73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
305s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 09:57

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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
860	b2e.exe
3936	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3936	cpuminer-sse2.exe
3936	cpuminer-sse2.exe
3936	cpuminer-sse2.exe
3936	cpuminer-sse2.exe
3936	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4348-6-0x0000000000400000-0x000000000393A000-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 4348 wrote to memory of 860	4348	batexe.exe	74
PID 4348 wrote to memory of 860	4348	batexe.exe	74
PID 4348 wrote to memory of 860	4348	batexe.exe	74
PID 860 wrote to memory of 4752	860	b2e.exe	75
PID 860 wrote to memory of 4752	860	b2e.exe	75
PID 860 wrote to memory of 4752	860	b2e.exe	75
PID 4752 wrote to memory of 3936	4752	cmd.exe	78
PID 4752 wrote to memory of 3936	4752	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4348
- C:\Users\Admin\AppData\Local\Temp\B650.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B650.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B650.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:860
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BB70.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4752
  - - 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:3936

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\B650.tmp\b2e.exe

Filesize
10.6MB

MD5
d2713ce8cf1f36113cd3e2d8bb2a059a

SHA1
85feb79b4ea42ca55adeb0889d415be42cd091c5

SHA256
d8da87835dd34a5c20345656fe31958c5a7680d42564137f189f1a0d04deeb73

SHA512
25e6303d8c1cd4e44a5a1b2cabfe2fcc921587a4889cab2eaf70f0e52e6037621305a9332b41d227a7406b25a3054b23bc8ed0327a5f02e6058a2fa9e9d91b2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\B650.tmp\b2e.exe

Filesize
6.4MB

MD5
4f7f69275c69ae9c7465de6ade1e57c5

SHA1
2c8c470f382f2f68519a61800bb7646cfbc06a9c

SHA256
1d1a38feebf98d876038ac08880893470f1ba2f5d922cc81a1829227f7c6f3c5

SHA512
bcf429e0e666e90ac8b51a00a5d5003794d40df13c2c8d5f4870d04c8036c21095798ab64821a4c02718427080044becd9972aa52c9b24b925ec504b84eebb4b

Download Submit
C:\Users\Admin\AppData\Local\Temp\BB70.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
256KB

MD5
e0c023f2dc80d8f2415830dcaf9b9e45

SHA1
9806d1f4bd0f76e044071f95f9210b09c2c09fd0

SHA256
dc7de4210ed002ed6ab8340d21f999fd77ff9c1fe4361227ebbe3324b24009a0

SHA512
76d594de32b07899a478e6b1fbe4a158492174439df3a65478b21135aea9695f47cd6b5006d1bb28398fb1b1f0e64f33e839ae16225fe755bcec4d25d3caf0ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
54KB

MD5
5b0e4c645d5f6917662ac594f298a0e3

SHA1
50a14cfc7ceff156e9f67cf76ecb7837713b8d72

SHA256
953c3a0398f106af3e5162a0bfadddfdbca2c5a41267dd3126578f33b7e569ec

SHA512
82361bced4183cc545b6925232e0bcd722fa7a2ecbce47ca75220c0a69587bd3047849483bd908979f29b1ea6280d962470af4abf201f4ac88eefdd70c76e0dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
192KB

MD5
d73b46cd072058efc54c4b3885f47e13

SHA1
84771c2c4f5736ac08497737cba2a8634d9e9178

SHA256
3f62bb203bdcca4e489401897e0558cf33ad6fe890a9987f90f5c3894b965b34

SHA512
519c91b5b5a82c5a755d7d4295c040cfb6b0f029eb088a6bfc428db11e30d7f954ea6fd6de9b083d1781e1142737ea39572866ab5f669848dff7ef0ce34c79c7

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

Filesize
128KB

MD5
9746d1ac79c8b499d8b2224394581fa7

SHA1
36b1985eabfd8131ad9f2b7f69c903a3fce67629

SHA256
77941fbe96e0c797e6cf5419ee32bd3fcee69629cba37750146656a660c37182

SHA512
61a6174e2aced5b85cd614ad2f9d3da24c6b91e1fc04e10ff818222c4323cd043a59708bd35af0de84b004bf492fbc157d72907cd1e7ddf7082fc2a3563ef183

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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
4.6MB

MD5
4999c0236511b50204920c8acee529ca

SHA1
e7a8e5a29cc150384bb6db4886d91ef175b3ce34

SHA256
0fcbf9ccf93e53beb366eb7c67fe3d1f747c693ebec4993b90b42620486dc0a9

SHA512
febdcbd9b3b090fde0c094b6d5f19e203850803abf074e59e0b023b0a894778e6b4811cc66ef3bf05aaf6f501425d25e3c914a875fec851aecc3fe8a82953856

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

Filesize
4.1MB

MD5
4c0e3ab97f5a980f9e93748550fc6a8a

SHA1
d212bc4c9663ca6e2af4a5c45b5f72099a2f3a84

SHA256
94c7a68f43c170c5c8d025b610f879e6225d06f39e249a98831f95644aea8f8c

SHA512
02d14c9244c273775887d085ea884f3ae35bffb4c0300106088ded030e22628a58dd4ec93f78482f22a924e719d97cf4afe192a1312920dcdc5349a6068107da

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

Filesize
33KB

MD5
55abec3ac96795ec5ae278f7a06de029

SHA1
c7fb8c90934a06e01a15c2b0dfea6623173edc59

SHA256
b45dfc338d2d6fb230bda6d0896ac2e48df26a7e3e3924f196aa5077fabea80f

SHA512
3d8a69bfe116e74a5bedbfaf3b6c364244c1b8f129cda9876538dfdbd7027b8336be62bc1ff64757fd1eed4ae4104485806e4f2a0bb1ee6c462d5d45e6452dcc

Download Submit
memory/860-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/860-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3936-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3936-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3936-42-0x000000005F450000-0x000000005F4E8000-memory.dmp

Filesize
608KB

Download
memory/3936-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3936-44-0x0000000001100000-0x00000000029B5000-memory.dmp

Filesize
24.7MB

Download
memory/3936-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3936-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3936-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3936-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3936-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3936-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3936-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3936-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3936-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3936-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download