73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18/02/2024, 11:30

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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
3764	b2e.exe
3348	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3348	cpuminer-sse2.exe
3348	cpuminer-sse2.exe
3348	cpuminer-sse2.exe
3348	cpuminer-sse2.exe
3348	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4652-5-0x0000000000400000-0x000000000393A000-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 4652 wrote to memory of 3764	4652	batexe.exe	74
PID 4652 wrote to memory of 3764	4652	batexe.exe	74
PID 4652 wrote to memory of 3764	4652	batexe.exe	74
PID 3764 wrote to memory of 4288	3764	b2e.exe	75
PID 3764 wrote to memory of 4288	3764	b2e.exe	75
PID 3764 wrote to memory of 4288	3764	b2e.exe	75
PID 4288 wrote to memory of 3348	4288	cmd.exe	78
PID 4288 wrote to memory of 3348	4288	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:4652
- C:\Users\Admin\AppData\Local\Temp\D34E.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\D34E.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\D34E.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:3764
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D62C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4288
  - - 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:3348

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\D34E.tmp\b2e.exe

Filesize
7.0MB

MD5
ea4169b5e074ca19434696e9a38afb62

SHA1
316412fc899ca297ed1b34c864ebd14492cbcbb8

SHA256
e46faf8245278fdf9310d9e1ba046467e2c83dc517a8762ca699783d178ed260

SHA512
aba881438a4647f51d3f17473d528bd31123a03cecd18ca22b1731b6ee6e77451d01ebe405e5cb6fce318ab4651c1e02f16f285ef79f2b6c15512f76beec7866

Download Submit
C:\Users\Admin\AppData\Local\Temp\D34E.tmp\b2e.exe

Filesize
5.2MB

MD5
b6b770012cdc15d7d0e66c1998e13af6

SHA1
1ad19f8778ae9dfd4b961f361eb7f475c5bf6e2b

SHA256
adb463226c20ca6d6cdd52e88f3c7b856d2405986a9712aad09cef0e50ac4851

SHA512
0757eb991c65834e6592c536130acdb2d05bd40c9612c4091a03565b90190643c26ec4def70ba091121b9eb1f52a3d46901aef957309ba87a9d056d0ce169e92

Download Submit
C:\Users\Admin\AppData\Local\Temp\D62C.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\libstdc++-6.dll

Filesize
12.7MB

MD5
714f5f7318684dc7f76323ad7d9f531e

SHA1
d6ddcecf163ef767e83c802cd1c55da5e0c5cdc2

SHA256
0a9611f98e837b0b7ed8c2cc53f96b5cb552764d68a91df2d125f0ff8fc8e5cd

SHA512
1f39406683af79317a859ada482fe0c3890735a9b96ad9ab725d75ad6af51638bff860740fac92085ab1eb63228fea290cae09674303706827cb2843e320202e

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\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
10.3MB

MD5
bf3322dc650824df66c0380194eb3a3a

SHA1
e3a18c94f60df364a69260a369920da8c8ed75c8

SHA256
e59fb10e90ddc73b02428948a4c4449e80b15f123424fef212c2b16be727647b

SHA512
cb2cabe82ebb1a0ba4b2cf9ef9bdc3505a147465aa51c110a24a4b20f4995a4fc58a98daeee2152484c9f822a635a81d471cc5399a490aa90c483edad6554048

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

Filesize
4.4MB

MD5
39710041293b204f41d33118078131b2

SHA1
283af7d0c3c59bdea29787b3a91c9cae8930afe1

SHA256
05c973d37615e361148c9998e6163ed3675d702945a69634ad319277e7e71d95

SHA512
e2682d4ff164a49b863aecb74691b6057db146733834fe5dcf53abb9c2946f6b75c9d323fceaa2ce2fa0d149676329ef326e9a744603b3b03f356d63cd3b325f

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3348-42-0x0000000069FA0000-0x000000006A038000-memory.dmp

Filesize
608KB

Download
memory/3348-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3348-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3348-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3348-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3348-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3348-44-0x00000000010C0000-0x0000000002975000-memory.dmp

Filesize
24.7MB

Download
memory/3348-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3348-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3348-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3348-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3348-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3348-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3348-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3348-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3764-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3764-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4652-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download