73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
298s
max time network
300s
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, 16:42

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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
4400	b2e.exe
3136	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3136	cpuminer-sse2.exe
3136	cpuminer-sse2.exe
3136	cpuminer-sse2.exe
3136	cpuminer-sse2.exe
3136	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4304-6-0x0000000000400000-0x000000000393A000-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 4304 wrote to memory of 4400	4304	batexe.exe	75
PID 4304 wrote to memory of 4400	4304	batexe.exe	75
PID 4304 wrote to memory of 4400	4304	batexe.exe	75
PID 4400 wrote to memory of 2736	4400	b2e.exe	76
PID 4400 wrote to memory of 2736	4400	b2e.exe	76
PID 4400 wrote to memory of 2736	4400	b2e.exe	76
PID 2736 wrote to memory of 3136	2736	cmd.exe	79
PID 2736 wrote to memory of 3136	2736	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:4304
- C:\Users\Admin\AppData\Local\Temp\D49.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\D49.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\D49.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:4400
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\145E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2736
  - - 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:3136

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\145E.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\D49.tmp\b2e.exe

Filesize
6.3MB

MD5
cef8dd645875b2d3ea25eabdd1b49797

SHA1
155e18ab6898a8d94fffece2746a89c102359f2a

SHA256
2692a577a2e248617dd5d49a2179b8cf3c8e31d722cb31508e66df023da2c9aa

SHA512
b23dae22597955a23e9df4cabc68d7ef449e5e778cc5920cd3e20e8d17e191151949a2be2f696b713788019358fb81faf4a0919a795a5e32d893ebd01ea7f9e0

Download Submit
C:\Users\Admin\AppData\Local\Temp\D49.tmp\b2e.exe

Filesize
5.4MB

MD5
20849d500adf882d9a36df3ea9fc9f81

SHA1
eec879d9e0f3689133b0daf337f731aed78da9a6

SHA256
694d25cc4b227106f92ce13d2f713a087d7477676c0ccc88b7adf63bbef0e02b

SHA512
a5427289e40cbaa1cee14b1d1a6f3e00d7728d74bf082e25d9c72291576b6fba4b6a2dcaf7f3a1f84e2c68d7328cc985c853f602c7a75fd1bfb1f978af756296

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

Filesize
455KB

MD5
f6a74786f8bdd487e563cd8fb03ccd51

SHA1
6b112814520499e66688e6dfdacdf3b10707939c

SHA256
06f42c63e5aac03e704aff0c31e3faa2c7c97d05064012a2f0ed96edcc7be07d

SHA512
082cba3cfdc65cc4877b4c54c39bc0c090a18a8d1c4e43bccf44072b3760a08f3d37ef512f1f12d4945f383117cacb9bf2f4a792648c0d70e223a386bddc7287

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

Filesize
355KB

MD5
1567e33c7c5d6337c8ca3db65f6be120

SHA1
ad9b92d71e0a386c5261e3f242be2abd3db5d55c

SHA256
4f618d2ffee8bb8bcd2a4af7b65bf3f9668fe08003bf0cb1a0ac76ef8101b7a0

SHA512
493392cf8239b874544f95f3fc0bfca8cefa8daaf83ebf865d26429b00a2ecc5209406cdd7d95b9b84c8b99acd18933ab2be5610a8e26cba2b1f841f60923cc5

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

Filesize
153KB

MD5
518bf52d0c94ee6df277ab366159259f

SHA1
5ceed9b37ac4787dcb378571bc6dfddd49b89706

SHA256
0fa9825799467a14a197d11dbe277aee31a03312fcc7344bd69e6f4e0b0d8dc4

SHA512
cf4edccbb828c51cf099987735eea88ae88a091010a52c31783c25df1cd7fe7aa054b1d18a8c5b32a88b8683a98e13edb8b4f8f0757e080e0ba3724d729b7cf3

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

Filesize
322KB

MD5
9b13e7d905d16b254c31e91f10d4b0e0

SHA1
e2fe1cf75ac23868f9685833c36fe738828fe240

SHA256
f53648125f376e70cede73a7957d5e81a1e0fa5f13ad7acc7a03322e94477355

SHA512
adc76c697a605ee50633512852746de06aea0392a6c2e4dd9d68e1765bdc7854831b6626efd466f87eadebf7e93e6e25a51cf5af7a686511b90e89048da802cb

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

Filesize
207KB

MD5
3dda4914c8d85514c88e76796dacd951

SHA1
e1cc2bef8ffa96b8d327fe46bf2fc1e18b6154f7

SHA256
8984df5bb980466d228e7f3ab2149305cc2d4355a4ed33e667442ff8a26ceaed

SHA512
f0772986b3fd490649a008606d287aa85d55085b743a5d8d017220f96316713a2090b95fe26cd4b58abd82e7f568ae42bbfd0233870f3a84f810b99cfc664c49

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
205KB

MD5
c34e6d477efc246179259bd4caeeeed3

SHA1
af9f730aa7453c54d7e4add52dd16bc680677cbb

SHA256
6ae98f1d8b0fe6efb7f65cab00248f54496f6eac4acd3e64154185982f185988

SHA512
2f47385f06834f9b206e3b832cb37c46e63fa736c27c6996f74435077792cf752e0e8906f1e93dd73cc556098994c4329ed82a8918c982e40591361ef53d07f8

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

Filesize
65KB

MD5
a0acc4cb6ae4328efbcb698b230b293c

SHA1
40cf6aa55624d471694b6c33f7a222920627022e

SHA256
454b6cc122eaecd93905908a88313b3258e19c06629b82273c751d409f713f75

SHA512
08649678c0ea7fd813db17151be61ada91bd30ba9f7ba1b2ba2c55f0dba920c637c9f5663ff95d764edd900298d9837126a582719403bc9076d45dc02c35e380

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

Filesize
57KB

MD5
4a91d8f522a86a4a67e44a7667410a6f

SHA1
7ecf2598d4da2b1b105991b2f5a49c8e14e648a4

SHA256
4ecdc95a5d1aac157a46642018b8ed1f005ee2ab6e9ab2bf8f38e961dc37ea4c

SHA512
aa5a94d3acb4c310f0b24d132556ff07ec17bc152e4575c7e3e3d89babc9768ac0be323f3ed89c796d145b28f19a7d8d880721077b4e503a2aa3b8990032f9e3

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

Filesize
33KB

MD5
7a6f7862aeb0d7ba82bcbb7492a71485

SHA1
3a71671705f65b6e67ed313aca13bc9d4e215200

SHA256
94c4683a0e8313e17845308349a9fdccfd2b4db7be373a8827020bce328b29ac

SHA512
268a55e3257bca03e0e05d323a6596588b633e6e55a6b8a94246fd1984f9f7210f52f97378a3f92910909907c2509033194c19218b8ce3e41552dc21ae4ddf08

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

Filesize
108KB

MD5
bfa2e1afa60fa72837fd97eecf7ac5cf

SHA1
aa1375129f93c25800b7ba69a7755971dcbe0d14

SHA256
1e70428840ba50504db4641492fa346d2b2d32a6c08827802e9c85787a9f47b5

SHA512
f676c05f0bebb55ecc88a2ed07c58dd39fbce1b1faea88f0f5f4415dd3e0cc819a91df67d486f2786091666b9de1f3809731199bbeacf1612b488df87617ea87

Download Submit
memory/3136-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3136-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3136-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3136-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3136-42-0x0000000070ED0000-0x0000000070F68000-memory.dmp

Filesize
608KB

Download
memory/3136-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3136-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3136-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3136-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3136-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3136-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3136-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3136-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3136-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3136-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4304-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4400-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4400-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download