73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
295s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
11/02/2024, 19:04

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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
4316	b2e.exe
2892	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2892	cpuminer-sse2.exe
2892	cpuminer-sse2.exe
2892	cpuminer-sse2.exe
2892	cpuminer-sse2.exe
2892	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2964-4-0x0000000000400000-0x000000000393A000-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 2964 wrote to memory of 4316	2964	batexe.exe	74
PID 2964 wrote to memory of 4316	2964	batexe.exe	74
PID 2964 wrote to memory of 4316	2964	batexe.exe	74
PID 4316 wrote to memory of 3784	4316	b2e.exe	75
PID 4316 wrote to memory of 3784	4316	b2e.exe	75
PID 4316 wrote to memory of 3784	4316	b2e.exe	75
PID 3784 wrote to memory of 2892	3784	cmd.exe	78
PID 3784 wrote to memory of 2892	3784	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:2964
- C:\Users\Admin\AppData\Local\Temp\9143.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9143.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9143.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:4316
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9366.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3784
  - - 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:2892

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\9143.tmp\b2e.exe

Filesize
3.5MB

MD5
02125b6c2e9e4b6ba6a8aa4e16032ed7

SHA1
28e6adef412f0914edae61e1226bdbfc3f660315

SHA256
1f99b4e3ba6d2e1458b0bb0c25b131c67e73a523fa9ad6b0aa1fb62eafc98b71

SHA512
d35105531c275833f8bea03dc78947de592434ddf08c98548c8f6059416b4fc919165bc8d80a3faab749983d5902eed07ede49f30b4a50ce6d7a84b7311b1b06

Download Submit
C:\Users\Admin\AppData\Local\Temp\9143.tmp\b2e.exe

Filesize
4.1MB

MD5
1c458199b7dd89a20e616d210316ae6f

SHA1
c0c6d67e624014e4128aca16fec5ccd60c5ed9b7

SHA256
8f52e46a46a685f4e4ab71514dce8555c7c10ee59e3923f36159e72d182d1177

SHA512
f52a749b33b9ac6e5da241cb21f02b2a4685cb0802dd97fe02cfe894f1c9255652c9dd6888cb0708eaad0b72cb1d9a9fac4a908c7cc6ea8a3ace3596b956161f

Download Submit
C:\Users\Admin\AppData\Local\Temp\9366.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
23537c706ab35dd3422af00662a094a2

SHA1
810c655354d14db65f7398c8c8fe36963134dae1

SHA256
914f668bf324c79b6369b5631e5a9c0b8ee1693351b44e37426c7b8065deca21

SHA512
d4c517ab3a5d1939d8c5b9e522a1b5a3d38268154557b6d324d69e9162fc2a65bc3631d3e00c3baa3ea6dcc42e4f69a50fb3b61e6fc2d6170957f349b379d408

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

Filesize
2.0MB

MD5
7dfc28190e84e723d050dd5ffac269eb

SHA1
8465ea2dd50f9b0fba9348caf4906dd582b5189e

SHA256
7377e37928a9ea05272a63c71f5d3db572e476de25bf54d821983c5fc6e070f4

SHA512
85f3700db4fbd4a69e4fe3c66f2bdf7c3a1d51840c95e967e685f3d34b3e186597c663ac50867eec8d967949d77a741745e48cfeee1c9751a8dfac403028b51e

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
7075e98846335160cbf731697ad9af79

SHA1
5cfc8f1917cde652d75936de4bf8021f8c3da8f8

SHA256
c92d8c0d21a0cbcd47ff8cdf3031b083d7ef531f66f265c4c13e1b1e3af83a78

SHA512
c5ce18b7cffc53f7e0d7218c4ae3bc4af24b3789a19b9bad1159e482fee5db592b9429c864f3e1cee1770bc292df9479f6fa2e2dff89083cb734aa3d4bf63750

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
1.4MB

MD5
75ea3407bd16dc3416eccb6a8dff5e1d

SHA1
3134c309c1d823e8a8a1c883ef240cb596e2995b

SHA256
c987ce9b919e7ad1d3f60290aeac7c65a3da995182bc15133a73430a7c8d01fb

SHA512
ca63a364f2bf9afec796af1e722273d49991ddee62a1df8268833767818c0ae00ee9acbafa5f6575884faa5def6c4ccd71a18180bec2812bed440d378f607d8c

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

Filesize
819KB

MD5
08bee49462e1177fbf4bf39536d1e53b

SHA1
2e84d66f422068ab02245cab64511f01892d508d

SHA256
036d3c5eeb1f9daef9a2a6aa8e03cb4eae351431bd07cf445b14c87ee760f4d0

SHA512
d724308ede5388e0805c4df70b2fa0dcda640e735cd97f8d626cdf4cc3eaee03246f50f8ab4508a6665a76f1fdab8873c03a22be9e376d8ac9987e9ebe9557d8

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2892-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2892-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-42-0x000000006DEE0000-0x000000006DF78000-memory.dmp

Filesize
608KB

Download
memory/2892-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2892-44-0x00000000010A0000-0x0000000002955000-memory.dmp

Filesize
24.7MB

Download
memory/2892-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2892-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2964-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4316-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4316-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download