73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
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, 06:05

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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
2304	b2e.exe
1820	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1820	cpuminer-sse2.exe
1820	cpuminer-sse2.exe
1820	cpuminer-sse2.exe
1820	cpuminer-sse2.exe
1820	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/308-4-0x0000000000400000-0x000000000393A000-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 308 wrote to memory of 2304	308	batexe.exe	75
PID 308 wrote to memory of 2304	308	batexe.exe	75
PID 308 wrote to memory of 2304	308	batexe.exe	75
PID 2304 wrote to memory of 1608	2304	b2e.exe	76
PID 2304 wrote to memory of 1608	2304	b2e.exe	76
PID 2304 wrote to memory of 1608	2304	b2e.exe	76
PID 1608 wrote to memory of 1820	1608	cmd.exe	79
PID 1608 wrote to memory of 1820	1608	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:308
- C:\Users\Admin\AppData\Local\Temp\925D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\925D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\925D.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:2304
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9460.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1608
  - - 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:1820

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\925D.tmp\b2e.exe

Filesize
2.9MB

MD5
9317cafb85becd9011ca213e7be3a2bc

SHA1
1c84c389734da0532809700191b96dc61527e382

SHA256
644eb7fd5f540a11f942d00b2233e715a40b8548294924fc054db1e08b293090

SHA512
65120a9f1410f4b9350788c5898557be3d3b195f03b3425895748764fc052048f38998bb455cef4f25f748c696821a9a4622c8f09f6ae4603dcd6882be451684

Download Submit
C:\Users\Admin\AppData\Local\Temp\925D.tmp\b2e.exe

Filesize
13.1MB

MD5
9e263c36183434fa6536db9be3ab1eb2

SHA1
b5dc9f8a3a1f106833f3b3db309ff4c61899a3b6

SHA256
557649c096f7ea778875e8bdeeff49c16fd0f7666b40daa761288710d05cc175

SHA512
3ce5881406c54b4274d37b14b3a1376d1f7fd69d812ae30ce702f8c21833ca751d2304c201a116a2367dff648e65bb627d10ffc191e6c50c3164d3a85c78a282

Download Submit
C:\Users\Admin\AppData\Local\Temp\9460.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
2.3MB

MD5
4c04147c386ba8792ac6a03069572a8a

SHA1
dda67789fc1d0f2469ca95f01a5c81034853ca6a

SHA256
c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

SHA512
a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

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\libstdc++-6.dll

Filesize
13.0MB

MD5
90464af1f7b93dbc59701be5a396a33e

SHA1
529d46941d505020cf0c5bb2e70631f0f61e5a91

SHA256
72d883d85ff3215ea0efcb877a5aafa84df173d46f03c9d68839e5b771c025ef

SHA512
5aafd22b4902974cf14f262bd7653715d8b6f6b1c37aa5f19e772005155c559649a836e8648d92bf8be029d2319727c8068bbf849072962d8daadfbb09fec31e

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

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
10.1MB

MD5
e12924ad18e9e986f5ce153565cd6a53

SHA1
432cc27a57ab0c6d2dcd0d20319ec749af99b733

SHA256
b211799a85e1bd32cca85e038cbc52605315f22b7293827dc28e2c25793afa65

SHA512
66e9fdd87ba540ee18394ee9ebdc9ddb081aaa7cb3218c963a93eeef0e6985b5f5960e4fb1e3dedfaefd621374061d13cc6997ddf8c35b21d5111d535743ee50

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

Filesize
11.2MB

MD5
b9ad5f663bbd63c2c69a81f1ef06595a

SHA1
e8535638c345a1ee8442ce8cadb8ef7a2d1fc655

SHA256
f8eb0236e7de1306ffd1dc3e82a9b701c9466a8e2577b6c23b7827124bbd0d77

SHA512
6f0664f3895d16e1e2d40dc370daef8df4763617b24be73ae6a25bb5190c233cd9c1f0bcd3bb0900c40ae653782bf7c34f7bee9670144b7c86b4f8106ab700ee

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/308-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/1820-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1820-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1820-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-43-0x0000000065D00000-0x0000000065D98000-memory.dmp

Filesize
608KB

Download
memory/1820-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/1820-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1820-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2304-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2304-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download