73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
302s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 15:32

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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
1948	b2e.exe
3608	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3608	cpuminer-sse2.exe
3608	cpuminer-sse2.exe
3608	cpuminer-sse2.exe
3608	cpuminer-sse2.exe
3608	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3960-4-0x0000000000400000-0x000000000393A000-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 3960 wrote to memory of 1948	3960	batexe.exe	72
PID 3960 wrote to memory of 1948	3960	batexe.exe	72
PID 3960 wrote to memory of 1948	3960	batexe.exe	72
PID 1948 wrote to memory of 4028	1948	b2e.exe	73
PID 1948 wrote to memory of 4028	1948	b2e.exe	73
PID 1948 wrote to memory of 4028	1948	b2e.exe	73
PID 4028 wrote to memory of 3608	4028	cmd.exe	76
PID 4028 wrote to memory of 3608	4028	cmd.exe	76

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3960
- C:\Users\Admin\AppData\Local\Temp\A74C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A74C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A74C.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:1948
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AB92.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4028
  - - 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:3608

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\A74C.tmp\b2e.exe

Filesize
4.1MB

MD5
55075aad2654558e78c79389d328bd6c

SHA1
3c49741995c4eedb25ab33cc269abeed7e5a00b8

SHA256
778ee0f65897dd81fdfe44499a01fd879b1c237acb9015a4b8afe1020809e440

SHA512
0060002f1ddd8ba3d108c627afb31818998a107e866db7bf1de6ce534e4974c520e8a4a34a0925c1ecac868c5f85543afd169b1ad77b81521b88049bf784ec5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\A74C.tmp\b2e.exe

Filesize
6.5MB

MD5
4a365d9ad586f9378407db7c767ec142

SHA1
3542050e63ca7895312eed1e0800734ea07cc52c

SHA256
898301ef1c1ea1c3022eefebd97e76416f94fe4ece7d4052e8ea4d505c6905cf

SHA512
f6e087d13682195bf1bd361e2d696334aa7f9c01f9d7c1e4e43848b9dffbda02e6168031bab8342d3d6c8c27c209d0acaca1583b510bc921d7413d423aa1babe

Download Submit
C:\Users\Admin\AppData\Local\Temp\AB92.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
4.1MB

MD5
5354b483c1b55e0c41df0ff4cf4e430f

SHA1
53c50c5cc39bd87a89473dddfb89c581bdb8e8f7

SHA256
5fbe4627824a620ef6d2a2383374e3985e63c0fe482a965f76d587d699561091

SHA512
592a0cb411eacf481833e4923d70de137762989e343f717f1374e7938c6bc24048dcf6c428769f7f34c16d266fe285607e2d656859c50276d406918388fe1f5c

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
5.1MB

MD5
6c400df2142883c874bff307a21c4634

SHA1
c982896dec1ef7a12f46ab5986c2841490f2c738

SHA256
c516595732232399df0f60f657bba9a831096a039f099730da37a59f831d611c

SHA512
3ceece8814f47904ce56a58ceedb74345a48118a31c1e0435ec7aaefdf5a684df96360ec472dcda3158dd7a3a8ebd58137dc246f20debee1df9cfe7f39a16e40

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

Filesize
4.5MB

MD5
50887092389efb9ab86d9df2342d23b4

SHA1
017353a39166ae5c456214f2ad813edeb7d998c9

SHA256
1301f7ec416700a8a80ff6095a46aeb7b9478657e0c75958ca53e0ba4132b325

SHA512
41af0016c89bb02abf1af8406cfb1cf0cea422813c668854c697b26a66431efb44350c4e0b37b0027999dc8a81a4d7ba4055bd741e265a7c8ee65d7776eb63d1

Download Submit
memory/1948-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1948-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3608-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3608-43-0x0000000069240000-0x00000000692D8000-memory.dmp

Filesize
608KB

Download
memory/3608-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3608-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3608-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3960-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download