73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
307s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20/02/2024, 06:01

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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
4616	b2e.exe
1600	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1600	cpuminer-sse2.exe
1600	cpuminer-sse2.exe
1600	cpuminer-sse2.exe
1600	cpuminer-sse2.exe
1600	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/572-6-0x0000000000400000-0x000000000393A000-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 572 wrote to memory of 4616	572	batexe.exe	73
PID 572 wrote to memory of 4616	572	batexe.exe	73
PID 572 wrote to memory of 4616	572	batexe.exe	73
PID 4616 wrote to memory of 4312	4616	b2e.exe	74
PID 4616 wrote to memory of 4312	4616	b2e.exe	74
PID 4616 wrote to memory of 4312	4616	b2e.exe	74
PID 4312 wrote to memory of 1600	4312	cmd.exe	77
PID 4312 wrote to memory of 1600	4312	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:572
- C:\Users\Admin\AppData\Local\Temp\B4C9.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B4C9.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B4C9.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:4616
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B90F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4312
  - - 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:1600

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\B4C9.tmp\b2e.exe

Filesize
2.8MB

MD5
271f1f58742aff0ebf71fc0c3ab4a9cf

SHA1
63ef4434110ac1ca03865b31406c2921e58bed73

SHA256
9f712a59b09b14ca76baae87d480dac0b1c38e4c7eea45140c28997774690279

SHA512
18ade3b96c697954d59b8697eadae2cbdd856ebe9885f21d2966041e5dbbe9d9e150954105154f92bd78d1c3100435791b20a105d708b62986cc8910c362dccc

Download Submit
C:\Users\Admin\AppData\Local\Temp\B4C9.tmp\b2e.exe

Filesize
3.3MB

MD5
bccfc2709bccb6da950f4b15fca494ef

SHA1
69185a66898616c73d653613a58be4dc7a476ed5

SHA256
415ca45cee54cc19a22601f1af1b1d5c746da65d4adfe7026e57118e07b236ce

SHA512
d98e39aa2085c9fa60398d8aa9db96b695d066edb6bee78b8e14a2077c404dab7c0603dd13a0287f301f350ad9bfaa3b4e3596b2ccea4f48b81af20147ee4455

Download Submit
C:\Users\Admin\AppData\Local\Temp\B90F.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\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
6.1MB

MD5
21d219e1acaa98bec6b8f2e2b726eabf

SHA1
a2436743b5d277e83818aeb58af82a0d454f50c1

SHA256
93a654d6b53220ad1298b720096e52188621643fc0bff965c2f60d3d7f2157da

SHA512
190be9fc0c1311d7b553f788df3ecb2a953353ae30a51c40ed9c1648d65cce304ab40f9f4bb31f31944373189b0987e2eba95e0e0598e34dc812e64d49c8f511

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\libstdc++-6.dll

Filesize
5.2MB

MD5
7f357fdbc9d564be37f0755874b679f7

SHA1
06a282598b4f14960024264b4390517b87fe8565

SHA256
600a518d56f34c313dda50eb6400563ff69348c6c4a101e8108b9dab75b51d65

SHA512
d158e1265afc9c684a328510242907975ab7d9395345231d4c2b09e71a54e751861d49d253a96f7455661ff0f3b50069aa39b5ffaa89d5f7d88e001d86c07651

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

Filesize
4.8MB

MD5
5767029ef4c8db5fa8f6b4083eb296ab

SHA1
177f990acadbdb5e3e9bca729b3ab31a31a4be28

SHA256
e32ceb62e435ea1e47a49e0eddaf3ecd0d8e05c717a56d1bb9c0526834cbf592

SHA512
9be394f4fcf5079e413ad0b725a49d1ed1c4b4ff8b38ae03a61afdc89010e5311723425380d7ca2854f9ffd8591b9d421794039d9aae310b076b87bef557a4f3

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/572-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/1600-42-0x000000005FF00000-0x000000005FF98000-memory.dmp

Filesize
608KB

Download
memory/1600-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1600-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1600-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1600-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1600-44-0x0000000000EA0000-0x0000000002755000-memory.dmp

Filesize
24.7MB

Download
memory/1600-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1600-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1600-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1600-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1600-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1600-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1600-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1600-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1600-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4616-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4616-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download