73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14-02-2024 11:59

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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
2136	b2e.exe
4432	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4432	cpuminer-sse2.exe
4432	cpuminer-sse2.exe
4432	cpuminer-sse2.exe
4432	cpuminer-sse2.exe
4432	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/220-4-0x0000000000400000-0x000000000393A000-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 220 wrote to memory of 2136	220	batexe.exe	75
PID 220 wrote to memory of 2136	220	batexe.exe	75
PID 220 wrote to memory of 2136	220	batexe.exe	75
PID 2136 wrote to memory of 4724	2136	b2e.exe	76
PID 2136 wrote to memory of 4724	2136	b2e.exe	76
PID 2136 wrote to memory of 4724	2136	b2e.exe	76
PID 4724 wrote to memory of 4432	4724	cmd.exe	79
PID 4724 wrote to memory of 4432	4724	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:220
- C:\Users\Admin\AppData\Local\Temp\98A6.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\98A6.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\98A6.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:2136
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9AF8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4724
  - - 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:4432

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\98A6.tmp\b2e.exe

Filesize
7.2MB

MD5
091c8dbb1cffd1963f3e2dba39d926f8

SHA1
b31c110dcaaa4dbb626a2513cf1726e048f3b0ca

SHA256
169d06a1559ba880a0f60e733233ccf86f6fdaadc0a3ca4f17617fe103d99133

SHA512
e313459b8917584e440def9bc39c4109cade22f1e53559715e02b8bd05a4ceedbe1e19bae3b565426cd27125efcddeaa38f0a0c7c9c79a0826c5badc79520345

Download Submit
C:\Users\Admin\AppData\Local\Temp\98A6.tmp\b2e.exe

Filesize
5.1MB

MD5
d73ac6b82119b9ae70357cfbc36de495

SHA1
c854b8a16ac153d527556767cb1a5acce3712ed5

SHA256
9763c8b7343fbfd51015830c92011a6ec770c97e680af299e76e30775979e9ea

SHA512
d2a110de8d323bbc5edac26f79f5701cd8bf563f7f3095251379a4279461c12e39754b1737520da23ba3dc87be0432416cb8b483576bdae57aa19420401ef7fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\9AF8.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\cpuminer-sse2.exe

Filesize
2.1MB

MD5
8bbbcb622aa84bb0f7357377b2222c46

SHA1
62762a111de9135ba4349c4c88dca9f5807eb0b8

SHA256
18dd75c0de5ca8ec779bec331bb8d2ab9e498a93da04d2672a68352aebe85f7e

SHA512
5c9576ebe66e1cc807ddc5c27599a392830ba320f608af13c859cba94cbd7f4725a9cfe3a785ce95bc0c748bb1c3264801c66ae35d835ac01e0656edae50bf59

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
2.1MB

MD5
ec932c2ca42004cfd3bd65bff70d2d6f

SHA1
76204fe0243fe866a664baa4d159a1532b71c866

SHA256
99d67f3052a2b9ad8e578650c87bc3c7609e78f281b12bb7575f04f1e39e376d

SHA512
0176709ba291fb70c9b752e39850f2b7471764d684bba157abd7f3957704ad7153a7eb638cfa8408c3d06307f43d757535187a81f7e722a84b341f596ef18f0a

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\libstdc++-6.dll

Filesize
2.7MB

MD5
2da3d9a434bad0b30af81306a7705c98

SHA1
1ede458ac70e1bc4da290843582a75eda25e587a

SHA256
d9915612b546fe1c97bd1ca9604e0e61ecd4cda698b210634454663bcf7ef192

SHA512
2cb215202ed5b0f06ff97822037c5912b334be08108d78800b2257bd5f23eaf7be6652bc5b0b5049d79ac3e13d6989fd2d98de2ad1fb25ffbd7a2bf4e9744d48

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

Filesize
1.8MB

MD5
d1651afc8563eda781b703f097efa317

SHA1
5f2e1aa5df4b62679e9255f4a7c4cd78b7d7b9e6

SHA256
3512e15316eb9ff55eb984b65f0becaa0010d875f65edef0d1e0a3133b37af3a

SHA512
30c5a2d6417940830ca370c0f362152bd0cdc0b3e4f6626ab5255189837640e12483086e7328c84c2c43ac010edbe54feac1663ab1a953ce9a7631743482a9ca

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/220-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2136-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2136-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4432-43-0x0000000059A30000-0x0000000059AC8000-memory.dmp

Filesize
608KB

Download
memory/4432-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4432-44-0x0000000001050000-0x0000000002905000-memory.dmp

Filesize
24.7MB

Download
memory/4432-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4432-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-89-0x0000000059A30000-0x0000000059AC8000-memory.dmp

Filesize
608KB

Download
memory/4432-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4432-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download