73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
295s
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, 06:27

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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
1280	b2e.exe
4136	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4136	cpuminer-sse2.exe
4136	cpuminer-sse2.exe
4136	cpuminer-sse2.exe
4136	cpuminer-sse2.exe
4136	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1312-4-0x0000000000400000-0x000000000393A000-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 1312 wrote to memory of 1280	1312	batexe.exe	75
PID 1312 wrote to memory of 1280	1312	batexe.exe	75
PID 1312 wrote to memory of 1280	1312	batexe.exe	75
PID 1280 wrote to memory of 3104	1280	b2e.exe	76
PID 1280 wrote to memory of 3104	1280	b2e.exe	76
PID 1280 wrote to memory of 3104	1280	b2e.exe	76
PID 3104 wrote to memory of 4136	3104	cmd.exe	79
PID 3104 wrote to memory of 4136	3104	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:1312
- C:\Users\Admin\AppData\Local\Temp\99A0.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\99A0.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\99A0.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:1280
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9B46.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3104
  - - 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:4136

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\99A0.tmp\b2e.exe

Filesize
10.0MB

MD5
37072a21137bf41c28a9a39715a73839

SHA1
a1a671bc88831689cc07a185a27f0e79de68fa10

SHA256
d7004f9cd3c715b3e0a2b8f5115f0cd1fe7f58bd0368e9939705d880fe521e9b

SHA512
9c7aeddb658264c2dcd69ae48f91c9664a019261bd72f297866f4e10ef77c5e8e7e038d637572e1244a5ab5f757b9e7ed5e54fa5357b8d21e63538ace155ffa9

Download Submit
C:\Users\Admin\AppData\Local\Temp\99A0.tmp\b2e.exe

Filesize
10.2MB

MD5
869657ea452cd7922a1306f334ce6aab

SHA1
399e307d1ff05a950852cc899da251e1f68b8b5a

SHA256
ebe0992ee484e381e8bec9e4155d169076b82ddb09645b7fd96272b18e6d6557

SHA512
b7b0dccff2470798d8530a5f53892bd2cd2dcb7127f829b562dccd3c05b6c38db255479de3167bd78c718f68e7455db46bc1c6b69546e9b4d1967c4ed0d9c83e

Download Submit
C:\Users\Admin\AppData\Local\Temp\9B46.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
6.9MB

MD5
6d848f97fc60205f72a588007bd5b2a4

SHA1
ce81b1ec078d8d3fa8c01b74dc0a0532d75c8d7b

SHA256
d9b475159755ee9412ff48caef5d2bfd69fc4456bb69a3d2e3f97345846738fd

SHA512
d41bd89b3b506d91d29c92ef5de8e45641cf78a30934f7927cc58f8991fdb541a11a1f4592927c56aae76e0998c9bc88bf8d9ec9d25db94cfa1cd0d47d8c017d

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
12.2MB

MD5
860b792c843daf70002c849146d3775f

SHA1
b938ce9644cc076a0967199b490f6bfab4061cd9

SHA256
422b99eec32e98210b89383df1120c9d2c095d7e1ab8651d60289b1c474adcfb

SHA512
a07d5cd18b87f5180c9ea4c9d9955456af62f7bf333247799cbf5bf62859f9b0e1b8f4e61bd582e4bedac811f97c12a59d0aaf0859e34cdae28a1368e157cbc2

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

Filesize
11.2MB

MD5
fa6ea7043b44168cdef9f5a83791f966

SHA1
d729564937ec3efdf8e34f325dd6b986c84c5bd4

SHA256
25874e674b1f5e5d2b092f6ef8799e06a3d0f9c4848b1bf6c1c9d3c610a1c342

SHA512
0724f1e8e9405b982092801fcbbf3a527cb8a08ee2dc0852f918ebb548fdd0cc0c661e4aee648d8724e7b7eb3dbf290b897947b4085e4d17eec5041b32518e67

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1280-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1280-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1312-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4136-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4136-43-0x0000000076060000-0x00000000760F8000-memory.dmp

Filesize
608KB

Download
memory/4136-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4136-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/4136-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4136-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4136-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4136-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4136-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4136-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4136-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4136-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4136-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download