73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
300s
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, 08:10

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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
1560	b2e.exe
3304	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3304	cpuminer-sse2.exe
3304	cpuminer-sse2.exe
3304	cpuminer-sse2.exe
3304	cpuminer-sse2.exe
3304	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4384-4-0x0000000000400000-0x000000000393A000-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 4384 wrote to memory of 1560	4384	batexe.exe	76
PID 4384 wrote to memory of 1560	4384	batexe.exe	76
PID 4384 wrote to memory of 1560	4384	batexe.exe	76
PID 1560 wrote to memory of 3940	1560	b2e.exe	77
PID 1560 wrote to memory of 3940	1560	b2e.exe	77
PID 1560 wrote to memory of 3940	1560	b2e.exe	77
PID 3940 wrote to memory of 3304	3940	cmd.exe	80
PID 3940 wrote to memory of 3304	3940	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Users\Admin\AppData\Local\Temp\802C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\802C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\802C.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:1560
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\82BD.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3940
  - - 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:3304

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\802C.tmp\b2e.exe

Filesize
5.2MB

MD5
13015dfa459e1048325f8581f5d46054

SHA1
6f6984c9d862d72be22acfca329d88e5544ff4ba

SHA256
5ba4ce2c5f0c79c07e41fbeb186521335ae060de242c49ce54feb64ff973a696

SHA512
46ef05875d1a71097f80d15a5f4db2e9d1447b5505265eca3c17972fd6974afd15387b045856a26f799fd7d2009ae250a11083fcda1ff864fd2fdc1be5002695

Download Submit
C:\Users\Admin\AppData\Local\Temp\802C.tmp\b2e.exe

Filesize
4.3MB

MD5
225ad63ae4285536842ee1ca4b56e051

SHA1
73d1fcf4006c841ffcfa1269566d8543a5aaf7d2

SHA256
23c4e0cec42cfccabe7c01b688e5d50a0d271897860bb8b395ca6e8e6e6fbc13

SHA512
2dbceb2eab4bb328a2f5569013574eb7bb07f0c3539cab08a00e383124a4d08bf414739cc50380b10c8a1079cabc410323d4b1fbe99e61361d3a52372c46d88b

Download Submit
C:\Users\Admin\AppData\Local\Temp\82BD.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
8.1MB

MD5
9734e6cd28dedfe402a8008139e80ccc

SHA1
b6571a261ea8b2dabd0c7fca04a021d61577335c

SHA256
67fe0600f0651554629d7b1a3cf52ad1e8856ceb1edbed753af3f98882047b56

SHA512
a8ece408e2bee5e8e310b939f94e222130be9ce500d3d495f677fd66d273c069879b78db2006b3eb7932954aa08223d153359fd5f9870df4d057d0f6ab9862f8

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
10.8MB

MD5
f6676ff30636790c59ed99fd4cb9a76e

SHA1
6d5da37174911c58d89ca38275c5a53fa8687c4f

SHA256
78b5ba83691ed17ebaefae7c2bf722b0763f25baf99f6ff1f8fa589bd558466c

SHA512
f421a3dde2572a004648b03f9549ad4d69f9631ad0f2a38cd6994e4eebb189321e40d4cb57da3ab47bd1765bd7118668f8cffc42c3b59047168a205f0c3946a3

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

Filesize
8.2MB

MD5
0729c9272377fb56c253aa35b0083369

SHA1
dd8f98f280162fe1d3eac577f05325a787608138

SHA256
1669ac5a78d6a7d7a523f3a64741a1b04d2a7161bb20af85bb79ae0eef03d3a4

SHA512
62a00642ed67b890b31e214156825f1c7f04edc679f9551eac2d20465f5fb3da82b5fe4b15bd8d6dde6727f1b3875974106c7c519b60c61a2479eb040c52a08b

Download Submit
memory/1560-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1560-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3304-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-43-0x00000000674B0000-0x0000000067548000-memory.dmp

Filesize
608KB

Download
memory/3304-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3304-44-0x0000000001030000-0x00000000028E5000-memory.dmp

Filesize
24.7MB

Download
memory/3304-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3304-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3304-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4384-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download