73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
21/02/2024, 07:36

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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
3372	b2e.exe
3108	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4520-4-0x0000000000400000-0x000000000393A000-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 4520 wrote to memory of 3372	4520	batexe.exe	76
PID 4520 wrote to memory of 3372	4520	batexe.exe	76
PID 4520 wrote to memory of 3372	4520	batexe.exe	76
PID 3372 wrote to memory of 2968	3372	b2e.exe	77
PID 3372 wrote to memory of 2968	3372	b2e.exe	77
PID 3372 wrote to memory of 2968	3372	b2e.exe	77
PID 2968 wrote to memory of 3108	2968	cmd.exe	80
PID 2968 wrote to memory of 3108	2968	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4520
- C:\Users\Admin\AppData\Local\Temp\8EF2.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8EF2.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8EF2.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:3372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\90F5.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2968
  - - 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:3108

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\8EF2.tmp\b2e.exe

Filesize
9.8MB

MD5
c8e535558a43a80a05c5cc950ef59915

SHA1
fd3d75b78eb50fbe6149911de67b5465c42f30eb

SHA256
0f94bc84f56a70a40495005811ed03b45860e26a40097c246751e9e0e30a4293

SHA512
e182cb91b972f0ad7d98b97c64ba37648fb8a1c16b410dc4db19ad32ef59736dbc3c49bf4f832793cc53f756ce14eecda993126435190795d6f730181deadce4

Download Submit
C:\Users\Admin\AppData\Local\Temp\8EF2.tmp\b2e.exe

Filesize
10.8MB

MD5
4a678a36781b4115dd03d60b6a7fbbf9

SHA1
81ab000c6aebd731f9d79b63bcec94632978c190

SHA256
eb9d033b971ec068b9f173a9c398bf74759c423ede10be10e31f5d8f4a39d0b6

SHA512
2d9aaec4a0690aee4130358d986c49cfeda01f8ae48a18687b422dd4d8e6f4e7ca9a812e503b6b258312adf177fff4f27d8d75e9c698cefbe4110d628ad660a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\90F5.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
8.3MB

MD5
23b06d1203e0836260f825531fc8136d

SHA1
7bcf39c28a965cca45c42908b181fd778619fd3f

SHA256
4658237b985bb4b858d94ca6effdf90adb106154e8a38b7d13325d3fe0a7a521

SHA512
3a1ba12815da05841149c075130d2f88f026b22345a5002a7048cca30c3e045cc0555d30d8e75fd4c36ef9fc2ac1ac7da9081747947eff5555a24c302b957f06

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

Filesize
12.1MB

MD5
7d1ec55af20aec2865be11f6e16f6cb2

SHA1
9f31037cd16ad746f8a56e7ce1e65fea14264367

SHA256
35bf135d61e18d88583717035a22c9636c6a6c71eafdf70ba8ad561b3b2d97fe

SHA512
ff975eaa0f4beae56267c28c6833c466a57299c6375c99c17eb27f52d795bbb2ccb94b912722b685cd4e9f3e88759cd3807ff2fbde26f49246ba1bcb851f168f

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

Filesize
11.1MB

MD5
826f80977b5719d1856282077c531a30

SHA1
9e56445a1850881177b4cf55cce691c46f5b97d5

SHA256
88e2999e65c349de3d02df2aa8dd18e625f7f61d24dd4326ffb9ac4bc544b55a

SHA512
00e7f7e8b3fbc6557a7a4c0d612df9f266b2fbafc04676db0d78a6d70c02eb07b4ec719ec08c7a23d120e95d8ff266396a16f8d027c4396189f268a82cb65621

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3108-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3108-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3108-43-0x0000000070380000-0x0000000070418000-memory.dmp

Filesize
608KB

Download
memory/3108-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/3108-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3372-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3372-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4520-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download