73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
299s
max time network
305s
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, 06:21

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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
1292	b2e.exe
3400	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4364-5-0x0000000000400000-0x000000000393A000-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 4364 wrote to memory of 1292	4364	batexe.exe	72
PID 4364 wrote to memory of 1292	4364	batexe.exe	72
PID 4364 wrote to memory of 1292	4364	batexe.exe	72
PID 1292 wrote to memory of 3816	1292	b2e.exe	73
PID 1292 wrote to memory of 3816	1292	b2e.exe	73
PID 1292 wrote to memory of 3816	1292	b2e.exe	73
PID 3816 wrote to memory of 3400	3816	cmd.exe	76
PID 3816 wrote to memory of 3400	3816	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:4364
- C:\Users\Admin\AppData\Local\Temp\A76B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A76B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A76B.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:1292
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AC9B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3816
  - - 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:3400

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\A76B.tmp\b2e.exe

Filesize
1.6MB

MD5
4b3e3a3f84660472fb9714cd8feaba1b

SHA1
8561afb6ae0a1ab8a4d8364928811b66fcaf9da9

SHA256
006513b9e4310066d4cb66a1ea11b6619c10e428f5a1ccc39eab92e1d487f442

SHA512
a4ccf4de38da8d27dd065ef09b81a4bca708188c6102211faaa186ddd8f68b87381611da54cb6098758733c799e2a3450cb5cae66b58c29a4264d93f93a1edc2

Download Submit
C:\Users\Admin\AppData\Local\Temp\A76B.tmp\b2e.exe

Filesize
1.1MB

MD5
a43a8e689cd5eb2690d211c1d48e729a

SHA1
92acd696234142bf22c8b5f1c1af459f38dc3bf4

SHA256
de564130f2706db8cccf91eb5cda9c55b9cb1cf5c775c3eee2d27c4c63ae5adc

SHA512
d804a9846c745cebd70e25fc740f2d8ab555e3b66ec9a1199539d08a0bf9c7cc4d2122eb5fb65ad6192835649fc0cc55f08ea2572c131c6b1931be3d30991182

Download Submit
C:\Users\Admin\AppData\Local\Temp\AC9B.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
5.8MB

MD5
79f30eb5167f995681800c2518aa8e37

SHA1
5e121a4568798083193ca5e80a62f4ead41d7518

SHA256
04d1a3417abfce718f42008cc05cf95beacec714ef4d411a4f2b53e34f903897

SHA512
b63b549073b2a420829c26908b87539fc29c86a4bdc2cafd1f8cf8e0af95ae97a26d86d38d1e73aaa0dbbd2440dbbfc4c5865cef7682d00abdee868a24d928d8

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

Filesize
6.4MB

MD5
e09816270b2535657eeea348da9702b0

SHA1
70439860537a3bc70acdae38ef69f5d81271a534

SHA256
0ef03438e75a30beacca7b919bba69c0e3e6478c178fb50d787f9279194d8f6e

SHA512
002e2b817d77ec709bbf3a340a99f954050a9c2bee951630a11fa91eaef168a768450bc40de17dbaf6860f25e92a93b3092648e59a7d23c0e0f7a89cb6e1b695

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

Filesize
8.0MB

MD5
f075bc9f2f10f2ce58ac3c22d75476c2

SHA1
867891ee13765b893390b2034992beb60c062893

SHA256
77ad17290d01c66a535ce81babc30740f76ec1a5e04b31c45de78de993d4e745

SHA512
877079c396e075b6f7cf50b6500ddc85927a3a2edee2482122027828b61c8b2e872b83226445351c6eca6332cf4a1a291be9dc101759d821e2c2d8b6de69baea

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1292-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1292-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3400-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3400-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3400-43-0x0000000069240000-0x00000000692D8000-memory.dmp

Filesize
608KB

Download
memory/3400-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3400-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4364-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download