73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
23/02/2024, 18:32

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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
4520	b2e.exe
4948	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4948	cpuminer-sse2.exe
4948	cpuminer-sse2.exe
4948	cpuminer-sse2.exe
4948	cpuminer-sse2.exe
4948	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-5-0x0000000000400000-0x000000000393A000-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 2308 wrote to memory of 4520	2308	batexe.exe	75
PID 2308 wrote to memory of 4520	2308	batexe.exe	75
PID 2308 wrote to memory of 4520	2308	batexe.exe	75
PID 4520 wrote to memory of 1924	4520	b2e.exe	76
PID 4520 wrote to memory of 1924	4520	b2e.exe	76
PID 4520 wrote to memory of 1924	4520	b2e.exe	76
PID 1924 wrote to memory of 4948	1924	cmd.exe	79
PID 1924 wrote to memory of 4948	1924	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:2308
- C:\Users\Admin\AppData\Local\Temp\7C15.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7C15.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7C15.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:4520
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7DDB.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1924
  - - 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:4948

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\7C15.tmp\b2e.exe

Filesize
7.8MB

MD5
eb08ec7432ba0519ba8d876776535b0e

SHA1
6b63f3823d85aaef40fbc5f19649233c2910821c

SHA256
2c6117db15ebac162c351330c0d36c177a201d1f5decac62c1c447fd126ccdfa

SHA512
8546c382ec3fddd99d5681ab636b312411a6b0a92ec41071ec3f4ca64989d74133676af15064725dc50fbee943a3eb4b0a05f89fe04139f3b78e501f877ed3a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\7C15.tmp\b2e.exe

Filesize
7.5MB

MD5
d1657bbf8b3f13cd9bf7f1baa79d25e6

SHA1
067d40475202b3e86635d2a813e17c4ece978b61

SHA256
1af6c66328aba09c6a74ff4ebdea3fe3e076636df005808ba887a1abc3c7cc6f

SHA512
75b5e40df2afc454b2d0ec88dcb561b0fdc53033a6f73192ccfc481ee0c4b6612af48713ca80d8741b35884e09538f5b53965644cd85bb1802271978cb92a7aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\7DDB.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
2.5MB

MD5
46eb4a3a93b243c2b790b055ce86ce82

SHA1
c60c92bdcb4c2cce43f936bb1c4aa3e4b62666b6

SHA256
5c9ee4250b888594749dc8c1d6d4bd373651fb623ca53d4a9caf3166b207cf7d

SHA512
899509c5106336a000c364aad5771b0743062e5e568c9c06e619f0ec8b3d0549a4da36751209d75f1a38c8f7e5c741e4535e32b81d4b61f7354ce9a256b8bb63

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

Filesize
3.0MB

MD5
cfd7b718e68959fb45e9b0ab9d4dc2e9

SHA1
48dc2b217a3de4258bd72b8351702b8cf200dba8

SHA256
5a070afb2e207c8af3ab4d7f72ac7f6e307cc67b61f0c4ea14d4b6a5ed28f194

SHA512
9a54433d8d111d1f6848e7efb7cccd711a8664bd31ee95202ca1fbaf8a66e805f263648fff835ab0add3ded5c7724da5049f9302dc69fe28fc2fb48d8c5be912

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

Filesize
3.4MB

MD5
c376674f4236c9a2e832e85b9154b03c

SHA1
020fe2a0309e1fe947e763d33405f809b7d4ba54

SHA256
ed6a12a9dfa556dd12259daf8fabf99fd3772296b7f11cc5f4fa537da1df36f6

SHA512
146f0d0c6559ce235283a75f37f2d9a62fdacf2ab3493d6f7050e7d9d3617b184d73e96fde19671ad3dc80b8aab5380838c8bdd71da928b0d2f6dddaaafa0cef

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2308-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4520-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4520-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4948-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4948-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-43-0x000000006D920000-0x000000006D9B8000-memory.dmp

Filesize
608KB

Download
memory/4948-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/4948-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4948-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4948-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download