73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
304s
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, 06:02

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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
224	b2e.exe
3128	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3128	cpuminer-sse2.exe
3128	cpuminer-sse2.exe
3128	cpuminer-sse2.exe
3128	cpuminer-sse2.exe
3128	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1284-5-0x0000000000400000-0x000000000393A000-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 1284 wrote to memory of 224	1284	batexe.exe	73
PID 1284 wrote to memory of 224	1284	batexe.exe	73
PID 1284 wrote to memory of 224	1284	batexe.exe	73
PID 224 wrote to memory of 420	224	b2e.exe	74
PID 224 wrote to memory of 420	224	b2e.exe	74
PID 224 wrote to memory of 420	224	b2e.exe	74
PID 420 wrote to memory of 3128	420	cmd.exe	77
PID 420 wrote to memory of 3128	420	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:1284
- C:\Users\Admin\AppData\Local\Temp\C757.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C757.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C757.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:224
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CCC6.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:420
  - - 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:3128

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\C757.tmp\b2e.exe

Filesize
1024KB

MD5
55d3fcf113506e85b6cf485f08b11290

SHA1
539d601fdd7e37fe22412d8c73023e21293ac62c

SHA256
519083ea4de496637895b9c3dd7fa5d9fc1140325272570f09aa0d2bad46f2d3

SHA512
62c0dc6a36ef819eede73c8b041fbdf579ec0ae399654a73a4628555bb84c4e1fdcf314deb659f41986204e2d92acd886dd8735a24a150a309d4035b58a33ee4

Download Submit
C:\Users\Admin\AppData\Local\Temp\C757.tmp\b2e.exe

Filesize
960KB

MD5
d15ecf39e70d4d6e278b0da9ff36ba87

SHA1
2139694bf96cc3b6fbfadb8a9c8745b8901bff6a

SHA256
04b2e6191d36dccb7b93c7d207ff16c0702cdec9b64b98206f9ffc7dc7633d54

SHA512
326cdd9b35aa3dbd39d2fd4a22dd78f732d481f05ef6dca085cd086d8ca91502f3be961b44e5c4bbf2ebf947ffc4f1b4d4703593951fce22acaa418a77741434

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCC6.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\libstdc++-6.dll

Filesize
13.8MB

MD5
d4484ce546d74f5ea7de24387ebea961

SHA1
f280fcb9893f697b2be3671d794bb41287a3449a

SHA256
dccdeddad19dc97b001fe8f461931d409872f91d15b23bab43c34a0260f0e242

SHA512
c6d6e9e44816951f946510a84fe54cde766993129333ba00e88c2b8b5b102caa14110dc3e2f49ca007d0c574728f5f2efb872f58c47a8c27b7a984ae267a6480

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
10.2MB

MD5
72ced45429fc6fce1559f9ac7984d4f4

SHA1
ba1bb82c08c629b1c6f4ed602b6be8c30e22f035

SHA256
6e249fa26af95518db9bbb045e4e7cc81c35f5d9ac81e5069b8072ff68b43932

SHA512
b41b835c1a2b37158ad85b91e9e6e421898b2f6a9df074b91d086efcc03d3c5ab0dde4a6d52fe01602ba15de62f7ff07bbc6f4a2a463cf2a272b8381ca898776

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

Filesize
6.8MB

MD5
66fcf40e86654f41cad36f479a6844e3

SHA1
67c105d7cc6234acb7827a146004574bc172f796

SHA256
88fce32ee91efaa9368b398581dc3a7138a878c6a105a1377c2ebf70d2cbe9dd

SHA512
ab3d52c322c1ab2eb041b28b8ad55f0a7884bee7c2312510754ce164beacd6a979e1842498abe4afabb50ea8369df9f7023f08ffd86bbdd1bb9eb963293e193a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/224-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/224-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1284-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3128-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3128-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3128-43-0x000000005BFD0000-0x000000005C068000-memory.dmp

Filesize
608KB

Download
memory/3128-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3128-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3128-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3128-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3128-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3128-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3128-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3128-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3128-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3128-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download