73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
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
24/02/2024, 13:21

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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
760	b2e.exe
4580	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe
4580	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-6-0x0000000000400000-0x000000000393A000-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 2100 wrote to memory of 760	2100	batexe.exe	74
PID 2100 wrote to memory of 760	2100	batexe.exe	74
PID 2100 wrote to memory of 760	2100	batexe.exe	74
PID 760 wrote to memory of 4248	760	b2e.exe	75
PID 760 wrote to memory of 4248	760	b2e.exe	75
PID 760 wrote to memory of 4248	760	b2e.exe	75
PID 4248 wrote to memory of 4580	4248	cmd.exe	78
PID 4248 wrote to memory of 4580	4248	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:2100
- C:\Users\Admin\AppData\Local\Temp\84A1.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\84A1.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\84A1.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:760
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\86E3.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4248
  - - 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:4580

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\84A1.tmp\b2e.exe

Filesize
4.9MB

MD5
1870766b6f285bdd0328613cbfce44c4

SHA1
25c0f630ffbf678fd0e5a962b8ab90861015ed78

SHA256
dca9a86181aedb2a7c303a5bcca7cc8b969feb5c0d713b06e6f6a4e536d67708

SHA512
151abcc9ee4d250b1a0733c6c75859f228730bf52d61f0354e692d05c18ff34ce359646f81a30a76336c966406ddf947b4c6949b8a730c9c123506cd3adbafcd

Download Submit
C:\Users\Admin\AppData\Local\Temp\84A1.tmp\b2e.exe

Filesize
7.5MB

MD5
e02466e6c22d23bccb32591308be7711

SHA1
4b9fccc5e754debd5185e242b44ea4810be9622f

SHA256
4c6de0b6db843a24840be88aa38939407f05149a62c2684f8db2505c6b9c5ec8

SHA512
3092184e15f682a28b1a2a5d7cf5b083e4bb10d4a94c323ee3ae0764da8a1804169a07c3552651e2d765b8875d9c023a7f385a0e31c0ee020fd83cda6b8e2984

Download Submit
C:\Users\Admin\AppData\Local\Temp\86E3.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
1.7MB

MD5
52657edae369040d54da4221bdd154db

SHA1
7bb20604ade1df07f7f37430267ad7169b699eae

SHA256
b4a1843f71c81497d91f4f402ac724df1117b6618561a31a7dc5ba67f334c329

SHA512
783ee952da6a3e66f08ff9bb22db611692c351b7e3f6694acc266ec36992614e5038b738f60637dc711f3dc49012be48af36ba74f5db9ad1340c99c6bb84609a

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

Filesize
1.5MB

MD5
0426ad3ef91f30f0a992ea3d75b3d9a1

SHA1
1c58bee25250968a20f1789454e07e9a2af5bdba

SHA256
2a1823584c401925285595d7027e976db16e868969f2ceea61849c15959e7c59

SHA512
19b0c12c635648fd013fd3311048d03e472afcde2760cb21f8137d01133ff785dbaece88d0a60883643348139e54c683296e41b3962794e13e248fa29c0f472c

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
1.6MB

MD5
76bcf52c3e8ba7cfe67de3b7225d3349

SHA1
7309be6e10207864afb9e5dd1a07467d0391a1ed

SHA256
a03e5de36643128f60a3bdc8a7a0717d21d3df1c49ac584518afcb0bea7a7ee1

SHA512
5d3f630934ed10fe21dae592b44d2264ecde8cff190f04ffe77b62ef437e2d27ab7518d816776eb7387433103d0b02949a1aa172b703d8a178dc6fa71853b199

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
1.5MB

MD5
3a7f5989761ca348d887d26d01030bdc

SHA1
f5ab2de356e5a6c51bb49ae9ad4c6728fd1e8b0d

SHA256
78eb6314293fe1e1cb1a92df19c3913dff3d2982b94051ba410f5147aa83f217

SHA512
fbf5b6dc5f1342434fd3cf89872d196aff07134c5b45f6dfbd220baa8854fe8eec9c01fd70d5f22eca22ab675843b0e8bd9f04bb2b6b441547bc45fc3240f90c

Download Submit
memory/760-51-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/760-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2100-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4580-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4580-57-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-43-0x000000006FC40000-0x00000000714F5000-memory.dmp

Filesize
24.7MB

Download
memory/4580-44-0x0000000000F40000-0x0000000000FFC000-memory.dmp

Filesize
752KB

Download
memory/4580-45-0x000000006B1D0000-0x000000006B268000-memory.dmp

Filesize
608KB

Download
memory/4580-38-0x0000000000F40000-0x0000000000FFC000-memory.dmp

Filesize
752KB

Download
memory/4580-52-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-41-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-62-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-72-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-77-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-82-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-92-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-97-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4580-102-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download