73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20/02/2024, 18:39

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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
1240	b2e.exe
4636	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4636	cpuminer-sse2.exe
4636	cpuminer-sse2.exe
4636	cpuminer-sse2.exe
4636	cpuminer-sse2.exe
4636	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4020-5-0x0000000000400000-0x000000000393A000-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 4020 wrote to memory of 1240	4020	batexe.exe	75
PID 4020 wrote to memory of 1240	4020	batexe.exe	75
PID 4020 wrote to memory of 1240	4020	batexe.exe	75
PID 1240 wrote to memory of 2904	1240	b2e.exe	76
PID 1240 wrote to memory of 2904	1240	b2e.exe	76
PID 1240 wrote to memory of 2904	1240	b2e.exe	76
PID 2904 wrote to memory of 4636	2904	cmd.exe	79
PID 2904 wrote to memory of 4636	2904	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:4020
- C:\Users\Admin\AppData\Local\Temp\953B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\953B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\953B.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:1240
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\96F0.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2904
  - - 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:4636

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\953B.tmp\b2e.exe

Filesize
6.9MB

MD5
757ba8c8233c51aabe47b5dfe828366d

SHA1
18c897613e8596700fb8741d8c348e2b5db6b3be

SHA256
c7aced63923e7172307a64096dc37161fdb5c470dd9ce799297a02a7c960f5d0

SHA512
b59d0e8ecf264da9b1f20d15a7d270af77467c7106b1a7f19122ea9def5ef0b66b220786a197654051eeb4d7bca69a11d4216c44d88887eb4a8f0a2f65654481

Download Submit
C:\Users\Admin\AppData\Local\Temp\953B.tmp\b2e.exe

Filesize
5.6MB

MD5
c276587b541315387cfd4ca84d11d84f

SHA1
b327bba7d67176cdb43016fddc5b5c24bf0fec74

SHA256
d20b4abc86e71e946ed8683ba0ceb0076f305f7e2be303c02f5311dad24cb00e

SHA512
94bb2507fc2391c7377ce92f2575efc08d078a9d45990f23c43b426031dfd95a1ed00fa412d56aa2dbc3319325605f640df6c6d71e8c94845b0f64d9cade94a7

Download Submit
C:\Users\Admin\AppData\Local\Temp\96F0.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
8.1MB

MD5
3b67a6c4f5408d10b31e1c6b975ec77d

SHA1
da00e38537f8e7e0c66480e30c345e5da1dafa81

SHA256
c1afcee0283d48a6629d4ed2d103ad663f05b25d498341c7c8c17dcdd83c8484

SHA512
099cd12d1885b28566b13e317a413d16de195bc2a9f48dd26029c81e9ec5c417f5be64a9507cbc082c808897dca6865692b664d9061330c3cb9194cc38fd7065

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
11.1MB

MD5
d9a6e497e10fd1cdb466fe4c647f0673

SHA1
45d7007ed7b68d115641bbe01535f28d468180d5

SHA256
ec37b41299d1ba4f0afc91011e793c18604657c7c8037a5ef3f1fdd7a275c09a

SHA512
5e1a52e8e8cbea0d3e0c7f17ce072811c4dd2390572c17f8d3c01537bf59e417b639ddbe22886e199a7a15ac8fe3af03f0bb063505096b47027ac291d47cd93b

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

Filesize
10.3MB

MD5
d7a95aeaf6e5174898d98a70f4e31cbe

SHA1
1ee42d8bf759177806a87a6d7add1c532f37b5fc

SHA256
0ee3670c1bfee7e16450c245700b20a2ab71a81207862e1ce48828ce22092c71

SHA512
1f850c275bd8b4a0e318f66e3123cecb25fbc1448bf151e019726fd5711103cc570ada6ec73564a843b8b159d9066401f408471d537b12b28a2ae9ba80a2333f

Download Submit
memory/1240-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1240-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4020-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4636-43-0x0000000074ED0000-0x0000000074F68000-memory.dmp

Filesize
608KB

Download
memory/4636-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4636-44-0x0000000000F30000-0x00000000027E5000-memory.dmp

Filesize
24.7MB

Download
memory/4636-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4636-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4636-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download