73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
301s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22-02-2024 08:05

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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
1256	b2e.exe
1616	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1616	cpuminer-sse2.exe
1616	cpuminer-sse2.exe
1616	cpuminer-sse2.exe
1616	cpuminer-sse2.exe
1616	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3060-5-0x0000000000400000-0x000000000393A000-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 3060 wrote to memory of 1256	3060	batexe.exe	74
PID 3060 wrote to memory of 1256	3060	batexe.exe	74
PID 3060 wrote to memory of 1256	3060	batexe.exe	74
PID 1256 wrote to memory of 1100	1256	b2e.exe	75
PID 1256 wrote to memory of 1100	1256	b2e.exe	75
PID 1256 wrote to memory of 1100	1256	b2e.exe	75
PID 1100 wrote to memory of 1616	1100	cmd.exe	78
PID 1100 wrote to memory of 1616	1100	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:3060
- C:\Users\Admin\AppData\Local\Temp\9412.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9412.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9412.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:1256
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\95D7.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1100
  - - 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:1616

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\9412.tmp\b2e.exe

Filesize
7.3MB

MD5
798476592b9366fb1885e236ad028033

SHA1
dcb1ab34675684c9afef623682c1e3cd49c07b9f

SHA256
a2b8d723611c3f4a345c8729bb4cacccc72db8979aefb902ab44edb0eb9ac50f

SHA512
205d73ae97d14ecaeee8cbc4bd840463aff6ca097cad93db521df9c7a24d20ed4074a0c5b7f2d39712fcccda47403f958d85af051136e01c38cb5e1cb791dcff

Download Submit
C:\Users\Admin\AppData\Local\Temp\9412.tmp\b2e.exe

Filesize
11.1MB

MD5
a1be827801286abff9177a7e5646c423

SHA1
57673df284195b4910e85e80f224965ea727b27b

SHA256
75e4df8ff04144471f5142ca23aa53ac3989912f20b14fdfd4f6e924ad450c6f

SHA512
54965b25ef9d70062180278732b66baa757263d49017a211ddbb898ebd436ed48262527ce6f625cc838fe2acf4a84e92ca2ccff7e7e618ab47f768a74cbb020e

Download Submit
C:\Users\Admin\AppData\Local\Temp\95D7.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\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
6.2MB

MD5
064cacffadb9b39d69407c9e6c6010d1

SHA1
efa526a928db33c96529330ea9d3eedcdb774aab

SHA256
67747dbdf40ad1f3891f584818a2a5f6797881a4ca034e2d9c09cac178e5111e

SHA512
a477f8be50c1d5728d779187990e316a5cbb4bb75f2afa77b3811808a0b1212334ec89ad952be550ffae08544af5f2810d2639ef7959892e3636b3be65771e4d

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\libstdc++-6.dll

Filesize
7.7MB

MD5
16783fd8639691861834dbaa52c83cd8

SHA1
84f326ceb15f088a4eceef9428b3eae005ee1e8e

SHA256
716d53e9903c0a6027f0f8a7bd3852f14099c072acd6b691fe6f171100ca17f2

SHA512
24e9f9859081831c9fb6bd76c7bc2bb45bd2868239ff0c18e5d55ef24ae011402cdc8641384964ee02b48aa2a4e2ccfc66976b23874f5d89fd267bcea2d5b79d

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

Filesize
5.4MB

MD5
1a88f25b2eedc4dd0c50ec453450bd7e

SHA1
71332a8a7a784cfbeddb9943554d8bc9d4ae85d3

SHA256
eee36d39096c0b6de6b9fa9c3728bb7bb500b357b9b3db888cd25d121e832105

SHA512
cb2f0cc577c0b0da9cff8bda19a5bfefd3da63a65f3bd78376d007fa6b7ee2b6d3207b26bdd34293c5cb113eb9f162637f20d186679bd88d385520c0fbb703d6

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1256-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1256-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1616-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1616-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1616-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1616-42-0x0000000056F30000-0x0000000056FC8000-memory.dmp

Filesize
608KB

Download
memory/1616-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/1616-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1616-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1616-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1616-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1616-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1616-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1616-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1616-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1616-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1616-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3060-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download