73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
298s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 19:02

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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
2304	b2e.exe
4444	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-4-0x0000000000400000-0x000000000393A000-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 3044 wrote to memory of 2304	3044	batexe.exe	75
PID 3044 wrote to memory of 2304	3044	batexe.exe	75
PID 3044 wrote to memory of 2304	3044	batexe.exe	75
PID 2304 wrote to memory of 5060	2304	b2e.exe	76
PID 2304 wrote to memory of 5060	2304	b2e.exe	76
PID 2304 wrote to memory of 5060	2304	b2e.exe	76
PID 5060 wrote to memory of 4444	5060	cmd.exe	79
PID 5060 wrote to memory of 4444	5060	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:3044
- C:\Users\Admin\AppData\Local\Temp\9B55.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9B55.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9B55.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:2304
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9D2A.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5060
  - - 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:4444

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\9B55.tmp\b2e.exe

Filesize
8.9MB

MD5
896977631fd259cbdf79460c3324e870

SHA1
bd2bc694a477714f9c3173d0b6bd89f9ec63659b

SHA256
34d442e454688609c2df73f8ca1e108614d14d5e1ef13b41f4f79a038bcab91e

SHA512
0c03f626a3d6fc3844db650d21711ae2ed7e200dd959dc2642fd3c0fb597ef3de07c128e620ff5135cd040997100ce46d2312c3af7949356e0cb6b8d47f72260

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B55.tmp\b2e.exe

Filesize
8.5MB

MD5
cad20b0b14e902ab75c2cfb6e84f7bb9

SHA1
a2532237651046d29c44fb75996490f81403301d

SHA256
d434fd13d66409b93b0d5e4d4e84a33408f97ac972ee6037477a24e3bd614f3d

SHA512
164e7ab0365a0af83059195e1d83ff44157893614be4eefbcfa5edf8c303e7cddf51011d23967aafdaf076c4a74b6ec7dbfcaa36ebee2f157f8ae2b49ca3b71f

Download Submit
C:\Users\Admin\AppData\Local\Temp\9D2A.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\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
4.5MB

MD5
50887092389efb9ab86d9df2342d23b4

SHA1
017353a39166ae5c456214f2ad813edeb7d998c9

SHA256
1301f7ec416700a8a80ff6095a46aeb7b9478657e0c75958ca53e0ba4132b325

SHA512
41af0016c89bb02abf1af8406cfb1cf0cea422813c668854c697b26a66431efb44350c4e0b37b0027999dc8a81a4d7ba4055bd741e265a7c8ee65d7776eb63d1

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

Filesize
6.8MB

MD5
e1eefa69ee69a408c05ab19850bf4b26

SHA1
87c7d20f76cc161b69f84b51e3ccfbdfbb6e0420

SHA256
8d3c5b611c56e2c11643e7cf9dd894e5cb452bae90fc287770e1f724a0ffcbcb

SHA512
1a34860e9028acf39551741f03ff990db8c4c61d8b5795816f8f96000642ddf0806efeddb91b6e0027592cd8513909b00d65a3286c542979736286bc62f386f8

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

Filesize
5.6MB

MD5
f5c940843d3a7d549f9c30347c0050e9

SHA1
b4078b2e871bbd9cd43397d62d20d82f84cdaff6

SHA256
1e8b9fbdeeb388aef2f96d7002d0c2d289216415962849b398b1d341978b4b94

SHA512
b44df43520d1dfc82407d94367c70ca0ed342261f1c2714a9eeb98f34931d168207eef422e49aa99b399f36be1444c71b2ff6a4d2c4101f15520058f5d5a2f23

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2304-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2304-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3044-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4444-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4444-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-43-0x0000000068180000-0x0000000068218000-memory.dmp

Filesize
608KB

Download
memory/4444-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4444-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4444-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download