73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
24/02/2024, 04:58

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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
3140	b2e.exe
3696	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3696	cpuminer-sse2.exe
3696	cpuminer-sse2.exe
3696	cpuminer-sse2.exe
3696	cpuminer-sse2.exe
3696	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3060-6-0x0000000000400000-0x000000000393A000-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 3060 wrote to memory of 3140	3060	batexe.exe	74
PID 3060 wrote to memory of 3140	3060	batexe.exe	74
PID 3060 wrote to memory of 3140	3060	batexe.exe	74
PID 3140 wrote to memory of 3760	3140	b2e.exe	75
PID 3140 wrote to memory of 3760	3140	b2e.exe	75
PID 3140 wrote to memory of 3760	3140	b2e.exe	75
PID 3760 wrote to memory of 3696	3760	cmd.exe	78
PID 3760 wrote to memory of 3696	3760	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:3060
- C:\Users\Admin\AppData\Local\Temp\73E8.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\73E8.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\73E8.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:3140
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\761A.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3760
  - - 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:3696

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\73E8.tmp\b2e.exe

Filesize
4.4MB

MD5
f49e7a36123b6b423f56cf48e34fe97b

SHA1
e09ac0a0cd4dff8e18cb0cd9387c02a2706ea1e0

SHA256
1333d894d5c73547649e050bddaeb2f6671d9298527d1f9ee0db3cdead1098af

SHA512
9cb00fdcad3627524e4f43de6166edd995d335b21a32b3ed4079189c27b428881e21d5d8e5e889a3fbcb43c6a65181b264842fee93e47e243e4450abdfbb092d

Download Submit
C:\Users\Admin\AppData\Local\Temp\73E8.tmp\b2e.exe

Filesize
4.7MB

MD5
39a1fc53fd8445b133e122e718a2ece2

SHA1
d5d260255668ad2b37cbc498b7aa0f3b5257de0b

SHA256
c8b6fdd3c4c29177b3a94d06afe687a72078feb96fa7c5d94d72dfffc66cf92f

SHA512
7b2eb59a42c8cc21f11b4f1a2a4647ed219c626c5ebc18e8b94e0a26f204b3c7e43c351198c590d4223f97c9903123a7073cbf81e9974068fbe775a26e8d02b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\761A.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
1.7MB

MD5
43f4fc0afddd28551167ec98142dd53e

SHA1
b076b76ce1f9c1be8d6b523ba1a40f6dad8380eb

SHA256
f23cce89905227e9f4cfad89dae261808dea4fc327a259c5ac7a22a030b9bc76

SHA512
0e3fd1ea1321418bfda2236bff02da1dd8a661ea37c2051b50bb63813a7a95590c8e07cbecf8f50444cf51a3c0122e39516034a76f41945105f4fd64e239253f

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

Filesize
1.4MB

MD5
2af1ce05b5a790b134eefd1efd88dab7

SHA1
b078e6f3cf7ee356e0d9b671c6d33f3a6e777524

SHA256
ce4cb4f4e60a89cbf413622a7f96f879ee15256d4ed5872ccbc3f2b366369fe3

SHA512
bc08666b4c96fb98b1e1a9db0ec10c5bbcddb82efc4829d65057f765a37a24f6e28076300dcc3f07c0b547b563593232f90d959607ee6a5faca26b27364cf695

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
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
1.4MB

MD5
0944dcb182c16758aef117b9c3c41a0c

SHA1
96199eeaf1fefd52af477b8c3001b1b052980911

SHA256
fa5c044e2135de125af0fb3b166be0370ade4e4a0c59bbbdf391d2958c2a6761

SHA512
3cd3a5ebc7b70d41f9bca913920edd9a5e1c35a6a34f44fe569003b50841e639af378a3efff90d11e65839b47f1470984818b64fa7fabf3fb9a11abda61e74ec

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\libstdc++-6.dll

Filesize
1.7MB

MD5
15db89675cccf9bdd9e22d7157ec91d2

SHA1
884b6a4b90956e47dc67458c73b5497ca993960f

SHA256
50a3150ca5a0c336a1b2d139fade4b053e2dad303f824d6d7b7364e88a6c8c05

SHA512
70a3bfe0719285906f2158db6580a23662bd8928338c7e6250aeb5ad5f4ac17aab8e68538df293f0092b673750ba6205432d901bbef52276bfa6124b487ddc4c

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

Filesize
1.3MB

MD5
170e7e011c57b7a1bbe9f8c9e1eefee5

SHA1
1d42d3457e2cf9f7e5d00efa62d4027d6c96be58

SHA256
24eb06b95d8262649ddbafd061c6c0744260a64770dde95a550cafcdb1b92420

SHA512
cc2b53d17a7ac2ca80b48ce9dcb6bf80bee307f0223e666c273204886869a3f88f558f8b0dca5fa6f673aa3157b52e6f8e4dccd2e125b6dad70f47e2f8806b63

Download Submit
memory/3060-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3140-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3140-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3696-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3696-43-0x0000000062330000-0x00000000623C8000-memory.dmp

Filesize
608KB

Download
memory/3696-44-0x0000000000E50000-0x0000000002705000-memory.dmp

Filesize
24.7MB

Download
memory/3696-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3696-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3696-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download