73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
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, 13:57

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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
4916	b2e.exe
2064	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2064	cpuminer-sse2.exe
2064	cpuminer-sse2.exe
2064	cpuminer-sse2.exe
2064	cpuminer-sse2.exe
2064	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1008-4-0x0000000000400000-0x000000000393A000-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 1008 wrote to memory of 4916	1008	batexe.exe	74
PID 1008 wrote to memory of 4916	1008	batexe.exe	74
PID 1008 wrote to memory of 4916	1008	batexe.exe	74
PID 4916 wrote to memory of 4344	4916	b2e.exe	75
PID 4916 wrote to memory of 4344	4916	b2e.exe	75
PID 4916 wrote to memory of 4344	4916	b2e.exe	75
PID 4344 wrote to memory of 2064	4344	cmd.exe	78
PID 4344 wrote to memory of 2064	4344	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:1008
- C:\Users\Admin\AppData\Local\Temp\8CDE.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8CDE.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8CDE.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:4916
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8EE2.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4344
  - - 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:2064

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\8CDE.tmp\b2e.exe

Filesize
14.1MB

MD5
b6a824b01b09fd8b1c983df6bf4e977e

SHA1
ff777148e4c7b2b727760d992974c87b45b397a3

SHA256
cc7f49794559d81df69a5fc95bed6626fbfb814a2a9491b509259e1810705250

SHA512
caf582fd3f2bca86c0974fe9e7227b36b50178556c47ab03197ea33d61b1b8aceea97adcd97c46461e087a2db7a10550b0e71197da6c2172ee16b86d9c4f38e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\8CDE.tmp\b2e.exe

Filesize
14.8MB

MD5
0e8c819be62134ec05f591a134bb2257

SHA1
3f23fbfcdb8826a6d984745493c31479fd0b2500

SHA256
cf4e3d626866e97119e099bad63bcf9c4a71c7e395747e45410da44e7d61554b

SHA512
08b0bd4045c51849e892016e99bcbe82ce3fa028e07fd2f8efd9cfd74c1dbe0d3e8e10bec0294db6b495340e89c729785adb68cb780dc009878e95f30197d659

Download Submit
C:\Users\Admin\AppData\Local\Temp\8EE2.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
9.1MB

MD5
a54e56721facbcc03fa6d44ee6c9ba15

SHA1
c70917e11e636c5031cd168bcf75b1558f3a58a1

SHA256
63bb31de91ca0fd7af9d8e30fd331adcbeb9bad11217739a8d13b2b9fc85ccee

SHA512
ee95eb6b794f2e4d931bad45e9c114809762af98e39856baa8f58ecce0689bf6bced92cd46bd83ba4c887a7f8856c21735880953f67f7653ca79a8c5da6db968

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\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
13.8MB

MD5
aff5492b0b39a15e5d6ab026b2545698

SHA1
2e676de794fa252107163b81b88cc5bc6206611b

SHA256
9fcdf25c0f82a66258c08707082a06e1086f08f1d21127028b6b0ba7440c0b13

SHA512
0fcb33f6e9046fb4ddfbfc8ced3e60d367930281412e4c1708879f528eda354d715b291db804b78f343507d395eb90ddffc30d4cbc622bd10ba5f985dd7b5810

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

Filesize
12.4MB

MD5
39d230d88d208b76382157e5e290ebdf

SHA1
8ed497954bc8ccc4e5e0f1150a8bf9815ed7802a

SHA256
5ad5f87d0b4a20b342eebe49530f38d7c5557bc9673b0014d0d21d864400a97e

SHA512
b522b5066996f729f64e5f6e90e0e4b30a3c567a05ab5ec2c47fa6e76d02a55c05191ee82a5cef1d00fdd4106ae44504e53d2838ed9379feb5810a24e48f003f

Download Submit
memory/1008-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2064-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2064-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-43-0x0000000051150000-0x00000000511E8000-memory.dmp

Filesize
608KB

Download
memory/2064-44-0x0000000001140000-0x00000000029F5000-memory.dmp

Filesize
24.7MB

Download
memory/2064-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2064-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4916-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4916-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download