73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
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
21/02/2024, 16:58

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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
3016	b2e.exe
3664	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3664	cpuminer-sse2.exe
3664	cpuminer-sse2.exe
3664	cpuminer-sse2.exe
3664	cpuminer-sse2.exe
3664	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3524-6-0x0000000000400000-0x000000000393A000-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 3524 wrote to memory of 3016	3524	batexe.exe	75
PID 3524 wrote to memory of 3016	3524	batexe.exe	75
PID 3524 wrote to memory of 3016	3524	batexe.exe	75
PID 3016 wrote to memory of 2484	3016	b2e.exe	78
PID 3016 wrote to memory of 2484	3016	b2e.exe	78
PID 3016 wrote to memory of 2484	3016	b2e.exe	78
PID 2484 wrote to memory of 3664	2484	cmd.exe	79
PID 2484 wrote to memory of 3664	2484	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:3524
- C:\Users\Admin\AppData\Local\Temp\7484.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7484.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7484.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:3016
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7639.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2484
  - - 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:3664

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\7484.tmp\b2e.exe

Filesize
2.2MB

MD5
998e9301dce0fbf032fca9df021fc4ae

SHA1
f503ee26148291430af85f8446e0f57be9aaffe4

SHA256
b369c8213fb912e0b3897919430a7d1d5df34cc0fec88831ed704eaa103a6c69

SHA512
6c8e0ae1c074762bd85e7d6882b2e1925def81670ada77624c5f8a63b4cb1e48ddc62f67b9c933a31b0a3ba0be87fae07229c92ca1a1b34bd7910e246ea4a0e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7484.tmp\b2e.exe

Filesize
4.2MB

MD5
281a882bb509fe3af7e9fed755483f45

SHA1
7896952966b1a2154d80e686ce2412d684b29872

SHA256
6c0b951844e27a55bceb839c4e9f770d2069f96de39003fa4ac9af34f94ed8e9

SHA512
054199c2fb1cfad43da8f7099ab62b8f148429989410666f8ad7560cf4826b1d106696f7be67d545ad3842fa2cde5f1bd44e6edf539a6f98e300540ef6412210

Download Submit
C:\Users\Admin\AppData\Local\Temp\7639.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
6.9MB

MD5
5194edf610dc8d6aa5321e1afbada4e4

SHA1
9caadf2917973bcbc34953b9dcfd2ade66eb2fab

SHA256
438814b10e3c0a7f1e554bb29500de8655895129af3fc2f47ca376b8bccc6e45

SHA512
af44d0e7ebaf2f737df56557d47f86e691f9b48be1078e96e1b1ebcfc8e72bfc60afc83fed04ba4389ac87f74bd575077b64e9ca95a766fef3a53c9dc43bfa54

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

Filesize
9.9MB

MD5
e34c82a6232379eaba6687f61a3f2192

SHA1
6c4a7d5ab53883fca213087cb858fb74c48530c0

SHA256
f4af5de94ee692b661c233073bc819fe045141a3196c2e5cb05b0f0db0cac6d9

SHA512
2384be73f640bd55e57412c0956c79d19f95eac59fc9df1b0f1a0b1c6e08b0a05a6d7a739fc552e5233aae1cc5af6a748bf99875b7d5a22140f58a1dc9ff72e0

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

Filesize
9.1MB

MD5
0a73cdcc7e25fd0f9ce2ac66ec3aa26d

SHA1
f110261b23b5cb123b8dafaf81d637495eb5c645

SHA256
0e344dc779301ab9a2b4e6395b3b1c4af8f7cafb01bb0db29e5c907486c7545c

SHA512
ad1f89a95ec9e96d1a5824e1b8d8ea4d01a21ee71f89b2e8ff90a23a0882f756c8109a9cc8b992fc314a80378035069a2f6967202b3ddf689b0f7f701a141ba0

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/3016-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3016-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3524-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3664-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3664-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3664-43-0x000000005AE90000-0x000000005AF28000-memory.dmp

Filesize
608KB

Download
memory/3664-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3664-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3664-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3664-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3664-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3664-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3664-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3664-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3664-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3664-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3664-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3664-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download