600-0000-5482-86cc520c0000 pid=3154 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=8ccb0ac7-1600-0000-5482-86cc520c0000 pid=3154 execve guuid=3e849bc7-1600-0000-5482-86cc530c0000 pid=3155 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=3e849bc7-1600-0000-5482-86cc530c0000 pid=3155 execve guuid=0dfa24c8-1600-0000-5482-86cc540c0000 pid=3156 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=0dfa24c8-1600-0000-5482-86cc540c0000 pid=3156 execve guuid=07feafc8-1600-0000-5482-86cc550c0000 pid=3157 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=07feafc8-1600-0000-5482-86cc550c0000 pid=3157 execve guuid=996a17c9-1600-0000-5482-86cc560c0000 pid=3158 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=996a17c9-1600-0000-5482-86cc560c0000 pid=3158 execve guuid=310babc9-1600-0000-5482-86cc570c0000 pid=3159 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=310babc9-1600-0000-5482-86cc570c0000 pid=3159 execve guuid=080d29ca-1600-0000-5482-86cc580c0000 pid=3160 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=080d29ca-1600-0000-5482-86cc580c0000 pid=3160 execve guuid=1227a4ca-1600-0000-5482-86cc5a0c0000 pid=3162 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=1227a4ca-1600-0000-5482-86cc5a0c0000 pid=3162 execve guuid=bef824cb-1600-0000-5482-86cc5b0c0000 pid=3163 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=bef824cb-1600-0000-5482-86cc5b0c0000 pid=3163 execve guuid=4367a5cb-1600-0000-5482-86cc5c0c0000 pid=3164 /usr/bin/cp guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=4367a5cb-1600-0000-5482-86cc5c0c0000 pid=3164 execve guuid=d75619cc-1600-0000-5482-86cc5d0c0000 pid=3165 /usr/bin/touch guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=d75619cc-1600-0000-5482-86cc5d0c0000 pid=3165 execve guuid=7e425ccc-1600-0000-5482-86cc5f0c0000 pid=3167 /usr/bin/chmod guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=7e425ccc-1600-0000-5482-86cc5f0c0000 pid=3167 execve guuid=79aa99cc-1600-0000-5482-86cc610c0000 pid=3169 /usr/bin/chmod guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=79aa99cc-1600-0000-5482-86cc610c0000 pid=3169 execve guuid=6ce8dfcc-1600-0000-5482-86cc630c0000 pid=3171 /usr/bin/chattr guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=6ce8dfcc-1600-0000-5482-86cc630c0000 pid=3171 execve guuid=132650cd-1600-0000-5482-86cc660c0000 pid=3174 /usr/bin/chattr guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=132650cd-1600-0000-5482-86cc660c0000 pid=3174 execve guuid=c50197cd-1600-0000-5482-86cc680c0000 pid=3176 /usr/bin/chattr guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=c50197cd-1600-0000-5482-86cc680c0000 pid=3176 execve guuid=b3a1e4cd-1600-0000-5482-86cc6a0c0000 pid=3178 /usr/bin/chattr guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=b3a1e4cd-1600-0000-5482-86cc6a0c0000 pid=3178 execve guuid=bafe2ece-1600-0000-5482-86cc6c0c0000 pid=3180 /usr/bin/chattr guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=bafe2ece-1600-0000-5482-86cc6c0c0000 pid=3180 execve guuid=42ba69ce-1600-0000-5482-86cc6e0c0000 pid=3182 /usr/bin/chattr guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=42ba69ce-1600-0000-5482-86cc6e0c0000 pid=3182 execve guuid=6cb4a6ce-1600-0000-5482-86cc700c0000 pid=3184 /usr/bin/chattr guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=6cb4a6ce-1600-0000-5482-86cc700c0000 pid=3184 execve guuid=8f6be1ce-1600-0000-5482-86cc720c0000 pid=3186 /usr/bin/chattr guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=8f6be1ce-1600-0000-5482-86cc720c0000 pid=3186 execve guuid=00391bcf-1600-0000-5482-86cc740c0000 pid=3188 /usr/bin/bash guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=00391bcf-1600-0000-5482-86cc740c0000 pid=3188 clone guuid=58e122cf-1600-0000-5482-86cc750c0000 pid=3189 /usr/bin/bash guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=58e122cf-1600-0000-5482-86cc750c0000 pid=3189 clone guuid=90db39cf-1600-0000-5482-86cc770c0000 pid=3191 /usr/bin/curl net send-data guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=90db39cf-1600-0000-5482-86cc770c0000 pid=3191 execve guuid=dfd13dcf-1600-0000-5482-86cc780c0000 pid=3192 /usr/bin/dash guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=dfd13dcf-1600-0000-5482-86cc780c0000 pid=3192 execve guuid=b65c49d8-1600-0000-5482-86cc920c0000 pid=3218 /usr/bin/bash guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=b65c49d8-1600-0000-5482-86cc920c0000 pid=3218 clone guuid=2fb854d8-1600-0000-5482-86cc930c0000 pid=3219 /usr/bin/base64 guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=2fb854d8-1600-0000-5482-86cc930c0000 pid=3219 execve guuid=e2265cd8-1600-0000-5482-86cc940c0000 pid=3220 /usr/bin/tee write-file guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=e2265cd8-1600-0000-5482-86cc940c0000 pid=3220 execve guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221 /usr/bin/bash guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221 execve guuid=3d8742df-1600-0000-5482-86ccb20c0000 pid=3250 /usr/bin/bash guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=3d8742df-1600-0000-5482-86ccb20c0000 pid=3250 execve guuid=12021de0-1600-0000-5482-86ccb60c0000 pid=3254 /usr/bin/rm delete-file guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=12021de0-1600-0000-5482-86ccb60c0000 pid=3254 execve guuid=0d915fe0-1600-0000-5482-86ccb80c0000 pid=3256 /usr/bin/rm guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=0d915fe0-1600-0000-5482-86ccb80c0000 pid=3256 execve guuid=94bd9ce0-1600-0000-5482-86ccba0c0000 pid=3258 /usr/bin/curl net send-data guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=94bd9ce0-1600-0000-5482-86ccba0c0000 pid=3258 execve guuid=99d6a2e0-1600-0000-5482-86ccbb0c0000 pid=3259 /usr/bin/dash guuid=af9e1ebe-1600-0000-5482-86cc370c0000 pid=3127->guuid=99d6a2e0-1600-0000-5482-86ccbb0c0000 pid=3259 execve 124ee36c-bdbd-5d46-bbb1-b2cd81367f04 160.119.69.4:80 guuid=90db39cf-1600-0000-5482-86cc770c0000 pid=3191->124ee36c-bdbd-5d46-bbb1-b2cd81367f04 send: 93B guuid=68e540d9-1600-0000-5482-86cc980c0000 pid=3224 /usr/bin/bash guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=68e540d9-1600-0000-5482-86cc980c0000 pid=3224 clone guuid=aca749d9-1600-0000-5482-86cc990c0000 pid=3225 /usr/bin/bash guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=aca749d9-1600-0000-5482-86cc990c0000 pid=3225 clone guuid=2da269d9-1600-0000-5482-86cc9a0c0000 pid=3226 /usr/bin/ls guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=2da269d9-1600-0000-5482-86cc9a0c0000 pid=3226 execve guuid=320518da-1600-0000-5482-86cc9d0c0000 pid=3229 /usr/bin/cat guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=320518da-1600-0000-5482-86cc9d0c0000 pid=3229 execve guuid=1f316dda-1600-0000-5482-86cc9f0c0000 pid=3231 /usr/bin/ls guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=1f316dda-1600-0000-5482-86cc9f0c0000 pid=3231 execve guuid=bb34ebda-1600-0000-5482-86cca10c0000 pid=3233 /usr/bin/mkdir guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=bb34ebda-1600-0000-5482-86cca10c0000 pid=3233 execve guuid=401f5edb-1600-0000-5482-86cca20c0000 pid=3234 /usr/bin/mv guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=401f5edb-1600-0000-5482-86cca20c0000 pid=3234 execve guuid=fc0adddb-1600-0000-5482-86cca40c0000 pid=3236 /usr/bin/bash guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=fc0adddb-1600-0000-5482-86cca40c0000 pid=3236 clone guuid=9f48e7db-1600-0000-5482-86cca50c0000 pid=3237 /usr/bin/base64 write-file guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=9f48e7db-1600-0000-5482-86cca50c0000 pid=3237 execve guuid=3f3953dc-1600-0000-5482-86cca60c0000 pid=3238 /usr/bin/rm delete-file guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=3f3953dc-1600-0000-5482-86cca60c0000 pid=3238 execve guuid=bf37afdc-1600-0000-5482-86cca70c0000 pid=3239 /usr/bin/mv guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=bf37afdc-1600-0000-5482-86cca70c0000 pid=3239 execve guuid=a28531dd-1600-0000-5482-86cca80c0000 pid=3240 /usr/bin/ls guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=a28531dd-1600-0000-5482-86cca80c0000 pid=3240 execve guuid=eb1fa3dd-1600-0000-5482-86cca90c0000 pid=3241 /usr/bin/bash guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=eb1fa3dd-1600-0000-5482-86cca90c0000 pid=3241 clone guuid=7f22abdd-1600-0000-5482-86ccaa0c0000 pid=3242 /usr/bin/base64 write-file guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=7f22abdd-1600-0000-5482-86ccaa0c0000 pid=3242 execve guuid=7525f8dd-1600-0000-5482-86ccac0c0000 pid=3244 /usr/bin/ls guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=7525f8dd-1600-0000-5482-86ccac0c0000 pid=3244 execve guuid=e97b9ede-1600-0000-5482-86ccae0c0000 pid=3246 /usr/bin/cat guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=e97b9ede-1600-0000-5482-86ccae0c0000 pid=3246 execve guuid=c64bdbde-1600-0000-5482-86ccaf0c0000 pid=3247 /usr/bin/ls guuid=f1faebd8-1600-0000-5482-86cc950c0000 pid=3221->guuid=c64bdbde-1600-0000-5482-86ccaf0c0000 pid=3247 execve guuid=94bd9ce0-1600-0000-5482-86ccba0c0000 pid=3258->124ee36c-bdbd-5d46-bbb1-b2cd81367f04 send: 93B
Threat name:
Linux.Backdoor.WebShell
Status:
Malicious
First seen:
2026-07-25 01:18:46 UTC
File Type:
Text (Shell)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery linux
Behaviour
Reads runtime system information
Writes file to tmp directory
Deobfuscate/Decode Files or Information
Checks CPU configuration
File and Directory Permissions Modification
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:SUSP_LNX_Base64_Exec_Apr24
Author:Christian Burkard
Description:Detects suspicious base64 encoded shell commands (as seen in Palo Alto CVE-2024-3400 exploitation)
Reference:Internal Research

File information


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

Web download

sh b99b54219da920dc9a7898dd16a54ac08ab4d6e4f286a89d33ec19eef2fc8f02

(this sample)

  
Delivery method
Distributed via web download

Comments