73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
299s
max time network
297s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13-02-2024 21:11

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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
3492	b2e.exe
2800	cpuminer-sse2.exe

Loads dropped DLL 6 IoCs

pid	Process
2800	cpuminer-sse2.exe
2800	cpuminer-sse2.exe
2800	cpuminer-sse2.exe
2800	cpuminer-sse2.exe
2800	cpuminer-sse2.exe
2800	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4680-4-0x0000000000400000-0x000000000393A000-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 4680 wrote to memory of 3492	4680	batexe.exe	74
PID 4680 wrote to memory of 3492	4680	batexe.exe	74
PID 4680 wrote to memory of 3492	4680	batexe.exe	74
PID 3492 wrote to memory of 4708	3492	b2e.exe	75
PID 3492 wrote to memory of 4708	3492	b2e.exe	75
PID 3492 wrote to memory of 4708	3492	b2e.exe	75
PID 4708 wrote to memory of 2800	4708	cmd.exe	78
PID 4708 wrote to memory of 2800	4708	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:4680
- C:\Users\Admin\AppData\Local\Temp\979C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\979C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\979C.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:3492
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9A2D.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4708
  - - 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:2800

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\979C.tmp\b2e.exe

Filesize
9.1MB

MD5
a97af40ec89bab099dfdaed9a14197fd

SHA1
2ce5555423105a103a6f37cbd104c7390306b177

SHA256
28d9e5696290334c5056d90cefe398119d92ed2b4e0ba7271169eeb12e95032c

SHA512
ac1ee551740014cc9827839470ebd141e02588d3c430d0f36b0a2226c3a16365c44c597ee8000501a849de3c27396e3f577fd4c0fcf655df9d8582c81b76d2c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\979C.tmp\b2e.exe

Filesize
15.2MB

MD5
9348657fe9f4b016c47a7b86b326c4f0

SHA1
b3135811f05b09fe2c9f038b74061c2dd415090b

SHA256
ceb6089c9ce31751955d7eb9c849b37debf35e743ebf4668e28c952561c28125

SHA512
090e6debe84f23033ecdcb458e98ffbe4e3c5ae90525e72c719740d811a3429a1e2d9b0ab9f8e2916f34ddcc9b753cae65b74dcf261f0b8ae4e40315c85ef7db

Download Submit
C:\Users\Admin\AppData\Local\Temp\9A2D.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
832KB

MD5
9b527cc7775e3fefc75ebd6cf497b81b

SHA1
7405b4528854589bc404f55c0e591d2e534d8d63

SHA256
eb4270d5203fe07ee63a7161093d69577ada5ad4ca659a6181d63953a69bca72

SHA512
6471f61ebc78e6ab30cce7cb444c582a8a24cbcbff1a8cc3d22d20d299d53c6377127e76bcc2a1e2c9108cd65d6fb89d42ddf89b04140c8e225f5115984a4b85

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
7.8MB

MD5
f41c86123eaca23802b7331ede39490f

SHA1
c13cfe521ba7efe86590c701f77dbb8a2ed65058

SHA256
6d1957bdf62e57bcbde72fac80ae5b2840007ca249990a28c39719aa0073d429

SHA512
dec0f84a67fd921a237a982b356565d231c9cd5f88c2819409f19e67d13fe3523358e071c29c5f76283d4b5c2fa0331ae78682ced65359c89ac7ee6fccca837c

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\libstdc++-6.dll

Filesize
9.4MB

MD5
02da828512dcb8d69298b03e0f3dc323

SHA1
6214db010af460b5584f40d49119c0788cadb695

SHA256
37e5e2d07f6cbd0d99c716e988286d4d6e10bb58d3d8205790935c2bcca85178

SHA512
de528cf7d3941245e9b917899864cd5b687a868c13dd7dcdb8124151c88ee63ca8da941d1df70def34bd608c83837dc07f5c1f7e96259507d1ae2532e6ce1ea0

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2800-44-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2800-73-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-103-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-42-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-98-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-43-0x000000006FC40000-0x00000000714F5000-memory.dmp

Filesize
24.7MB

Download
memory/2800-46-0x0000000057540000-0x00000000575D8000-memory.dmp

Filesize
608KB

Download
memory/2800-45-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/2800-47-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-93-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-58-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-63-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-68-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-39-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/2800-78-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-83-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2800-88-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3492-52-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3492-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4680-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download