73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
294s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13-02-2024 22:05

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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
868	b2e.exe
4800	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4800	cpuminer-sse2.exe
4800	cpuminer-sse2.exe
4800	cpuminer-sse2.exe
4800	cpuminer-sse2.exe
4800	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2864-4-0x0000000000400000-0x000000000393A000-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 2864 wrote to memory of 868	2864	batexe.exe	75
PID 2864 wrote to memory of 868	2864	batexe.exe	75
PID 2864 wrote to memory of 868	2864	batexe.exe	75
PID 868 wrote to memory of 3768	868	b2e.exe	76
PID 868 wrote to memory of 3768	868	b2e.exe	76
PID 868 wrote to memory of 3768	868	b2e.exe	76
PID 3768 wrote to memory of 4800	3768	cmd.exe	79
PID 3768 wrote to memory of 4800	3768	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:2864
- C:\Users\Admin\AppData\Local\Temp\9952.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9952.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9952.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:868
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B75.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3768
  - - 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:4800

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\9952.tmp\b2e.exe

Filesize
12.4MB

MD5
a4cabf7564648f9d99e640a08dc4ab91

SHA1
a1a5519e03f5a2b982367f2183d924d0f89c5685

SHA256
723a2a70e86f7b529eda034cfe8466368330eb10018de73b9ffe49647ad5b5af

SHA512
c268c7454cbf5d881764fee5a70d0965fd260efc214695119000d6b5deac47bfafe5336325c0e591391718dbdb28d8de28cf6956b643e0304a0852c2137dda52

Download Submit
C:\Users\Admin\AppData\Local\Temp\9952.tmp\b2e.exe

Filesize
14.2MB

MD5
d4aa52e3aa98376a93f99c6c740a61c4

SHA1
f457063cbe61535c8853fcb80d15f87cb7baa55d

SHA256
de5560965bb2990675827a66d1fed9211590b7b29644f21bd8e3c607d10f7a4f

SHA512
e98e4f4929e89d20467968b7ebb8f3cad5aed30f57530db4e2fa184a9ca91dc401a6e75513363c9562b4d2e596591e85ac1d4fe9198b44a4d5699fba47bd2e89

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B75.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
9.8MB

MD5
b7faa2f273ba988a701d89cce3b335e3

SHA1
8632ade4b4b7f3eb9f311efcd4af0a14abafe87c

SHA256
118e0a028a9733605b85ecb0aaba31d59bdc3450bba5ff6701fc969ed2cbb1bd

SHA512
4aaa6519e3aa16fb663b5e97088dfae29efbb469207b99b3cd30fbf46ece4583b11aa0dc96cf034f9cddbe2ad91720b47a1f82c01d8935d2341ac66f37f703c4

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
8.8MB

MD5
5de575890357ebbfebb498292d4ba503

SHA1
46e344de2a5ee4465ab8cf2d9b5b810ce70edfa9

SHA256
ee0b5fe9ecaf0048727ae753bd7b958f7a4116536a3c0119fef930f8c8106ee0

SHA512
ae68660efc1d0b6fd624384e82363d8188185969b6ce65e9a7999a01dcdd63f2caa104815f0afc105cace6c140fa8ec29f090e5b1e4fa5ef74f36f2697229a19

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

Filesize
7.2MB

MD5
7489f1be72d7ed62d01e428c48306029

SHA1
7156fa6c81c96d78728d18237ec9a61ac3727f2b

SHA256
225621030f0a31a9560b56ad8f70102a8e400d4b78b0048767d4d607a0428828

SHA512
a41fbd4ab6cd9266a777eff434ee5bec6670b04c973c0845d5e180ad3423dd3e21cfdee20b10c7c0db94cb7f5d5bc29870325774c467e362708b44247b629397

Download Submit
memory/868-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/868-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2864-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4800-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4800-44-0x00000000010B0000-0x0000000002965000-memory.dmp

Filesize
24.7MB

Download
memory/4800-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4800-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-43-0x000000006F6F0000-0x000000006F788000-memory.dmp

Filesize
608KB

Download
memory/4800-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download