73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18-02-2024 10:01

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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
2304	b2e.exe
768	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe
768	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/308-6-0x0000000000400000-0x000000000393A000-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 308 wrote to memory of 2304	308	batexe.exe	75
PID 308 wrote to memory of 2304	308	batexe.exe	75
PID 308 wrote to memory of 2304	308	batexe.exe	75
PID 2304 wrote to memory of 1608	2304	b2e.exe	76
PID 2304 wrote to memory of 1608	2304	b2e.exe	76
PID 2304 wrote to memory of 1608	2304	b2e.exe	76
PID 1608 wrote to memory of 768	1608	cmd.exe	79
PID 1608 wrote to memory of 768	1608	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:308
- C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\926C.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:2304
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\948F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1608
  - - 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:768

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\926C.tmp\b2e.exe

Filesize
9.5MB

MD5
adb653a756b582b7714af93564406492

SHA1
1bb3a3c0a31cc069e4e07cc6614982bd703af250

SHA256
8d56eec17eb76b46c0dbf4b8e2099ea4a5610d902821a62c3b492ada328e07d6

SHA512
5b0306314d9c29a4cc33997c11de8fd2d2b0fc3bdaa0f523a26e0bb29b875d3ed02d5dd23dfd04b1ef7359058bb705556388aa99d558dee1768bd3a234c76cda

Download Submit
C:\Users\Admin\AppData\Local\Temp\926C.tmp\b2e.exe

Filesize
14.5MB

MD5
0d8a43744245895c26a6017b6ceb536d

SHA1
47bec652be218b63458b259f6f73d193c3c1c1d9

SHA256
dbde3cf324fd22f1d0aea3ed6cc531e81eb6983904d76425368d4a3c6037601c

SHA512
71f09fc78dbe4e0f925465f19818abc694be35851377054fd5e50519bb0bedffbb63d4e9c893bf5d8f039670adee76ea03b41f39af3ccea99926c1a936918859

Download Submit
C:\Users\Admin\AppData\Local\Temp\948F.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
6.5MB

MD5
cc5e2741c33d206d469f7b9250715621

SHA1
0a307146a6aca9b23e6609b7c62ff7ce287e97c3

SHA256
b56825c0d4e421bf5135a53d86d1ec726a82d956fff577435e6d4bed2fa4f369

SHA512
2e47d5938ac0f4b33f462f70cf736bf25744cbed44dc35aef0b310c3ed29a3c28a8a5efe9442af5d2168c9bb2e2963043cf498d936ff9f79ee8abcf3ee7d2b37

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
9.6MB

MD5
464e13ee93cf54f4c081e539e0a3d018

SHA1
5092b2c7e35fd2b6d3572d1a5ca0447e862e0ef2

SHA256
0d61d72afff0b9536b626cc1f57f5b24c4e508b7467141080911bdd3d6ad40dd

SHA512
14c07ff7ba1a5e85b97883a821515bc1b9b51c04988ffad9688cf7031a9e166c151233e78604f11ae757e92bb0554a22c6e71ac67952f64230eb45eaedd08ca3

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

Filesize
8.0MB

MD5
196507712de10342ba210dfab2bd4b86

SHA1
02c0172ec5a53d10d65ff3b0204c6766d2ac50bf

SHA256
1768594dc90f66021b2158e3e61e3ec12b1cae8b14dc50a591bcbea33f3e8218

SHA512
4b2f3dc513f4b612766ccf55fb163c244d2d19349afb9e6405fcc2ebc9df4be2762de531ec8b90d95f1d2600e5c6da80fc6740fbff0f752b68eefcf5a44e8a92

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/308-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/768-43-0x0000000065D00000-0x0000000065D98000-memory.dmp

Filesize
608KB

Download
memory/768-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/768-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/768-44-0x00000000010B0000-0x0000000002965000-memory.dmp

Filesize
24.7MB

Download
memory/768-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/768-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2304-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2304-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download