73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
301s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18-02-2024 10:47

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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
3612	b2e.exe
4392	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4392	cpuminer-sse2.exe
4392	cpuminer-sse2.exe
4392	cpuminer-sse2.exe
4392	cpuminer-sse2.exe
4392	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1284-5-0x0000000000400000-0x000000000393A000-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 1284 wrote to memory of 3612	1284	batexe.exe	73
PID 1284 wrote to memory of 3612	1284	batexe.exe	73
PID 1284 wrote to memory of 3612	1284	batexe.exe	73
PID 3612 wrote to memory of 1588	3612	b2e.exe	74
PID 3612 wrote to memory of 1588	3612	b2e.exe	74
PID 3612 wrote to memory of 1588	3612	b2e.exe	74
PID 1588 wrote to memory of 4392	1588	cmd.exe	77
PID 1588 wrote to memory of 4392	1588	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Users\Admin\AppData\Local\Temp\C776.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C776.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C776.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:3612
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CC1A.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1588
  - - 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:4392

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\C776.tmp\b2e.exe

Filesize
3.1MB

MD5
6b37edd72761eb10ecf6d3aba38fa73c

SHA1
25d8a4ddc239c7dcc5a36a586d649665367dbeb0

SHA256
8fd5d195f2f188fa8e665ffea7eccb21740ed4b325bee46997558b920ee2f1e5

SHA512
3d3a2a4fc95444daba48f0452ad874c248e48072be7ac9a749aebec3f83065bfc25ab87926cb3f230466de2769eec9f70576ee59c5edeede6f999450cfb8cda2

Download Submit
C:\Users\Admin\AppData\Local\Temp\C776.tmp\b2e.exe

Filesize
2.2MB

MD5
b6a558633dc13e01c86f714214bdd894

SHA1
95921cb72467d2a69885d7987fa6990ed3756e81

SHA256
85cd30b679653b5cc0ca0c6cb9e56e841122391168a2237121da79b28b9fd507

SHA512
d55e570830a21e8ffe9d7a769576afce67fa05396d4450818bfa45132e1f10e5bf8f10026e9fa621f0451f8908d7c9bff9590f64a85d5048af173f5e529aa7c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\CC1A.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
704KB

MD5
ce5f200d2d48a057722a957d5acc6426

SHA1
e7a8d4c0dc7b561dfa26e3fddaff015716187305

SHA256
cb450c8c0a952560f35f4b93f14357fc3856ee0b016eabf8bb4d20e9504d82df

SHA512
e7d3b203cc96d08b6d000f6845bbeb5777cd08babadbcb86266193ca68d8183973b3a92f5cf587df1f26bf04a182fa51001b7317c9a9e7ba868d1e26b897ee9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
512KB

MD5
a5993c0dd7587f1716037dcfe1f63091

SHA1
9a4d23ce36f5fc5791692b47d977c0bf92842879

SHA256
568cec1e1bdccf401232a78c8ecf2081fdaea221f0a7c777a69ec61307cca3e3

SHA512
c5457590162dc1a0fd6b179ba94f19e6265e2ca226ea1ec553358f568690bbc158335ee92c297ce699b2928d44702733269f82640d86bb499c1981a5903afc12

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

Filesize
512KB

MD5
6162b21c54b88c5c990e82aee951ebb4

SHA1
477384ab8ebe5f5a5d5a91603736d9ef53c12fd4

SHA256
462eb68967c7205145d0b92e4f3b69297f616187b07a189178f35f288063aff4

SHA512
6264ee49c4b8a6eaa69241e10ff9ab39445f85a57b756b8bc0530b45d77827d05e669dc06b689d4693db34e4161ef11b2cfe6f1954b0b90bcd434e81a938a40d

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

Filesize
448KB

MD5
ca123cec7f705c0af114e462349dc686

SHA1
75f90b4d95f6774b2f66e4ba790755ef118ab222

SHA256
7f141cdc0be9c965e21310bcfb0484b20d31ffd8a6a970f8b5a53c0e8974798a

SHA512
650125faa9ae6733f1118caf3101ca6850473f78f9bfc3a87e908eac1c69935e3bc269ffb5de4dd6e867429c1af35c7f3b9e62eb698fa7c9695d68e7115f3f1c

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

Filesize
384KB

MD5
eec15153c344f43f1919cb379b9ee2f9

SHA1
3e4a09390ac885ea2797209603bcfa1ec6ff0cc6

SHA256
4e4d7ecae87e8e656c61af89ef17146baf33fbf09ffbde6ae971d04e8e8f9222

SHA512
7cdf3552341d14979838f8fedf9ac63482152f193ab8f7e0af281ec50b2a43312d78c0e22e79989818c5041538fa69769350e1e6cf0789a165be1eb11ee29908

Download Submit
\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
384KB

MD5
d1d1f36cdbccda3b96e8c164afb74526

SHA1
91bafcd404c8568c9a195ec8cbf9592ea9e17e8b

SHA256
ea6e726150aa9a8dcf9ccb6a991440b451f9f2dcc46d93cb35971556879d1d03

SHA512
2306e6578ba2217b4f32913e1ac35e0547723b873c11244e96affd05457945373c621ea16a82e1e3aa1a177e3059efc40c8585118c63a3ea145524c51d1d18c9

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

Filesize
448KB

MD5
8185100383d0fe360c9198e5a883b08d

SHA1
ab398c469573f8e84d3cfcef01287a0604d6ab5f

SHA256
05ef7288b0d559bf67c3d69c201da9bdcaed0b49ecc538640f7b96c5b82eb538

SHA512
24930ef0caa1f2db2ed60f7dfdb832a172cf7747b0a336b051f73c0087a5f2fabff721487cb49cf5a3bc2be5426554b0a3a0e51541b6a4ca735646af24f1404a

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

Filesize
128KB

MD5
9746d1ac79c8b499d8b2224394581fa7

SHA1
36b1985eabfd8131ad9f2b7f69c903a3fce67629

SHA256
77941fbe96e0c797e6cf5419ee32bd3fcee69629cba37750146656a660c37182

SHA512
61a6174e2aced5b85cd614ad2f9d3da24c6b91e1fc04e10ff818222c4323cd043a59708bd35af0de84b004bf492fbc157d72907cd1e7ddf7082fc2a3563ef183

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

Filesize
192KB

MD5
625f906456510afaf916dd0384d76eee

SHA1
66c56574aff02fb199caa60ab71ca9f1c9e7fc92

SHA256
27baaef233592b03722c7d64c26d2270c0300ffb8e7f08a8e0d65212af4b848d

SHA512
041399c5ddc614d8b1a359238df8fb09258c95a0013e5139dbf4093b892395f5f78fa31fbecfee92966c5e78a5c5894005c98e559b8b5735ecf9c1995df51b17

Download Submit
memory/1284-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3612-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3612-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4392-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4392-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4392-43-0x000000005BFD0000-0x000000005C068000-memory.dmp

Filesize
608KB

Download
memory/4392-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4392-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4392-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download