73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
297s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20/02/2024, 18:51

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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
2780	b2e.exe
1404	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1404	cpuminer-sse2.exe
1404	cpuminer-sse2.exe
1404	cpuminer-sse2.exe
1404	cpuminer-sse2.exe
1404	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3172-5-0x0000000000400000-0x000000000393A000-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 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 3172 wrote to memory of 2780	3172	batexe.exe	76
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 2780 wrote to memory of 376	2780	b2e.exe	77
PID 376 wrote to memory of 1404	376	cmd.exe	80
PID 376 wrote to memory of 1404	376	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Users\Admin\AppData\Local\Temp\9105.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9105.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9105.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:2780
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\92CA.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:376
  - - 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:1404

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\9105.tmp\b2e.exe

Filesize
6.7MB

MD5
a296438025ae94120436cab09301b4a3

SHA1
54ffe29efc1d59a5a73d64d4c8ffd2c34e008638

SHA256
4861a1268c36cfe233aedaf9a8e42e2bbb928a94cf1217c1b9e5bed31fddf074

SHA512
2c60e6a72eeecc0a45e13e2ada9e1974407f7bdc34b7832b28341c9a8bbb11e9d7a798212cc83fa1eda272e203de6f1123222f15a23051c294dc1403591b7366

Download Submit
C:\Users\Admin\AppData\Local\Temp\9105.tmp\b2e.exe

Filesize
6.9MB

MD5
b88f471b218ff2346cc8e9a4b237c966

SHA1
5a543b973946c2209b646ea0e236032b7e9df671

SHA256
1190282bc62a325858f6e21cd4506cf014a3e438ff060a1421edff7e575caa8e

SHA512
835a8e56e875f9237644517473ff28a17fb9fec9cd3d9008045e4a632a095a5af55275ce3dd1f8a7063528bec49beba0ca25c93c74b7046925c8d704d27c5c74

Download Submit
C:\Users\Admin\AppData\Local\Temp\92CA.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\libstdc++-6.dll

Filesize
3.5MB

MD5
4313f1f35b85c869d8bf10bc7acd327a

SHA1
ff59878f18f03f50d82a684c6bf3d38a07611c9a

SHA256
982fc761c38a9c436ddbb0b2a9f85c701f2692ee0ed1dd8ae57ca51fa0a7f738

SHA512
24a75e2e744406d8a88b4211fd711c6fc499c1e11a6d65bb63ad3baac2330d59a1d91d9b4a315c558ef3b34bae40e125b760e36d6ce156c1539351769f9a8c52

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\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
2.9MB

MD5
ac3643def1d8741f13febec7ed5ecaff

SHA1
8a082752a12ec278ce35717e81e43e75bd255af6

SHA256
60e5584f7491353eb0ed196a48ea3d7247865e25e61bd28214603567b8a0a488

SHA512
a97e58cb6fb8951aef59b8123350a95de5a6d2dba1b64e9bbf726f549e90286bb364ef7de893583fdcba1fdb79951032df47768e8957994a0373fa35c5251f4e

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

Filesize
2.7MB

MD5
9751c5fcc05375508894a0ac2ce0068a

SHA1
1d702b08f2802740aa0446c0be94752580a08a9c

SHA256
6211f2603dc815590fcb35d45e0dab8b9f41beffaab77cd593a4accab24e40e5

SHA512
cdaaf6091e06ae2e2b75e0b84df6719c9fd4243bf0218815097615c122d2634143001760e8bf01f66716dc49383ecc87bdb773bdba92d90757ec8dc2f51b8b1d

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1404-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1404-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-42-0x0000000057CA0000-0x0000000057D38000-memory.dmp

Filesize
608KB

Download
memory/1404-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1404-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/1404-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1404-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2780-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2780-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3172-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download