73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
299s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 11:30

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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
3184	b2e.exe
4908	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4908	cpuminer-sse2.exe
4908	cpuminer-sse2.exe
4908	cpuminer-sse2.exe
4908	cpuminer-sse2.exe
4908	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-4-0x0000000000400000-0x000000000393A000-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 2236 wrote to memory of 3184	2236	batexe.exe	74
PID 2236 wrote to memory of 3184	2236	batexe.exe	74
PID 2236 wrote to memory of 3184	2236	batexe.exe	74
PID 3184 wrote to memory of 1796	3184	b2e.exe	75
PID 3184 wrote to memory of 1796	3184	b2e.exe	75
PID 3184 wrote to memory of 1796	3184	b2e.exe	75
PID 1796 wrote to memory of 4908	1796	cmd.exe	78
PID 1796 wrote to memory of 4908	1796	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:2236
- C:\Users\Admin\AppData\Local\Temp\9422.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9422.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9422.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:3184
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\95E7.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1796
  - - 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:4908

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\9422.tmp\b2e.exe

Filesize
6.9MB

MD5
575b0f2adf65c0a64e41e582a0e9cca8

SHA1
85c9658d3c6c543bbe026fa3bbf49ff71e932791

SHA256
fcf3f14d0ba52c5c814b15ed05e6c961184595c9b9e6c985df8af89c3b65c931

SHA512
8bd82a749128181ef251630a59dd47b309fc6ec01d0401d9cd2cfa5f975655e7489db833954afa7c5681f1641919ddf467314663ec24d72d57a52491f2bf6a1e

Download Submit
C:\Users\Admin\AppData\Local\Temp\9422.tmp\b2e.exe

Filesize
8.9MB

MD5
e07ba00fd71144a69b3a0f4a2607722b

SHA1
5d71667bf08c750b7b5ca5000567a381049c4549

SHA256
a535ea77be17b015394aa8fe5ed87848fee6dfe7214216db9be4dc576aaaed8c

SHA512
a0f1c9b9a129f6dadeb7a93a1c7f3fc6b4e33e58c042799b60eba9263adac60f0fa4e28a9d79f39fd501bb14d58d2e66d8375c63a08cb5db6e519b025697a938

Download Submit
C:\Users\Admin\AppData\Local\Temp\95E7.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
8.5MB

MD5
1b4f9a807ce306c4b2ed7f0531f46def

SHA1
a7499eb6e35e56151e56cff2ae65136ade67917c

SHA256
45b9f7674b2d4e6cabe11b446687f7cf9b6dc90a16e09a863dbe92e67b12b8ae

SHA512
5ead2d0094e816336603a59e0687b26496dc1333c305ed211a20fc5bc78e236e43dcb7a76b503ae197ada75cb6d589978c1cb0cc3c79e1a032783892813e54e9

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
12.7MB

MD5
fe286a2db676f3a3ed8999c56b4ca2b7

SHA1
bdd758eee0d613ab1b12a4699ecf3b21ebff65b3

SHA256
4b69421ec3f5b944f46acef6ff0efb0cebb44d3d3754320cb742ebe7c19e42c3

SHA512
c78191e9d9e055feafc0d3ce746625414f4a100896b74b664fd92df592d9b7d3c4fe132d987d4a901410d175121d1eb9bbc0f9556e3b197cd4fb31874a5d4e88

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

Filesize
10.5MB

MD5
adaf9b2697de2181911c0282fd3f2bfa

SHA1
448d5a3c5f02200d25e1cf41f982f5b7c4285f14

SHA256
866248a78f2e59cbc617c3636439213990ea9981d867ec944333c69c4f94dc53

SHA512
0346adebb7b49485fc93571cc992cd30640c8c899d3a65869c5f35c7359d3c35aaa59b8ff1ae0d70ced818bebb2337757fa6a9f2e5ba3201eaa8adf96d189daa

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2236-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3184-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3184-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4908-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4908-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-43-0x0000000068570000-0x0000000068608000-memory.dmp

Filesize
608KB

Download
memory/4908-44-0x00000000010F0000-0x00000000029A5000-memory.dmp

Filesize
24.7MB

Download
memory/4908-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4908-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4908-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download