73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
291s
max time network
296s
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, 19:26

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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
4144	b2e.exe
4216	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4216	cpuminer-sse2.exe
4216	cpuminer-sse2.exe
4216	cpuminer-sse2.exe
4216	cpuminer-sse2.exe
4216	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3188-6-0x0000000000400000-0x000000000393A000-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 3188 wrote to memory of 4144	3188	batexe.exe	73
PID 3188 wrote to memory of 4144	3188	batexe.exe	73
PID 3188 wrote to memory of 4144	3188	batexe.exe	73
PID 4144 wrote to memory of 836	4144	b2e.exe	74
PID 4144 wrote to memory of 836	4144	b2e.exe	74
PID 4144 wrote to memory of 836	4144	b2e.exe	74
PID 836 wrote to memory of 4216	836	cmd.exe	77
PID 836 wrote to memory of 4216	836	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:3188
- C:\Users\Admin\AppData\Local\Temp\AB53.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\AB53.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\AB53.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:4144
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B064.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:836
  - - 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:4216

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\AB53.tmp\b2e.exe

Filesize
960KB

MD5
d15ecf39e70d4d6e278b0da9ff36ba87

SHA1
2139694bf96cc3b6fbfadb8a9c8745b8901bff6a

SHA256
04b2e6191d36dccb7b93c7d207ff16c0702cdec9b64b98206f9ffc7dc7633d54

SHA512
326cdd9b35aa3dbd39d2fd4a22dd78f732d481f05ef6dca085cd086d8ca91502f3be961b44e5c4bbf2ebf947ffc4f1b4d4703593951fce22acaa418a77741434

Download Submit
C:\Users\Admin\AppData\Local\Temp\AB53.tmp\b2e.exe

Filesize
1.6MB

MD5
4b3e3a3f84660472fb9714cd8feaba1b

SHA1
8561afb6ae0a1ab8a4d8364928811b66fcaf9da9

SHA256
006513b9e4310066d4cb66a1ea11b6619c10e428f5a1ccc39eab92e1d487f442

SHA512
a4ccf4de38da8d27dd065ef09b81a4bca708188c6102211faaa186ddd8f68b87381611da54cb6098758733c799e2a3450cb5cae66b58c29a4264d93f93a1edc2

Download Submit
C:\Users\Admin\AppData\Local\Temp\B064.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\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
6.8MB

MD5
cfb335e8f2dee3bd3c3177a55c868a95

SHA1
2bc3a88885f525843b65fde38dc9b5434ca3bdb1

SHA256
9e07f6188702fd1350fe0420e5e73f09455c95578a9ac87cae73d4492086c302

SHA512
97d5d7fef02b450b1e088d115c8fa4429c284abfd860755538c55e6bf4c5418609365afda3510ef0f63ed135bc6705404247cce24fbbed690e0d3f3ef87baeb0

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

Filesize
9.0MB

MD5
3cac42cba6c1e4f00970d28beb1b4070

SHA1
e17cb8b79c44093d9bf5338af8335fb9e0ec0939

SHA256
3d8355519b9801718486c327ceb4185f375a895a7e53bcdf2a98c5471281b7d1

SHA512
330fd496726c42f578fe6701e298df5729ef450155f2acfbd92fcdadf23381d4b5debb97599a8784b3819297d26261463e9208e2695ca8b93bede7cdcb27725b

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

Filesize
8.0MB

MD5
3d7748d4803b3bdb1844de38a54a0410

SHA1
1385479724ae2f3dbd5d93a60d304e8093ab070e

SHA256
55f2f6017f685ce5333d81affdfcbfedac91ba7beaaad202eb65a6282d8e78fb

SHA512
bca8e720f85ebf76278b12966be2fd0fcc53b19734a5ab6e89ad33b62e2b1af693508ae9d913d9664145b389bad74bb6e759e9d2da9f6e5b67d03f53b2727769

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3188-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4144-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4144-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4216-43-0x0000000053760000-0x00000000537F8000-memory.dmp

Filesize
608KB

Download
memory/4216-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4216-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4216-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4216-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4216-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4216-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4216-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4216-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4216-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4216-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4216-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4216-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4216-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download