73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
296s
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 15:53

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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
1764	b2e.exe
4836	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4836	cpuminer-sse2.exe
4836	cpuminer-sse2.exe
4836	cpuminer-sse2.exe
4836	cpuminer-sse2.exe
4836	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-5-0x0000000000400000-0x000000000393A000-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 2236 wrote to memory of 1764	2236	batexe.exe	74
PID 2236 wrote to memory of 1764	2236	batexe.exe	74
PID 2236 wrote to memory of 1764	2236	batexe.exe	74
PID 1764 wrote to memory of 3036	1764	b2e.exe	75
PID 1764 wrote to memory of 3036	1764	b2e.exe	75
PID 1764 wrote to memory of 3036	1764	b2e.exe	75
PID 3036 wrote to memory of 4836	3036	cmd.exe	78
PID 3036 wrote to memory of 4836	3036	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:2236
- C:\Users\Admin\AppData\Local\Temp\9402.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9402.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9402.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:1764
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\95C8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3036
  - - 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:4836

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\9402.tmp\b2e.exe

Filesize
12.4MB

MD5
b3310775be8673136012932521b2cfb4

SHA1
790550175ba248b7668d66237c4a00874d93668e

SHA256
7564d7539594d3f756723494d8fd1c7d1caef17902332727d97e359786b27218

SHA512
b755f6dce6f958e2a435841d5b869bbc97b7030e08a1397a145089d7b128d3ffe399473aaf8c03fc816785faa46fb6c39637648697eb9ec2bb906e71cfcd46c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\9402.tmp\b2e.exe

Filesize
13.6MB

MD5
a00a8679b41495e9ab4fe7433166cf51

SHA1
b01913e35732d6e50b0f69296a2f9a48a39cacc8

SHA256
60bac2991994f0f9707180dfe782a05d1c5c8553c77f5e8bd44023c48c563226

SHA512
e6b6768a171a6e4e3c67b116ac35f375c8c097d503961e18f51508aab83d8ebde0c2c93e2c5ad0f642bece47c709c0cb31ecf80152650911a5e6f39dc7d73374

Download Submit
C:\Users\Admin\AppData\Local\Temp\95C8.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
8.9MB

MD5
391151559f30a390f30ace8c87d35176

SHA1
208802546e213864efa94b9b3fc063ffea566f29

SHA256
7f577e21f50d0fe2c1445926365d1367c875287242653190d9a9c467e276b7f7

SHA512
d03baa82daab587a3e1a2cc4e7785aa7b517d198eda5ab1c38dc1c3da0b1b9a720e6623b204828fe632790b6621783e3f2a076e5830fc6f961f6a78ae6c53b0c

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

Filesize
14.2MB

MD5
37f6d9f64a9e0db747339b0b2fa210c1

SHA1
7ca97bd957d868a2757f84bc54da119dde2cc774

SHA256
c940448bc1c4bc1158d22d196cf46364eef8a798a353eb9a75b49960c3e71cf7

SHA512
1f857ffcb4029bcf6bd0dec44fd46eb6240d90aa2ce9957f66072101820447f6c7d328383de1a35bf6599c1bf6347dd8246796a4c6af268c2329d96c374a5cde

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

Filesize
11.9MB

MD5
f60cc40985ff2abb865ba3aebbf70825

SHA1
cff47bae8578454df8597ee19a6ef7c1352008a4

SHA256
2d446e85e31008fe220d276704436a09c3a6981ab7db9153693b12a44c265096

SHA512
1a2e80a402656c2cc40055309588fb4b1ed8457a3bf3b3cbaa260e8f13ef6a7e8032b1996b1503198cb51a67cba6e4134deec1ec9fddbea576b1d20cca76d81c

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1764-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1764-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2236-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4836-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4836-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4836-43-0x0000000068570000-0x0000000068608000-memory.dmp

Filesize
608KB

Download
memory/4836-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4836-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4836-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4836-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4836-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4836-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4836-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4836-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4836-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4836-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4836-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4836-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download