73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
299s
max time network
305s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 22:39

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General

Target
batexe.exe
Size 9.4MB
Sample240223-2k66jsaf55
SHA256 73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72
MD5 cdc9eacffc6d2bf43153815043064427
SHA1 d05101f265f6ea87e18793ab0071f5c99edf363f
SHA512 fc6945957e160bf7059c936c329aae438e6c1521e5e43a8434f58058230d89e818eb6ff80331a4b952dbb600b8cc134ecba54e5641bf549723c98f85e993fde6
SSDEEP 196608:ERAefrn9wcsTRAJgwusnWpV3h9XxSeEGaT+TKkGzySdUkI56kBIyky:E5Tn9YVwdnWLXxkvLlzkuv
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4544	b2e.exe
4552	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4552	cpuminer-sse2.exe
4552	cpuminer-sse2.exe
4552	cpuminer-sse2.exe
4552	cpuminer-sse2.exe
4552	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1040-6-0x0000000000400000-0x000000000393A000-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 1040 wrote to memory of 4544	1040	batexe.exe	73
PID 1040 wrote to memory of 4544	1040	batexe.exe	73
PID 1040 wrote to memory of 4544	1040	batexe.exe	73
PID 4544 wrote to memory of 1944	4544	b2e.exe	74
PID 4544 wrote to memory of 1944	4544	b2e.exe	74
PID 4544 wrote to memory of 1944	4544	b2e.exe	74
PID 1944 wrote to memory of 4552	1944	cmd.exe	77
PID 1944 wrote to memory of 4552	1944	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:1040
- C:\Users\Admin\AppData\Local\Temp\EE86.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\EE86.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\EE86.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:4544
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\F3A7.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1944
  - - 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:4552

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

b2e.exe

Path C:\Users\Admin\AppData\Local\Temp\EE86.tmp\b2e.exe
Size 704KB
SHA256 85151a35fd2a7ef587918c4702b2adbe0c3e7eed43bc8564a662ed03a6f3ce79
MD5 2bb8bf63c7d7958f71f9307c8635131f
SHA1 2362f18b011bd1e60fa078052821edefa33b8e08
SHA512 59eba9edea2b2af76f261db76b15912b20070d75db7cf498d55a1bc13f11692d016c9a70ed447a784c874f6d11582112312f3d058443606eb4b6de349a4857ec
SSDEEP 12288:jbWaG1aL27gMy70wW4QXQOvWrPZ1jU292klJ5WiQtfA2qSOFm:HWH1K27gMyIwW4QXJWrPZhYOh0
MD5 SHA1 SHA512 SSDEEP

Submit Download

b2e.exe

Path C:\Users\Admin\AppData\Local\Temp\EE86.tmp\b2e.exe
Size 8.6MB
SHA256 a8a116df87345d264c3aced4903c62414087b72f30a243382daa2dd10de39c2f
MD5 a9f759a6141ef6b7f5f0a82ef612b43f
SHA1 e8b39541b904c58f0ad2c301d7e30cadb6d825e4
SHA512 dea31c62d280c9f89b03eb9e96471a973af292628fd83160abda6d7445d74a131c8ab218af24fd896b708b8c0ffe2e15a466bd02314488e598f67d7e77bbb0e9
SSDEEP 98304:2Vh7J/WrocAdkmBtKCLaDr/4Q8FD9Ck6jBVFh0uE:wWrJQ9CuN
MD5 SHA1 SHA512 SSDEEP

Submit Download

batchfile.bat

Path C:\Users\Admin\AppData\Local\Temp\F3A7.tmp\batchfile.bat
Size 136B
SHA256 65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9
MD5 8ea7ac72a10251ecfb42ef4a88bd330a
SHA1 c30f6af73a42c0cc89bd20fe95f9159d6f0756c5
SHA512 a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0
MD5 SHA1 SHA512

Submit Download

cpuminer-sse2.exe

Path C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe
Size 2.3MB
SHA256 c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd
MD5 4c04147c386ba8792ac6a03069572a8a
SHA1 dda67789fc1d0f2469ca95f01a5c81034853ca6a
SHA512 a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db
SSDEEP 49152:Wkpplb/LHkmgDlX3+57Uad1bBLTqgC+JZchTbO8rLG:xvN/LOOh6
MD5 SHA1 SHA512 SSDEEP

Submit Download

libstdc++-6.dll

Path C:\Users\Admin\AppData\Local\Temp\libstdc++-6.dll
Size 9.3MB
SHA256 00548f4a7f23a1ec02837ee38f3daf4b27a97e9d198a458c0b756656ed8bbc01
MD5 3668f87b8a430b320b3e00e03c600693
SHA1 7e8ffd62ebee46e716f7f7ff74cadaf416e75cc8
SHA512 1f077d27ead0e561b49c1d26c48016a6fe305f472f60b18a5ad4c8384efc770ac1a68d23de0593ab8324929dfcbc57f0590c99dd743647459f841cf260081db4
SSDEEP 98304:DGGvDsCt2HINpzk8sZg920ipTqP3eA9J8a6ina7JdHZnyyqC3cSDs:DGGvJ3fnM3HZnJQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

libwinpthread-1.dll

Path C:\Users\Admin\AppData\Local\Temp\libwinpthread-1.dll
Size 606KB
SHA256 2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232
MD5 585efec1bc1d4d916a4402c9875dff75
SHA1 d209613666ccac9d0ddab29a3bc59aa00a0968fa
SHA512 b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770
SSDEEP 12288:IrAim3Y9lrzf34z//KRwwtkIr1PznEcyJwV2Zug8UYWTh4x:IrAim3Y9lrzf34z//KRwwtkIr1PzEcy8
MD5 SHA1 SHA512 SSDEEP

Submit Download

libcurl-4.dll

Path \Users\Admin\AppData\Local\Temp\libcurl-4.dll
Size 836KB
SHA256 218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9
MD5 aeab40ed9a8e627ea7cefc1f5cf9bf7a
SHA1 5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8
SHA512 c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8
SSDEEP 24576:xufMF9VdLNrjhHdLI8cUlOb1w4yYhJWOrXQB:cfMFhBr19LI87lOb1w4IOrXQB
MD5 SHA1 SHA512 SSDEEP

Submit Download

libgcc_s_seh-1.dll

Path \Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll
Size 1.2MB
SHA256 c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05
MD5 7cf672bee2afba2dcd0c031ff985958e
SHA1 6b82a205db080ffdcb4a4470fce85a14413f3217
SHA512 3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5
SSDEEP 12288:ynYk4yH15191n1q1x1c1vw6t8a1/hKhbhdhvh3hY6Dhch3hhCZ1c1eCJ1MC1+1MH:mnKt/wDm1nazZffMMcUvQlRg3J6f1SGK
MD5 SHA1 SHA512 SSDEEP

Submit Download

libstdc++-6.dll

Path \Users\Admin\AppData\Local\Temp\libstdc++-6.dll
Size 7.0MB
SHA256 ef536a93fbc34ba8e64aaad734d4dc75b87892a5798447eb1943c5ab0eae7fdf
MD5 51938f208ab7ce2700ddd9f763eadd0f
SHA1 5b2067861b34615d61276b0169537dd81f50f40d
SHA512 8369c3b3295abe11c76336fc7448f86876bd6def39a27de9189bb93a87468e2fd2fdf68faca774eaa1ce72ed11090024039bfbe6dec36f72c620eb3114554c47
SSDEEP 98304:DGGvDsCt2HINpzk8sZg920ipTqP3eA9J8a6ina7JdHZnd:DGGvJ3fnM3HZnd
MD5 SHA1 SHA512 SSDEEP

Submit Download

libstdc++-6.dll

Path \Users\Admin\AppData\Local\Temp\libstdc++-6.dll
Size 3.2MB
SHA256 36ead973ad142c587f1bb8a9743764a656468ccd20745fd136e9715845a60db8
MD5 4ba51089667cd8c67341b5a56764f8b9
SHA1 ea6e08f35e291db820f92fafa7d9c6afdd594479
SHA512 c64a160a128d5fef5fcd8e79ac736f2eed7c800adea4d39d312f6e960af1b4aa3ae62d761bc03c19c19903545698def4133e54027a0f3d1d09a90e03d66848a5
SSDEEP 98304:DGGvDsCt2HINpzk8sZg920ipTqP3eA9Jn:DGGvJ3n
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1040-6-0x0000000000400000-0x000000000393A000-memory.dmp

Download

memory/4544-55-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/4544-4-0x0000000000400000-0x0000000000405000-memory.dmp

Download

memory/4552-40-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4552-56-0x0000000000400000-0x0000000000667000-memory.dmp

Download

memory/4552-43-0x0000000067490000-0x0000000067528000-memory.dmp

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memory/4552-44-0x0000000001110000-0x00000000029C5000-memory.dmp

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memory/4552-45-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4552-50-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4552-42-0x0000000061440000-0x000000006156B000-memory.dmp

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memory/4552-41-0x0000000070800000-0x00000000708BC000-memory.dmp

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memory/4552-66-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4552-71-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4552-76-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4552-81-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4552-86-0x0000000000400000-0x0000000000667000-memory.dmp

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memory/4552-96-0x0000000000400000-0x0000000000667000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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