73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23-02-2024 18:22

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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
4372	b2e.exe
4480	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4480	cpuminer-sse2.exe
4480	cpuminer-sse2.exe
4480	cpuminer-sse2.exe
4480	cpuminer-sse2.exe
4480	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/192-5-0x0000000000400000-0x000000000393A000-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 192 wrote to memory of 4372	192	batexe.exe	75
PID 192 wrote to memory of 4372	192	batexe.exe	75
PID 192 wrote to memory of 4372	192	batexe.exe	75
PID 4372 wrote to memory of 1092	4372	b2e.exe	76
PID 4372 wrote to memory of 1092	4372	b2e.exe	76
PID 4372 wrote to memory of 1092	4372	b2e.exe	76
PID 1092 wrote to memory of 4480	1092	cmd.exe	79
PID 1092 wrote to memory of 4480	1092	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:192
- C:\Users\Admin\AppData\Local\Temp\BC1C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BC1C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BC1C.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:4372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BEAC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1092
  - - 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:4480

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\BC1C.tmp\b2e.exe

Filesize
1.6MB

MD5
4b3e3a3f84660472fb9714cd8feaba1b

SHA1
8561afb6ae0a1ab8a4d8364928811b66fcaf9da9

SHA256
006513b9e4310066d4cb66a1ea11b6619c10e428f5a1ccc39eab92e1d487f442

SHA512
a4ccf4de38da8d27dd065ef09b81a4bca708188c6102211faaa186ddd8f68b87381611da54cb6098758733c799e2a3450cb5cae66b58c29a4264d93f93a1edc2

Download Submit
C:\Users\Admin\AppData\Local\Temp\BC1C.tmp\b2e.exe

Filesize
8.7MB

MD5
90b2b46fe24f21443169e8916a0eec6e

SHA1
bebbae7f13008a9b98fed9b360bd1b150cc36355

SHA256
7c160ea7a2e0d16a2ccf56c4dfe9f2c398a2bbe3190ba7e8f4d766e1845871c7

SHA512
e9c718d88d5427419be6228f76a4c689cd9f15c80a5f24c25b72646ded34357c7eb57a97bcade677f4023ccdd40f93e45dc275e1e95cea8e538d3ca1997937f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\BEAC.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
8.4MB

MD5
738b3dc0d9980b27f2bd505b602f9024

SHA1
7a8950711d95a82cf9fdde4ece11403caf554e85

SHA256
d4f1d00a519a6ad2bf7ff1a4140ca17135040ca3d2dc7f87a9f0194d47f506da

SHA512
1db19c609e22280668e0596716575d9b4681dfd3f725cfae8431ffdf2b5c875659331d63c13d1777b735df417c05ead37644c4ab89df77dee9052e62dc753795

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
11.1MB

MD5
791752882239b216bf06e4e3e1d1c48f

SHA1
c126bedf454e925dd4b6f9e16d6d73e64f6db173

SHA256
e90ef0f37f17d1b70b533bcfdfd19b9a24c7490ec658241ea2f5ada40751c760

SHA512
02df3abd5712cfa0a213d3868ab1e47755ff84daf09f994e3e5e331399e657dd3176d5610ed9f9904c6b3fe6dfe959a89c2e1460757b7a7990512fc06cb1e917

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

Filesize
9.6MB

MD5
e08ea097462e9c9c930a9274228e49db

SHA1
527e5132972a4c4a42d033a608ce23379995d6fe

SHA256
15bc919f6fb675601a639d2b91e142b595408ca20dca840bbe43134689c7ebcb

SHA512
7dc470d7b9a1af1dddd1f700191d047c690f3caadc1cf79d8e10a593c2534f5a6bf6238225cd60e06ad65409ce20b856af1ff40be3983dfb5a4d15197213afab

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/192-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4372-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4372-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4480-43-0x0000000060AA0000-0x0000000060B38000-memory.dmp

Filesize
608KB

Download
memory/4480-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4480-44-0x0000000001050000-0x0000000002905000-memory.dmp

Filesize
24.7MB

Download
memory/4480-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4480-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4480-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download