73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
305s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 09:43

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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
1892	b2e.exe
3520	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3520	cpuminer-sse2.exe
3520	cpuminer-sse2.exe
3520	cpuminer-sse2.exe
3520	cpuminer-sse2.exe
3520	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2248-4-0x0000000000400000-0x000000000393A000-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 2248 wrote to memory of 1892	2248	batexe.exe	73
PID 2248 wrote to memory of 1892	2248	batexe.exe	73
PID 2248 wrote to memory of 1892	2248	batexe.exe	73
PID 1892 wrote to memory of 2280	1892	b2e.exe	74
PID 1892 wrote to memory of 2280	1892	b2e.exe	74
PID 1892 wrote to memory of 2280	1892	b2e.exe	74
PID 2280 wrote to memory of 3520	2280	cmd.exe	77
PID 2280 wrote to memory of 3520	2280	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:2248
- C:\Users\Admin\AppData\Local\Temp\A383.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A383.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A383.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:1892
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A846.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2280
  - - 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:3520

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\A383.tmp\b2e.exe

Filesize
2.9MB

MD5
9317cafb85becd9011ca213e7be3a2bc

SHA1
1c84c389734da0532809700191b96dc61527e382

SHA256
644eb7fd5f540a11f942d00b2233e715a40b8548294924fc054db1e08b293090

SHA512
65120a9f1410f4b9350788c5898557be3d3b195f03b3425895748764fc052048f38998bb455cef4f25f748c696821a9a4622c8f09f6ae4603dcd6882be451684

Download Submit
C:\Users\Admin\AppData\Local\Temp\A383.tmp\b2e.exe

Filesize
3.1MB

MD5
562b4451d1011f215b0432dc33906de7

SHA1
23852729159659643b15b818e963eabd2c85f2a6

SHA256
e685603657ec91c223497f4f390f4ffe130316a06e6bf5bff73f6667df1e6580

SHA512
e4332b4b0bfab0b99223ae0c158f8f1484a6d9cef0cd6e1cb2b3b21ed7641c8b7c151791419690962d3da91581ee3f34394db0a964cfbec846375043c24a1b11

Download Submit
C:\Users\Admin\AppData\Local\Temp\A846.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
384KB

MD5
eb8ea4d2595402528f73410e2c8651ed

SHA1
23abb385032a9317d00c826eb21e0fe6fc802c50

SHA256
fc3c5c1787c58c465ea47ab132afc59d209b1f7d319ae80a7913ed5c39157017

SHA512
7f4485a662859bdec898bb4f9675c8a834ab570ae7f4df2b6e95a9f5ab45f8fba612d04f0edfe22dc4bdcd3011af0536ed200731262056cd7bec332ce4b18573

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

Filesize
1.7MB

MD5
0a3ef7afb5b4ecd295316ad259681bc3

SHA1
09dcf7deff82f12b299d8e2bf311a9a45a448ff1

SHA256
79223a46ecb1d49bcda780ebc311a6f7e4c28966f3fccfe5288cd7bfa9c62be5

SHA512
893dd2afe6036624c2638b75fcd53e48779d21c4fb69d0362055d31280feefb5264c768ce26279db23ddc213c4cf2280d78390102b1224e9f00c40ff9a27e85c

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

Filesize
1.1MB

MD5
c92c77f1a0ac6f5dc252a0e6187d8345

SHA1
f7814840f3adb7a5f510c3cd772682d5542880d4

SHA256
2fc1c2da730cdbdf707f77739c0a6ccd5f598b75d7dcff31eed0f68549f1e043

SHA512
dcc271087d055c897b6f5ca858da460861a32f18100a211d794b57778f1c51b06f627e979ecb7e0c9fd06c2f41e4dbcfc168a21611810f867b14d033aab74111

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

Filesize
960KB

MD5
f3707fd5b389e53285dfb3815a4785b8

SHA1
788b2ac7be4acb28e804021893e11cdd44ee0784

SHA256
f7ef0e3e60989fac5636e6e5a018b730b403b75889125b56c4d07d6279e94c94

SHA512
f11d8577758db08f597987f525b4fc4c8c3f5181255f89281300968dc90fe4b298c322e3f531f768cd5014d116bb7161365c9d3fbaa76ab835405d8a1e231f26

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\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
1024KB

MD5
c6151ba2a5a47dc2053b8becbd8a0b68

SHA1
1f6d6821cc72fdc279db6c9ac0a4fbeec236f2f3

SHA256
1e2b0b487fca221e8095a470e0aeadf8151b008c54ec5f4c7a5b30582d88b90e

SHA512
c4ad99b39c67ce00f245da976fbddf54d6171b8fc33a60fc2fdaeedbf7b8615085de99069dc087c6b1890ad7a7486f559a2412dac7ab0cd301fe24867ebc1d25

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

Filesize
1.2MB

MD5
e5ad741b50e51cfb77f8bc80e669acf4

SHA1
19a1ecff5b7aa7008d0b1d70dc2aa4b1b2ed9e86

SHA256
c9edf0f5691a3cab0fbf0d94c28b2dccb6e155e541a871b29873aeeb1a7f1c1d

SHA512
1342b8d883586a5946bf83d6e31a4a078dcce1651a0ed2eabe3d539adb1a3b0c14f821161f82b228a3d3814bf39bbc401ffd5128c80805afd8cd4b37bbf04e63

Download Submit
memory/1892-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1892-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2248-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3520-42-0x0000000051130000-0x00000000511C8000-memory.dmp

Filesize
608KB

Download
memory/3520-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3520-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/3520-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3520-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3520-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download