73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
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, 05:13

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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
4888	b2e.exe
3956	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3956	cpuminer-sse2.exe
3956	cpuminer-sse2.exe
3956	cpuminer-sse2.exe
3956	cpuminer-sse2.exe
3956	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1824-5-0x0000000000400000-0x000000000393A000-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 1824 wrote to memory of 4888	1824	batexe.exe	75
PID 1824 wrote to memory of 4888	1824	batexe.exe	75
PID 1824 wrote to memory of 4888	1824	batexe.exe	75
PID 4888 wrote to memory of 1836	4888	b2e.exe	76
PID 4888 wrote to memory of 1836	4888	b2e.exe	76
PID 4888 wrote to memory of 1836	4888	b2e.exe	76
PID 1836 wrote to memory of 3956	1836	cmd.exe	79
PID 1836 wrote to memory of 3956	1836	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:1824
- C:\Users\Admin\AppData\Local\Temp\7E09.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7E09.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7E09.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:4888
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\802C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1836
  - - 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:3956

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\7E09.tmp\b2e.exe

Filesize
3.2MB

MD5
40889b384a48274d43cff4f5fc6ca21a

SHA1
62bdcdf62b98f9ccaf9f1cc3eaeeb448aa4894e1

SHA256
07f7d84ed5ce94bcb07bcbccc66909550b27f4fc5e8cca3b348bd9b5b172d106

SHA512
bd5ec17399dcf9b857c36e95d01e216b3b0130402d086697c83519f32464e053a9a7d63d3575787059e61e367ce5863161c201b5856d079fc6e6ce83f8b98897

Download Submit
C:\Users\Admin\AppData\Local\Temp\7E09.tmp\b2e.exe

Filesize
1.7MB

MD5
7b9e19cbeef48d1436f80636d98f1e29

SHA1
211ab3ec2dbf56621bfa6e7b4af51f6d59ed7e22

SHA256
ab3065d4cd6d2916257227617fba70a92bdb7b65f474d9a3b5a7910c6791775d

SHA512
cd561dbc1747d3f5e1a799a1d6f13d71150e273835ecfd1f84b00e742b04a23b41daf83db404ef527c1531f665bd6e74a4fc62bc84759208b958a4803063bdae

Download Submit
C:\Users\Admin\AppData\Local\Temp\802C.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
2.9MB

MD5
15bbe1e8aa36bd041ef374e4a718b3ff

SHA1
aeecafa9b469b1817448cceb28fa01383c6911cd

SHA256
a9190158d575ccd04cd992d45282d4a9254d62cce2e325216f06bece8fbf4bff

SHA512
4bc9647fc6d8de56eecc627c487d795d374f2da7a71b6b09bdfa9e518cb67fe12d5d0eeb13ff83c7a38eb41acfdf44b5397087c60c3542cbe3215969551f076a

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
3.4MB

MD5
c6d063720ab25677eb354e70ae6dfc1d

SHA1
af71b9dfa8c4e1c7be03ff0f540d73dda2f48460

SHA256
a4ded51f79ba305df2f36ec7af4b777e052829c6fddb07f3936fd846a42941c6

SHA512
6df3e27f7ad74807c36f7e0107def659981792f02196f2dc64b3a0bf209acb4b42cc8985cb4e6b8ddd5d042019c8e7b38b66de1eb65eaeadcb5770f8ccd1d889

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

Filesize
3.2MB

MD5
2ea17a6727c749b226d79939f58cd512

SHA1
8e831fa379eabc90201195d512369e39af1fa34b

SHA256
848d2681f294012b2d314365072d71ce0c454f0be6f9171e0de033a63124e13b

SHA512
d71a08be881f843c47067f1b91e0a76dd65207fe0fc4c462501ea575ddb6d0551329db33d3b09ddfae2c9fd42980e81522602f4ff792026106fbb4c2daa092ca

Download Submit
memory/1824-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3956-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3956-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3956-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3956-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3956-43-0x000000006D920000-0x000000006D9B8000-memory.dmp

Filesize
608KB

Download
memory/3956-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3956-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3956-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3956-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3956-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3956-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3956-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3956-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3956-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3956-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4888-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4888-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download