6c10266dd125f4d678f8e524621a59aedcc1c702dfccb0373ddc63fbee44b8f9

General

Target
reluxorv3.exe
Size 9.0MB
Sample260724-ae336azbjf
SHA256 6c10266dd125f4d678f8e524621a59aedcc1c702dfccb0373ddc63fbee44b8f9
MD5 0058f6d56b27198975fbd9414c4a5434
SHA1 e398c6fc4dcccf08e4dd916142716056c9ccc141
SHA512 89d66140b1f4d5a86314b4de6c6a4d56a5bafa88cd4157f7d0ee447d1e38b446df15e0ac4db5351eeeae3cc6f909265e348250f93f3f9e3b0f6d7682a8705ca6
SSDEEP 196608:CeZWmrsW4gXyvntTFqq8N3tzCMPWhcHsGXqYhpXFSFK7E:DZ3rktZq5XzzCcHsGXqm7SP
TLSH
T1CA96338892D014E7E8A7623C9AB3D166D2D0BD121722CDEF17D2573E3F7369148396E8
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

execution

Malware Config

Signatures

Loads dropped DLL 6 IoCs

pid	Process
4612	reluxorv3.exe
4612	reluxorv3.exe
4612	reluxorv3.exe
4612	reluxorv3.exe
4612	reluxorv3.exe
4612	reluxorv3.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3864	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4612	4316	reluxorv3.exe	90
PID 4612 wrote to memory of 3864	4612	reluxorv3.exe	91

C:\Users\Admin\AppData\Local\Temp\reluxorv3.exe
"C:\Users\Admin\AppData\Local\Temp\reluxorv3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Users\Admin\AppData\Local\Temp\reluxorv3.exe
  "C:\Users\Admin\AppData\Local\Temp\reluxorv3.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4612
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cls
    3⤵
    - Executes a command shell one-liner
    PID:3864

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

VCRUNTIME140.dll

Path C:\Users\Admin\AppData\Local\Temp\_MEI43162\VCRUNTIME140.dll
Size 117KB
SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
MD5 32da96115c9d783a0769312c0482a62d
SHA1 2ea840a5faa87a2fe8d7e5cb4367f2418077d66b
SHA512 616c78b4a24761d4640ae2377b873f7779322ef7bc26f8de7da0d880b227c577ed6f5ed794fc733468477b2fcdb7916def250e5dc63e79257616f99768419087
SSDEEP 1536:Z9TXF5YXWbj8qr51XlN+dULTCe1IGhKWyxLiyaXYaNxoecbdhUoaLjTz164zEd:ZEnsvReGsWyxLizXFkecbd1aPTzW
TLSH
T10DC38C8572A002FBD16AC274C1A36A17FB75B94487B0A7CF03B58A650F53BE09E3D356
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

_bz2.pyd

Path C:\Users\Admin\AppData\Local\Temp\_MEI43162\_bz2.pyd
Size 86KB
SHA256 ef5277eb670219274e7d1e92190ddf7f4bb94d4922ca1c1a12efadfd2c4c66f6
MD5 28cea50945ec6972c8ec096bf562fb9e
SHA1 52c0e93d37e30503351c7878f0e041f5a207b103
SHA512 28f46b34cb59ab5b8f3791138e3d05216c7eef2b38dce035180546b22b7f0c8fab9c1ec8a6a82b219de327d752cfc89ddc289996c2135273bd3106b7a5eceb19
SSDEEP 1536:kcCxPVz7WtNyDJo7it8PWRgT6vu9zJ4iaOkx99gV8G2RbNGWC4Ij3V6yYiS9HZfC:uxPVz7D/CaOkH9gallEWC4Ij3VHTJ
TLSH
T127838E82F364A3F6F59F90B4D6850793F730BB460750A36FB24482853F12F91AE69366
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

_lzma.pyd

Path C:\Users\Admin\AppData\Local\Temp\_MEI43162\_lzma.pyd
Size 157KB
SHA256 39e5bc3624a26c9f6ad2e2df412543b0bd697a1d75338b44fe99763358d6d8cb
MD5 1f2c927c6f1773093e6939e0f0075997
SHA1 36b5cccb9e64405fbf460b65a2da5b18241b7087
SHA512 eeaedf6685684699202dc7c48f2a70ea4c6ed41dbd7824607eee3b1e5e7b5b90e4c7f7efc808a5d0e54534135e450d9fb7602c00e0f213da80d8563b7909f0bd
SSDEEP 3072:sJ66g4T5QW7JfyjEqkSkA51b4oznfx9mNo/Updb4IjI10CS:sUR4Tp4QPZ8N4epYOKbvv
TLSH
T1DFF34C86B794F0E6F7228C78D2624F57E6F578190320939A01CC976D2B1FB759A2E313
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

_zstd.pyd

Path C:\Users\Admin\AppData\Local\Temp\_MEI43162\_zstd.pyd
Size 491KB
SHA256 54e6acfbc1cb27c9afea0e133cadac68b89869ff1a14eb0c678d40eb9c655347
MD5 256a79eff7505cc58fbf59d863c5c543
SHA1 343939f8652fc56fb338bf1ec4c4de3c697070fc
SHA512 993459b4b1f289be955940d6914873d190a9c3c8e646073e7603cd73fbd1d984d760f0e683ac11694b609de11a4084e6b9aa1cb755b1f63451255617f38e4605
SSDEEP 12288:JccWmYLKvveelCu30rz+Q2sTrWl939ruf:JccWJKvveelCu30rzc+f
TLSH
T1B1B48D43F29943EDE13BC4B8CF565A13FBB1780B1214965B9395CB993F07B309A6A309
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

base_library.zip

Path C:\Users\Admin\AppData\Local\Temp\_MEI43162\base_library.zip
Size 1.3MB
SHA256 c38e4774bb77c7f114df323af08b0e8763c8232394db74aca8921958439f74e0
MD5 746f6f345099c31906117ef159a54059
SHA1 84db97192eb993656c1faec90494208f692cee93
SHA512 ec3a6ef503eacd8594399ad8f276d012076b5ea2e1b8590189292a3e2ef70ff24c5c8a5d8d4b52d2023345b15db155d5c02aaedd81cb0b49afc7ca96ae428020
SSDEEP 24576:m3llbUdnFI0cULhQeOdP2m2dfxRp8uUFSz:m3YdaA/ZR+uUFs
TLSH
T180552AA1B9917867FEC9F37A35775A0CA715C0109B20D303B4A98DAC6FDF260AE158DC
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

python314.dll

Path C:\Users\Admin\AppData\Local\Temp\_MEI43162\python314.dll
Size 6.5MB
SHA256 18310593c50ad109fc5c95db1fd5c92ecec9e1bfc66c976df9fc11dd62616d5a
MD5 49232f3b18bf5e2c2bd8ae0c9ad99913
SHA1 7d69e9b82972a41e69d3558868229b8b004ce534
SHA512 72a98bfd6771d0136848f4ba3f639b81a4b6d48b6d820b1495167819e5ec86fe763029c3e8e1c74d68310e08ba1dab4a0a11b3cf6acd72912740144a1ad64af4
SSDEEP 98304:vnKFXcgNEs5c00S048PePvOh0evvlHDMiEiV9:vnKFXcgNw00S0487Ei/
TLSH
T13B668D26737501A5D9BB8035C9034687DBB1BC00AB30D34B49A47ADA3F733635BAEB95
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ucrtbase.dll

Path C:\Users\Admin\AppData\Local\Temp\_MEI43162\ucrtbase.dll
Size 1.3MB
SHA256 2e5fb14b7bf8540278f3614a12f0226e56a7cc9e64b81cbd976c6fcf2f71cbfb
MD5 286b308df8012a5dfc4276fb16dd9ccc
SHA1 8ae9df813b281c2bd7a81de1e4e9cef8934a9120
SHA512 24166cc1477cde129a9ab5b71075a6d935eb6eebcae9b39c0a106c5394ded31af3d93f6dea147120243f7790d0a0c625a690fd76177dddab2d2685105c3eb7b2
SSDEEP 24576:cQPuhXCFmugCw3wUAZMMNX6smpRrgTuJi+1Sats7F9qmxvSZX0ypKpIPng:cQWhXCFm7Cw3w3ZXX6DYaY9lpUg
TLSH
T1BE55AE2266AD01E9C5BFD13DC65B4906E9B2781503709ACB03E94E792E3BBF5077B321
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads