73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 22:55

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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
4476	b2e.exe
2132	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5040-5-0x0000000000400000-0x000000000393A000-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 5040 wrote to memory of 4476	5040	batexe.exe	75
PID 5040 wrote to memory of 4476	5040	batexe.exe	75
PID 5040 wrote to memory of 4476	5040	batexe.exe	75
PID 4476 wrote to memory of 1308	4476	b2e.exe	76
PID 4476 wrote to memory of 1308	4476	b2e.exe	76
PID 4476 wrote to memory of 1308	4476	b2e.exe	76
PID 1308 wrote to memory of 2132	1308	cmd.exe	79
PID 1308 wrote to memory of 2132	1308	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:5040
- C:\Users\Admin\AppData\Local\Temp\9710.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9710.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9710.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:4476
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\98E4.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1308
  - - 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:2132

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\9710.tmp\b2e.exe

Filesize
7.4MB

MD5
d1a23c525cadfa5c6ab9f27f0135d7c4

SHA1
25afca5be8691a6e83454cb611e5c2a8f7ea61eb

SHA256
a9049353b2a7d703222156baa1cdf3d3a2f00d0c7eacc30ea538049fa0e79268

SHA512
18f951fb9da9aeccda2878dd3cdc85d10bd25b866d0cfc1a36bdec4346a37fd12bcd585bef45a52a9b5b43761a71127ce9744e2872a3c772ad19ba1e8fec02ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\9710.tmp\b2e.exe

Filesize
8.7MB

MD5
b98f7961e1bfa36ca03d6ce8618b2a58

SHA1
cd4cf35e94e0a938098e838fd7137a42943de1c9

SHA256
893d698510f2d7daefc0ed7ea82d482875d368f51494403c109807822e4e733b

SHA512
dd53c6ea056994a11ba23cf9b2abe622079059bbcc2bf46e9601f34cd51d5f91e527536dd919b03ccf358b4d0b5e11a508123e07251651b053eeb2be307d7e85

Download Submit
C:\Users\Admin\AppData\Local\Temp\98E4.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\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
6.3MB

MD5
3e9462b4443c988a7c96358d0998f415

SHA1
d7be9cddc8b72abebbaef8440e6f4a6f1af9cacc

SHA256
10a8d515997f29073ec19d7f506aecc347bbf356bcbbcfd70d51be85855c12af

SHA512
a47376c972836015d690d253a4cbf37631387cd939f3e977c94decaaf41711e6a2b1f9d620961f0ab5d5a32ccb68a1d9654c11182c56e6be5b0f39877a38bd15

Download Submit
\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
6.4MB

MD5
d40542cd356bd631806e3960d27ee75e

SHA1
2d7985a97d42c428aa9b5e9086637c78765c7a57

SHA256
8cd4b461a5d0ae526f7c0b463b81d6914e2667d2ce85e4f426fe8779b1928927

SHA512
d1c257e00ad919ec0076fa862fb1cf6c015d7db2258322f9d285800545da8d71ae15916a664472526aaed01e4bef471abe3549f509f8e239f9d36851fefc40bf

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

Filesize
6.4MB

MD5
1ffbffe6132e602cc105e48de250f5ae

SHA1
e43544ebe47f13c9b93ed45ab5764b191e39fdef

SHA256
d7499d9a9e27f234276dde4aa15671dfced1d755ffe956cd7ab9e8b64cfc2895

SHA512
ea423bd48da4a7708c6f252e9473326d4ce6ea5dabaafffcce70ece1b900d6f92a4315c0c6fdc241c536cebe1abc91858f6d33342c45c128f780008a8260cc4b

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2132-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2132-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2132-43-0x000000006D380000-0x000000006D418000-memory.dmp

Filesize
608KB

Download
memory/2132-44-0x0000000001030000-0x00000000028E5000-memory.dmp

Filesize
24.7MB

Download
memory/2132-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4476-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4476-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5040-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download