73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
304s
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 03:15

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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
988	b2e.exe
2808	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2808	cpuminer-sse2.exe
2808	cpuminer-sse2.exe
2808	cpuminer-sse2.exe
2808	cpuminer-sse2.exe
2808	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4116-4-0x0000000000400000-0x000000000393A000-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 4116 wrote to memory of 988	4116	batexe.exe	75
PID 4116 wrote to memory of 988	4116	batexe.exe	75
PID 4116 wrote to memory of 988	4116	batexe.exe	75
PID 988 wrote to memory of 2192	988	b2e.exe	76
PID 988 wrote to memory of 2192	988	b2e.exe	76
PID 988 wrote to memory of 2192	988	b2e.exe	76
PID 2192 wrote to memory of 2808	2192	cmd.exe	79
PID 2192 wrote to memory of 2808	2192	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:4116
- C:\Users\Admin\AppData\Local\Temp\C796.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C796.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C796.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:988
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CCF5.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2192
  - - 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:2808

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\C796.tmp\b2e.exe

Filesize
14.8MB

MD5
01ef2641b3393fc1995261f9cb3fb2c4

SHA1
4b6b1db8326a9d9fc01599c23b06266d2d40cc99

SHA256
6bd8b9161e27995cc067fe65084443a376984ef562bef08b616192f5c1a2d045

SHA512
37342aa8adefc7eefba5558f4fa25f61b80fe956d7e81ff008df510c22f724a0cad1693fbc63e1c2b609b2e25ecc643012fd60b17e38dd14b915cfedfeac7d23

Download Submit
C:\Users\Admin\AppData\Local\Temp\C796.tmp\b2e.exe

Filesize
16.1MB

MD5
e9d96c511ceb33baf9e6828443604b3a

SHA1
013a6a5040adf5283bd78dd1d2a106c536620791

SHA256
686ca37ada4aa580a616fe06edd393d6c53b6251026b360eb790c77dd8f18745

SHA512
c0530042cae81f0407e3178116121896675f60cb391744045843861367632588724686f444058dffc8fad402e3f385d189f1e48e4ea236ca14540e9d2e09ff83

Download Submit
C:\Users\Admin\AppData\Local\Temp\CCF5.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\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
7.1MB

MD5
994b340958c0fb89637b009ec01e30fc

SHA1
56d78609f00691533f9a6e0ed241914674a800c7

SHA256
a4fb2d6722f6055ad7fed6e2d0480971c52bdc27e30880d2953c8972367d602b

SHA512
b106a90d17923296804ed56fb4363ec1efb1e0c7949f480c340b902be6c12a3a5f3b8407236b488794eefb48eacd511b5a89a28b4455c0ba4dbd7a4aab917206

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\libstdc++-6.dll

Filesize
9.1MB

MD5
7ee80214b1c698c29267bf879b34bba1

SHA1
e9d7e34d83295a5f5b36003b2ceed52d2898451c

SHA256
0c8fd2da139fa02291234eaea74ea166e3db36cacffe787d4d9d34626fd4c106

SHA512
083b7fc71b41bdd5a9ec837d75837675bf0351843bade25033ac0b44b1636c267b071d6e9fc802c553db69690a624c56948ac5f35a2034a408975537fc178f8a

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

Filesize
8.3MB

MD5
b9670d12713cccdb0d6a3867ddeb2d1c

SHA1
921a6f0cb06ab549572834dd2cd008ddc55aa5b6

SHA256
184c24edbc4a9c28ee7c34bbb49bc3879e1c8f21dec8d4e3b513d161e82e2ee2

SHA512
60ee1a5534139706639f548c641700b6802be74c085e327cbde710d1b5b5f128c3c383c53fa079c61b13b3592e402ad64a5e623ce2284d604f3044b9376f4c2d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/988-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/988-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2808-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2808-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-43-0x0000000067740000-0x00000000677D8000-memory.dmp

Filesize
608KB

Download
memory/2808-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2808-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-53-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2808-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2808-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2808-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4116-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download