73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
292s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21/02/2024, 23:55

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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
3372	b2e.exe
4012	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4012	cpuminer-sse2.exe
4012	cpuminer-sse2.exe
4012	cpuminer-sse2.exe
4012	cpuminer-sse2.exe
4012	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 3372	1592	batexe.exe	74
PID 1592 wrote to memory of 3372	1592	batexe.exe	74
PID 1592 wrote to memory of 3372	1592	batexe.exe	74
PID 3372 wrote to memory of 820	3372	b2e.exe	75
PID 3372 wrote to memory of 820	3372	b2e.exe	75
PID 3372 wrote to memory of 820	3372	b2e.exe	75
PID 820 wrote to memory of 4012	820	cmd.exe	78
PID 820 wrote to memory of 4012	820	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\B2C5.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B2C5.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B2C5.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:3372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B5A4.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:820
  - - 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:4012

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\B2C5.tmp\b2e.exe

Filesize
3.1MB

MD5
a755024225799f1f0b3488732426aa8f

SHA1
6b34880104eec3aed1ab4acaac35c268559a263a

SHA256
d790b6c4f7815c94255668784cd06b59cc1e32a28d3bee11b7a65522003dfd99

SHA512
dac33f9ac41122b71a85543b3d10fbec811b1eb4f90bd7dffd69d076919080624300e3c5b0aebde4dd8a44be331a97991596693eb03e7a747b4323913dab57cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\B2C5.tmp\b2e.exe

Filesize
2.2MB

MD5
8b72ba218d5c570972c2c4896cc8a1b5

SHA1
52339dfefb3ec8a398e3d761323973143ade10ed

SHA256
fbbb3c35c2ee94dc81022131ad8c6761d3acb4e4374a463fc3c2ba54b4737c2f

SHA512
a3fafe4f7368d6a2aa99e7ba2e0ccd99716fdeee9158d416981d974bb28244943da950cdc5acbf49526c6c6185887d898e67f3c65aa768806b9d57fb14930230

Download Submit
C:\Users\Admin\AppData\Local\Temp\B5A4.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
3.1MB

MD5
5649e8dabf664b55a1f1b96f62a6ba49

SHA1
3f6cbf36d861300f9029d03ab12fbe2f8f6b1026

SHA256
86f9fd7d3fe809f1b0c89df27f8539a69460d8ad49e79e5f3a1441dd8fdb362d

SHA512
c4833e0a6dca41a7af0ffdae2a98b5b504f8863d0bacc1221d4ef683b2ca210a4098b99956765f71aae0de8e7d0f076d0ec9297f7c6240b0937e4854cdb06a4f

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
3.0MB

MD5
b1ad7097e02e70e455016b26ec2dd40c

SHA1
bb022133947ed7ede3a616782e693bb255df1b52

SHA256
4ec99fa767a8110bc2aae543dbd09567878e5b0c6312c7145b97f13208aa4bd9

SHA512
2a3951b160f39bcec58f76231c0553411aa98463cb2fd40279887d5de7862cd8521d92bd8215c716fb3f2978cb68aa4aa14c0e78fa8c107e897f9a43e5f2a963

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

Filesize
2.7MB

MD5
d24f688cb55f8ea35df09251779d1b20

SHA1
eb7b9332157ffd77f1c3e9c588fd3b7f69132c62

SHA256
26731a53a821de4248859267730248da7a06c1e4a8f74a605486efcfbed0e9ad

SHA512
4ccfd1fabc6eae1d47ec34b6d07e29c73317c7bdf18aa7cdfe957f72b7caab25f948c307793ab73c35e8c6ba1b0e91c4bca98db254e1b1c783cd2db52fad84da

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/3372-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3372-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4012-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4012-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-43-0x000000005BBB0000-0x000000005BC48000-memory.dmp

Filesize
608KB

Download
memory/4012-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4012-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4012-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4012-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download