73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
18/02/2024, 02:21

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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
1636	b2e.exe
2564	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2564	cpuminer-sse2.exe
2564	cpuminer-sse2.exe
2564	cpuminer-sse2.exe
2564	cpuminer-sse2.exe
2564	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2228-5-0x0000000000400000-0x000000000393A000-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 2228 wrote to memory of 1636	2228	batexe.exe	75
PID 2228 wrote to memory of 1636	2228	batexe.exe	75
PID 2228 wrote to memory of 1636	2228	batexe.exe	75
PID 1636 wrote to memory of 648	1636	b2e.exe	76
PID 1636 wrote to memory of 648	1636	b2e.exe	76
PID 1636 wrote to memory of 648	1636	b2e.exe	76
PID 648 wrote to memory of 2564	648	cmd.exe	79
PID 648 wrote to memory of 2564	648	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:2228
- C:\Users\Admin\AppData\Local\Temp\8D5B.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8D5B.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8D5B.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:1636
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8F5F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:648
  - - 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:2564

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\8D5B.tmp\b2e.exe

Filesize
4.2MB

MD5
a9fa1a3698f8783ba4b99e08096b654e

SHA1
42fd65fe46dee88805baf3b9b2ccfbb5cdbdc095

SHA256
77d5fc430b5ad47e745a2debf92019dd98714355e6a22ff740b946d8ee5348cc

SHA512
bd3ca56db429f4d8d1b08cb6f1acf339bcd9dcdd9a6d70a3473ee48da4e12866d48a33b73aeaf380c453bfdf982c2a3e8749091a8e7485a05f6f3f22b4a52a45

Download Submit
C:\Users\Admin\AppData\Local\Temp\8D5B.tmp\b2e.exe

Filesize
3.7MB

MD5
1c81a133b3db125a8670076deb8a0dc8

SHA1
6c97e88d48753d95245ad0efcb346d0683d8c3ee

SHA256
067303d49e2d27fbec74aba78782bfa3cc86bb470c331b0cfaa18053749e1796

SHA512
6e8151b1fc3cba6e93737aa1fc7b7d4f5b6bef234db92bb6c36f54293429dcd72885f3635210860361765d47f1e45a1b2c54e612c68c39cecdc53e7f40d3434e

Download Submit
C:\Users\Admin\AppData\Local\Temp\8F5F.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
1.9MB

MD5
d99c798c7f6cfe43995a514ef7f018b6

SHA1
02863f4de70e13f944aea63ad28afc11a092ce6c

SHA256
9641b85bdd0fb76c8f0a39622af56407f85c950eea746e0e74be2ca6291d48a7

SHA512
a2f262fda951109923ada8c66fb91e21ef9c2e891f4de677a20e8195add7f27efba23511c9d5801d75f83a9b3858aec5bcc14df243e958d91d05a1792bce5a9e

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

Filesize
2.2MB

MD5
f50b70e9913dbf9d1c51ae4e8b705b07

SHA1
4a60619b863339a73ce2c7c8303153c7e2ab4b19

SHA256
8c1804d1c0e1a21884041a3f9dfb20a2a0744d5f30c6fa2a5ba28cac1ff27c35

SHA512
63888fcf284e1ca14fa55dc2fc5daae5fa415ad196bf44aca15ca989735d199ae31b7a21b5e6cdcb9d552c21beafb3f2c7a35adc06ea9f640edfb922495ede37

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

Filesize
2.2MB

MD5
ee5b48f7860bbcd9b855d36e657cc804

SHA1
b44428677b43f7c914730c8b10ffecd72da1c78c

SHA256
9bb0410abf49d3223e9b81e9149a3c7bb567f366fe43be91752be0e90edb59ae

SHA512
c1997a0d13ccd83083f1ef118f68d6d95e863fc3a258b823445188ce12190f8016a794a2821813f5a18aab6858ee8fbdea39a32b6886707d5761a91a78531b49

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
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
3.0MB

MD5
1bc75742cbd1495681ba45240af90b94

SHA1
edf5e8b6d3a88a3d7bafa8e3b08ed21b85992f9e

SHA256
70971e746ed0a759354fb513bac6f26e11e78967703b0b328dc7e2e6693d8698

SHA512
c1e9d7cc249874fe81971347285a601dac09d9b0acf116fa76751256e96cb7b0d1ff6c76bdc5dd004aee0f6af9ead4692e7910a7b3e55a2d7812d2f441d12b92

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

Filesize
2.5MB

MD5
33060886a4b3b6cfdffbae7cec8219a5

SHA1
4782fe57f8850e0a1e91c628899763b82ed98c68

SHA256
74f19d1feca3ecb7e59ee0fcbeb346878c6e390968477c27679821c3cadad1b3

SHA512
424fa53ca415d9b37f03636ea585e39176631c7141be48de13f94042cdd997e0ce26953d186931a5989c667bcfb8e58f6379b2bb6a9a6c08e89948340cc8498d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1636-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1636-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2228-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2564-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2564-44-0x0000000001160000-0x0000000002A15000-memory.dmp

Filesize
24.7MB

Download
memory/2564-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2564-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-42-0x0000000070100000-0x0000000070198000-memory.dmp

Filesize
608KB

Download
memory/2564-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2564-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download