73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
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, 22:16

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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
2340	b2e.exe
4644	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4644	cpuminer-sse2.exe
4644	cpuminer-sse2.exe
4644	cpuminer-sse2.exe
4644	cpuminer-sse2.exe
4644	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4224-5-0x0000000000400000-0x000000000393A000-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 4224 wrote to memory of 2340	4224	batexe.exe	75
PID 4224 wrote to memory of 2340	4224	batexe.exe	75
PID 4224 wrote to memory of 2340	4224	batexe.exe	75
PID 2340 wrote to memory of 2848	2340	b2e.exe	76
PID 2340 wrote to memory of 2848	2340	b2e.exe	76
PID 2340 wrote to memory of 2848	2340	b2e.exe	76
PID 2848 wrote to memory of 4644	2848	cmd.exe	79
PID 2848 wrote to memory of 4644	2848	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:4224
- C:\Users\Admin\AppData\Local\Temp\98D5.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\98D5.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\98D5.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:2340
- - 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:2848
  - - 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:4644

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\98D5.tmp\b2e.exe

Filesize
4.7MB

MD5
1d6c96590fec9e4d752d34441c14e1de

SHA1
af054f3b150a472fbfd2d7f8181e35758bc4985d

SHA256
fc3d2aeb4c2288088d5c999d0fd8a1c91a2bdc912a9fe0f55fc387d002fdbf76

SHA512
a595bdd9f3d8d0dc4b7f0ddf59384d66d1555ed953ae283cf4ffeb4cdc6b1cb4ae4f99dade07a0134ae5b4bbaf1a851a0c43ae65f87aca1172b9b690e95b0172

Download Submit
C:\Users\Admin\AppData\Local\Temp\98D5.tmp\b2e.exe

Filesize
5.5MB

MD5
695f881d37c8fee6ad5c20b54a5d5dc5

SHA1
e407f78585ff4b7fb5e1bfe1fbce5142a2a87ed0

SHA256
6f3405908b735a3430f12473b357239fb0ff6f9b5fd1475f48e628bffbc074b1

SHA512
c10610d33e5b8a804858138ec5640db49817e341051a7cb95d746dd1f472529ab039e5d6aaedc090e49a6092811db8c0f8eb05fed75ee435fa4c549ff7b11654

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
704KB

MD5
ce5f200d2d48a057722a957d5acc6426

SHA1
e7a8d4c0dc7b561dfa26e3fddaff015716187305

SHA256
cb450c8c0a952560f35f4b93f14357fc3856ee0b016eabf8bb4d20e9504d82df

SHA512
e7d3b203cc96d08b6d000f6845bbeb5777cd08babadbcb86266193ca68d8183973b3a92f5cf587df1f26bf04a182fa51001b7317c9a9e7ba868d1e26b897ee9b

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

Filesize
640KB

MD5
0f6af9e19fa927d88313e98d54420920

SHA1
0aff9c72864126107d6c630aafb9ed6512042afd

SHA256
71661d7077b93e2a5e53d7093e532bec1b66d34e3929bcb314eab7f431b84734

SHA512
bba078e2f4eb5ca45956657356f7419767a81679f34d9991bf28a1d44e412340d1002517f74a15583ffe20b32f1f25b60c47f4581100552dc1e651b3f88547be

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

Filesize
6.2MB

MD5
a2f7333bc282df8bebb04e06fae20627

SHA1
da49034b6f27c43bc5a0b429cb6e8f4847b42b26

SHA256
340a1d9a1c1cd4236cac42ceb3a808d5689acd0010020c3e868b8670508ec181

SHA512
8b8bc61e213741df85cdd9a8b765f572b3527e304f3b9224e40f10fca92be196973ca704bad413613e53df390374cbff3db7fc0a6474ebc30079e036e5f9ef5b

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
5.8MB

MD5
410ac2bf95c47e16acd8e4afd835fa6d

SHA1
dea829b0b4e77f9981a3a33623535e7043041cec

SHA256
f066d0e5f4af54ada7840b80004d32893d5efa8ea9f2f6459b0895509e6b7029

SHA512
81c65463ad52c6287bb3d48e866eeebc035804154c83f4f6ab2a2d9751aa1d5f765bfede8abc501f18ef3e88d4fed93e00fca6338abdf6d5914967eb8fd99f6d

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

Filesize
6.1MB

MD5
4725510c47316a7f86b39c08d0a6c197

SHA1
436540f94969b934953aa6c4fabf7306cccf682a

SHA256
a40d793074fcc8d77eb29a3e3492cb553d1fa7986b8f9baa87778e13b137b1e1

SHA512
710a72ed773be382226609e9699c6467736f8bd5f7af3d393ba2f7123474478552f7029648c2ba0a8da8a352fcf24f54268355923e315b664442f2efe2fc5088

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2340-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2340-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4224-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4644-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4644-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4644-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4644-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4644-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4644-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4644-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4644-42-0x0000000052760000-0x00000000527F8000-memory.dmp

Filesize
608KB

Download
memory/4644-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4644-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4644-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4644-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4644-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4644-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4644-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download