73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
305s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 05:02

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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
1936	b2e.exe
2380	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2380	cpuminer-sse2.exe
2380	cpuminer-sse2.exe
2380	cpuminer-sse2.exe
2380	cpuminer-sse2.exe
2380	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4388-6-0x0000000000400000-0x000000000393A000-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 4388 wrote to memory of 1936	4388	batexe.exe	75
PID 4388 wrote to memory of 1936	4388	batexe.exe	75
PID 4388 wrote to memory of 1936	4388	batexe.exe	75
PID 1936 wrote to memory of 3108	1936	b2e.exe	76
PID 1936 wrote to memory of 3108	1936	b2e.exe	76
PID 1936 wrote to memory of 3108	1936	b2e.exe	76
PID 3108 wrote to memory of 2380	3108	cmd.exe	79
PID 3108 wrote to memory of 2380	3108	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:4388
- C:\Users\Admin\AppData\Local\Temp\E01F.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\E01F.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\E01F.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:1936
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E520.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3108
  - - 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:2380

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\E01F.tmp\b2e.exe

Filesize
768KB

MD5
41acb3c7c35169437c8e50c36e39f5a5

SHA1
6b7a95c8fb404247edb7430b46e931495eeba0d1

SHA256
77003c5f07279f31ace3879feb99ce0568a05bc7bc56ecd5707bc0581cb6016a

SHA512
670b258078f3ccd9e3e710a994d95d406094dab87b4e4e11e3b312a7883631877ea896bc53150cb8b9bb8a0500df129005973212fce0541978df505edbe7d145

Download Submit
C:\Users\Admin\AppData\Local\Temp\E01F.tmp\b2e.exe

Filesize
832KB

MD5
e1bd95ac3f9c6ce43914de2a53967fee

SHA1
3e03982c075df051d5a8dd837f42873f30483faf

SHA256
45c3475b58fbaa942be0297167c5c3fbbfe7295aa3fcbb4fb61df1348f55c550

SHA512
2166424e86301bbe04fbcce5d0b91562248845c5b1a7e889fee9a95d1c872dd6ea5cc85792b54e6d085095339be2f2b7f30cfd9b40a071b51c96a5009cc96f00

Download Submit
C:\Users\Admin\AppData\Local\Temp\E520.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
5.5MB

MD5
571c1320339275439449b79a8db289fd

SHA1
3d0b4864f6d4d33eaf00440bb80c09645c9840fb

SHA256
61c498824eb4a5c37450137abfa6799de6b00be572e2d051026d42f10e628f56

SHA512
276c8dbd30c414fe363a2087d2a968be88b74cfc0574d90366cba41fd48649f6222a41590311ab206c6b1f5efda95e75f5a55fda084862555f5162115a4bcc60

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
3.1MB

MD5
fa6bf44a6b32ff3c7a8b5b38a672ebd1

SHA1
c7b47dd5aea1dd9a807140daa88db29065cba784

SHA256
2adffd78e00ab5cb8c8a5c55c7e234adb29437d4cfb4c8e3745f02b61f45ea5e

SHA512
59e91be8e3b68daad169a70b0c4f4daf0e9b62f5d1d8981443c5a25595aa24da00747b3a3e10abb150c114911b6a30ebd3b1782803b541895f9ca083cbdef2c7

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

Filesize
3.3MB

MD5
cf31eeb9754390d2d235192b936aec14

SHA1
f9107a249e57a65a36ea97d23ab303b5f47a4ba5

SHA256
85ed620f3e21288ff33a6cf5b6528094745e60d454e258c7d825493774e0aef0

SHA512
0f7adb141a3b1f7ea34e3bfeabb818aa9e2503939ecdb4efd121d2163d756ea4f65185b00f7874fbe1e595aee6bda043e5db0c643f8d19e482f540234d2d2b0d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1936-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1936-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2380-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2380-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2380-43-0x0000000066870000-0x0000000066908000-memory.dmp

Filesize
608KB

Download
memory/2380-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2380-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2380-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2380-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2380-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2380-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2380-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2380-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2380-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2380-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4388-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download