73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
306s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23-02-2024 06:03

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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
1856	b2e.exe
3812	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3812	cpuminer-sse2.exe
3812	cpuminer-sse2.exe
3812	cpuminer-sse2.exe
3812	cpuminer-sse2.exe
3812	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4516-6-0x0000000000400000-0x000000000393A000-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 4516 wrote to memory of 1856	4516	batexe.exe	74
PID 4516 wrote to memory of 1856	4516	batexe.exe	74
PID 4516 wrote to memory of 1856	4516	batexe.exe	74
PID 1856 wrote to memory of 3984	1856	b2e.exe	75
PID 1856 wrote to memory of 3984	1856	b2e.exe	75
PID 1856 wrote to memory of 3984	1856	b2e.exe	75
PID 3984 wrote to memory of 3812	3984	cmd.exe	78
PID 3984 wrote to memory of 3812	3984	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:4516
- C:\Users\Admin\AppData\Local\Temp\BCD8.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BCD8.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BCD8.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:1856
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C709.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3984
  - - 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:3812

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\BCD8.tmp\b2e.exe

Filesize
3.8MB

MD5
8782954c8b6aac082ecc8b96cb0fa380

SHA1
2fe2dfb712df083d04ef662151f7a323078cdbaf

SHA256
472a521487323090d233b2931089d485be932bb7b1df7cc096c8b498ff04a73b

SHA512
d8a809cff6a7fa2b0762724eabda592db73e20311c184937574671be8cdff033ed4b9886992aa225aa923449c5a5a7949bcd5194ac26972001b95349506beb31

Download Submit
C:\Users\Admin\AppData\Local\Temp\BCD8.tmp\b2e.exe

Filesize
3.1MB

MD5
bca8c467df66fcb86bc5fd5254816917

SHA1
7e630f497e0f72ed5a6812698ff171ca638f174c

SHA256
cb6746e6dfe3139ec13e762f76e663fa06192d24b0054a384248566d2804c3ab

SHA512
ed1a714e39f36e26eb6b7ff92beb51b5cd6a0440f8ecaf19edc6960b9f015496924080513c4c123adccc075b9c5fa223f5cf2b365a17b8048ed3c50474a99eb1

Download Submit
C:\Users\Admin\AppData\Local\Temp\C709.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
1.1MB

MD5
5df1e65c62563bf4cc181075d9dc061f

SHA1
165b5118225176247fa8d28d57ee34b2562d328b

SHA256
97c2c215ec040988b7ab32b1d8714cc3327534b967d81649b5b028a489689704

SHA512
09da14f4564f2bf0eb40665c1629b027e73a2cab1d7eab46f26ce60768543807a78b1f6a3340578e0140d85662a252f61c372b4e3bc5a69de2bcdec9a328735e

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
5.7MB

MD5
0a3f07b50e7f20838f25d9b5a094194f

SHA1
0b451571bc01f21802d2274ff10d6fc39a087a7d

SHA256
5862dec937571372b81552aa73b178ca947252afd130d072dae3a7daca76c21c

SHA512
5e9bd1165b96bb5910ccdb7aa02942ac8f73cd388ac510cd1f933c276fd482dbdb82fc22b1d2b779b0751f82f2e2581925fdb58ce4cff26114d119b4b16c6810

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
4.9MB

MD5
34fd2bfc8688013e5099184d3c6fbf6b

SHA1
fe135468dc181a7dc45b9a9ba13ddb7b69cbc812

SHA256
6e67cf407bb4b2d10b745b7a0d22e74e91aff82447fd1ef6fbb6597e4fee06ee

SHA512
41c541cc429c64e8f1736236a0b03a9009385430014eaa35ab657fd8a878021cb1c63b84f1d01d829e3d8370cb7b597ee2ff2cd995e93bdf5c128eea080da0ea

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

Filesize
4.3MB

MD5
448df14b5d08dd22b58897d4a4c51434

SHA1
ec1bca9a995308d182cb749998a75ff880c9410e

SHA256
22c6c9bd04e46a72053de3ecae10bab83690a6fa3227eb9da248e0bc4243279e

SHA512
59919a4d486244c949163529e6f8f4bcd775a8f93fdc0990a846fa1d927299338d8631e3adb28a4a382ccbb2b4b1cc7dc8cdd41a4b0ce8e87cc117137397fd8a

Download Submit
memory/1856-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1856-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3812-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3812-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-43-0x000000005E7B0000-0x000000005E848000-memory.dmp

Filesize
608KB

Download
memory/3812-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3812-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3812-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4516-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download