73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22/02/2024, 07:59

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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
4404	b2e.exe
3292	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3292	cpuminer-sse2.exe
3292	cpuminer-sse2.exe
3292	cpuminer-sse2.exe
3292	cpuminer-sse2.exe
3292	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/368-5-0x0000000000400000-0x000000000393A000-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 368 wrote to memory of 4404	368	batexe.exe	73
PID 368 wrote to memory of 4404	368	batexe.exe	73
PID 368 wrote to memory of 4404	368	batexe.exe	73
PID 4404 wrote to memory of 3908	4404	b2e.exe	74
PID 4404 wrote to memory of 3908	4404	b2e.exe	74
PID 4404 wrote to memory of 3908	4404	b2e.exe	74
PID 3908 wrote to memory of 3292	3908	cmd.exe	77
PID 3908 wrote to memory of 3292	3908	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:368
- C:\Users\Admin\AppData\Local\Temp\ACBB.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\ACBB.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\ACBB.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:4404
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\B16E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3908
  - - 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:3292

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\ACBB.tmp\b2e.exe

Filesize
6.7MB

MD5
9e94aec4008602418e29131ae71da76f

SHA1
681a5b062db3ebb3ba4f09a8caf7d1e07b911864

SHA256
7a555fb5f72b3ee84a81c630dcb4ac6868295b96c8965b8194b98fc9d42f3fbf

SHA512
1b73bcd2bd3f2393a6337025039b00182861fdd8ed2ac46ebdfdc79b00cab8753010b2e1403ecf91570b0b5397e83fdb8c2718aee9ca5a1b424d2f2042782a07

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

Filesize
5.7MB

MD5
bf5d2c1bed482fab9212867aede8e958

SHA1
9c128afd41ae20ccd3436e76684c0fa2c7919859

SHA256
20c2de0bf8c5c46e04d1e064be896b93b8cc892069515e18bc1fe73a68e4f10e

SHA512
84e74ff54120d85fe9252dcd11b138490fd8709addf3f246ea88528fa32c78b74adb980935e6ac7768ef2739eba05bb6eb5735c2b541fea218e0072a97ef2a60

Download Submit
C:\Users\Admin\AppData\Local\Temp\B16E.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
5.3MB

MD5
e20443f31a4f32d4fc054241b8970f10

SHA1
1111e0670976ee70c92032babf696faf7d1b9dde

SHA256
b9e3121dd765551bee5e2bded58c8d69cce72f36257737e78645a17a8d2235ef

SHA512
c49aeaab7583c07a1f47997e94f7a152a3e45bc540dcee105e793d94bbe25f7652ed80492b9ad098040157b25b9fff91c69f3cf797d8a4062717a616ce72f95a

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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
5.6MB

MD5
86e1333e13be471d179a48d5efe1770c

SHA1
1b092b8ae138ffebbad46e5002ffee320387e1ed

SHA256
c2fa78853577459b7d3ebe5d5f70e23d91ef22f5e1f0fea4491902d6372b3700

SHA512
63ee2638caf934b1da9ca61b50e0d023c25cf98a4288b03425c46b5b2d9a7e5b3e34cd981f4e55d92bb356ded56c9d42f678bc0f837f965c3e099804fd512e7a

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

Filesize
3.4MB

MD5
3c40059528ede0dea9b3321fda6b534b

SHA1
a0a08c47d8461fd3fde0b90847ef6a62ec1d9893

SHA256
cfca9a2887a1dc9034acbf5dc69bb1b12025607ae1f7446cfa5bbe3919ee4318

SHA512
3f508d101ef24d4a5f7963b790e17585a77c7da42fbe17b81f5b49aa13d0be11f142dd0cd4f84584355a0d4e6b556ddcb51ae749083b93f1f545f04f6d71f9b1

Download Submit
memory/368-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3292-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3292-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3292-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3292-42-0x0000000071E00000-0x0000000071E98000-memory.dmp

Filesize
608KB

Download
memory/3292-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3292-44-0x0000000001120000-0x00000000029D5000-memory.dmp

Filesize
24.7MB

Download
memory/3292-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3292-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3292-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3292-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3292-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3292-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3292-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3292-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4404-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4404-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download