73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22/02/2024, 04:13

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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
5028	b2e.exe
4100	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4100	cpuminer-sse2.exe
4100	cpuminer-sse2.exe
4100	cpuminer-sse2.exe
4100	cpuminer-sse2.exe
4100	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/872-6-0x0000000000400000-0x000000000393A000-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 872 wrote to memory of 5028	872	batexe.exe	76
PID 872 wrote to memory of 5028	872	batexe.exe	76
PID 872 wrote to memory of 5028	872	batexe.exe	76
PID 5028 wrote to memory of 3004	5028	b2e.exe	77
PID 5028 wrote to memory of 3004	5028	b2e.exe	77
PID 5028 wrote to memory of 3004	5028	b2e.exe	77
PID 3004 wrote to memory of 4100	3004	cmd.exe	80
PID 3004 wrote to memory of 4100	3004	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:872
- C:\Users\Admin\AppData\Local\Temp\83B7.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\83B7.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\83B7.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:5028
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\858B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3004
  - - 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:4100

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\83B7.tmp\b2e.exe

Filesize
11.5MB

MD5
3ddb36b086b693f5e2a7fe524b3a2af9

SHA1
a43bf8d4396bc5504bf28c5fd36dc365f304a0fc

SHA256
d4bffac80b7c46db01085953c4769a0f0256347ea37a5aa17c0a7fd87e7f68e8

SHA512
6b90772b2097f0bf7aa3723120c8cd0347d41abc276590883f710b3a8798ad99d235e6a21e3160604f273893481e8a3022557d272ffea246b469709859e54bd4

Download Submit
C:\Users\Admin\AppData\Local\Temp\83B7.tmp\b2e.exe

Filesize
12.9MB

MD5
6d758e9921f0ba38db39bf687a4ac7ae

SHA1
ae9918b3d2af76fc277acf01e59ce0d1a646c21c

SHA256
e867e79684e05d41072c4a569627223bcea7f93854b52294ac1498a51859b6ab

SHA512
a70bcfd1b3565702ff9949e7a57072dc612b1abd2d147435586f74c22ed49bcbd0ad098ea67d9bb002fb9a4c7a9f2bd9d60397efc4f70ebe6f403521eca237a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\858B.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\libstdc++-6.dll

Filesize
8.8MB

MD5
e083c6d89cc8d1a767c7c6815ecf0980

SHA1
902bdc54f04387d170a3b162dcf2e8f628965db5

SHA256
2ae8adad8f01fcdffc027d34240e4d89bf6f5dda61e0d838afe859af6458c70c

SHA512
fb5e01b2172c458f822e6c3455f6a54e5ae37ba15af0bc054ec348618d07764b5833c9b7cf05fc71b7d71315f0f41f01bba6ce48a06925afd350f61d13625382

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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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
13.4MB

MD5
fcfe581581e514a1ce9ae928c644b626

SHA1
90f1f990c59049be3f30c127fcff389e9628b5ee

SHA256
2adb97eae5d1500c2d225fe68cc971d7b5d00dc6367d0c884870b4640acfc760

SHA512
78c96945b063df3cd82820a2e3c48e876fa95cc2680edd6c2c545fe8c7bfea8291fbc84d4820d668e7ebbdad91454fcbb9d9a1dba95ce1b0065fd137f6938953

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

Filesize
12.8MB

MD5
166ea8ca17d53653e42f94e60745bc93

SHA1
aa35684e7397daf922e3bd5778ce77e5a22736b2

SHA256
e91dfcfbe825f3383e1fa5ddab8a9d84c5ae04800fdfa6800ce7b7aa6979c549

SHA512
3a9fd89d5e0025eb4608988af55a77be7b66182c877f025cda82bdbed32db335f771aba0c33ff12e238c20a7fc4d3e32a9895c90db70f7eb3f4e24b3d4d9e85d

Download Submit
memory/872-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4100-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4100-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4100-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4100-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4100-43-0x000000005F420000-0x000000005F4B8000-memory.dmp

Filesize
608KB

Download
memory/4100-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/4100-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4100-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4100-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4100-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4100-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4100-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4100-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4100-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5028-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5028-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download