73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
291s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 03:59

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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
4080	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4080	cpuminer-sse2.exe
4080	cpuminer-sse2.exe
4080	cpuminer-sse2.exe
4080	cpuminer-sse2.exe
4080	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1292-5-0x0000000000400000-0x000000000393A000-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 1292 wrote to memory of 4316	1292	batexe.exe	73
PID 1292 wrote to memory of 4316	1292	batexe.exe	73
PID 1292 wrote to memory of 4316	1292	batexe.exe	73
PID 4316 wrote to memory of 3868	4316	b2e.exe	74
PID 4316 wrote to memory of 3868	4316	b2e.exe	74
PID 4316 wrote to memory of 3868	4316	b2e.exe	74
PID 3868 wrote to memory of 4080	3868	cmd.exe	77
PID 3868 wrote to memory of 4080	3868	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Users\Admin\AppData\Local\Temp\C17B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C17B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C17B.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\C4F6.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3868
  - - 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:4080

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\C17B.tmp\b2e.exe

Filesize
4.5MB

MD5
ed40f91e17eda2fe09e9ab494bc9b098

SHA1
02bfd9476cf8b64f6eb9e2a76a6a8aecdd5b0fa2

SHA256
c817ac10e9e553f5ab2f66c545b91d007e197fab80961c5b76a9b260e8ef118b

SHA512
898768ad6e511d9c18c68f05b602e83e2f282019438e5aa2744c5a847ececd755bcb327d3b16954e44a49651ff3bc2d0fe9535460905e8cec35b8f81d6ee81c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\C17B.tmp\b2e.exe

Filesize
4.6MB

MD5
7d7868459691a2c328873b785a431e5c

SHA1
6c3ff9e0d21a95df0900c498d1bd6b29b6a780d9

SHA256
fc1461f288f8798085b382f92a49c1f41127d18a15ff96d5c772f58a34c032c5

SHA512
e6cd8ff58d9b05ea241678f213047b679b1df9787d5f3608015764a4bf3b46bfb6c76e6b6c7407cde0c1200d5c95720a602a857710b3fe615990f4cab5269b63

Download Submit
C:\Users\Admin\AppData\Local\Temp\C4F6.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\libstdc++-6.dll

Filesize
3.5MB

MD5
3ebd3b1ea94b9561654d3fe10a7a93a1

SHA1
07e9535d49687d63656ee84803818c98d8be92f2

SHA256
ee5e7a7007e9876779b0e7b5a610a221a2f2e73792a0e44e7518303fb146a094

SHA512
fb048e2d81cc2e1f7fa760e11b34ff13dbbfb071df5ad8d313d68e216e4b8f89fefc7349d02fb64a5c8df3765ad83a000b308077c3dab8fc5552afac278b9408

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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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
3.8MB

MD5
dd7f5296c3449f5c0fb53e3bfd6dd22d

SHA1
c106c0163ca3694feaba4eb4283401f1825a6caa

SHA256
7c37152f3f6cd6b0b62d548b695b1581f1a4480a089236c2baa11cf142aa3c7f

SHA512
b2e69754372c6911dd7576d4a8d4c88062c69737a4eb5aec1ee7cc08dd76b8ee7d91fb3ee1f4622c661aac3c6318963302ba8038a68bf6716a506e49d5b7f053

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

Filesize
3.5MB

MD5
f6da1992317e3ba79f934c2b906858ac

SHA1
ae7418ae2128dc39b77bce44f17f4092a932bca4

SHA256
0361cdca2654bbe9dbe975a29c274241db02830f0e85b1f8a8ab1c4c671c3405

SHA512
e32d627376eb6308f5c6a91c1870e556ae79603ba61efb082fbd77f7c7874450564c7a259e9d0d37c042a4126c1d76548ef51834f9879807d47c32e7ea7d7e8d

Download Submit
memory/1292-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4080-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4080-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4080-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4080-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-43-0x000000006C310000-0x000000006C3A8000-memory.dmp

Filesize
608KB

Download
memory/4080-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4080-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
20KB

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

Filesize
20KB

Download