73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
301s
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, 03:05

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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
3832	b2e.exe
4344	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4344	cpuminer-sse2.exe
4344	cpuminer-sse2.exe
4344	cpuminer-sse2.exe
4344	cpuminer-sse2.exe
4344	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4756-4-0x0000000000400000-0x000000000393A000-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 4756 wrote to memory of 3832	4756	batexe.exe	74
PID 4756 wrote to memory of 3832	4756	batexe.exe	74
PID 4756 wrote to memory of 3832	4756	batexe.exe	74
PID 3832 wrote to memory of 3584	3832	b2e.exe	75
PID 3832 wrote to memory of 3584	3832	b2e.exe	75
PID 3832 wrote to memory of 3584	3832	b2e.exe	75
PID 3584 wrote to memory of 4344	3584	cmd.exe	78
PID 3584 wrote to memory of 4344	3584	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:4756
- C:\Users\Admin\AppData\Local\Temp\A4BC.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A4BC.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A4BC.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:3832
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A7E8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3584
  - - 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:4344

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\A4BC.tmp\b2e.exe

Filesize
6.3MB

MD5
e1730e903fbefc439b84b2cfa3cfd59b

SHA1
1bae57b0ca32ba483448a4b94b75d7af92a7c154

SHA256
d7cea9b6e229637b2b6ce06477d872deb6530fdb4f548ceea5391403e4c7c977

SHA512
12a62f40fe48ac76055dc9f6040261fb8db47a11be9bf33d98e4f5dea9db9384bd0b8092ba4e9a09f20f127973f8788b5cf9abae4fddd5e422d051d738257e0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\A4BC.tmp\b2e.exe

Filesize
6.3MB

MD5
bfea4d3d3c5c00566ae174430a747d24

SHA1
f41d7637dc0a8f91b0202afabe375aa62ef007b5

SHA256
c01c166f6ea9b8d18365302684d31e5f0dcfcee78b4f3ca6a40d0f2e05b1d9d3

SHA512
cbcb3f10d4d3f0e3c11af6da0e5b8527cd5e92c44f720c93d592337cb7a34241b146b5c6219f4f6a2dd0902c4df3a851e34ed5b4e09d893d233b07d1f17a34cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\A7E8.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
8.6MB

MD5
e1addfdd5d0f99de50d6b9b514ad8806

SHA1
dc68df1cb6771510fb7d4eb18c75d7c089a4b2f1

SHA256
9c0dc1431d231f4d788e9e996d60c5558664acce8dd17aac81583be583592c59

SHA512
5664f35fecef40d38b671da90e66f1e25c3e14ab5f33bae0fcab523bed1b8247a25d40d9b718f0b48edb0fe042938000fa084e7f645915888621cbdca8b7caca

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
5.6MB

MD5
57cfb5925d3d8ef9bd3aa8656a578fbd

SHA1
ffce3b4b2d99dcbc08ef5b4dc468049ca24ed717

SHA256
bbef73cab5e179333380ee85e219907f3140e436eba447ecb01d93bc22540622

SHA512
971b985f3412f296a13b9f0b4b8faf81b9ff971c7676feb5ed736a4558307025b5a8688acb8686564e3fd8bdb86793c1bf74e565735046e9ea08719c6fa0ddac

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

Filesize
4.9MB

MD5
e17271f691d95a2654e1c1c15056f419

SHA1
db5eb451845b1d9416541c1719b53108ab144709

SHA256
f7bf697d9e54685a7b0b546e9b24791767ab39dd09004c34b22f26caf7a5027f

SHA512
e465f1aa8649878b1e7ffab5e1166c7aa16e34449decaa449e22faf69f087f8c7f7729f6bcb88ce50b992bc54bba2cb10f7409f6526d64ff818f5e4dc6a623fa

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3832-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3832-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4344-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4344-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4344-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4344-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4344-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4344-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4344-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4344-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4344-43-0x00000000667F0000-0x0000000066888000-memory.dmp

Filesize
608KB

Download
memory/4344-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4344-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4344-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4344-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4344-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4756-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download