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
18/02/2024, 17:38

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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
4548	b2e.exe
2560	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2560	cpuminer-sse2.exe
2560	cpuminer-sse2.exe
2560	cpuminer-sse2.exe
2560	cpuminer-sse2.exe
2560	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2428-6-0x0000000000400000-0x000000000393A000-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 2428 wrote to memory of 4548	2428	batexe.exe	74
PID 2428 wrote to memory of 4548	2428	batexe.exe	74
PID 2428 wrote to memory of 4548	2428	batexe.exe	74
PID 4548 wrote to memory of 3464	4548	b2e.exe	75
PID 4548 wrote to memory of 3464	4548	b2e.exe	75
PID 4548 wrote to memory of 3464	4548	b2e.exe	75
PID 3464 wrote to memory of 2560	3464	cmd.exe	78
PID 3464 wrote to memory of 2560	3464	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\8FEC.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8FEC.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8FEC.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:4548
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\91EF.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3464
  - - 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:2560

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\8FEC.tmp\b2e.exe

Filesize
3.1MB

MD5
117a91d025d2d05425aca76c076929da

SHA1
63501f56b9e665640237f80d3034f4c400e76ee0

SHA256
64ad85c2c8f33c437a280043cee0ec6c8a047586a5d7e8816fccc4b3d07eac18

SHA512
16f7ffafe022eb8a2b997dd2cbe48d668f85b95228c980321a3f22bed761bd2353d32b5d6881c00d7eb771bfcda8a1860db0c73560b56d28b2b8c968156ff4e1

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

Filesize
3.1MB

MD5
86c883e75e6ed2d42617aecbe9772b1e

SHA1
23f3b0897944b0c6d976019c9519d2d059df0872

SHA256
2ceb65fc4cad04a0c697ebb3e13b330af66dffcd497fd615ec787c4556bdf356

SHA512
874e97d0119a85bc3fe4995e4745939a53d6fa68a5cfba5d8aa64be9dc20be960a8e2596b631e39775a52029935af21bee6de4afe11671f2b776d06a5dbdaa05

Download Submit
C:\Users\Admin\AppData\Local\Temp\91EF.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
2.0MB

MD5
450cde8b50606ea96887b6d97322f7f6

SHA1
a5219814aeabdf489b9828968f5a55d10ac7e588

SHA256
409a01857b51e0076adf65208df323316813048d23e610cf65e728e5d14990fc

SHA512
03574bfd2c55fa373d8e7934a16897652310b040e2d8ee729e78d70291464da1f2ef6bb4afb5bf101c83344facbeaf94474c51bb3bf5e6bffa2affc6cd7c20c9

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.6MB

MD5
f66ff2138c294f6561d6536873c36b60

SHA1
1d5fc586808884bb360c2d18d24fcededa9adeb1

SHA256
2888aeec5efce9f076fe88132dde750e7fbbad6e304c189f6d5899aa724b5a34

SHA512
5d78184da34a44cedac3e547c28ed5b223c9df6c08704b1ed635de513a4d9ecc35e50017b5384d715d2c5f3a5d639c2a39002843395011129cb741defe973a1d

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
1.6MB

MD5
fd825d21531af3df7a3702c207881f8a

SHA1
45d0ae594b0d02bfbeb53e0553fc3fd3ae346156

SHA256
d2f0c821413d258fc22e0fdd932331c9704e9bcdd15017bf4bf8f7ca6da48c94

SHA512
6b4d5ac87a1baf6169f00e9927b3f70701381054ee6b4bbcb532d7840c17aba78c00541a10f9bc6998d358b3052ea1a5369c4c6ff27dabadfa65545df08c3d2d

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
1.4MB

MD5
ec4e346cd731ba81958f81934281295a

SHA1
0b3af34c85184bcc64a9087a62c761928b563d27

SHA256
78c770eff464244a346a6bcad2c2981dce72f48bd5fb4e974260ba67f80c569d

SHA512
d414cbcddd9f6aabe24400e77634ce7f2adba8741c56fa8b7161ea55d3348272433accfb7c07f219d2c8f02c7bc263621425816509bdbb94082227a8560c8915

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

Filesize
1.8MB

MD5
56856d2dd4f4534eea29024a39c6cdbb

SHA1
da9ac3f4ea6b64e2fe611476bfa3cd0f941b490b

SHA256
9025607c0e47e7448b971a13c61b9bc47b8bacb599c38e229cd814ebd6666363

SHA512
8246ad3b3b0d7c3d9ef9b8abe6f219e6bb2e80ebd5728e85a3c90fddb9e5ec6f14174298c13c966912049709bac0026efcbad5a65b3243b2246209b401aacd96

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2428-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2560-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2560-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2560-42-0x0000000064810000-0x00000000648A8000-memory.dmp

Filesize
608KB

Download
memory/2560-44-0x0000000001150000-0x0000000002A05000-memory.dmp

Filesize
24.7MB

Download
memory/2560-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2560-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4548-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4548-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download