73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
301s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14-02-2024 09:21

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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
2796	b2e.exe
4956	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4956	cpuminer-sse2.exe
4956	cpuminer-sse2.exe
4956	cpuminer-sse2.exe
4956	cpuminer-sse2.exe
4956	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2172-4-0x0000000000400000-0x000000000393A000-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 2172 wrote to memory of 2796	2172	batexe.exe	74
PID 2172 wrote to memory of 2796	2172	batexe.exe	74
PID 2172 wrote to memory of 2796	2172	batexe.exe	74
PID 2796 wrote to memory of 4836	2796	b2e.exe	75
PID 2796 wrote to memory of 4836	2796	b2e.exe	75
PID 2796 wrote to memory of 4836	2796	b2e.exe	75
PID 4836 wrote to memory of 4956	4836	cmd.exe	78
PID 4836 wrote to memory of 4956	4836	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:2172
- C:\Users\Admin\AppData\Local\Temp\92BA.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\92BA.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\92BA.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:2796
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\949F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4836
  - - 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:4956

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\92BA.tmp\b2e.exe

Filesize
7.1MB

MD5
6986f931ebbb84d4c63442ebc06b5c59

SHA1
a3b3b2832489f5587fb552c8ed7595408d78a3e0

SHA256
cec8c3be1b353044b56309565188c02f22d93e4d41abc6ab3f491dc12e7bf02f

SHA512
b7bf7fbeaab7eb64c0a81804e074bb85916d6c9eb9d63dcfbe7b4c9842e988d59cf7a184dfeb394412dd049ddeb02733ce6842865d32cfa4acf2f61cea595513

Download Submit
C:\Users\Admin\AppData\Local\Temp\92BA.tmp\b2e.exe

Filesize
10.1MB

MD5
26ef6871afc346218e16d951ae37a800

SHA1
2372644244d2ea02f6cdf127e1904f265943a7e0

SHA256
4659b8a7526a4dc49f3378628053ed25ea75ede2ff3ca9eda93c2a35e3e89bc6

SHA512
c46d68a4830b16fc2ffb69106b3aac0fba990b9118bc4640bb4aa1d228002c276169b0348e7c2757234d915e14bf5e03b36f09bf512fd3bc42d183578f43c9c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\949F.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
5.9MB

MD5
34d2bb77667eca2cea3ae98de5e2cb16

SHA1
ca58e42f194f42a4fe5034effbfcf784e6405615

SHA256
ec58aa5ff515c4bd86beb31b09ae46bc0167df2cb6c2ebc5d092ff41eed3c286

SHA512
e4dde99b6c557c38097cb58e3cb79f8a01dec65c953d5eb5991cf130550741fe1e2148cf2d395c78c1d81a9aa24aed0af293335f2f30e3499b23f4934edd7845

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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

Filesize
6.2MB

MD5
a2f7333bc282df8bebb04e06fae20627

SHA1
da49034b6f27c43bc5a0b429cb6e8f4847b42b26

SHA256
340a1d9a1c1cd4236cac42ceb3a808d5689acd0010020c3e868b8670508ec181

SHA512
8b8bc61e213741df85cdd9a8b765f572b3527e304f3b9224e40f10fca92be196973ca704bad413613e53df390374cbff3db7fc0a6474ebc30079e036e5f9ef5b

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

Filesize
5.4MB

MD5
dbefe05d4f1077997e9b3986d16468cd

SHA1
6a4539202a5cc50450139045a465ec383ecc784f

SHA256
024f4bb4cf5a27bbc9bb527c496a162763eefd0ad511f4344449ec4ad00e367e

SHA512
d1a8b9a6b30611501dd0ee95fec23619d214521ba6b24bc887bfaa71d9291f2048ccfcba440aed74a5e8e60e1076f07ae73a17010ee0f4e7a287cdd17fcf7e1a

Download Submit
memory/2172-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2796-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2796-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4956-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4956-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-44-0x00000000010C0000-0x0000000002975000-memory.dmp

Filesize
24.7MB

Download
memory/4956-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4956-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-43-0x000000005A600000-0x000000005A698000-memory.dmp

Filesize
608KB

Download
memory/4956-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4956-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download