73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
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 11:41

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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/1284-4-0x0000000000400000-0x000000000393A000-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 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 4500	224	b2e.exe	74
PID 224 wrote to memory of 4500	224	b2e.exe	74
PID 224 wrote to memory of 4500	224	b2e.exe	74
PID 4500 wrote to memory of 3128	4500	cmd.exe	77
PID 4500 wrote to memory of 3128	4500	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\C42B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C42B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C42B.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\C91C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4500
  - - 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\C42B.tmp\b2e.exe

Filesize
128KB

MD5
272c54a9b6cdfa558e23cc257343048a

SHA1
7f26d86cf2a3625ce3e70c9cfc9b0cc075b8d5aa

SHA256
1d7e7ea2934d091cb7ab81c31e31b4015e05a9f86b213f9d78b0297c88fb3415

SHA512
5139de29262ba7091e5ab0529232912aea9ca34fdeb16165021d3ccaba1d351abc59f2130eaa6af8c3c0510db5f649095f7043ea837267dc9eb4ce0169fa18ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\C42B.tmp\b2e.exe

Filesize
832KB

MD5
e1bd95ac3f9c6ce43914de2a53967fee

SHA1
3e03982c075df051d5a8dd837f42873f30483faf

SHA256
45c3475b58fbaa942be0297167c5c3fbbfe7295aa3fcbb4fb61df1348f55c550

SHA512
2166424e86301bbe04fbcce5d0b91562248845c5b1a7e889fee9a95d1c872dd6ea5cc85792b54e6d085095339be2f2b7f30cfd9b40a071b51c96a5009cc96f00

Download Submit
C:\Users\Admin\AppData\Local\Temp\C91C.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
8.6MB

MD5
75928a97714b19904b2a87dd78810388

SHA1
b4e25a0a360cdc53226cdf3f4245a23766972fba

SHA256
16d8e9236a24439b108246a8692dbfbcb843a3020df5ea89d45ca1fb6308cbfa

SHA512
84d0f3145169499028a2725fe0b7f190edeb2fde327a04215f07a8c155d704313c423f26f5d63da5f2fbd480f1cecfc03cf3616635ced46364528b1f0a026939

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
6.9MB

MD5
8c21367b41e5d89e67d8ae13fe0e1251

SHA1
6e389dca0e8d2582feb01d03055b63f17f664a77

SHA256
600b673684bf7bab44bd05f1812bcc95cb2d7b68fea7379009313d6de3ea93ad

SHA512
bf035dab87d312911503a6a35b0619d3c26afecb67204c8b75cbab3453f68e0b5ed8a550918c1a1439a4010beca087da2d12bbd96f6bba1ea367832ff3afb9ea

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

Filesize
5.8MB

MD5
79f30eb5167f995681800c2518aa8e37

SHA1
5e121a4568798083193ca5e80a62f4ead41d7518

SHA256
04d1a3417abfce718f42008cc05cf95beacec714ef4d411a4f2b53e34f903897

SHA512
b63b549073b2a420829c26908b87539fc29c86a4bdc2cafd1f8cf8e0af95ae97a26d86d38d1e73aaa0dbbd2440dbbfc4c5865cef7682d00abdee868a24d928d8

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/224-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

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

Filesize
20KB

Download
memory/1284-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3128-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3128-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
608KB

Download
memory/3128-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/3128-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
2.4MB

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

Filesize
2.4MB

Download
memory/3128-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

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

Filesize
2.4MB

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

Filesize
2.4MB

Download
memory/3128-71-0x0000000000400000-0x0000000000667000-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/3128-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download