73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21/02/2024, 01:44

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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
4376	b2e.exe
4552	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4552	cpuminer-sse2.exe
4552	cpuminer-sse2.exe
4552	cpuminer-sse2.exe
4552	cpuminer-sse2.exe
4552	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4000-6-0x0000000000400000-0x000000000393A000-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 4000 wrote to memory of 4376	4000	batexe.exe	73
PID 4000 wrote to memory of 4376	4000	batexe.exe	73
PID 4000 wrote to memory of 4376	4000	batexe.exe	73
PID 4376 wrote to memory of 2396	4376	b2e.exe	75
PID 4376 wrote to memory of 2396	4376	b2e.exe	75
PID 4376 wrote to memory of 2396	4376	b2e.exe	75
PID 2396 wrote to memory of 4552	2396	cmd.exe	77
PID 2396 wrote to memory of 4552	2396	cmd.exe	77

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Users\Admin\AppData\Local\Temp\C498.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C498.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C498.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:4376
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C89F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2396
  - - 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:4552

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\C498.tmp\b2e.exe

Filesize
5.6MB

MD5
26a4868a5e50e26ddd53155f2d0020d4

SHA1
2cf25a1c3939aef8bbfec422b3511915865d380d

SHA256
f075d7189948a33276622db27240c98871ddaf918e9f37b872ef0c48a533b3b7

SHA512
82956a0b4960cddc7949ecc2c1ee8b18483df7973e6af1828d270d5cc41dbfbe1acbf106ff6cbda45e53ba45165e677609f6e1077154af13b4d3ac2b107a2fc3

Download Submit
C:\Users\Admin\AppData\Local\Temp\C498.tmp\b2e.exe

Filesize
6.1MB

MD5
d365a291ef52b895dbcb3ea0124e01aa

SHA1
e1a39126b28348ad0e09066d4e0f9522f6e01845

SHA256
893d4ebf9cb121b99825af49e4e7abb9ea32dac56bf90aa0ee86124053ad7a74

SHA512
8f0ae9ea9326727fb55ad40586a79df623a71c801696f8efbb1ed8dca2642c090d93fc9bb911c43a28d4a3b0f71e0bd457e440e96f3aae70b464825fc0ecbb35

Download Submit
C:\Users\Admin\AppData\Local\Temp\C89F.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
3.1MB

MD5
5649e8dabf664b55a1f1b96f62a6ba49

SHA1
3f6cbf36d861300f9029d03ab12fbe2f8f6b1026

SHA256
86f9fd7d3fe809f1b0c89df27f8539a69460d8ad49e79e5f3a1441dd8fdb362d

SHA512
c4833e0a6dca41a7af0ffdae2a98b5b504f8863d0bacc1221d4ef683b2ca210a4098b99956765f71aae0de8e7d0f076d0ec9297f7c6240b0937e4854cdb06a4f

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
3.4MB

MD5
3c40059528ede0dea9b3321fda6b534b

SHA1
a0a08c47d8461fd3fde0b90847ef6a62ec1d9893

SHA256
cfca9a2887a1dc9034acbf5dc69bb1b12025607ae1f7446cfa5bbe3919ee4318

SHA512
3f508d101ef24d4a5f7963b790e17585a77c7da42fbe17b81f5b49aa13d0be11f142dd0cd4f84584355a0d4e6b556ddcb51ae749083b93f1f545f04f6d71f9b1

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

Filesize
3.0MB

MD5
32df66d9c1b8eb5ba1813ff01dde1a10

SHA1
4c4e820fbacaa30ea7825ac70644406be10a2e31

SHA256
807e526b79441960b05170feb800f3cbc12b9dfb69d8a32621a3e15f23b49f32

SHA512
dd7cb4134612eaa5cc3265de8132a6df047dfbf0fa6530b6a7f1759d878392f532b67af8848cd0a22d766b4fae18982270dedd34a1bbbe397a5ddc751fc280df

Download Submit
memory/4000-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4376-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4376-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4552-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4552-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4552-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4552-44-0x0000000000F00000-0x00000000027B5000-memory.dmp

Filesize
24.7MB

Download
memory/4552-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4552-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4552-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4552-42-0x00000000519F0000-0x0000000051A88000-memory.dmp

Filesize
608KB

Download
memory/4552-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4552-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4552-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4552-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4552-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4552-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download