73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
315s
max time network
331s
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, 15:09

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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
3444	b2e.exe
3796	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3796	cpuminer-sse2.exe
3796	cpuminer-sse2.exe
3796	cpuminer-sse2.exe
3796	cpuminer-sse2.exe
3796	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1640-4-0x0000000000400000-0x000000000393A000-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 1640 wrote to memory of 3444	1640	batexe.exe	74
PID 1640 wrote to memory of 3444	1640	batexe.exe	74
PID 1640 wrote to memory of 3444	1640	batexe.exe	74
PID 3444 wrote to memory of 3572	3444	b2e.exe	75
PID 3444 wrote to memory of 3572	3444	b2e.exe	75
PID 3444 wrote to memory of 3572	3444	b2e.exe	75
PID 3572 wrote to memory of 3796	3572	cmd.exe	78
PID 3572 wrote to memory of 3796	3572	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:1640
- C:\Users\Admin\AppData\Local\Temp\1AF5.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\1AF5.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\1AF5.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:3444
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\20B2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3572
  - - 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:3796

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\1AF5.tmp\b2e.exe

Filesize
3.2MB

MD5
40889b384a48274d43cff4f5fc6ca21a

SHA1
62bdcdf62b98f9ccaf9f1cc3eaeeb448aa4894e1

SHA256
07f7d84ed5ce94bcb07bcbccc66909550b27f4fc5e8cca3b348bd9b5b172d106

SHA512
bd5ec17399dcf9b857c36e95d01e216b3b0130402d086697c83519f32464e053a9a7d63d3575787059e61e367ce5863161c201b5856d079fc6e6ce83f8b98897

Download Submit
C:\Users\Admin\AppData\Local\Temp\1AF5.tmp\b2e.exe

Filesize
2.6MB

MD5
44a22bffc46958394b11d14ad67639d6

SHA1
e195f9e0742d085bc081ad4f21289252ae00384f

SHA256
0858f87bfb4edd91884aba57c15aeb9f262ade107522921750dc1ace02bf8a37

SHA512
3d73fb3b517fc2e1a21add6c34eebaf6eee41f94809af382fb1da18fa9851f836e0cd6182a57dd3d2cd401ca50b184d00890b4d8865ad76e19652c67e3f9c23e

Download Submit
C:\Users\Admin\AppData\Local\Temp\20B2.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
4.6MB

MD5
fbc6986d0b282044d62bdc8e6ddef141

SHA1
637151872a5e110a0413926fde352a9c5558a269

SHA256
8652a795b0c60dc45c16f5da4797c14fdec7c23580b753b2a557403d61ab416f

SHA512
069262697158ef0a71a9ff0e77e1c6064a6e9e1886b9ba4d1ed6acdd4a9a8e3969c446c0345c8b8ce017f82f7c63111c2f2b76d74be3e395302e1cda7e52af5e

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
7.6MB

MD5
73980b6219fcd3efc6117073d7bf592a

SHA1
45ea632fb4e1bcff2448171d14644ec07389b058

SHA256
879a779688773eceafdbaca8b2551ba0551312c192a1cd3b326839603a575d6e

SHA512
e46b3f5a0a30d449e950102df65e0b8f6c093e6173c881d86042811b654f2cf2118431443455ed87c6434e64933d20fe25c67ad0e998c012ab1ce2e35f606ad5

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

Filesize
5.4MB

MD5
0023b0861a58051495660549b7d14e2f

SHA1
8278534cf875529aa847bbb151717762ff6eb767

SHA256
82a3df9dc87a626cef68fdb65de6ef7f391e28f4088e89188a95bbb0e4ee627e

SHA512
f7a0a66ea3dd6b3dfe782078df36dea47067ccd48dfd12997d4163ea304bb02f3b11dfc9b3f4e8a042eac1cd0ad18ccafec41c24a4f870e0fe4dbe5b272bf4cc

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1640-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3444-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3444-60-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3796-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3796-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3796-43-0x000000005E7B0000-0x000000005E848000-memory.dmp

Filesize
608KB

Download
memory/3796-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/3796-55-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3796-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download