73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
300s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 12:04

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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
1240	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1240	cpuminer-sse2.exe
1240	cpuminer-sse2.exe
1240	cpuminer-sse2.exe
1240	cpuminer-sse2.exe
1240	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4944-5-0x0000000000400000-0x000000000393A000-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 4944 wrote to memory of 4448	4944	batexe.exe	75
PID 4944 wrote to memory of 4448	4944	batexe.exe	75
PID 4944 wrote to memory of 4448	4944	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 1240	3188	cmd.exe	79
PID 3188 wrote to memory of 1240	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:4944
- C:\Users\Admin\AppData\Local\Temp\9395.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9395.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9395.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\95A8.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:1240

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\9395.tmp\b2e.exe

Filesize
8.6MB

MD5
0680f5a4243affcee5cab5bbc4010f10

SHA1
36726a266c2eff1c5803064271593d6072e38d02

SHA256
bc74ac96a083627a18b316724d38c8eb61cb3dfdd692a6665116ec40fe9beaa0

SHA512
586990c3618588b2aee1581a218f1f4c12b068cec3a7d661b8a757ecf239c61b97983792ab35b01977c3e86cd34c466ed98317059ba9d85e412fe088054fe339

Download Submit
C:\Users\Admin\AppData\Local\Temp\9395.tmp\b2e.exe

Filesize
10.1MB

MD5
15d916ff31d4580592342040e0bb1411

SHA1
b555e0913969e33032c8da89d94b4e75b1f26329

SHA256
d8e873fbfe0103dfcfb862df56e81f900f9ff28cc8749ea64ce9a9ced07b7b57

SHA512
296316fd9b339e15241bcee6d3c6a489513c6482e27cb33b1fd84368f698b400eb55de7260511eedbabf33251ab986f42240cd3613c995cfa1af273f2afdf872

Download Submit
C:\Users\Admin\AppData\Local\Temp\95A8.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\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
5.6MB

MD5
9e2cb28f41831dfc5fb03824ad3e2489

SHA1
a2e9e8c590d9f30b4b95174b01a921024b69e612

SHA256
91979ea19b508c831eda2d551aa2f3e916f9feb0e38f5a5ec40c13addad8241d

SHA512
e31a27177991544249b25e088516a2d0e152fc1cf4f41f1869399fddf35c2a1fb47a4a91734ef5bb9b591f407ad4fb72e1355901061bd94a936bc2ce5ef303e9

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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\libstdc++-6.dll

Filesize
4.3MB

MD5
a3b0f0aa867db2c33bb2cd39d42bef07

SHA1
5dfabf98ef99e77f29e0632f52f8c9d98c6f8230

SHA256
814de967f66d2834bf7b73a1bbdfbbd8731f11c843bfc244b044be1db90fb417

SHA512
8c41b5295a94600948be4f88292f3a70ae8394a201e81ffe1927873147bc7c6b81e6c431631774949713ba5c7e18e048dd00607ade7ed679d171f2b73e349854

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

Filesize
3.7MB

MD5
3608fde9dbab14fa1afd0fa60eb8856c

SHA1
98a2f363b00d3402b91aa8adfd693ec6c88abb72

SHA256
2d415bf222901dd6de37e198450518e60c9c539bda351dae09ca2f13ac5deffe

SHA512
ea0c4238fd0f9e0fbf7239e25be9ee845fb476bbd960d9760152fcce7df13767ef1047822b0addf7123805c9732cbf4a3d46ea8f40423fc7a3c476622d0663db

Download Submit
memory/1240-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1240-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1240-43-0x0000000060D70000-0x0000000060E08000-memory.dmp

Filesize
608KB

Download
memory/1240-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/1240-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1240-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

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

Filesize
20KB

Download
memory/4448-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4944-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download