73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

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

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14-02-2024 14:46

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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
1764	b2e.exe
2892	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2892	cpuminer-sse2.exe
2892	cpuminer-sse2.exe
2892	cpuminer-sse2.exe
2892	cpuminer-sse2.exe
2892	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-6-0x0000000000400000-0x000000000393A000-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 2236 wrote to memory of 1764	2236	batexe.exe	74
PID 2236 wrote to memory of 1764	2236	batexe.exe	74
PID 2236 wrote to memory of 1764	2236	batexe.exe	74
PID 1764 wrote to memory of 3036	1764	b2e.exe	75
PID 1764 wrote to memory of 3036	1764	b2e.exe	75
PID 1764 wrote to memory of 3036	1764	b2e.exe	75
PID 3036 wrote to memory of 2892	3036	cmd.exe	78
PID 3036 wrote to memory of 2892	3036	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:2236
- C:\Users\Admin\AppData\Local\Temp\93C4.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\93C4.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\93C4.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:1764
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9579.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3036
  - - 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:2892

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\93C4.tmp\b2e.exe

Filesize
5.2MB

MD5
e6019d0db367d64c11f9c51477e15eca

SHA1
855cb87dd071317bd12440842ae0a1287527cd77

SHA256
315464a9dab5b7d5ba06ef144993677b3ef0d23c8faff7fa105d3df7a7411084

SHA512
4c0518b142201b99c5fe542ca9476fe0a7e6f8a1144e21cfed223e597269085a05fcc83e845800e42e49db26fb9cb03184212d9afcc3b7df1eaebb6420398ffa

Download Submit
C:\Users\Admin\AppData\Local\Temp\93C4.tmp\b2e.exe

Filesize
5.6MB

MD5
be5133285b613ff7e068f98062793414

SHA1
1e0d0a2f8fe5bdda19178f5f3755bfad1d6dcb74

SHA256
115a5017e7f6e20aa6afb9790375a34a85d335a40a9aeef41503e70e27a10a16

SHA512
a88f57e1f21818190ab73b219035ca675d6af339b1aeaf06adbee97f7fb4c909dfb02fb6ee46d00ab6115a56f20095f37785a968d0473b03426b997efaf9118d

Download Submit
C:\Users\Admin\AppData\Local\Temp\9579.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
3.6MB

MD5
8918c11cda6ca80c71e3669d1c46122b

SHA1
41699c2216408500fda02f05eb718b2cc32eb34d

SHA256
2b2ce68869195dc6728c1c26b871d8139fecf01a728fadf12796b6d1db9887c4

SHA512
50bfa3740f95d8fc5169de135ee1fac8d13bfb3e996272a5adb95faa94ebd66f761df42a8def17933ed8f94aea40a5fd5322826b44c9eb753316b70da043c106

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\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
3.1MB

MD5
2393a552a11060d6a373a9d9a4ddae2f

SHA1
e123543ecca470524a526598345655fdcb43f4a1

SHA256
6698135d35a8027f3771228ed253849290f9773abd3ae4c59dd53776ff01e9e1

SHA512
423cf45e7d388bc716b80527304270f1f3e493f84a26d36e66445350abc0f4d41a5fb1a76467be9d4f78d0b2544625026b6a72e73ed3b55134d2ae7ca59c4f7a

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

Filesize
2.6MB

MD5
0611f522157713a5e86de8d89a3ca24e

SHA1
f0abe8febc011c7817129a530e45764c61d8bf64

SHA256
1289396854e74c38db454d6fbd48e5fe4a9202d4daffeaeb3d8c5faef0a9d976

SHA512
e777c675a93cf0d5a3fd2197f6a79c461f7e298fbe00efd2b957bb089c1832c340d96765b65e17d610bff50c4693773f10f2bcdc1aa9d215a4a2095b1ad22556

Download Submit
memory/1764-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1764-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2236-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/2892-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-43-0x0000000068570000-0x0000000068608000-memory.dmp

Filesize
608KB

Download
memory/2892-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/2892-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2892-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2892-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download