73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
max time network
305s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 03:36

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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
3008	b2e.exe
2192	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2192	cpuminer-sse2.exe
2192	cpuminer-sse2.exe
2192	cpuminer-sse2.exe
2192	cpuminer-sse2.exe
2192	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4560-4-0x0000000000400000-0x000000000393A000-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 4560 wrote to memory of 3008	4560	batexe.exe	75
PID 4560 wrote to memory of 3008	4560	batexe.exe	75
PID 4560 wrote to memory of 3008	4560	batexe.exe	75
PID 3008 wrote to memory of 2996	3008	b2e.exe	76
PID 3008 wrote to memory of 2996	3008	b2e.exe	76
PID 3008 wrote to memory of 2996	3008	b2e.exe	76
PID 2996 wrote to memory of 2192	2996	cmd.exe	79
PID 2996 wrote to memory of 2192	2996	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:4560
- C:\Users\Admin\AppData\Local\Temp\AFC8.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AFC8.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AFC8.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:3008
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B43C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - 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:2192

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\AFC8.tmp\b2e.exe

Filesize
13.8MB

MD5
61886b50887e3d2df383cc576fbed142

SHA1
16104ca0c52c7570cb9a201bc42a5a2b71620af9

SHA256
d414f7c759413933321e63e6882dcc58693cb58e08ac25591d5bb50956ef1d8c

SHA512
f80b4a7c4a8e2aeabbab6c97d3fb3e9973a1d70e08a56bec42cdf54c86fbb7bf8af4e3b785fd39a88750daff2bc8598ec4eb0850d6b569ee3408c6cd14b261d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\AFC8.tmp\b2e.exe

Filesize
15.2MB

MD5
9348657fe9f4b016c47a7b86b326c4f0

SHA1
b3135811f05b09fe2c9f038b74061c2dd415090b

SHA256
ceb6089c9ce31751955d7eb9c849b37debf35e743ebf4668e28c952561c28125

SHA512
090e6debe84f23033ecdcb458e98ffbe4e3c5ae90525e72c719740d811a3429a1e2d9b0ab9f8e2916f34ddcc9b753cae65b74dcf261f0b8ae4e40315c85ef7db

Download Submit
C:\Users\Admin\AppData\Local\Temp\B43C.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
1.5MB

MD5
4b6bf35e91362cd963e4ef4cdb40ba1a

SHA1
f3c4b4e55f18491cd7dfd5e121994f55d67678ba

SHA256
4e68fdc897591b3489a0df8efd1aa38e5a617c077ab638846c84e5b4c8984ba3

SHA512
bc58b39b90ca9950f141c048d0ca9c8555f6393ad14ca103c912ff1ea11ebe16191984bf5059575ba9638da88fceb1e007610f3acfbc9bdef894071bdc3121d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.1MB

MD5
2d783659d22e63e4bc8e2a88692e33b9

SHA1
ac6f3ef5aa027eaeac370b08d8ef107540310a31

SHA256
f943a0918913d80c317b5c869c4e5ccd19663aa53f01cb70d29064a8812d0f55

SHA512
b24bbbabab2606dfd569e2539801c931418421578086bd478b72002b5053b3db5fe277f0c312489e74549d7762aeb374e067f1ffd2a6585ed2d68bd05517e375

Download Submit
C:\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
1.1MB

MD5
2692108220b7c19f29f5c059e25d0898

SHA1
de1574a0fab6fba6471a7bddadf38a71e67fa4e0

SHA256
b03484a95e261040d2980853e38add65f2288d69744ca2bfdf5e72c897ddd80c

SHA512
0aeb1f5059d42b5138208956f1ea8bf66ff7649848aee15b9f1dfc489e4dfc5c71a068e5161506bde0925dfe8904f9b99f9cfab835aa094be3293b42a01014a2

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

Filesize
901KB

MD5
e8754ce76d9c9a7dbc0ca292625c479a

SHA1
c1d36145e94586599ed8d88eba125e01a40f205f

SHA256
f5eb6d9b448efe332f7941b9c3a5a4ea4a93ff23dc7d21212db7687c9dff3e1d

SHA512
7251602ce86bfa53d69650b5f7a0513a6a6dbe8a3ab5f48f7f5fbbc67e3c39cb789274278a83f75bbb73e3999de4a66e9a2155ca5e8dd3ced8c1f525d4135478

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
837KB

MD5
ba89d2d39192016f7a8d4a9b5d023770

SHA1
22cb7a86a1e9a278c6f16d446171987d3aa90a68

SHA256
3faa4423c734ce9974c87283aa2758b9c3f80ef9687d9fb5b2453d163931b64c

SHA512
f4e27c3ba85e93fe1ca94e74a5a8be63d6483ce76f9db12cccaf8369c2cd46fc793353f1c43fbd0bdff37b5d04d3e133931182e25b87a2d8a279ebed2053f026

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

Filesize
912KB

MD5
3d2695553f126d10da426508d63bc9b5

SHA1
678db6caf4721625a6504c01f6dc3419006546b0

SHA256
6674e600cfc5604f9430f997d7a9e1a3bdc968a18b1f041a260abbb00b696101

SHA512
742b7b62a5941baaacf51dbed5b39e7175a4381699d887d4d7c511db41075a5a17ff3a2f2510f9fa091258eb879159a7eb06e68ecb8ef33f7179488391a1f6db

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

Filesize
852KB

MD5
4beab64a9143e3bcdd09980792318253

SHA1
e98f0cf44c7bcf828fb2f5eeb9cc4487eb822b16

SHA256
114498441a50f3f49bb23db7b2d534c5b6d39deb7788342ea56db0fbdf4e2e78

SHA512
8dc6ebd9778afc516df460ebfe5ebb7f9755c65e93c3d62f77695ae9eb46cb6cfbe7a0adcdcf9b656db0912cee1a1097b3ee140b1d09c732f6cf82017b1e8358

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2192-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2192-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2192-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2192-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2192-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2192-42-0x0000000055DA0000-0x0000000055E38000-memory.dmp

Filesize
608KB

Download
memory/2192-44-0x0000000001030000-0x00000000028E5000-memory.dmp

Filesize
24.7MB

Download
memory/2192-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2192-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2192-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2192-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2192-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2192-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2192-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3008-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3008-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4560-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download