73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22/02/2024, 13:47

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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
1948	b2e.exe
3400	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe
3400	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3960-4-0x0000000000400000-0x000000000393A000-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 3960 wrote to memory of 1948	3960	batexe.exe	72
PID 3960 wrote to memory of 1948	3960	batexe.exe	72
PID 3960 wrote to memory of 1948	3960	batexe.exe	72
PID 1948 wrote to memory of 3956	1948	b2e.exe	73
PID 1948 wrote to memory of 3956	1948	b2e.exe	73
PID 1948 wrote to memory of 3956	1948	b2e.exe	73
PID 3956 wrote to memory of 3400	3956	cmd.exe	76
PID 3956 wrote to memory of 3400	3956	cmd.exe	76

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3960
- C:\Users\Admin\AppData\Local\Temp\A73C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A73C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A73C.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:1948
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AC4D.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3956
  - - 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:3400

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\A73C.tmp\b2e.exe

Filesize
1.6MB

MD5
1e9446ffe80055b0d0681a975585d4f2

SHA1
e2b13091250549c39e6156044d3d826cfa7cc936

SHA256
6a5e65eb48e3c9f4a594a64b60d57436418cec87e75c9cf93d55746ef761e17c

SHA512
fc3ca72c1070ad153cb9f99b6a1665efb80d83005f575d70437af8d87164bff1c689305570feb80d84889a31fdc0ee1b375576fa9594ee303c2ab0776bf0e2fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\A73C.tmp\b2e.exe

Filesize
1.5MB

MD5
c661da21b8579d0fecfc2d0f2baed870

SHA1
479dea9a4227e52cdc82696d0461208f5b7954f0

SHA256
30c30cbd3f5b7762ef6494c61486c9600044e71a53572321bfe2edeffaef1a8f

SHA512
a50a0b986688955452ebf28597abfaef9a4af9e3879fd2d903dd8ac73a2cab645fea73dc6bb0216990e345706afb18cfa552580d545cc32abf7e5cf998e1d061

Download Submit
C:\Users\Admin\AppData\Local\Temp\AC4D.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
832KB

MD5
43dd8ab1a0fd7f177db516faa81a9635

SHA1
66a8b6940797f3396a4f1a6deafca1fda5bffcdd

SHA256
d4b58fa7e09511b58f312b57e2067823a7f31ff5cd6369cbf5ef3667c27b60ea

SHA512
064753e38fb6e2d64a8ce067a52c24b55eb11cf714a534f3557a0e2bd2f5fba16030d8496c7787f4b272ae6a696f4b017d99771488832d12711a7158c927f772

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

Filesize
896KB

MD5
9f9a8fea08bacf3a1d155567fead5940

SHA1
9d9ba8746c585446f53f442b800e1eb28a0df86a

SHA256
a22f9d8fb953e4f6bc93cdcc8aa650a5a093f1dd400fdc501d5aa7b00bee0289

SHA512
d41a048619373832c616d48f919595ac50dfbbd68095aec008b30adde91ceeeb86326c7d412ab20d937bab7096fb8165d3da8b4fdc40a03cc32da9ee3e9dc2a2

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
896KB

MD5
f83929cce536e71a3a11e2236c2c6c5f

SHA1
bd0065486a784f1c91e08ada0c3a8f383e23c874

SHA256
f3c7a692875dec174d83dd723c63661fc9de1c0b6548fe3a3f8f8f2015507798

SHA512
815083437ad5659626fba85fa9e31a33ba418d3e1d5f1ec1c7ba77ff5214618493b37821aae3b5b52838ad47f4a7e8c4a3594ee0f970025bc3ee425e9eb50152

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

Filesize
832KB

MD5
2bfa2b9803bf342837d2cfe9b2b57f64

SHA1
e89eec3559c4904ce523943fed97f3fa2534ab39

SHA256
38710a4ce8976e3e452fe43563f28f9a8259165fd68ca94f5d64f5f4a299b6ab

SHA512
d099f07ca1cb598bdd6f563d917fe3ddcf3f6f37b589f68da987426e416492acf3dbfb2e18387d9afb168308d55c9acfb568c3d31735ab307fc070ff4da93793

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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

Filesize
832KB

MD5
9b527cc7775e3fefc75ebd6cf497b81b

SHA1
7405b4528854589bc404f55c0e591d2e534d8d63

SHA256
eb4270d5203fe07ee63a7161093d69577ada5ad4ca659a6181d63953a69bca72

SHA512
6471f61ebc78e6ab30cce7cb444c582a8a24cbcbff1a8cc3d22d20d299d53c6377127e76bcc2a1e2c9108cd65d6fb89d42ddf89b04140c8e225f5115984a4b85

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

Filesize
640KB

MD5
1b7339cbcb5b756c15c05fe0cc6443f3

SHA1
abdba01c4526a9bbbb7fd3853e09bce3cbb5287d

SHA256
5fcf0fb116f77206758e3a669ec4fa52648fae431a5c2aa2d7ee69944142e019

SHA512
7661b5e8413e74432a00089b1556b2f49e268b6b5c8cefd839cbe19074bffd138c18e8078627420f4082f579a9e3f8d02b199507ae36380b5375162a4d4ba439

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

Filesize
576KB

MD5
13746f79a51eb8ce3107de99ffc6b56a

SHA1
64a00c99a805f8775f08cda4e4d06e1150195347

SHA256
2c04d5960f13e859d49c78a8858bdcb0c53914306eba52746105a76d98f5d205

SHA512
d0e69c6cf0078c858e8258a4038098e644d611b544b6588b2b1c9d2d2937ade0472edc96257545f5935514bfa18970f5762eb393def612c5a7027727397ca8d7

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

Filesize
512KB

MD5
5fd46a66845c804b88dcd97ffcd66652

SHA1
9556ce5607bdd245c8e4d6a24b8217def653f57b

SHA256
b7fd85a2268a4d62fa15fde3d9e51d6fa3bc865cb4d8e5fdca309be7b027f193

SHA512
0896697d588401a6d29c30e77574ece4f0ba699b082b1bad93964748313a5903eb4994ec81c61bfcbd75f2be3f5200dadda3fd1454381cc5874a9c8952ebeedc

Download Submit
memory/1948-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1948-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3400-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3400-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3400-43-0x0000000069240000-0x00000000692D8000-memory.dmp

Filesize
608KB

Download
memory/3400-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3400-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3960-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download