73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
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, 21:04

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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
3844	b2e.exe
3212	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3212	cpuminer-sse2.exe
3212	cpuminer-sse2.exe
3212	cpuminer-sse2.exe
3212	cpuminer-sse2.exe
3212	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2600-4-0x0000000000400000-0x000000000393A000-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 2600 wrote to memory of 3844	2600	batexe.exe	75
PID 2600 wrote to memory of 3844	2600	batexe.exe	75
PID 2600 wrote to memory of 3844	2600	batexe.exe	75
PID 3844 wrote to memory of 968	3844	b2e.exe	76
PID 3844 wrote to memory of 968	3844	b2e.exe	76
PID 3844 wrote to memory of 968	3844	b2e.exe	76
PID 968 wrote to memory of 3212	968	cmd.exe	79
PID 968 wrote to memory of 3212	968	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:2600
- C:\Users\Admin\AppData\Local\Temp\9858.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\9858.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\9858.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:3844
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\99EE.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:968
  - - 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:3212

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\9858.tmp\b2e.exe

Filesize
439KB

MD5
f964b83ee714d1d24483bfcbfc78c702

SHA1
2524e9894608f1149ec5ece5bea17065dc0c0b8c

SHA256
50648614f0a7a2e6aa1701f2523ed818f18399b4f620dae50a0d4c52b0ee0f6e

SHA512
615dc19bb4ce5cbc1d469ac775da6197fd5c99dc8a2e387cca69e531c9eb7aa42f54efe87a562cf4991444958a81bb4e744b7b3c27e6528cafe2d3bef662e93a

Download Submit
C:\Users\Admin\AppData\Local\Temp\9858.tmp\b2e.exe

Filesize
6.1MB

MD5
a65cc437f289d332b42820a54d76567d

SHA1
a11e7f4f62a093b09525c5d9a6af88fbfb132b39

SHA256
43a3304fe71312e3942390209e63a05b8fed76da20813a83d88f510e1de1834e

SHA512
23fb6a89af8a5179431727ade7c97a49c09d0559e186551ff9aa90384d78f36174faee462614e6b0b74ea4ea9e7f895a447a6c702d8c29487c866b050e0baa0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\99EE.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
4.1MB

MD5
7167014ec93037c2885ddab8c3c4f759

SHA1
3c589aef4a080ca527c92335b53a3fd84af8e46b

SHA256
90a8f48a6366ea26fd8eb7f34ba25d515d02aa5e3587d5359f460e822c06c879

SHA512
23c1bc9ede4e713fbd10895652656b3631d99b14d9b705d9adddba7482622d0b9b38fb9a679de072bf610ae26f6e13a059f7e4d94bfe5d590742fa9b07a9e085

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
5.2MB

MD5
1d62598982164aee83e81ebe0047d068

SHA1
b6f5ba7a5333b7a53a8986ce1cf00824efedf0ff

SHA256
bbcbf8dc56e1006272052c7d2f2154fb1a77de937bd9fb7cd6f9890a6b53621a

SHA512
52f2400f3a6b7e4368b9085e6c4384ff9c7171d227c20e9c7c01a48d6b2fda72c3193baa0f96edac3b89bd3b70bc8b073756fb8ac53b1943ba2f0cf3313fb9e6

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

Filesize
4.7MB

MD5
6701db559a29f5eead5025db0a8b82d8

SHA1
fa0ef2adda732ef8f88c6f07ba1b902228348ac3

SHA256
bd40addc3359888bf0fed4eabe6d2ed877d70ee38c17ae24629ff63951188c4d

SHA512
fe9fec9c7fd441b9144817e8c6b56c8feaa724139154d7d9d38d939132a5de557191d9f2bc06fb9842dbc32af0dc95849692aba02721a25d5a5f9d1ab4de3c05

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/2600-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3212-43-0x0000000052760000-0x00000000527F8000-memory.dmp

Filesize
608KB

Download
memory/3212-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3212-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3212-44-0x00000000010B0000-0x0000000002965000-memory.dmp

Filesize
24.7MB

Download
memory/3212-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3212-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3844-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3844-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download