73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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, 12:39

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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
200	b2e.exe
1408	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1408	cpuminer-sse2.exe
1408	cpuminer-sse2.exe
1408	cpuminer-sse2.exe
1408	cpuminer-sse2.exe
1408	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2660-6-0x0000000000400000-0x000000000393A000-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 2660 wrote to memory of 200	2660	batexe.exe	73
PID 2660 wrote to memory of 200	2660	batexe.exe	73
PID 2660 wrote to memory of 200	2660	batexe.exe	73
PID 200 wrote to memory of 3576	200	b2e.exe	74
PID 200 wrote to memory of 3576	200	b2e.exe	74
PID 200 wrote to memory of 3576	200	b2e.exe	74
PID 3576 wrote to memory of 1408	3576	cmd.exe	77
PID 3576 wrote to memory of 1408	3576	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Local\Temp\C94B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C94B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C94B.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:200
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CED9.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3576
  - - 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:1408

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\C94B.tmp\b2e.exe

Filesize
4.9MB

MD5
fb74f97b2d58319c824cef1491120f9c

SHA1
aceecd4dff3500b79e56535f4e67008903ea85cf

SHA256
28df6da068926dbc8cd96a81c6d0be39a01f26a992ec25b882575fe4918a253a

SHA512
d1ca7a4bb7e80259638ec9180a89e8a7c33e5055f256411820040462e6549da459cee2b8b613b86f5410d159f383c4a99a7d8178cb88757e9c0bdaecc6a2c198

Download Submit
C:\Users\Admin\AppData\Local\Temp\C94B.tmp\b2e.exe

Filesize
5.6MB

MD5
c057b620b68e265757c51c4bd6182768

SHA1
0539e757d6380f1280b21e2043f6eb7404b38eeb

SHA256
fe8b6367516522326cf0b5dd5a832c7a28c1e9b218a48ebc9db00b2064336564

SHA512
2145f83b05e612c62b546306aad36e840eaf4ac9cfb4c415d842593093d62d3a33f629bc27aa2d3e7969baabb8f5a3042781fd2d5e4d65b213a4f53acc149b41

Download Submit
C:\Users\Admin\AppData\Local\Temp\CED9.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
11.0MB

MD5
7bc0242c21c18e74b877ed7bedeb9c9e

SHA1
665b82e7bc987dd3adb263cb45491c7c4629a0bc

SHA256
f60987b2e03adfa4db766df69a3a7104640d923a575538206a314532b7d6e832

SHA512
3ffde166b61b21170c34f616c472efaa8f6343a8118cdbc49592bede6131aedd9ad3e0b29359ffdbd2912dec27dc612cb78bf18d6e36c2d7ca0f138514c316db

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
8.9MB

MD5
4ff92b7dea4f9bf4e4b241a1391a89ba

SHA1
19d2a9f9094906e1be5a7d4d4bf982362e229e5d

SHA256
087d67363e6f28e2f490ad5a5cd7b616c296538d5470091c1f1e0e7b57b0988c

SHA512
25b7d368981fa5649345babf690d52f6fe62002fc23d15280ce916f68c9b1652a4a65ded95e0dcd5749c9ea54edb8095adc6c6d0621fb8a687ba7074ecfe2f66

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

Filesize
7.9MB

MD5
8559ad5f2771233fac3855b47af524d1

SHA1
8224f495f9a002d42596e438616d2cda3f9712c1

SHA256
1d33df40fb07e4b4a5abf4665c28c0e5f6756d3c63c8f095da7bb276f790c925

SHA512
e032d7279ae6b646b853ebe07eaf6fce90c6695b42a499015b5ae22424ae4518676a67cf96bbafdfb5adadd6a984dc2b6a04fa30dcdc5298f8ea1210bfaf4ce6

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/200-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/200-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1408-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1408-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1408-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1408-43-0x0000000068FA0000-0x0000000069038000-memory.dmp

Filesize
608KB

Download
memory/1408-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/1408-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1408-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1408-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1408-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1408-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1408-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1408-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2660-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download