73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17-02-2024 08:07

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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
5072	b2e.exe
4164	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4164	cpuminer-sse2.exe
4164	cpuminer-sse2.exe
4164	cpuminer-sse2.exe
4164	cpuminer-sse2.exe
4164	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2228-5-0x0000000000400000-0x000000000393A000-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 2228 wrote to memory of 5072	2228	batexe.exe	75
PID 2228 wrote to memory of 5072	2228	batexe.exe	75
PID 2228 wrote to memory of 5072	2228	batexe.exe	75
PID 5072 wrote to memory of 4752	5072	b2e.exe	76
PID 5072 wrote to memory of 4752	5072	b2e.exe	76
PID 5072 wrote to memory of 4752	5072	b2e.exe	76
PID 4752 wrote to memory of 4164	4752	cmd.exe	79
PID 4752 wrote to memory of 4164	4752	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:2228
- C:\Users\Admin\AppData\Local\Temp\8D0D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8D0D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8D0D.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:5072
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8ED2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4752
  - - 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:4164

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\8D0D.tmp\b2e.exe

Filesize
8.7MB

MD5
c7361b7c93b6d14879b57dacd36ae61c

SHA1
6ca7335d2d860c8ef47bc6ab87a4001c6273a264

SHA256
aba8e30bf62468e6e310a5336e44c18bac5fe2a185b4259293c491a250008a5d

SHA512
012e52aa9c58eea02d957cd08654a3a0f488e502922456406dbb6a4abe077d074f37b2e2f67879d9a49fe9619d8136ce6ec84aef4b3c0aa64e760b63b349963e

Download Submit
C:\Users\Admin\AppData\Local\Temp\8D0D.tmp\b2e.exe

Filesize
9.8MB

MD5
4034ec7f76f3c63cbdaab0d3c26e0dc1

SHA1
3b0db9a45f8ccdb18a205f3ab7604a455bc0ac52

SHA256
e162cb24a3abc5b0abb3b74cb5600b298aba00fdf6ac8361306baff22611ebae

SHA512
6b8f358085860888e0533a4fd3d14d581ff799841b1ae209a34c8864a9b3fbbaabff8c1e31c354e35a350443bb3a02b5b53ab2463247c910482b31207540302b

Download Submit
C:\Users\Admin\AppData\Local\Temp\8ED2.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\libstdc++-6.dll

Filesize
6.3MB

MD5
180ddf4322cfee1de9a5b7e614a248ba

SHA1
1d456303589e749082aed40b2046955a8516e045

SHA256
3a65e260e68f63b5b5e0b0961b28c40de1d2f8402579215892a1eeeee32f8a75

SHA512
0fbd35f3dd353ffe97d7f2eacf155880b47e5d5c7072a5775cc9dd367b04decc523bbbd40f024b3beb67d3ae739ae8efcb89ba2c81698c5e2b6bb3eeda300a38

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
8.3MB

MD5
2fa0352055c2704dd182959b1380ea3b

SHA1
2e34c213e1b6e6961ac1bbd7c6f1ca5f9237e39e

SHA256
be40315a78b344bf6db60eff021100cb7d620e58355bbb8a7b2209fd6debfaf7

SHA512
5808f46ae39a72beca165a059efd00cc9d6983cf9b5617abf062182df150425400d07ba91edc8849d368cc1889e100feb1c404aa50c15c8f010a216bfb1bf6b5

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

Filesize
8.5MB

MD5
57712b7ab80576e4d5a03d2e546936df

SHA1
57de54d2e3509ea9b0d61e417be2454d9361c299

SHA256
05442a5f4cf88bd452db0e808a58becd6b01ca4c3ed5404741619dba0cfd9d3c

SHA512
8f6f82ffce9ec6a5d363ccb159fd010da319a7bd48c75a3c1bbf13fff83f75e8deedaf53dee88eb9dafbff193a1b3a984e0da0cd503a4afdada35dbdfa9ea290

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2228-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4164-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4164-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4164-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-43-0x0000000070100000-0x0000000070198000-memory.dmp

Filesize
608KB

Download
memory/4164-44-0x0000000001010000-0x00000000028C5000-memory.dmp

Filesize
24.7MB

Download
memory/4164-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4164-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5072-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5072-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download