73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
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, 05:32

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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
4184	b2e.exe
2204	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2204	cpuminer-sse2.exe
2204	cpuminer-sse2.exe
2204	cpuminer-sse2.exe
2204	cpuminer-sse2.exe
2204	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5104-6-0x0000000000400000-0x000000000393A000-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 5104 wrote to memory of 4184	5104	batexe.exe	75
PID 5104 wrote to memory of 4184	5104	batexe.exe	75
PID 5104 wrote to memory of 4184	5104	batexe.exe	75
PID 4184 wrote to memory of 1488	4184	b2e.exe	76
PID 4184 wrote to memory of 1488	4184	b2e.exe	76
PID 4184 wrote to memory of 1488	4184	b2e.exe	76
PID 1488 wrote to memory of 2204	1488	cmd.exe	79
PID 1488 wrote to memory of 2204	1488	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:5104
- C:\Users\Admin\AppData\Local\Temp\9357.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9357.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9357.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:4184
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\953B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1488
  - - 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:2204

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\9357.tmp\b2e.exe

Filesize
15.0MB

MD5
5b0dc7400916051ee75fcb7758d3d176

SHA1
43003f13055f9e1638f1d0eced6842f6b09ecd30

SHA256
c904cec19f587485131d2d106b3e68b119b38b9cf017ae47479e2470946234a4

SHA512
5203c3ed10545b5a3a2df6496a0414258de23d7b3a63750b7f698649f729c8bf9ffbf254e7d35f3465373661e207092e846907797cab9245a736468f39462deb

Download Submit
C:\Users\Admin\AppData\Local\Temp\9357.tmp\b2e.exe

Filesize
12.4MB

MD5
b7ffa41517807fa05873c952062471ae

SHA1
f8b0be2e1d03ea0cd8c1956716b34216e53e55ba

SHA256
acd79f04bd9dbd36222a0ec2db14480f5b53dcd19bc040eea3f273dd2c41df93

SHA512
73660ad80f9281174f0e56dc31f3260c12354a3e8506db29262fdefbe1991b401634efd7c7e7cbfc09185aef3928952b7fa5289dfda4c6c2cbfd8ae5c0fae7f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\953B.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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
10.1MB

MD5
f9bfe0b0d9de44d92ddf935986e55f78

SHA1
88c4b3459f43c9f62ea248b69a77d852046696a1

SHA256
96af50921250fe58f6fa5dbd66475f2112b6648b9e6d3d2cdef3b61c7b39bda2

SHA512
51e66c3e0e99a9357e90dc23724fbcee21e65ce1f5191cccd977dcbfd18b3e0f7a3b9d51123e4110064b3fb4a2380d0405ccf7b308018d10d926e010d1a06e81

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\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
12.7MB

MD5
86a38f41b3101d0d42ae20cdf8836135

SHA1
f807dd989fc1a4923f2c973fb5662c12758719ac

SHA256
4f1d23e0837d4386c453d7de7645f592456e6083b83f9b3916e7bb9dbcdb64cd

SHA512
6527feb6c8b7d6e1c187498d1a80e579de2af6a2c6d2809ef74dc6f969a6311886bd0c651dd543da611afb12dbb1ec4886618661dd9903338ed623fa95c4b2e5

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

Filesize
12.3MB

MD5
1e26a27442cdc24e6de3e75362251ce1

SHA1
f5b05a48e00dab97f760fcb68e53c049f42e3612

SHA256
3901c1fbe02b483a79555606aeb7bb2caea867c6b14bbd1d65b53651db830d61

SHA512
cfdc382685cc8f9c2a1c87ba3e599a520fb92a88ff0bdd3d5586b4889a85ab0b9cfd96d8642ed8500ecf7114a3734defb61e4d683bbed367a180bd3ba1ef3371

Download Submit
memory/2204-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2204-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2204-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2204-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2204-42-0x0000000054820000-0x00000000548B8000-memory.dmp

Filesize
608KB

Download
memory/2204-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2204-44-0x0000000001130000-0x00000000029E5000-memory.dmp

Filesize
24.7MB

Download
memory/2204-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2204-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2204-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2204-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2204-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2204-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2204-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4184-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4184-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5104-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download