73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
18/02/2024, 03:28

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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
1652	b2e.exe
3024	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3024	cpuminer-sse2.exe
3024	cpuminer-sse2.exe
3024	cpuminer-sse2.exe
3024	cpuminer-sse2.exe
3024	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3172-5-0x0000000000400000-0x000000000393A000-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 3172 wrote to memory of 1652	3172	batexe.exe	76
PID 3172 wrote to memory of 1652	3172	batexe.exe	76
PID 3172 wrote to memory of 1652	3172	batexe.exe	76
PID 1652 wrote to memory of 1108	1652	b2e.exe	78
PID 1652 wrote to memory of 1108	1652	b2e.exe	78
PID 1652 wrote to memory of 1108	1652	b2e.exe	78
PID 1108 wrote to memory of 3024	1108	cmd.exe	80
PID 1108 wrote to memory of 3024	1108	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Users\Admin\AppData\Local\Temp\9069.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9069.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9069.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:1652
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\928B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1108
  - - 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:3024

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\9069.tmp\b2e.exe

Filesize
9.5MB

MD5
8c5fc7c844c43f115ce88e704f4093e6

SHA1
4081e96d5bf1389685258d595bd4738844429e09

SHA256
c3106cfb79d947992c802ca35a799dd3ef05a863d1cd939d9480457afc2e6495

SHA512
0e6394132aeadb046537ce92e6a31781b88fdb0ed909a3bcfdf4c2b907d8911e9aac63f6960b4f06b55f3d5aedc3c4c2d83964360580d4c88f3c75c47c19770d

Download Submit
C:\Users\Admin\AppData\Local\Temp\9069.tmp\b2e.exe

Filesize
9.3MB

MD5
24a024d3d8873f2d2d9b4b7bb55f3593

SHA1
9dbf82c099c82a4a74653b8d6f8c6176f763498b

SHA256
23527607bac1e7823f371f11d24b3595a80a588ed2fa94a1c975d7d706127281

SHA512
16bb23d84eeae4dd9b5a2a2558eb549457a9939ad716547c32de49330c0335667fc06b88d4890d69158eda0db8aa208895e2d5e49048281d39aca63a410d6caf

Download Submit
C:\Users\Admin\AppData\Local\Temp\928B.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
6.0MB

MD5
198b223651872000a2e6d76c9ebb9ff8

SHA1
cae3aa3ce810660e295f976265e99069bc4f7469

SHA256
4408b40119e76fc8bbe6d54060a97a3f5d7014ecf2091c727a79131890d75790

SHA512
d75bf8632e5c8dbf95a8d2a392e8b62b23bb1dce87876be433d832214ee791d9cb013aed29339e356a808b11e064dcb8c59887414b25ca5c7e89258e72fbe541

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
4.8MB

MD5
dbecb58336e05803a638800ec958c1ec

SHA1
acd3cfd9b980e0e88bc71d9b47506fc8124855a4

SHA256
9abe1eb22ce8777824314f4cd63d81cba5b7c831c0d634503661a1acdd4f9b11

SHA512
5fce92f2cc6c7adb4893520839e9679ab0b653a3a8413bde10a34c4d5ecded76debfe591e342af31f6c6224c1a2c91c61222e7c7d7c536e613f6a64a866f00c4

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

Filesize
5.0MB

MD5
3615fd2f5c46b4e6f611173a4ef5209f

SHA1
64e24db622eeacd28f708fc001521e13f2443189

SHA256
f5fa1cef5a1d7da8ce69a00a925ac36a4c14dd3ba0caa55f0931bd9a4726c475

SHA512
25e23ea185d700940b17b41fb714583ebb0b0073cf8854e4ef790ffb150325dd6cb680bb21e9a6aae03a52eaac75683dcb6fde7d22b5b876b8ed320bff12ebff

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1652-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1652-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3024-43-0x0000000057CA0000-0x0000000057D38000-memory.dmp

Filesize
608KB

Download
memory/3024-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3024-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3024-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3024-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3024-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3024-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3024-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3024-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3024-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3024-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3024-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3024-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3024-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3024-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3172-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download