73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
297s
max time network
301s
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, 20:17

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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
208	b2e.exe
876	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
876	cpuminer-sse2.exe
876	cpuminer-sse2.exe
876	cpuminer-sse2.exe
876	cpuminer-sse2.exe
876	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2964-5-0x0000000000400000-0x000000000393A000-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 2964 wrote to memory of 208	2964	batexe.exe	74
PID 2964 wrote to memory of 208	2964	batexe.exe	74
PID 2964 wrote to memory of 208	2964	batexe.exe	74
PID 208 wrote to memory of 3252	208	b2e.exe	76
PID 208 wrote to memory of 3252	208	b2e.exe	76
PID 208 wrote to memory of 3252	208	b2e.exe	76
PID 3252 wrote to memory of 876	3252	cmd.exe	78
PID 3252 wrote to memory of 876	3252	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:2964
- C:\Users\Admin\AppData\Local\Temp\9114.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9114.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9114.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:208
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\92DA.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3252
  - - 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:876

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\9114.tmp\b2e.exe

Filesize
3.8MB

MD5
1c7fd93b2a1edfb8e1c570c5a6fc4ba7

SHA1
d1374be4bb32bcd50744e7e78778f57c6f5ccd03

SHA256
f417f007ba06bc1600cd05867adb192b13fecb3373dc0c1b287ae4b97a97562d

SHA512
a4d78fdd7d9b5cc6115615b7c9f8d54819e5817deed984f5bd9b19e6cc85c2cda32d20937573824848dbef0fe85a6b65c481e8b7fa7d2e06bd9769e2ae930dde

Download Submit
C:\Users\Admin\AppData\Local\Temp\9114.tmp\b2e.exe

Filesize
4.2MB

MD5
98ab3935b34d3deda93048340337fa3f

SHA1
a89668277566473b991a06deb5b83b538a5b6d9e

SHA256
f9560274fd0f1ec0090e1791ef548f5415ac2e2bb5638d7f40e116d8f3a6595a

SHA512
dcb7f8494e02d72b146a63e83b5cd9486160ed06e5688e6b01ce32fc7bea7df838eaf272176c7500e46973d903a2f3ca1c9ec7b686c6f79a6da7b81fdcb1d374

Download Submit
C:\Users\Admin\AppData\Local\Temp\92DA.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
2.1MB

MD5
f3733998daf0a44002143f4fa7b62f9c

SHA1
fb5a6634ab3251e859dd5a42f04900e9611a0fcc

SHA256
9537fe97b432dee5c0be97907a0ed7ba6b0cc29bf057ff8664a9f59b68a98000

SHA512
1a12609e3dccf1e887063830f260b3ab2ccd07b296c904b7a63a0f3f844f2d6f2313d2d2ff96196569735c3c2bd78fa1e230547dcd6c21bffeb994fb5e602929

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
2.4MB

MD5
0747d69dfb8e1abeb5aaaed75dd66bd8

SHA1
c8b07edd1c265909dee0b9ae98635d9a30334fef

SHA256
31c63173f9e8e6a8af2f5882fad25db10ae095cbbedde0f0d3482654d5eee966

SHA512
164d9d9feb0aee17850bf2a884117d6e628a4d6d4bbf0a04475b47110e62905035093e904a5f48f9fae2b38c788b175c870d112b8dcd667b4a064045eb64fe93

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

Filesize
3.7MB

MD5
b969ee11afec75e3f5d486233b44e9f0

SHA1
6e03c993dd6e785a7b9697446866c2fca81d4460

SHA256
1a86c594cc369d71053bfc2e0c7da47c2bb79bd839780753eb869948069a3d78

SHA512
f728879be7d0d8c97ee55eba9d91bd270d99d3e4aae085f61a11b20bac769022edc7f39786361d3501587e1030003f1ea277d292230fd038ebcfce1eaaa47859

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/208-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/208-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/876-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/876-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-43-0x000000006DEE0000-0x000000006DF78000-memory.dmp

Filesize
608KB

Download
memory/876-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/876-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/876-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/876-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2964-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download