73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17/02/2024, 18:20

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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
1244	b2e.exe
4348	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4348	cpuminer-sse2.exe
4348	cpuminer-sse2.exe
4348	cpuminer-sse2.exe
4348	cpuminer-sse2.exe
4348	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/700-6-0x0000000000400000-0x000000000393A000-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 700 wrote to memory of 1244	700	batexe.exe	73
PID 700 wrote to memory of 1244	700	batexe.exe	73
PID 700 wrote to memory of 1244	700	batexe.exe	73
PID 1244 wrote to memory of 4956	1244	b2e.exe	74
PID 1244 wrote to memory of 4956	1244	b2e.exe	74
PID 1244 wrote to memory of 4956	1244	b2e.exe	74
PID 4956 wrote to memory of 4348	4956	cmd.exe	77
PID 4956 wrote to memory of 4348	4956	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:700
- C:\Users\Admin\AppData\Local\Temp\AA98.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AA98.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AA98.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:1244
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AF1C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4956
  - - 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:4348

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\AA98.tmp\b2e.exe

Filesize
11.5MB

MD5
bf55dc7f7102a46baa5439bd5845856d

SHA1
7f417ff395352ff3cc49a7e8373f8e2f4a880dee

SHA256
4b36e460789d04ae97415b3773abec77364ddcd9ffe1224228cc6199dfe26bdf

SHA512
ff802b04a9a04264565153711dada9942981f405d75d3851027cc06dd38f05668ab9e13a0d4fad1c0bb12dbe05ed0fb1e88684a8b27348570ea5f9d33b3ade1f

Download Submit
C:\Users\Admin\AppData\Local\Temp\AA98.tmp\b2e.exe

Filesize
5.5MB

MD5
0ad53d7b986c276014f2d1a7dccb9098

SHA1
a115e1ef8975ca941c9a6a9760da55936b9fee86

SHA256
c98e43d8214635ce3dac0a2e2b20cdd81e68066fea3163de86e652b1d8a13beb

SHA512
bbd5d329ab5ba79faf5ec6c7133b1693e90aaa077165f666dafd3a06b730f06f254c09667dbe3bb3baf9c2df149471898c23833443aadfd43c08e7c1d852d853

Download Submit
C:\Users\Admin\AppData\Local\Temp\AF1C.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\cpuminer-sse2.exe

Filesize
2.0MB

MD5
328913c65f71e9ad28dd46b0413ac1fd

SHA1
192298a643024d4f311f56fd06f960397b452df3

SHA256
04ac80a0c1cdc6b826fd4880cf841d8e47076946b431904e482a34da5ca83fa8

SHA512
4b93dfe2b931961d60ae553b9b84f0dbe4d9674571c52e80529f63c4cdfeb65bda60327b52ad6f73fe668448fa409c3dae819e8ae5496cb31555656c7133b2f5

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

Filesize
7.7MB

MD5
62f7d2cd3a3595de7df5a64285232393

SHA1
4aaf0508b7cdfae05d97c17640c39fd5fbc0ae3a

SHA256
5570444a6c73a1938d3e32d21d014a9e8ff677ff470dbc27871e75fd5bde9b1f

SHA512
7821fcc1defba477fa42c6cfd1912a9b7b6a66c390726726808c62e13e8f7d2fa4bd0cf052f18445cf8e07567e54219f6302e051e4707dd59677695b28ca7552

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
9.8MB

MD5
7769860df6e782024e64702601a827ad

SHA1
d1fd441944beba627010ff16af3157716412b44d

SHA256
5cfcba88c0b154ec2beb0759056f0c74209924a640e05ca9e8a2837c91d0c1cd

SHA512
ce79a0f5a08c49946b789ac220e7d542c6344aea4ea3791ba3d53a696b9bf98e6a4a84711ce5c8cea795ace0b7e89f77cd5378a4bd3507f70d85142d0fc53278

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

Filesize
8.8MB

MD5
e083c6d89cc8d1a767c7c6815ecf0980

SHA1
902bdc54f04387d170a3b162dcf2e8f628965db5

SHA256
2ae8adad8f01fcdffc027d34240e4d89bf6f5dda61e0d838afe859af6458c70c

SHA512
fb5e01b2172c458f822e6c3455f6a54e5ae37ba15af0bc054ec348618d07764b5833c9b7cf05fc71b7d71315f0f41f01bba6ce48a06925afd350f61d13625382

Download Submit
memory/700-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/1244-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1244-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4348-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4348-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-43-0x0000000072E40000-0x0000000072ED8000-memory.dmp

Filesize
608KB

Download
memory/4348-44-0x0000000001150000-0x0000000002A05000-memory.dmp

Filesize
24.7MB

Download
memory/4348-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4348-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4348-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download