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
24-02-2024 04:56

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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
1640	b2e.exe
3908	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3908	cpuminer-sse2.exe
3908	cpuminer-sse2.exe
3908	cpuminer-sse2.exe
3908	cpuminer-sse2.exe
3908	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3032-5-0x0000000000400000-0x000000000393A000-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 3032 wrote to memory of 1640	3032	batexe.exe	74
PID 3032 wrote to memory of 1640	3032	batexe.exe	74
PID 3032 wrote to memory of 1640	3032	batexe.exe	74
PID 1640 wrote to memory of 1464	1640	b2e.exe	75
PID 1640 wrote to memory of 1464	1640	b2e.exe	75
PID 1640 wrote to memory of 1464	1640	b2e.exe	75
PID 1464 wrote to memory of 3908	1464	cmd.exe	78
PID 1464 wrote to memory of 3908	1464	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:3032
- C:\Users\Admin\AppData\Local\Temp\7E86.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7E86.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\7E86.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:1640
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8155.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1464
  - - 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:3908

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\7E86.tmp\b2e.exe

Filesize
832KB

MD5
e1bd95ac3f9c6ce43914de2a53967fee

SHA1
3e03982c075df051d5a8dd837f42873f30483faf

SHA256
45c3475b58fbaa942be0297167c5c3fbbfe7295aa3fcbb4fb61df1348f55c550

SHA512
2166424e86301bbe04fbcce5d0b91562248845c5b1a7e889fee9a95d1c872dd6ea5cc85792b54e6d085095339be2f2b7f30cfd9b40a071b51c96a5009cc96f00

Download Submit
C:\Users\Admin\AppData\Local\Temp\7E86.tmp\b2e.exe

Filesize
640KB

MD5
ec807089447cc8ffed3ed14af8e0dd7f

SHA1
0d5600b96cd4d605dd40d169bade90cc2e41d4e0

SHA256
97789e181648b41de38dee9a0b40452bac36d463329a87bd2ad517a2968c51f1

SHA512
a2f87f33cd02f225b4c43f4dbd93e18e15e49dc5cdc1ef05f99bb54cdf2b759932d84e29863c11eb1941fb82d559682ea1be25ab7c826670389fb659d6afdac9

Download Submit
C:\Users\Admin\AppData\Local\Temp\8155.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
1.6MB

MD5
e9612eafd6d0dfe8e0e54ac8b089e9e5

SHA1
973175a160735d1edc4a2af5000830c46e8beffc

SHA256
71fce76d62d4be31640b5179b9e4da2cc8913f8d4ba052c105491e4c9dfc18d8

SHA512
01184bc0660dc98ac1a8c574eb83be8b1677cd82fe3684ca603fd85a7d47202f9af8c618e1459e7b29ca34b0e8053d1a8370356a1096323ab7448b1a14421287

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
1.6MB

MD5
1feecead6d894663ec4a5f76b4668986

SHA1
3b27b13a060fa916566cbe0078fd02fcd6187cf1

SHA256
d2f8ab31613987ac0c24ff419a900af23b12449471a9e1d80d35bac4823a88f6

SHA512
01011acbc4964b9cfdecdee79b2dfb2ebeb0bfcddd63affb2f2c780a933d5f4ffda6b6939d2a51c7e597d7dfd4892c96ea242ef08cf78f385c420793a30390be

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
1.5MB

MD5
84bbc959d983ac56239ca76c4bb155b9

SHA1
acbd076a88eceea57c4b71088bb09eee8ac92241

SHA256
5475256871d3ef76fe5596de3bbe756206d340d36550d3fb0b59cd5e60c95943

SHA512
38e84f3b3ada2909c1e395ae4c5a2587fc6a92d96ebaa4ee8bafd79b245ae4efc52216d10de54a2a369d752e1d270026a3f98e4e95e3b0570ea24f54d9169156

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
1.4MB

MD5
c5b7aa64c2448a83a271b9975dc17958

SHA1
78852bcde51f2d61086742d44163f0764e846a82

SHA256
5f5ebffbbe7e5469417707518f49a6add4fad18a5d95f2cbe2a658cea34ab6ce

SHA512
7909bccab40c3583f4b176bc66119cd5ef2a3267b0f22e59131ed44971e7326b2ee2c91c53c0b4ebcdc8816c298fee53776b992442c91e96022bbd690b7cd23b

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

Filesize
1.6MB

MD5
90d12b11f77093ebd8339cf0ea17f577

SHA1
3ab70826f37285dbc1ea4a75a06906607fb02b32

SHA256
9a06d500e9345d803a75a9f7f471f06e403dd1d83f0cc6520c565a54ed0e9d64

SHA512
fa3b6331f136c23f6c8d3d4ab429de01f99319741fa3ef95439b4bd72de57d3b83ee99cad93b456e570d404c65096df738b50071bf4abb847e119c5ad81f6b05

Download Submit
memory/1640-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1640-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3032-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3908-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3908-42-0x0000000051BB0000-0x0000000051C48000-memory.dmp

Filesize
608KB

Download
memory/3908-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3908-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/3908-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3908-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3908-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3908-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3908-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3908-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3908-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download