73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 10:07

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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
2136	b2e.exe
4432	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4432	cpuminer-sse2.exe
4432	cpuminer-sse2.exe
4432	cpuminer-sse2.exe
4432	cpuminer-sse2.exe
4432	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/220-4-0x0000000000400000-0x000000000393A000-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 220 wrote to memory of 2136	220	batexe.exe	75
PID 220 wrote to memory of 2136	220	batexe.exe	75
PID 220 wrote to memory of 2136	220	batexe.exe	75
PID 2136 wrote to memory of 4724	2136	b2e.exe	76
PID 2136 wrote to memory of 4724	2136	b2e.exe	76
PID 2136 wrote to memory of 4724	2136	b2e.exe	76
PID 4724 wrote to memory of 4432	4724	cmd.exe	79
PID 4724 wrote to memory of 4432	4724	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:220
- C:\Users\Admin\AppData\Local\Temp\98A6.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\98A6.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\98A6.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:2136
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B17.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4724
  - - 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:4432

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\98A6.tmp\b2e.exe

Filesize
10.2MB

MD5
6d00f6e382797fe517785aff9d7ed0a9

SHA1
e425273a1980304d7930211b20199b1ae174e931

SHA256
3dc7debb6f5fe970fef4ce4b20b22cc4c59128224d1903725a59eebd4b4e3488

SHA512
bee7dc3f067dafab0a91de4402b80648d5dddff20cc119417476b12cceabff6168de7661b4528b06997b9880784aa740dfbf76d90dc3702feeda4cf10fda3faf

Download Submit
C:\Users\Admin\AppData\Local\Temp\98A6.tmp\b2e.exe

Filesize
11.4MB

MD5
c0bfb54fda3a07b1b9cec91a9aee1195

SHA1
5d036120a965d946b386e7396456a5f40795a9a4

SHA256
f2ac6bc4a217461393927d7df0b46c0d957133de2556d06996eea3d78d13e9dd

SHA512
4430dd2285e79ba0071db51e90aa5540f8f5d83fe77068a16abfe540dc467c258fd44f3d15e97fefea4675c8115c57a438eec5b4caf774b5a7854364b039fed1

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B17.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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
5.6MB

MD5
86e1333e13be471d179a48d5efe1770c

SHA1
1b092b8ae138ffebbad46e5002ffee320387e1ed

SHA256
c2fa78853577459b7d3ebe5d5f70e23d91ef22f5e1f0fea4491902d6372b3700

SHA512
63ee2638caf934b1da9ca61b50e0d023c25cf98a4288b03425c46b5b2d9a7e5b3e34cd981f4e55d92bb356ded56c9d42f678bc0f837f965c3e099804fd512e7a

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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
6.5MB

MD5
6a98541edb001b4ad605ed783017752e

SHA1
8a7a0d4cf1cbead950af635b2737d056a6cf75b6

SHA256
0611edbbf3d6a8d86f1f117f402411a7322394ebd0eefc9de1d2eb541a7effc9

SHA512
2cb0a289b6cb5ccf26e94fc4ad5d178115f618e10549bc479a82c982e17f82e537d868c29e0e8f69944e3931d5aa01e610c6955084200a54e1bd5821f26eff18

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

Filesize
6.7MB

MD5
048c76b40738ca490ff30e1d516dedbd

SHA1
bf69c651b1505f9b00aeaa72a8ec614de7fd24db

SHA256
492c1a2d8c591b8989b448d155cb68f41ac9b8df2be6043aefe1a2667b36fecd

SHA512
11085d7547406b889510eb34f7e77f4941fc8715a5ef8a89dd5e88c1d336357b33b6637dc80ad9a22965e9bccd89cbe087827d37e6d0ab644b3b0a573669aa63

Download Submit
memory/220-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2136-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2136-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4432-42-0x0000000059A30000-0x0000000059AC8000-memory.dmp

Filesize
608KB

Download
memory/4432-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4432-44-0x00000000010C0000-0x0000000002975000-memory.dmp

Filesize
24.7MB

Download
memory/4432-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4432-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download