73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
300s
max time network
299s
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, 05:42

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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
440	b2e.exe
984	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
984	cpuminer-sse2.exe
984	cpuminer-sse2.exe
984	cpuminer-sse2.exe
984	cpuminer-sse2.exe
984	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3400-6-0x0000000000400000-0x000000000393A000-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 3400 wrote to memory of 440	3400	batexe.exe	73
PID 3400 wrote to memory of 440	3400	batexe.exe	73
PID 3400 wrote to memory of 440	3400	batexe.exe	73
PID 440 wrote to memory of 3432	440	b2e.exe	74
PID 440 wrote to memory of 3432	440	b2e.exe	74
PID 440 wrote to memory of 3432	440	b2e.exe	74
PID 3432 wrote to memory of 984	3432	cmd.exe	77
PID 3432 wrote to memory of 984	3432	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:3400
- C:\Users\Admin\AppData\Local\Temp\B74A.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B74A.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B74A.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:440
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BBAF.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3432
  - - 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:984

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\B74A.tmp\b2e.exe

Filesize
384KB

MD5
3c0bec088d86bb620c8b42308d6098b3

SHA1
f486f2b80f76da0966fb3ccbc33fb96a4f890835

SHA256
1dfda8d76528af8231198a0ad4cbb09b05155c5e35f565ca78f81db527841d07

SHA512
bc4a62dacaf7990d21cc1bc04412acdd80659371fb4205065e0e917885076be8615d766f6640683642603c1c0e551efde0236acb3d6a772dc1af263cb1627414

Download Submit
C:\Users\Admin\AppData\Local\Temp\B74A.tmp\b2e.exe

Filesize
6.9MB

MD5
7a2ea07f1a974144b91ec5809c9ed033

SHA1
c0c11f79a651ae738485afb1d305602aa2264e78

SHA256
efe20180ff69f0c8db0c1383c90dad5b0564199225954d11e73437b5a0597a81

SHA512
76a76702112c1f632e9425587118eefea1e50939adb165f03ae8dcff1dd3e50f2b9d765fef966a0a4a96b61d0e560a36fd1e79a67fbb536dc68e8776155d6999

Download Submit
C:\Users\Admin\AppData\Local\Temp\BBAF.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
640KB

MD5
0f6af9e19fa927d88313e98d54420920

SHA1
0aff9c72864126107d6c630aafb9ed6512042afd

SHA256
71661d7077b93e2a5e53d7093e532bec1b66d34e3929bcb314eab7f431b84734

SHA512
bba078e2f4eb5ca45956657356f7419767a81679f34d9991bf28a1d44e412340d1002517f74a15583ffe20b32f1f25b60c47f4581100552dc1e651b3f88547be

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

Filesize
64KB

MD5
42871db599b90c630b2d75268c8b0116

SHA1
fb3a97b9517d4abe248a7c1a0fe0f528f40b29bc

SHA256
80110dd27dac90724987601037bc7d4bccdce1afd95aeffbfd8cacd813b891cb

SHA512
c32a1b46ab54abcaf179759b2aaa5aeec58a353ebe552b09ce1980ab54a9c702ae1e348c2a9c2020f74fa7c7bfb4d4bac78396f76b6bac04227436deca800438

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

Filesize
576KB

MD5
bfba8ef054be5bee0da072ed080beac4

SHA1
090e6e60a6f0f1e351978e91b99e8dce8e63413f

SHA256
81f3865864af4f5ae909e3cb60ec0e0fd028e37909315b0e3de8663a34391be4

SHA512
85a8d0b74341c10b3563209566415727a1d1503433908c26c3e861592c397a66afe3cc25bcb31119ec64e15fa078db361bc308474de1ec3f1a8c367d37c622b6

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

Filesize
512KB

MD5
6162b21c54b88c5c990e82aee951ebb4

SHA1
477384ab8ebe5f5a5d5a91603736d9ef53c12fd4

SHA256
462eb68967c7205145d0b92e4f3b69297f616187b07a189178f35f288063aff4

SHA512
6264ee49c4b8a6eaa69241e10ff9ab39445f85a57b756b8bc0530b45d77827d05e669dc06b689d4693db34e4161ef11b2cfe6f1954b0b90bcd434e81a938a40d

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

Filesize
384KB

MD5
4cb3a8d3af58faf78da4dd33a03029db

SHA1
5356e4fb04a7047f6fc82a4e071e4803f97a0f3d

SHA256
86df790940bd442466ea58a434a31aaaadd1d23a9e9bf5e6fe625ff49049d620

SHA512
244237f4a13a7666e9f9592451dbb8bb18ca1f828d66f97e2890fa8f6be690d8890848102a8be253542c9f4b154d9f0e1aeeee5a867c866b78b64f9949f48c89

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

Filesize
448KB

MD5
9d1a04f05f75671a5a3ffeb995176c52

SHA1
a45018bb6a5dd52b310c1eb77262354365925a76

SHA256
c777e9d786f5d1d13f78a925453804bf53ee430a38f893f115c2d1ac0f2f07ff

SHA512
d19ea63c26c1d41edd5947d0c5ae70e2461c876563c2baeb1fd4a3986254f7919f8d4c32a9d6b9f4c51c4d5a23ffa90a2011d293a106a0a8813295b2bee06e1f

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

Filesize
512KB

MD5
a5993c0dd7587f1716037dcfe1f63091

SHA1
9a4d23ce36f5fc5791692b47d977c0bf92842879

SHA256
568cec1e1bdccf401232a78c8ecf2081fdaea221f0a7c777a69ec61307cca3e3

SHA512
c5457590162dc1a0fd6b179ba94f19e6265e2ca226ea1ec553358f568690bbc158335ee92c297ce699b2928d44702733269f82640d86bb499c1981a5903afc12

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

Filesize
384KB

MD5
b91f7bb5508b343188ec32dcc7880611

SHA1
fe2ae7ba4a1bbb2a5df7b73f21a0b8fc745cc11f

SHA256
47881756cdfcb302e63efb2016c122a1bb61574d81186275aef3d5a9fb72b84b

SHA512
a5b91bc653cbf28219b6f169d5d849fb53eced9a932b8edf468c9092544795ee8120d5c76f0c45f27b7a2464c328f5bffcabf3e83d2e7236263ea930cf92eea0

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

Filesize
192KB

MD5
62069650d62f76a4cdf0e81172d99993

SHA1
3b20ec5b4a4320ee15b0f7b9715a9ab90f68346e

SHA256
779a5590c667d9a704b79e159259c0646737394fd66a9c0b12d13f9445ca091c

SHA512
ae1954a84fb7543465e77a4cd5cc1bdeee0cf848592958633e6c51702b42131daae64c302d5c9537c59a9b3ba9498e5bf913d1f6f757ccdb8c4183b33224852b

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

Filesize
320KB

MD5
1ae43cc09627ff82d15527ea2693fd76

SHA1
c39ffa1a4b80c29fa1f5caed3e7d091253266c66

SHA256
b63980c9d592a6d0d8521f74bd4c6f7cc4ae5f8c3320d2bd63764c56648ac45f

SHA512
21945e4e2fad3ee2b2a19d19bbbc1ada832c33a0d3bf499d6ac8f093b39021323ea0f7df3d54167a3456cbaf01ff126a6e6abbe17dd4eb8d5a24ca000888c271

Download Submit
memory/440-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/440-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/984-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/984-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/984-43-0x0000000069460000-0x00000000694F8000-memory.dmp

Filesize
608KB

Download
memory/984-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/984-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/984-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3400-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download