73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11-02-2024 11:46

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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
2676	b2e.exe
2132	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe
2132	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1088-4-0x0000000000400000-0x000000000393A000-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 1088 wrote to memory of 2676	1088	batexe.exe	75
PID 1088 wrote to memory of 2676	1088	batexe.exe	75
PID 1088 wrote to memory of 2676	1088	batexe.exe	75
PID 2676 wrote to memory of 2760	2676	b2e.exe	76
PID 2676 wrote to memory of 2760	2676	b2e.exe	76
PID 2676 wrote to memory of 2760	2676	b2e.exe	76
PID 2760 wrote to memory of 2132	2760	cmd.exe	79
PID 2760 wrote to memory of 2132	2760	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Users\Admin\AppData\Local\Temp\96F0.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\96F0.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\96F0.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:2676
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9913.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2760
  - - 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:2132

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\96F0.tmp\b2e.exe

Filesize
5.4MB

MD5
b24dee90464125b7aa1722ac3dbd310f

SHA1
96a06e1f95cb75ee07906e5e56ff6074d121067d

SHA256
cc59021616963d22042442dba9554e838c043750edd7d41774cf1b492ba084d2

SHA512
04e91eb962c068ac8ddfd57c2cbd242fe08919868c50eb1b464f089c9ba261656bf34368ad184a2428fbfd0d0e3ca36481b6d4091a9ac5e3c69ea27d6e8ea12e

Download Submit
C:\Users\Admin\AppData\Local\Temp\96F0.tmp\b2e.exe

Filesize
4.8MB

MD5
15bedbacfa4eca51d4f266ed8af73745

SHA1
e5fce71e9deb0d2615f73a905bf1c0717fbfdcc7

SHA256
5182c5eea9112884f9e8c96b583b56928cf0a4cb42e289bda727625b26df58b8

SHA512
3460446dcb9085e55bae0d8e5b13d98b57f195f371c9724194238219d92f80052013b5fc5d3c038362abb12970fcdd33f0e4e741f9a377d1d5f1365800663ce7

Download Submit
C:\Users\Admin\AppData\Local\Temp\9913.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
3.2MB

MD5
2ea17a6727c749b226d79939f58cd512

SHA1
8e831fa379eabc90201195d512369e39af1fa34b

SHA256
848d2681f294012b2d314365072d71ce0c454f0be6f9171e0de033a63124e13b

SHA512
d71a08be881f843c47067f1b91e0a76dd65207fe0fc4c462501ea575ddb6d0551329db33d3b09ddfae2c9fd42980e81522602f4ff792026106fbb4c2daa092ca

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

Filesize
3.9MB

MD5
536e6e4961f932727cbcfeb0b3fee8d6

SHA1
cb94299c6cfed5f057371abf81f41a51550eeba3

SHA256
b04f4ba1b9647e21eb3d76fe3adf925a3cbee9633292d44d24b50f961d3e578f

SHA512
19a9113ddc6711eb24ceca92a3f84d2cf0365b5f42ef592fbb8209523350fe281855db707be2be270ac37a949048f99a5a78c46e986623bc3b8a66304a3c4c17

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

Filesize
4.2MB

MD5
18076dae7b340ff79321163c3dd5366b

SHA1
222b624974af03757e43dda0bee5c7f8aacfb017

SHA256
7d4ed81bb6ccbe95b3412386c30c5bb20f71e3a651d733d19f339d48dd5ae105

SHA512
3c0509a84bc96aece3b4b186c467f1111a0905a6f0bd72c7d04129fca9004e24794bfe63528c82c5ae66e422320883609741d363718075d60dabd8cb7b1c843c

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1088-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2132-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2132-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2132-43-0x000000006D380000-0x000000006D418000-memory.dmp

Filesize
608KB

Download
memory/2132-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2132-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2132-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2676-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2676-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download