73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
296s
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 16:12

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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
1632	b2e.exe
2900	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2900	cpuminer-sse2.exe
2900	cpuminer-sse2.exe
2900	cpuminer-sse2.exe
2900	cpuminer-sse2.exe
2900	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/308-4-0x0000000000400000-0x000000000393A000-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 308 wrote to memory of 1632	308	batexe.exe	75
PID 308 wrote to memory of 1632	308	batexe.exe	75
PID 308 wrote to memory of 1632	308	batexe.exe	75
PID 1632 wrote to memory of 1160	1632	b2e.exe	76
PID 1632 wrote to memory of 1160	1632	b2e.exe	76
PID 1632 wrote to memory of 1160	1632	b2e.exe	76
PID 1160 wrote to memory of 2900	1160	cmd.exe	79
PID 1160 wrote to memory of 2900	1160	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:308
- C:\Users\Admin\AppData\Local\Temp\924D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\924D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\924D.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:1632
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9460.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1160
  - - 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:2900

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\924D.tmp\b2e.exe

Filesize
10.4MB

MD5
de57fd59338df960ac4f1e803903fae8

SHA1
e7aad01af2ce9e3ddb8f3d3c771f7cf8c0f25544

SHA256
14f359446edbb2b0b110608c41c1d80f20d04a1b5cffc7813e87ec8964b8c72e

SHA512
6be7434c2edb33aa52745a7483e2acfd79fabfc39ac2171db9680de6024ab033e7529bfd790944024a66a065796989e963f6515f853b9b60bdf42b81963009e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\924D.tmp\b2e.exe

Filesize
11.5MB

MD5
bf55dc7f7102a46baa5439bd5845856d

SHA1
7f417ff395352ff3cc49a7e8373f8e2f4a880dee

SHA256
4b36e460789d04ae97415b3773abec77364ddcd9ffe1224228cc6199dfe26bdf

SHA512
ff802b04a9a04264565153711dada9942981f405d75d3851027cc06dd38f05668ab9e13a0d4fad1c0bb12dbe05ed0fb1e88684a8b27348570ea5f9d33b3ade1f

Download Submit
C:\Users\Admin\AppData\Local\Temp\9460.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\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
6.6MB

MD5
726dec2d8e893af5b43ab2423b3a802e

SHA1
a708526a1ca9163adf4a76506cebddeca7b596dd

SHA256
72cc1bb609e094fd70b2a205049ab377aaa8728f6702aa843269bb8699110fd1

SHA512
3db37f3b72c3d9c1a021fd043e65f26ab1b1cd65fc80c9bb23565fdd0483c54bb928f430eb3b73ebbe44a1e1645c1f369bf41b796a0dda9d35bae6c0872d9873

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

Filesize
9.1MB

MD5
67caa04662192c7f16b7e539126dbfaa

SHA1
63a5a2987acf488d2285411fecd4077f4fa4003a

SHA256
1daa6afcb02a0551a3026a2a559ac0142cd37a8c0ccf6626f1c12b0ecefc1d90

SHA512
7aab211b63af9faf255ff042d138572ed80e1ddd6b38cf2bf813b7241eb7832ff176746766d9f7fd1df8fe393a57e6135b566a2617aea4937a98d37a037d5fc9

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

Filesize
6.8MB

MD5
5c22a5ec5c821f2341df1482d9b9ea44

SHA1
72a8f248221d546d466f6d666a642d2d51dbdbde

SHA256
0978e66dba996304fbbc6a9f021801363ea5a647847d9864f67648e58b8c90ad

SHA512
3a0f1a02bf632c4f39f2ef46704d38cd49903e2450101162ac190423e61a37629a15068001d55fb2ccaf06fdfcbfb4903a08b44609b2975227034305c7ed2ce8

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/308-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/1632-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1632-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2900-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2900-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-42-0x0000000065D00000-0x0000000065D98000-memory.dmp

Filesize
608KB

Download
memory/2900-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/2900-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2900-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2900-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download