73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
302s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 20:27

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General

Target

batexe.exe
Size

9.4MB
MD5

cdc9eacffc6d2bf43153815043064427
SHA1

d05101f265f6ea87e18793ab0071f5c99edf363f
SHA256

73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72
SHA512

fc6945957e160bf7059c936c329aae438e6c1521e5e43a8434f58058230d89e818eb6ff80331a4b952dbb600b8cc134ecba54e5641bf549723c98f85e993fde6
SSDEEP

196608:ERAefrn9wcsTRAJgwusnWpV3h9XxSeEGaT+TKkGzySdUkI56kBIyky:E5Tn9YVwdnWLXxkvLlzkuv

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4308	b2e.exe
1812	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3972-5-0x0000000000400000-0x000000000393A000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 4308	3972	batexe.exe	74
PID 3972 wrote to memory of 4308	3972	batexe.exe	74
PID 3972 wrote to memory of 4308	3972	batexe.exe	74
PID 4308 wrote to memory of 228	4308	b2e.exe	77
PID 4308 wrote to memory of 228	4308	b2e.exe	77
PID 4308 wrote to memory of 228	4308	b2e.exe	77
PID 228 wrote to memory of 1812	228	cmd.exe	78
PID 228 wrote to memory of 1812	228	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Users\Admin\AppData\Local\Temp\ADE3.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\ADE3.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\ADE3.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\batexe.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4308
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B13F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:228
  - - C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
      cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.sea.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 3
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:1812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ADE3.tmp\b2e.exe

Filesize
3.6MB

MD5
2a58aa86deac2c99323c788735dd53af

SHA1
eeac6b8cceb22a47daa1590f4dbae8e3c7c27c92

SHA256
fbd061c4d55ef74a2b1fbefa8f244ffb9e63df4a7f16083d7a9920fee83a0305

SHA512
22598586f1fc5ef20ddc7f840402716a660917caa0f26628eb943928d458688f698e66094d3cf2cd6865baa1b32ba61d1e05103abfafe98e72d30668a6b7ec57

Download Submit
C:\Users\Admin\AppData\Local\Temp\ADE3.tmp\b2e.exe

Filesize
4.1MB

MD5
d2c419a721d788c886ebc0bada6a278f

SHA1
94d19fe33b785b89d1060ce3dc9ae4a228791210

SHA256
650228630db655f08faa08da1e0a36d140c2212db9c910251b7805de8e8c46bb

SHA512
59ee192be1b742861e60745fa7c44ea0a8ece045f6c7938ff8d83cc8d59d171a12d50fec02c3f98493bfe1a2006183e13b92063011e6e805379f31510f44eb0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\B13F.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.5MB

MD5
4ff74831f154773ce0f6437abfd0ba4f

SHA1
b9ac1e63975ff7494e0f0ffb5146be8ed86d6e2c

SHA256
df9b335bb9a475519b633674179aa216bf844b371df7b3c5823bae50d892e7ec

SHA512
b972dda46990ebe84c68988a927ce74d57c0d75ba297d5ef1f938cd10eb8135a74e0dd5f97e0eea7a8301e6376ca90cab6782a8c8f3c7ef4abfef1eb3a08a524

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
119KB

MD5
c3d2293341ec3c4aa3268dc6e527c8d6

SHA1
226a93ac6fe07558defd3735de28d73aa2210755

SHA256
dc917497ce4ef1716efe737110d28d9409eb841076d7b444aa34582f63138240

SHA512
fb3cc259caad25aacad7a6efd7e2630a812321b6655af62bb0f690e2f45018cb551bc693b8793e2bdd1ce60cb2fdc64de75974efac780b95dc937be73f359f8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
1.7MB

MD5
1e9f85c2f0775fad9062c4353b786616

SHA1
6022d9392d840ca887e54b25822fcdd33da85c71

SHA256
e12062782760feb5983ef38a672d759883368d4fa517e33401e76424651a5849

SHA512
7077d4277e97c174a49d4d5e94a42934dbbdcfc84ae568855d30af5df26f3d8834164a4bc2f8a776ccc6f9262fe100d6af22c9790caf39459057f58da2991e8b

Download Submit
\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

Download Submit
\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
1.4MB

MD5
6209d231684a8f2e5e435f52c37246d1

SHA1
b86fbebd13d623ebc5765543b2ef075f41e57c7c

SHA256
d63535da6cdab2c1a2fe1620c6a418ba16e60f52545f5719bb88e7313f63de9c

SHA512
9d4d2d39827ebd76373a3cb02ccdc6b70737b4842aa9e9949f3c411502feda78d8c60e0612261f2b0491c928f3807c5d43030fae8d7192f265cd42fa356c9f09

Download Submit
\Users\Admin\AppData\Local\Temp\libstdc++-6.dll

Filesize
1024KB

MD5
61f1013547dc4ad24f8c5338c41931c3

SHA1
4a9f72fe7e71046ecd3d5af6443f195a6051430b

SHA256
2a65749eaa95c5c90be12d11587a82432933aabd60e8854868bc7168a36150ee

SHA512
6604219c7e5d583e8cc6a1f407e9964ab39791026857d17c9de25d3a4a8bb0272d491c6c019643eeeee8a2bd3451f3e0b75298e043777d44b8f3a161582c9b40

Download Submit
\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1812-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1812-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1812-43-0x0000000074D20000-0x0000000074DB8000-memory.dmp

Filesize
608KB

Download
memory/1812-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/1812-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3972-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4308-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4308-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download