73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 04:31

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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
4316	b2e.exe
4672	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4672	cpuminer-sse2.exe
4672	cpuminer-sse2.exe
4672	cpuminer-sse2.exe
4672	cpuminer-sse2.exe
4672	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2520-5-0x0000000000400000-0x000000000393A000-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 2520 wrote to memory of 4316	2520	batexe.exe	74
PID 2520 wrote to memory of 4316	2520	batexe.exe	74
PID 2520 wrote to memory of 4316	2520	batexe.exe	74
PID 4316 wrote to memory of 3784	4316	b2e.exe	75
PID 4316 wrote to memory of 3784	4316	b2e.exe	75
PID 4316 wrote to memory of 3784	4316	b2e.exe	75
PID 3784 wrote to memory of 4672	3784	cmd.exe	78
PID 3784 wrote to memory of 4672	3784	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:2520
- C:\Users\Admin\AppData\Local\Temp\9105.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9105.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9105.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:4316
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9337.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3784
  - - 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:4672

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\9105.tmp\b2e.exe

Filesize
23.1MB

MD5
3513893ffcebd736012a077bc9dcb39a

SHA1
553bef0688c734fb7dbb888b3f5778b51b85d8aa

SHA256
1b4a79945ea71dc4ac476a868078c34eebb703615d7b43fa1af105fb7bdfe4a8

SHA512
87f87a5572839eabdf3fccd3bb1a7ece3b076a65a8da45743e1a1aa96fbe23ed6b197eed49d3d7be982045a0fb7484bbd0869e0c5317b414dcaa975e49904319

Download Submit
C:\Users\Admin\AppData\Local\Temp\9105.tmp\b2e.exe

Filesize
23.8MB

MD5
b91c4b9227a614abf9b0b4a35837eec8

SHA1
038fd6b65591e7203f0db82058ce19a9c714a74a

SHA256
342e98de893719ccd55611462660a3a3964214fcc92e4c7db7910780aa83ec2b

SHA512
766f227f49b11caf468445b248adcc0f0f19a641515e305c84075ce21d5d1ca8c75a09ff3a8c6792a558b2bd3cd27437bf03a865f330e8ce4fd3bfe560efaeaa

Download Submit
C:\Users\Admin\AppData\Local\Temp\9337.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
4.3MB

MD5
eb813058dbb9bf3a07690a7546661448

SHA1
119c2dfdcb2acf446e9d93a78edff50d10a96f03

SHA256
ab20ae3bf403f2b1dd007b9c87c78aeb0d43543047e2f3e4c95283378299badd

SHA512
0a05a9c99ee0341494e63ff8beba2f63675982a6b7ac1c0c9ac32074db9278355cd4cbec4fe51a1d7244031fcca843f1298354e40660e61767e829c8129c2e83

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\libstdc++-6.dll

Filesize
5.7MB

MD5
0a3f07b50e7f20838f25d9b5a094194f

SHA1
0b451571bc01f21802d2274ff10d6fc39a087a7d

SHA256
5862dec937571372b81552aa73b178ca947252afd130d072dae3a7daca76c21c

SHA512
5e9bd1165b96bb5910ccdb7aa02942ac8f73cd388ac510cd1f933c276fd482dbdb82fc22b1d2b779b0751f82f2e2581925fdb58ce4cff26114d119b4b16c6810

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

Filesize
4.4MB

MD5
3f0cd88adfa3bc9531ff30d51f3508c9

SHA1
f2daa1eb38fbd2d8b735fa9cd0f4e9039da0a3a0

SHA256
97e667d81d1498b10338d979d99f1b7b5cca409b23cc090a3b558a0c5a68b064

SHA512
9c97a2e3fbc41aac9ab55af630251d4c72f74735b13c7c5a6554a2209854f0c7a93fb8ded06b43f114b545a7b7b91ad8a0d73696fae2551ff9b2fe4234ffc5b7

Download Submit
memory/2520-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4316-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4316-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4672-42-0x000000006DEE0000-0x000000006DF78000-memory.dmp

Filesize
608KB

Download
memory/4672-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4672-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/4672-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4672-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4672-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download