73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
304s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24-02-2024 03:15

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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
2244	b2e.exe
3520	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3520	cpuminer-sse2.exe
3520	cpuminer-sse2.exe
3520	cpuminer-sse2.exe
3520	cpuminer-sse2.exe
3520	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4884-5-0x0000000000400000-0x000000000393A000-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 4884 wrote to memory of 2244	4884	batexe.exe	74
PID 4884 wrote to memory of 2244	4884	batexe.exe	74
PID 4884 wrote to memory of 2244	4884	batexe.exe	74
PID 2244 wrote to memory of 4740	2244	b2e.exe	75
PID 2244 wrote to memory of 4740	2244	b2e.exe	75
PID 2244 wrote to memory of 4740	2244	b2e.exe	75
PID 4740 wrote to memory of 3520	4740	cmd.exe	78
PID 4740 wrote to memory of 3520	4740	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:4884
- C:\Users\Admin\AppData\Local\Temp\366.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\366.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\366.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:2244
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7AC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4740
  - - 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:3520

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\366.tmp\b2e.exe

Filesize
1.4MB

MD5
fe4bc2bb4397eea601e0fa6c45cc20c6

SHA1
35477fc0a38f9db357a70f9b0573537fca582a9b

SHA256
8852fb3a8294753e6b088d458547feaf54685068ed6bc0dece93f608ab44afa7

SHA512
3759f54232069d2efba631954ff86bbf5ef58a616e4e0109c9ad5fcd632ee97ddf169ebddbe58237dbee36951c8d2e176312abe4e142f636398bff8fc2973bbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\366.tmp\b2e.exe

Filesize
866KB

MD5
d6d934d398a00d01fbd99f81189526a4

SHA1
e575f67874fd1e7583583b03db08dc6d1ff57964

SHA256
697e6c19c97cc9ff91f1eab30aecf24204fbd57a457487fb98c3c30fee1ee05a

SHA512
6696f9084e779341a2c674cd36defe1cd4d59b403d4f3a0e04665dc8bb7f980f2fcf7ec43e5d1ad9f28f494d54166841488c8905a46646c241056fc139e236ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\7AC.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
2.0MB

MD5
c3d8cd8f8528fd7e6fd62c51fd1d9058

SHA1
94047a6308f2e3bc22aaf74d5ba5b15c438757a4

SHA256
80d1ee1f1ad59a18ea733f1cb2aca8ddce62d4104d4e9346be90055b9b95cf22

SHA512
fea1e9c4ccc27b987bed71bc85988574ca7b41cbd96468ce7f62fabc96b75d4a3d34d27615e598578047b959c9b233736786c5e3cfeeffb162de991709e751cf

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

Filesize
2.3MB

MD5
4c04147c386ba8792ac6a03069572a8a

SHA1
dda67789fc1d0f2469ca95f01a5c81034853ca6a

SHA256
c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

SHA512
a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

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

Filesize
2.0MB

MD5
5ec13eb34ed392073583d50ec51c0481

SHA1
c2d38393af5af9d1e14e12b0fcfe73b48127f217

SHA256
12070a49b3ee218e79e06af3f38c3d9c47559962369d1fab4181f55dc3315ae1

SHA512
0d7b4d683edd9dbe864b3a064f8cb6985b1bffe9ff2faf376d9e2b307ffae20b44ac0814dd1289323da73e262c39ed9d64bdf085a6e698a2605fa6b8d8963bf5

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

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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
2.2MB

MD5
5cb25295334cb63e6b4d195522898229

SHA1
8fc99be1a298e52a48c09274aab7ea913058135e

SHA256
c0c6b1386533fe75d9d5bcaec3c99a788d4ad4e4f6e12650bba07581a94497a7

SHA512
fa957785980889ae7417bfd529197175049fd34d16706bc666e923ea1e7b04743e3c1f9f624f3458b5a5228c31267120453fc4e9729ec16ba9fc8973ed55d6ac

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2244-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2244-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3520-42-0x00000000733C0000-0x0000000073458000-memory.dmp

Filesize
608KB

Download
memory/3520-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3520-44-0x0000000001140000-0x00000000029F5000-memory.dmp

Filesize
24.7MB

Download
memory/3520-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3520-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4884-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download