73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
302s
max time network
312s
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, 21:53

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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
4600	b2e.exe
1812	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe
1812	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3972-5-0x0000000000400000-0x000000000393A000-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 3972 wrote to memory of 4600	3972	batexe.exe	74
PID 3972 wrote to memory of 4600	3972	batexe.exe	74
PID 3972 wrote to memory of 4600	3972	batexe.exe	74
PID 4600 wrote to memory of 4376	4600	b2e.exe	75
PID 4600 wrote to memory of 4376	4600	b2e.exe	75
PID 4600 wrote to memory of 4376	4600	b2e.exe	75
PID 4376 wrote to memory of 1812	4376	cmd.exe	78
PID 4376 wrote to memory of 1812	4376	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:3972
- C:\Users\Admin\AppData\Local\Temp\D409.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\D409.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\D409.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:4600
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D8BC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4376
  - - 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:1812

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\D409.tmp\b2e.exe

Filesize
2.1MB

MD5
099e18cf84312ee05add20eaed01b2c0

SHA1
3aedb8f0362d50274ec7bf1e79bbd3923b47cc13

SHA256
8856beb3ce39073034ad1cd1b72251224cbe3b2861af9086947470096666312c

SHA512
70c26948eecb460a2c035d8bec9f100588244a0c621fe26c13826bef00464051b54e200abfd73cb07bbe76c6c807317dc90b4974a739be718e37aa2621c134ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\D409.tmp\b2e.exe

Filesize
1.6MB

MD5
4b3e3a3f84660472fb9714cd8feaba1b

SHA1
8561afb6ae0a1ab8a4d8364928811b66fcaf9da9

SHA256
006513b9e4310066d4cb66a1ea11b6619c10e428f5a1ccc39eab92e1d487f442

SHA512
a4ccf4de38da8d27dd065ef09b81a4bca708188c6102211faaa186ddd8f68b87381611da54cb6098758733c799e2a3450cb5cae66b58c29a4264d93f93a1edc2

Download Submit
C:\Users\Admin\AppData\Local\Temp\D8BC.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
704KB

MD5
ce5f200d2d48a057722a957d5acc6426

SHA1
e7a8d4c0dc7b561dfa26e3fddaff015716187305

SHA256
cb450c8c0a952560f35f4b93f14357fc3856ee0b016eabf8bb4d20e9504d82df

SHA512
e7d3b203cc96d08b6d000f6845bbeb5777cd08babadbcb86266193ca68d8183973b3a92f5cf587df1f26bf04a182fa51001b7317c9a9e7ba868d1e26b897ee9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
128KB

MD5
87bb74a6790018700645a8310bb9a32a

SHA1
b0e3e91efa12e0df5ed4538d3b549ab5d9f6c16b

SHA256
ee6a846f1dcf082d5216bf314e65e1428af13ce54dfaaeb371d1c54f330c5298

SHA512
702e12a0858a1dd987d6a761f0ddc88fee9bce38be3d71f8c9be3fecc8cc6e88763967140f83caf4f2e10109ab95b811bb70bc70ff0b5cce8f0f32713ad3683b

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
7.8MB

MD5
e161fbd50dd4386447ebd69e9d4b65b8

SHA1
86b645ba19a25e1303540dbd7c87dca98a712384

SHA256
bc4268a30847adf8fab8b4b11417d15c224e79adf628c142806e185ab983e700

SHA512
4125016bef3373d4a3e54915076274dc2002c5d0ea3e0f5273ef621b27250abfe722e57c03c733d3da0b89840b2d9971252ba6c72e016175956d2154b09fc511

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
42KB

MD5
8e156f809ab599c49b91b6f01e1d9a03

SHA1
0c06de264beb8ae5dc259c81d0c01e413933e68e

SHA256
373a94c1bb30ab08b6a7dc9ff1f3d603f8d90c3204856aaae6096ba35e7b1b89

SHA512
df27a7ea26a35836cfc48e70421890e762c36996983e209994dda908d71fe06ce2c39d42b5d1c4f18ab9ae9e44e5baf930db4d8ced7d40285ad4fed239811441

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

Filesize
37KB

MD5
707af3cca795386a3718fcfbe7423703

SHA1
f3991c5b775a556e554bc4167d3cc10938e8fecd

SHA256
06c1ef5ef026f1678f9ce2750a304e96d61d1a13634492ed46a19cc30bbb951d

SHA512
06a904dfd556ba0441d9c86424f73030f64afd479c705aa34f82e51f4e6e0128f072e1ac6633b2f75c9cec807f0e46b81ae95fc1a50d3bbef9e934a841d669c0

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

Filesize
64KB

MD5
6cccf65bd7d7ff5b53aeb882e15c462c

SHA1
a9822b63ad70c6085ed1deda0fbe4bc5fe555f3d

SHA256
1379cd6111c2c37cf16f2dd9b325118513e85c35543ba45e79deb504dd4c01d2

SHA512
c174b5f8615131c2b86c57aee166744ee1fe02ff7c916195f2fde06684f467545a3fa4f88083335e2045d12727d774279dc8672ec352de3095b729aa5d1dedcb

Download Submit
memory/1812-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1812-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-43-0x0000000074D20000-0x0000000074DB8000-memory.dmp

Filesize
608KB

Download
memory/1812-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1812-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/1812-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1812-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3972-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4600-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4600-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download