73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
301s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 08:58

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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
2256	b2e.exe
2876	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2876	cpuminer-sse2.exe
2876	cpuminer-sse2.exe
2876	cpuminer-sse2.exe
2876	cpuminer-sse2.exe
2876	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-4-0x0000000000400000-0x000000000393A000-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 3044 wrote to memory of 2256	3044	batexe.exe	75
PID 3044 wrote to memory of 2256	3044	batexe.exe	75
PID 3044 wrote to memory of 2256	3044	batexe.exe	75
PID 2256 wrote to memory of 2972	2256	b2e.exe	76
PID 2256 wrote to memory of 2972	2256	b2e.exe	76
PID 2256 wrote to memory of 2972	2256	b2e.exe	76
PID 2972 wrote to memory of 2876	2972	cmd.exe	79
PID 2972 wrote to memory of 2876	2972	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:3044
- C:\Users\Admin\AppData\Local\Temp\9B07.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9B07.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9B07.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:2256
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9CDC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2972
  - - 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:2876

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\9B07.tmp\b2e.exe

Filesize
7.2MB

MD5
996e73b29a9af5b90b924772133213a5

SHA1
8db98414618c7331aa7793bd63ab0265cb04fc4d

SHA256
9871d7f5833e2f78b558fdf0c996131955a45196afdbb8301ff1d8aa2bf625a5

SHA512
ab951ba3f876ef4060d5740a70299aa1a0232e40e239d136b7a71a4f21d24a2813a4fb807bdaa8e25dcd4628d09d595bc379c3b75580e7b9fe87784c5bd057da

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B07.tmp\b2e.exe

Filesize
8.8MB

MD5
d98c2afd69088e03dc13914e52344e1b

SHA1
20338108fa0c55aa19f22d0e08a6e0a67327ec0e

SHA256
baf86731e9e6ff8b1bd1e0ba3fab97ef3855ecf206884edce08dab28ba8e6b47

SHA512
fdd0a4656fdd12be0e82a77f91d6db56c7cdf12cc56ee3f6cbd0d92af4acd948afa3d2687791813fec23b5f7bff4fb9e3e0a2b27d535e88180c42ed9fd7b474e

Download Submit
C:\Users\Admin\AppData\Local\Temp\9CDC.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
4.3MB

MD5
57a25f89aaedea685b39f97746a6ec6a

SHA1
60c6ed10e981274b667180232310ea0b84baa93f

SHA256
60e4f47a80680fc3a2880862b88a8119e439b72470a5fbfcae24815fa3742653

SHA512
04d80b875a7c779b59fcd4739ff9b45e5cf21cbc98e25f707cdb4b31d03df920de8ec9c9ed27e3db72b6fdc9cbbaef821f7e4e8839c40560908b79a1254b0a92

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

Filesize
8.7MB

MD5
1343d50eae4aa4ba5868d49ac521eea0

SHA1
4e81794a2f3f7459a1c0c066706eeebc2ddec66a

SHA256
70a0953521cdd55c1ce5e56d37eea26be975104bb26e5a5c49c4877560e2f1a3

SHA512
a8d2ec10ea077932e513ba1a4b6439aad5f6dd0707ee7e023cc3d5a3b73a15d761e4912212628b830c8aa66244b932e565e9985af5b49f5cf1525fb0b4020cc6

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

Filesize
6.4MB

MD5
2a268d17d6422e65ed5977bcd8ad9852

SHA1
6d0d46aa6799217efd7bbfcd5309d704706a639e

SHA256
b8f81b7afa44e9bbd4f710a8a7268921ada69ab029ce83c4f8f7ceea04462d80

SHA512
ce0068cf7ec2771151fc0e5220207d40a325207a02577631998895b6e1ec63ae30b6c0a320efac2886fe06e532e5df3959dbecb3ab057502a72430cd225d1d3a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2256-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2256-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2876-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2876-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-43-0x0000000068180000-0x0000000068218000-memory.dmp

Filesize
608KB

Download
memory/2876-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/2876-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2876-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2876-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3044-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download