73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
299s
max time network
297s
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, 09:20

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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
500	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
500	cpuminer-sse2.exe
500	cpuminer-sse2.exe
500	cpuminer-sse2.exe
500	cpuminer-sse2.exe
500	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 2960	4276	b2e.exe	75
PID 4276 wrote to memory of 2960	4276	b2e.exe	75
PID 4276 wrote to memory of 2960	4276	b2e.exe	75
PID 2960 wrote to memory of 500	2960	cmd.exe	78
PID 2960 wrote to memory of 500	2960	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\A43F.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A43F.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A43F.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\A6EE.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2960
  - - 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:500

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\A43F.tmp\b2e.exe

Filesize
8.7MB

MD5
27b16af158bbf5a68e991b839013c35f

SHA1
89412118868d7e05d7e23867917cd075f651f768

SHA256
701805a2a0c4479f626d75712cd98391c78a8145377fe094639ad2204b3c86b9

SHA512
4e79530791896cb4b46e6197e155ef2a22212976539ab321146bae76c6e43f116fbee9ade5bc2ae65758cd6bad175eda2f81ca5fb022bfbddf67cad761b2e328

Download Submit
C:\Users\Admin\AppData\Local\Temp\A43F.tmp\b2e.exe

Filesize
10.6MB

MD5
35eff54747ca38c3883d6b8d072178a0

SHA1
11a918bbf69587367d93a4808e8244f390ee37e5

SHA256
1058c384ea79d291986dbe1fe6b1d2d2b82b82368c9a78111ba8a881e6028787

SHA512
244af36fb3bf36b545f372523a5998fd6e9519f57b445e1cb2ba0eda484f79139afc9c6d769dae047139d8e7fcc03d12377998f21fd68dd13771d91ecb4d04c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\A6EE.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
4.7MB

MD5
6701db559a29f5eead5025db0a8b82d8

SHA1
fa0ef2adda732ef8f88c6f07ba1b902228348ac3

SHA256
bd40addc3359888bf0fed4eabe6d2ed877d70ee38c17ae24629ff63951188c4d

SHA512
fe9fec9c7fd441b9144817e8c6b56c8feaa724139154d7d9d38d939132a5de557191d9f2bc06fb9842dbc32af0dc95849692aba02721a25d5a5f9d1ab4de3c05

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\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
20.5MB

MD5
afd65273d5e54a910ca20126ff2045f2

SHA1
9e3c660fdfae445561b5bbadd8b6b50e811ab6f1

SHA256
7cf33a01860881cf889e56534dc51526f6d4042b153216aaa965a19e44caf668

SHA512
a623d3ef99f996a2cc7ce4494376d564239913e6b232a35475af5aef78c56a27f90c7a4195400f89bc57f36bf70de495b417063618187d37bfd7568423a9ee92

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

Filesize
17.1MB

MD5
80ce967772d236df62b507e16b9ca455

SHA1
9d3c15a9f91f959ef758828d739b44dd4aec39e4

SHA256
2eef9b00bdfaea9fe565244c58029d3369a87f95a157344788546a249d125e1a

SHA512
a9c3439e928a206dec7afd1a42d8a11cfe4bff2a7b47f7a52dcc98faaf79a5f2caef9f24731037d3a3803119a482f76c19e78ee8347021123bce01a99b315df7

Download Submit
memory/500-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/500-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/500-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-43-0x00000000667F0000-0x0000000066888000-memory.dmp

Filesize
608KB

Download
memory/500-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/500-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/500-86-0x0000000000400000-0x0000000000667000-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