73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
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, 16:33

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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
2780	b2e.exe
2904	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2904	cpuminer-sse2.exe
2904	cpuminer-sse2.exe
2904	cpuminer-sse2.exe
2904	cpuminer-sse2.exe
2904	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3172-5-0x0000000000400000-0x000000000393A000-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 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 376 wrote to memory of 2904	376	cmd.exe	80
PID 376 wrote to memory of 2904	376	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Users\Admin\AppData\Local\Temp\9078.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9078.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9078.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:2780
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\927C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:376
  - - 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:2904

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\9078.tmp\b2e.exe

Filesize
9.8MB

MD5
7d9aa6fd2b339fee5a698aa87e1f8079

SHA1
fc2a85ac4d2fb171f1b191fd7d1f2fa06a2553a4

SHA256
b32e97ecbad3bb35dfaa8ebddc9091da84ff22cf00eb95b0bc948673c1d5c093

SHA512
5f876acb42a4d730f43cd873cd7fdbb2f9432c5a1dbb8ddcdd929bfc107746705e9b3f0bd6d40d9c67b3999054dad891bd61008c9bbf78ff1a226e9d10ff7336

Download Submit
C:\Users\Admin\AppData\Local\Temp\9078.tmp\b2e.exe

Filesize
9.6MB

MD5
b911962cdced8bb09784e9ef50cc2ade

SHA1
b4bef75b4fa21cf3e959caa1e5c67eec63fb53ba

SHA256
dffa5f77678ead94051da805d176ec5fd2db0837c84ac849b44000086b5f8e3a

SHA512
a2db06f5fefe4edb85403f2e467027e9e7c42672db3e93d6b29ed5b19b0f6a6efc61deeeea07b41f3f3594f5c9cf77d3d7a27af28575a1d5cd32be18e48f11dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\927C.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
5.9MB

MD5
afe9c89a3e1535cfdd6e0eafcf075113

SHA1
ac851d37227a456723e14bef5579371bcda80ce0

SHA256
71504d867d6407fb8102d6de9ef04d010748e7adb5becf556ba0d1e3b2a92eed

SHA512
86bfc98806f6357368373fe77f6f4cd05f9a85ea8559e2572252e84e43c789719c0b4bd744921d1faf30045c78d7b4201399437a2b61e8da553d571a1f55e36d

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
7.9MB

MD5
41e01c019fe2c45b0091aafb0a893813

SHA1
652892630ef838c96406b30badb52a9b48345a67

SHA256
651580f8b54fd80ac951d61c1997f789c9a923530e8458d4d7c0193c8a471429

SHA512
7bf9a2cdb72c3ca7eed85f977b35cc55119b7f9a3bb70a7411fd24235c64904f15b6f006aa317b92dd2fda607e5314ccb246f9ac9e6cdad306c50532baeb400a

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

Filesize
7.4MB

MD5
0f5b77de4f3d20c3f9bc49d0110d8d24

SHA1
b08acaf7886c04a8a194b062c54cc52e43878593

SHA256
1ff7e18c869d76218b974d7b7269de5331abbbd2061ade13fda93f2d0e2af5f3

SHA512
8f6b36aca78a144dd476ec50d1c334dcfb6fd9f8deb45c3d8e7672f456a6931c18ebbebc5b41991d6d32bfe6c85e482a70c0b59fdd85d6efc7900f3c9e087baa

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2780-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2780-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2904-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2904-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2904-42-0x0000000057CA0000-0x0000000057D38000-memory.dmp

Filesize
608KB

Download
memory/2904-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2904-44-0x0000000001030000-0x00000000028E5000-memory.dmp

Filesize
24.7MB

Download
memory/2904-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2904-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2904-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2904-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2904-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2904-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2904-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2904-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2904-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3172-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download