73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 19:32

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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
1280	b2e.exe
2196	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2196	cpuminer-sse2.exe
2196	cpuminer-sse2.exe
2196	cpuminer-sse2.exe
2196	cpuminer-sse2.exe
2196	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5060-6-0x0000000000400000-0x000000000393A000-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 5060 wrote to memory of 1280	5060	batexe.exe	75
PID 5060 wrote to memory of 1280	5060	batexe.exe	75
PID 5060 wrote to memory of 1280	5060	batexe.exe	75
PID 1280 wrote to memory of 3104	1280	b2e.exe	76
PID 1280 wrote to memory of 3104	1280	b2e.exe	76
PID 1280 wrote to memory of 3104	1280	b2e.exe	76
PID 3104 wrote to memory of 2196	3104	cmd.exe	79
PID 3104 wrote to memory of 2196	3104	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:5060
- C:\Users\Admin\AppData\Local\Temp\9990.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9990.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9990.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:1280
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B84.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3104
  - - 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:2196

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\9990.tmp\b2e.exe

Filesize
11.1MB

MD5
db594a6eb1863a13e8751f6d7e7bae28

SHA1
c81236a07f9f26c7a76c371e3980adf6a8f54aa4

SHA256
2ba46b55f6591a336bee1afeeeca3ee64f892446482b16e38a411e045923c6e4

SHA512
32cf65807dd2b170191aaf4dda76b88e4bb7a512f5847eedda1ac0f9e932e837610763177bec511afb5a43678e21694310cd8af1a5e0bba9a2bf5bc0878e0452

Download Submit
C:\Users\Admin\AppData\Local\Temp\9990.tmp\b2e.exe

Filesize
11.4MB

MD5
256b031d3bc7044a4a47f306384b2cfe

SHA1
15c691d78a15c13fc4bea886ffa3bff94a3f5d25

SHA256
375df987d9b72fbd217a4e0bd9d65000d95d60b32404078ca1da85dd1f7ee059

SHA512
4f63fd3ccb1ee48ed493586c315973cb5ca66693e47fa7355b3a5668275b8abae002033a2d5ce6d5834fd32c85eeea537b3c45854abb28056ea48e331ae5c83c

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B84.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\libstdc++-6.dll

Filesize
5.8MB

MD5
bf1a20e3060ff1cb932eae9ddcce8e9d

SHA1
a68fb11c07da74852dcd100286a8717097593bfb

SHA256
0a8afe6364af2f95f7c3a5af17a068ccce2decf15cf263bd223fcbe277c62918

SHA512
a07fc31eb93645a60ef88fb985a281aadf1e5b9400f65fc4edf8c989aaef15c76fd9ea7520c403c18738a2dbd31093e000246a13fe6e9d4ef8342f0c99106e5a

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
6.3MB

MD5
91522a7e2c5e5fff54fbdba2412ccbf5

SHA1
12167e757fe336d5d6f7269ade6fc46a2c85f252

SHA256
ce8da12098b3026f19b5925d2c096139780160ef7ae07a138d5e15a014497cc7

SHA512
0dda612dd9a558cd1256d4a2157441b804cc829b6e749cd7659b825c4445f31105964dea22e7a0d23ff3791888ed921ba8eef0c2836661df87a5c238d2039550

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

Filesize
6.5MB

MD5
20a96554c3b29add119bc22d161339ba

SHA1
336dccf590964ddb99fa511af63cb9f025017f9d

SHA256
b6ffb058ee844674411ce4ba5c5ed951a21b83c3c943cd217f922f5ebbfdafef

SHA512
7950a661a06e8cdc91bb8008f360af5dc631fa2652f9e9815029bc74205f2bb0907077b1307989200f643218d7bd92209d6e0343579e4eb3ed58a4878b87ea96

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1280-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1280-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2196-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2196-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-43-0x0000000076060000-0x00000000760F8000-memory.dmp

Filesize
608KB

Download
memory/2196-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2196-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2196-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2196-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5060-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download