73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
296s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13/02/2024, 16:01

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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
4448	b2e.exe
3208	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3208	cpuminer-sse2.exe
3208	cpuminer-sse2.exe
3208	cpuminer-sse2.exe
3208	cpuminer-sse2.exe
3208	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2348-6-0x0000000000400000-0x000000000393A000-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 2348 wrote to memory of 4448	2348	batexe.exe	75
PID 2348 wrote to memory of 4448	2348	batexe.exe	75
PID 2348 wrote to memory of 4448	2348	batexe.exe	75
PID 4448 wrote to memory of 3188	4448	b2e.exe	76
PID 4448 wrote to memory of 3188	4448	b2e.exe	76
PID 4448 wrote to memory of 3188	4448	b2e.exe	76
PID 3188 wrote to memory of 3208	3188	cmd.exe	79
PID 3188 wrote to memory of 3208	3188	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:2348
- C:\Users\Admin\AppData\Local\Temp\9328.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9328.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9328.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:4448
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\951C.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3188
  - - 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:3208

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\9328.tmp\b2e.exe

Filesize
8.1MB

MD5
d324ed153de5b2279e1ed02c998ac415

SHA1
614a8e799397afecfe9993a657c477c56f280a60

SHA256
456cf85373d345c56603c3e58a3186deacc506b31bac94adff1b2c1c51042aff

SHA512
c3b029f2b67c569e3db00c221ba49b95399df83ce73ff04f0efba26c8c34af56bce6f7f9523bde08a22492653c2306c985f282fa64a534d4ad275f33979050d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\9328.tmp\b2e.exe

Filesize
9.2MB

MD5
9509060806f72c4875430a712f71e4a9

SHA1
b3d5e895d3f66e0dc0dfc495daab37103e0d7979

SHA256
9ab985c520c43bcf90a32497266035d1d531e1a80f87b34db8a5233a1c7bf7ae

SHA512
65fba532458360800cc7e4347c0dc3c977246cbbb54b13e68c15fd31473e3ad0b2a1955ee92ecf1d5ead515b7579ec10d863e658a761a7f8c3cf8499ccdbf9c6

Download Submit
C:\Users\Admin\AppData\Local\Temp\951C.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\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
6.1MB

MD5
5b3e7578ae6af5992d4b9afa794b16c8

SHA1
d674748536238e04c6e0deb2337fffae5e809658

SHA256
1b9ddc711036a99cfb85d66a3302fe5b2791dafc59bce8ebd2104fc59adb374b

SHA512
6728f0733498914786472a7c97d2581cd1f84a9ff17b6a91dddd0e8f07e191f53c8322becc5243524b572cba76c50a4c3098df1bad8bb4d3e13fbcb442d74328

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

Filesize
6.2MB

MD5
eaf6ec55dd70d93dd1d1b12456f1c84d

SHA1
7eee2293fb43d254460248b10988bb60a406e121

SHA256
54057ec91e2aed61542044fa3e0a7432556dd183995ae29389055cd3cf6c1044

SHA512
6ffe8a39940ab68abebb06b36d6f8d7634733c98907e765eba9cbc6260beab65a29124b26018220fd07155f843ade9023d6dddff2d6b43278279c4d06472987f

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

Filesize
8.4MB

MD5
83c412c280bbdfca1cfde7c3c333c0d9

SHA1
bd3d830d28efe55519f7fd29fd51819a44b4b23d

SHA256
51615dd2581cea90560626dc2511b76ce9edbd692e55fc52697b930784389cb4

SHA512
1310802a133bbc143e2683dc4ee4c20ef3f61176b52eeee203a2350fcdf4ee7c68b70851da1fae45f1601e37dfd3c18ff64edc21e02fc97272118b2b68be693b

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2348-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3208-43-0x0000000060D70000-0x0000000060E08000-memory.dmp

Filesize
608KB

Download
memory/3208-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3208-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3208-44-0x0000000001110000-0x00000000029C5000-memory.dmp

Filesize
24.7MB

Download
memory/3208-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3208-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4448-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4448-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download