73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
298s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 19:57

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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
2456	b2e.exe
4692	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4692	cpuminer-sse2.exe
4692	cpuminer-sse2.exe
4692	cpuminer-sse2.exe
4692	cpuminer-sse2.exe
4692	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2172-5-0x0000000000400000-0x000000000393A000-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 2172 wrote to memory of 2456	2172	batexe.exe	74
PID 2172 wrote to memory of 2456	2172	batexe.exe	74
PID 2172 wrote to memory of 2456	2172	batexe.exe	74
PID 2456 wrote to memory of 1048	2456	b2e.exe	75
PID 2456 wrote to memory of 1048	2456	b2e.exe	75
PID 2456 wrote to memory of 1048	2456	b2e.exe	75
PID 1048 wrote to memory of 4692	1048	cmd.exe	78
PID 1048 wrote to memory of 4692	1048	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:2172
- C:\Users\Admin\AppData\Local\Temp\921E.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\921E.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\921E.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:2456
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9422.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1048
  - - 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:4692

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\921E.tmp\b2e.exe

Filesize
5.6MB

MD5
74114265dd855ec4d07c0f96ab6f3212

SHA1
b5b9b2267c92c8980779398c9c847db175089518

SHA256
164cbabee4891d6a5d2991889d91d61bce00b4e854b735f43eb310f2e746bf31

SHA512
597aaf19543ab85b99573ebb38dceaa789ec68ac52d9cc813af255416bcc0840ab89fe475c75fd4469fb41c56389469f40d6be0120d4611b4c198a26eeda0d56

Download Submit
C:\Users\Admin\AppData\Local\Temp\921E.tmp\b2e.exe

Filesize
6.4MB

MD5
e80b64a3b3e77bcccbbd429fdec0f7a9

SHA1
9ef4a664bc2651c637a284da02f74d83b8121c0d

SHA256
0ea8295a3f2105c18ab702f96f4bf8c6ecf7a748b14f3d1bf46eba9d2cfbfb04

SHA512
14c547f762bf6609a6071e533ae2089582fc60391b593e847ad044518d3bb560c3cfc4ec8907ae9ca86495558e9b9a41a0c9a768164ee77b83328e8fd78a9ec4

Download Submit
C:\Users\Admin\AppData\Local\Temp\9422.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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
3.3MB

MD5
7c5294556b421873bd5dc54e1a264690

SHA1
965d487f0f7a78ed37855f253b1f626b5c27e230

SHA256
d0f879cc737c4b11a529fc0380da66799c324355f6fc218f1df3648da3b6b03e

SHA512
0bdc3384ec967fe71323e5b7ef98455eb9b6f8077697ea9d4f64ae4a8bfbf201b9349aeb7e07b66c9c84ff03f7e5e7464052b4d159f785c36d7bded03de74525

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

Filesize
4.9MB

MD5
18893e568220cdb22c08f2f7f3d795ee

SHA1
996152ff430ab893d33a6af012d8311316678441

SHA256
0379cd3411cdfc8073d9e9fa73dafb09912192d3083f35370e40ed70f958a5de

SHA512
53534be1844f95695de07e35e70fa492aeba28912e8baff649be854a85c8d9359529b5796f32a1a5d03ed3a07273adfe38e5a7c2e245742e3c8088ee164dcc41

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2172-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2456-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2456-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4692-52-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-77-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-43-0x000000006FC40000-0x00000000714F5000-memory.dmp

Filesize
24.7MB

Download
memory/4692-45-0x000000005A600000-0x000000005A698000-memory.dmp

Filesize
608KB

Download
memory/4692-44-0x0000000000F40000-0x0000000000FFC000-memory.dmp

Filesize
752KB

Download
memory/4692-46-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4692-62-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-41-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-72-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-38-0x0000000000F40000-0x0000000000FFC000-memory.dmp

Filesize
752KB

Download
memory/4692-82-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-92-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-97-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-102-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download