73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22-02-2024 03:09

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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
3140	b2e.exe
3696	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3696	cpuminer-sse2.exe
3696	cpuminer-sse2.exe
3696	cpuminer-sse2.exe
3696	cpuminer-sse2.exe
3696	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3060-5-0x0000000000400000-0x000000000393A000-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 3060 wrote to memory of 3140	3060	batexe.exe	74
PID 3060 wrote to memory of 3140	3060	batexe.exe	74
PID 3060 wrote to memory of 3140	3060	batexe.exe	74
PID 3140 wrote to memory of 3760	3140	b2e.exe	75
PID 3140 wrote to memory of 3760	3140	b2e.exe	75
PID 3140 wrote to memory of 3760	3140	b2e.exe	75
PID 3760 wrote to memory of 3696	3760	cmd.exe	78
PID 3760 wrote to memory of 3696	3760	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:3060
- C:\Users\Admin\AppData\Local\Temp\734B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\734B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\734B.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:3140
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\757E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3760
  - - 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:3696

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\734B.tmp\b2e.exe

Filesize
7.2MB

MD5
f31c454a6c235367585a0d65e7025c09

SHA1
b03139854de0f49821c2382cbefc9924170e514a

SHA256
9e9aed4440b952a1a03f06a349d8d4f77987dda17e7dd36472ced8dead994bd8

SHA512
35b0dde151e68ecdfcfe1c143d6c9d7efb4229caf8ed6190d413805e723f11493662df02e8ecac94138e36619e69716957a908c4bd1590de151d2278eb741f86

Download Submit
C:\Users\Admin\AppData\Local\Temp\734B.tmp\b2e.exe

Filesize
8.4MB

MD5
4755f47d46a6f217fcedb0c778bbd2f9

SHA1
778c5e49cb82713b39ac941ef4c4155b29fd3cf2

SHA256
57f754192a7030ce248bf59e6e4d31adf412b8269c8dbcd46bc8c95f6f2e28f1

SHA512
5525e3e0a1baaa4a514a8cbff6b111256405e7ac645f3e600dd6d0f95279be8f2fc5b9d66ff5563753aba6f3c7fb8479ea698fddd022671b3bf46dc0afbe69d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\757E.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\libstdc++-6.dll

Filesize
4.8MB

MD5
19b1c755bd53bfe54f732b0d309b012c

SHA1
58b886e22c66fbb6b861bed58d3812c0c98a6a52

SHA256
c4912fb0f9eaa8cf19746f8d31ae910341e430e582e08af97736a67c7a11e132

SHA512
5b12352d9a3ec617c2b02ded0598e39343f7ed8ac560cc1304a711b9ca8426f43b047c5dd5e3b774eb2065264c32faee8fb9c7af373c30de7dbdebc1dbcb447e

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\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
6.0MB

MD5
0a0b1bffc81ccae27cddb5e4f0902df5

SHA1
52193050d4a60c85652569399437ab7edf4abe87

SHA256
1a50e407943b6d2069ccb1ddbc9539f7d6834ff60bbf17218d121cf212c707c7

SHA512
315bdb80fc3af7bb000d54d19cc6a2666aa8d507454ffc0d8c8e7175f2dd9d2b2edd68b752a3d4792968e9c166319817e5c7606044812592f21599ecadc7ebb1

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

Filesize
5.2MB

MD5
8956e6a45b0b1d5c40d62ceae6059a51

SHA1
6ce5f4c1a860f062bd95e3cc7339d211ea4bbc93

SHA256
d8737f8b270d0b038134185dabc9abd7ae8d2055d07d734d09f8f55791b0ae86

SHA512
ae6f179e81ff8953d9d9b80cd05da6ea934a2dfda6f44c04d613ddeda6be0ec3feebb27120387b95a10a2a230662e476fea2dd614173ab8d6e1d5d74e6c3d276

Download Submit
memory/3060-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3140-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3140-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3696-43-0x0000000062330000-0x00000000623C8000-memory.dmp

Filesize
608KB

Download
memory/3696-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3696-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-44-0x0000000001130000-0x00000000029E5000-memory.dmp

Filesize
24.7MB

Download
memory/3696-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3696-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download