73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
306s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 12:43

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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
1524	b2e.exe
4732	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4732	cpuminer-sse2.exe
4732	cpuminer-sse2.exe
4732	cpuminer-sse2.exe
4732	cpuminer-sse2.exe
4732	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2148-5-0x0000000000400000-0x000000000393A000-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 2148 wrote to memory of 1524	2148	batexe.exe	73
PID 2148 wrote to memory of 1524	2148	batexe.exe	73
PID 2148 wrote to memory of 1524	2148	batexe.exe	73
PID 1524 wrote to memory of 3868	1524	b2e.exe	74
PID 1524 wrote to memory of 3868	1524	b2e.exe	74
PID 1524 wrote to memory of 3868	1524	b2e.exe	74
PID 3868 wrote to memory of 4732	3868	cmd.exe	77
PID 3868 wrote to memory of 4732	3868	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:2148
- C:\Users\Admin\AppData\Local\Temp\C081.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C081.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C081.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:1524
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C41B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3868
  - - 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:4732

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\C081.tmp\b2e.exe

Filesize
2.1MB

MD5
49f8e6dbb17011265972add3583ec238

SHA1
581dc50438bf5a5bf0a88b06ec1157a1a08759cb

SHA256
8324cb025652cf7569103f683172e766e314bcfc56a2681002a7f4f6231a4569

SHA512
a7f08931059e1c7ea5e3ccb779ecd3eaaa5e3595cb73827271b1cf8bf1a39f272cac3bfe140a1441e8ad0cbd853ca362099ba1de1f42f4521f0052dccf74414b

Download Submit
C:\Users\Admin\AppData\Local\Temp\C081.tmp\b2e.exe

Filesize
11.4MB

MD5
7d1c574b726ff9c2da598368f8e0fb73

SHA1
4cd13fa777ae3ceaddf39da843ff1daf02657836

SHA256
b6c2694f6b154511b810fb8dcc3cbcdb80907fba0230298c5e767dc59fb21731

SHA512
d1ec6e0998bdda1c680348ae460e2f4f7b8b675f2815c43979e1e040636800a7aa951354486357e18e53457c9a5b8f1d7dc74e6fc2e1e85186bb5b4b3fd5a430

Download Submit
C:\Users\Admin\AppData\Local\Temp\C41B.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\libgcc_s_seh-1.dll

Filesize
576KB

MD5
46e1c7531774dee6a7125727095ea354

SHA1
2248bc2bd821aded068d2e5e55f5e7271b50ab91

SHA256
cecc229ea9e416207638b67d03bc6846fa188a14fe1c9e75028afb48ff4e2081

SHA512
fa9dc86df3e0a8f7b2579785c03717a43eec14beab8ca3176f73d4ecb0716d047241ab30cd53518e7acd645e9f8282a20552a6fa33824c34afc5c5210cc69f2c

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

Filesize
576KB

MD5
13746f79a51eb8ce3107de99ffc6b56a

SHA1
64a00c99a805f8775f08cda4e4d06e1150195347

SHA256
2c04d5960f13e859d49c78a8858bdcb0c53914306eba52746105a76d98f5d205

SHA512
d0e69c6cf0078c858e8258a4038098e644d611b544b6588b2b1c9d2d2937ade0472edc96257545f5935514bfa18970f5762eb393def612c5a7027727397ca8d7

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

Filesize
128KB

MD5
8d949f4e279a9a80f50d7c2e0c7bff36

SHA1
92e29300716211895b2d8cd4cf010452f0132152

SHA256
2e87614d15e62262c8b0a0c65e302b15e971b591469f3c679e7e516934cf621f

SHA512
36565dc0a3290ac8c5e0fd0a2756764ce8e49a7ef52a437caad549c7ea1ac3ac7dfe05cd4951ed6b17051768fd9733c94365d85832092c429b0b74ab62a338fb

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

Filesize
640KB

MD5
ac7d1c3bb4d3c69372907331267c1ee7

SHA1
fa82689799785ef9ab4c304b1c1a6d2d9a961928

SHA256
d22689ab67764158df7b19e8d78ec1393899f21e390f469a300975a31106c3aa

SHA512
0d541661060d7c5eed486ea0377142e7d3883b3c0935114679af28bcae0b1767585fe06328955cf59aab4fe3d4acfba525dbc42675fbce80b7d0b2300784d125

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

Filesize
448KB

MD5
8185100383d0fe360c9198e5a883b08d

SHA1
ab398c469573f8e84d3cfcef01287a0604d6ab5f

SHA256
05ef7288b0d559bf67c3d69c201da9bdcaed0b49ecc538640f7b96c5b82eb538

SHA512
24930ef0caa1f2db2ed60f7dfdb832a172cf7747b0a336b051f73c0087a5f2fabff721487cb49cf5a3bc2be5426554b0a3a0e51541b6a4ca735646af24f1404a

Download Submit
\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\libwinpthread-1.dll

Filesize
448KB

MD5
9d1a04f05f75671a5a3ffeb995176c52

SHA1
a45018bb6a5dd52b310c1eb77262354365925a76

SHA256
c777e9d786f5d1d13f78a925453804bf53ee430a38f893f115c2d1ac0f2f07ff

SHA512
d19ea63c26c1d41edd5947d0c5ae70e2461c876563c2baeb1fd4a3986254f7919f8d4c32a9d6b9f4c51c4d5a23ffa90a2011d293a106a0a8813295b2bee06e1f

Download Submit
memory/1524-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1524-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2148-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4732-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4732-43-0x000000006C310000-0x000000006C3A8000-memory.dmp

Filesize
608KB

Download
memory/4732-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4732-44-0x0000000001040000-0x00000000028F5000-memory.dmp

Filesize
24.7MB

Download
memory/4732-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4732-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4732-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4732-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4732-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4732-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4732-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4732-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4732-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4732-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download