73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
304s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18/02/2024, 17:03

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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
5036	b2e.exe
4548	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4548	cpuminer-sse2.exe
4548	cpuminer-sse2.exe
4548	cpuminer-sse2.exe
4548	cpuminer-sse2.exe
4548	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4448-4-0x0000000000400000-0x000000000393A000-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 4448 wrote to memory of 5036	4448	batexe.exe	75
PID 4448 wrote to memory of 5036	4448	batexe.exe	75
PID 4448 wrote to memory of 5036	4448	batexe.exe	75
PID 5036 wrote to memory of 3872	5036	b2e.exe	76
PID 5036 wrote to memory of 3872	5036	b2e.exe	76
PID 5036 wrote to memory of 3872	5036	b2e.exe	76
PID 3872 wrote to memory of 4548	3872	cmd.exe	79
PID 3872 wrote to memory of 4548	3872	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Users\Admin\AppData\Local\Temp\DA33.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\DA33.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\DA33.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:5036
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DF63.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3872
  - - 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:4548

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\DA33.tmp\b2e.exe

Filesize
896KB

MD5
1f22d8bf5f6c3dda3e880ea1ba0417d4

SHA1
2a8dbf2319999a894714bdea650eb5be32c64c19

SHA256
afb7da96abe31529f462178372c48627a7e681e3c18cd2196aec8beee07f5b96

SHA512
217b89f6a74039807c135539482b1a769d715190f7756e2b0162a33da3d8ada909b80ca3fc1596e542f163f6a45726282997f4e52a36c352cc89b9e58c1e6e05

Download Submit
C:\Users\Admin\AppData\Local\Temp\DA33.tmp\b2e.exe

Filesize
1.7MB

MD5
28508fd4df679db48762e944d4ceb3bf

SHA1
3abe3b347f3280a41250e74cd43c5a4bb8c970b9

SHA256
af9628de17fe475a17ba6153f796f17a2a8d638e4183d7bdb2838baea1ebac7b

SHA512
68432b1bf9a880be71b405387d017a5b7ce1e3b5de008f5dc5451b87b082084af6b036b135b600a6bdea3b9c45f475c8bf94900fdf0a5384e0bd4608401207af

Download Submit
C:\Users\Admin\AppData\Local\Temp\DF63.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\libstdc++-6.dll

Filesize
3.0MB

MD5
109aeb6c531755cc13056ebb69e343ce

SHA1
dfb4520be07582e7685ff30156df5a9810b4efe2

SHA256
adba04c41cb5ba72cfa3c156f0acd093629e9f2463e6ec3eb080a5a6141a68e9

SHA512
a5ee74bf9859485304d773a5d04fa3707cb0973af3492b38f8352db6baf29baf43d7b45e7581fb4215997217f62933ea87794516702f2c580a5da19292046a6e

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
2.5MB

MD5
d556d2f42952feca6ce9564bc4d61d99

SHA1
7f99cd3752d48b157fb7109c480800baf3414d02

SHA256
5a3db482760efa13421e809b94bd5abcb71cfa3728efaf18a4c6aff5c19b33c4

SHA512
49adfe1503b0c512309ec1363e2217777ec5b8b1af3ffe0d90dd1ed2fef79702bd211a98d9b6d6b425f56238127ed47693b76255ced0a65039534a70a6020db1

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

Filesize
2.3MB

MD5
2b5c37830aeb837e69b7237b0fa68c00

SHA1
7da058766feb0850423482926940ce2ca09bfae2

SHA256
eb81374b7f7063b488c199b6bcfb3cce555fb98592b1fd619c9fd414b3a19b3f

SHA512
fb750522e26c1081738d770118f8c45cb16b7423b52a802e3f9c686f0fe5c1262e62988b690280f1bc8fdbf2c2426321d65e987ec0a2a88e29049bf51a80ba35

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/4448-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4548-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4548-42-0x0000000064120000-0x00000000641B8000-memory.dmp

Filesize
608KB

Download
memory/4548-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4548-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/4548-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5036-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5036-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download