73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
299s
platform
windows10-1703_x64
resource
win10-20231215-ja
resource tags

arch:x64arch:x86image:win10-20231215-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
12/02/2024, 13:00

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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
756	b2e.exe
3228	cpuminer-sse2.exe

Loads dropped DLL 6 IoCs

pid	Process
3228	cpuminer-sse2.exe
3228	cpuminer-sse2.exe
3228	cpuminer-sse2.exe
3228	cpuminer-sse2.exe
3228	cpuminer-sse2.exe
3228	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4800-4-0x0000000000400000-0x000000000393A000-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 4800 wrote to memory of 756	4800	batexe.exe	74
PID 4800 wrote to memory of 756	4800	batexe.exe	74
PID 4800 wrote to memory of 756	4800	batexe.exe	74
PID 756 wrote to memory of 4980	756	b2e.exe	75
PID 756 wrote to memory of 4980	756	b2e.exe	75
PID 756 wrote to memory of 4980	756	b2e.exe	75
PID 4980 wrote to memory of 3228	4980	cmd.exe	78
PID 4980 wrote to memory of 3228	4980	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:4800
- C:\Users\Admin\AppData\Local\Temp\BA18.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\BA18.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\BA18.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:756
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BDF1.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4980
  - - 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:3228

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\BA18.tmp\b2e.exe

Filesize
4.1MB

MD5
55075aad2654558e78c79389d328bd6c

SHA1
3c49741995c4eedb25ab33cc269abeed7e5a00b8

SHA256
778ee0f65897dd81fdfe44499a01fd879b1c237acb9015a4b8afe1020809e440

SHA512
0060002f1ddd8ba3d108c627afb31818998a107e866db7bf1de6ce534e4974c520e8a4a34a0925c1ecac868c5f85543afd169b1ad77b81521b88049bf784ec5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\BA18.tmp\b2e.exe

Filesize
5.0MB

MD5
72d9b7f2eeac27d69ac861be4a4e8fcc

SHA1
e5be26aac105e0798572e5b201b4a91f1299586b

SHA256
977b567b21ec9f5f89cc8d11b70be633634a1c9953f34b206059965a548de849

SHA512
9b5a425e3cc1b971e776c477625d5e14aa397ba58f0e631ee0247a7b633c49ef400047a0508b897e4ac1ab9b6eadd26436e75f21dc8681ecb62dec47ebb98dd3

Download Submit
C:\Users\Admin\AppData\Local\Temp\BDF1.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
960KB

MD5
5f088febb9167d9fa27631de416c40d9

SHA1
0e7cfc61e5cd1bb82c846c939d71388e2f9d5086

SHA256
869740b99a3d66f9e9decc133d9c3c4a2c14c3e7c62c512248da76f002387fce

SHA512
65e4cd0d550b852f50e426e53ff47bf1419a5cc1aaf07010b10b96f392148525950fd11dd3b1e8acda0916d288414629cde845cdc959ed7092e565ccb8ffa920

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
9.4MB

MD5
65ee0fbdfb07a1767d90ec146fe60c1d

SHA1
87696adef3e91a25172be349b007e7556e655a8f

SHA256
169d91afa62fa312c9edc8d31d6bb4ab7806752b83dcba94e49727bb3a13bf5f

SHA512
0c0709da99f45376c3916204ca4b0c658793938c0d9d173665c19708b323d473865e46929f7f53eb3517eff85d732cfccb715f5185afc4123b31fe18e8a97110

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

Filesize
128KB

MD5
8d949f4e279a9a80f50d7c2e0c7bff36

SHA1
92e29300716211895b2d8cd4cf010452f0132152

SHA256
2e87614d15e62262c8b0a0c65e302b15e971b591469f3c679e7e516934cf621f

SHA512
36565dc0a3290ac8c5e0fd0a2756764ce8e49a7ef52a437caad549c7ea1ac3ac7dfe05cd4951ed6b17051768fd9733c94365d85832092c429b0b74ab62a338fb

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

Filesize
7.7MB

MD5
62f7d2cd3a3595de7df5a64285232393

SHA1
4aaf0508b7cdfae05d97c17640c39fd5fbc0ae3a

SHA256
5570444a6c73a1938d3e32d21d014a9e8ff677ff470dbc27871e75fd5bde9b1f

SHA512
7821fcc1defba477fa42c6cfd1912a9b7b6a66c390726726808c62e13e8f7d2fa4bd0cf052f18445cf8e07567e54219f6302e051e4707dd59677695b28ca7552

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

Filesize
22KB

MD5
50237a81239365f13bce1191c9dcf4a1

SHA1
97d18ee2715a1cd6b4672b16c4403280bd3998ad

SHA256
5c0f4b3ca7a2be7fc226631c4d7794d616f7b582ab8e74c397738f949be4850e

SHA512
9076efb2e4b24c9641af352fce663c2a9bd21e08ea846b1a161be7e4d8c8bc9bc4ee76f58ce40bed9e44a90f08a70a56b1b69013ced50eb04f81bba23e749da5

Download Submit
memory/756-52-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/756-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3228-42-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3228-58-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3228-43-0x000000006FC40000-0x00000000714F5000-memory.dmp

Filesize
24.7MB

Download
memory/3228-44-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3228-45-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/3228-46-0x0000000075040000-0x00000000750D8000-memory.dmp

Filesize
608KB

Download
memory/3228-103-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3228-39-0x0000000000870000-0x000000000092C000-memory.dmp

Filesize
752KB

Download
memory/3228-63-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3228-67-0x0000000075040000-0x00000000750D8000-memory.dmp

Filesize
608KB

Download
memory/3228-73-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3228-75-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3228-78-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3228-83-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3228-93-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4800-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download