73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
303s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 15:37

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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
4880	b2e.exe
3744	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3744	cpuminer-sse2.exe
3744	cpuminer-sse2.exe
3744	cpuminer-sse2.exe
3744	cpuminer-sse2.exe
3744	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5024-5-0x0000000000400000-0x000000000393A000-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 5024 wrote to memory of 4880	5024	batexe.exe	74
PID 5024 wrote to memory of 4880	5024	batexe.exe	74
PID 5024 wrote to memory of 4880	5024	batexe.exe	74
PID 4880 wrote to memory of 3088	4880	b2e.exe	75
PID 4880 wrote to memory of 3088	4880	b2e.exe	75
PID 4880 wrote to memory of 3088	4880	b2e.exe	75
PID 3088 wrote to memory of 3744	3088	cmd.exe	78
PID 3088 wrote to memory of 3744	3088	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:5024
- C:\Users\Admin\AppData\Local\Temp\1661.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\1661.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\1661.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:4880
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1C2E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3088
  - - 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:3744

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\1661.tmp\b2e.exe

Filesize
16.6MB

MD5
448a8d42f4b34cd8bf6c1619afc7c5d4

SHA1
c7de5ef05eabeaf0b3757c89e7fcc530a6212d5f

SHA256
b7e66594c56a86007a66c60d7c0f8323d138fbc5b195bd46d62e6d13957212df

SHA512
4957d8718fba361c11bb1ac9327095d87a0869b008a330b0a654743e2535c85d20c7f1f93895ff77bd36a8049396a8290fe54dbde054079370515f6619e7bdd1

Download Submit
C:\Users\Admin\AppData\Local\Temp\1661.tmp\b2e.exe

Filesize
16.7MB

MD5
db945858ba1d40d6040575ef0452f332

SHA1
a1da695ed37bcf335d6655a51ef492605ad9baf0

SHA256
0d4c8c27da9aa960e5b1b8b38ed24d853248f672704da0fa19658ec9eecaca2c

SHA512
3871b5e021ba5983e5cc861b6f82d9dc9a5f8d219fa699b9c749427279aa3ed20abd68a41cadce4bec453908813bea210f26f8e20d2d24bd3b5cf72b336c69fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\1C2E.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
14.9MB

MD5
43edba190aa7d892f2fc9bc07dd43e70

SHA1
f68efcc5a6a240b721288662a586b0e72a4101fe

SHA256
8f995212805775b8cda2c4552e56361f4d2cba3645ac67c309ca5caac98d92e4

SHA512
e1b7cc4824b4c9af6825a7aa31ec3c31ff312c6b72cbc282ee58bb26b5576cdce33ccb79b2bc76cc9834408d73b0078f2e47431fd44c3852779b703d0858d8d2

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\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
13.7MB

MD5
876ca80456104842b9116e05cd36fa49

SHA1
dfaa434a97ac16eb0f024ff12d31726665247285

SHA256
e3ceeefbdd4fb3d4aad0cc3c3d5b348f1e18150ec55acc5934895861f2be74e6

SHA512
175d53f7e874961bf7e98844849a1b692d540c8a6823abb5ee2eca7270efcca39d20095da4744ed1627493c20a4d569d41379f73779a4020fa88f405b894374c

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

Filesize
15.5MB

MD5
0b4da4c872c6bbf865da171b90712391

SHA1
79ecb0ac56fddad43f2662eba85d4048310862c2

SHA256
d0eff80bd49b380519d0ca12e6032bcc5dc7809b9b615feedf822041eb90517e

SHA512
686d80d722acd3b005e2beabcffbf48b0a11ad3b05606e97bf3afe30d5491fa91738ac80b157f1b5df3aa422e404a21353048ebfeae5434817a11b31f61f159a

Download Submit
memory/3744-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3744-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-43-0x0000000061B90000-0x0000000061C28000-memory.dmp

Filesize
608KB

Download
memory/3744-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3744-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3744-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3744-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4880-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4880-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5024-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download