73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
306s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17/02/2024, 17:27

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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
4808	b2e.exe
324	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
324	cpuminer-sse2.exe
324	cpuminer-sse2.exe
324	cpuminer-sse2.exe
324	cpuminer-sse2.exe
324	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4884-5-0x0000000000400000-0x000000000393A000-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 4884 wrote to memory of 4808	4884	batexe.exe	73
PID 4884 wrote to memory of 4808	4884	batexe.exe	73
PID 4884 wrote to memory of 4808	4884	batexe.exe	73
PID 4808 wrote to memory of 296	4808	b2e.exe	74
PID 4808 wrote to memory of 296	4808	b2e.exe	74
PID 4808 wrote to memory of 296	4808	b2e.exe	74
PID 296 wrote to memory of 324	296	cmd.exe	77
PID 296 wrote to memory of 324	296	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:4884
- C:\Users\Admin\AppData\Local\Temp\C2D3.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C2D3.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C2D3.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:4808
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C841.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:296
  - - 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:324

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\C2D3.tmp\b2e.exe

Filesize
7.6MB

MD5
55aafea386fe936f8cf36a68f18843f1

SHA1
f2469e22f5da5d6920b46039eeb0a86648cd6c90

SHA256
bd4be0b0a70faaf29905ccaf23e84e7b5262e4aa0de1536242a6e6fb0b742438

SHA512
48e91ef5ebbdcd90dc179c3af603de3178b93d94022ac9658e3614966fa479f71135280c5b6eb43985b0bb919d0a4e16056df4efd4afc0ffe15afec2b33b1f12

Download Submit
C:\Users\Admin\AppData\Local\Temp\C2D3.tmp\b2e.exe

Filesize
11.2MB

MD5
5b78002a8e5c68ae9e9140f29a174fbe

SHA1
4b88c95d497d47cb24b230d9b4b3f9a1588a7aa7

SHA256
c4292828abe10d566080e086fe349082c5c16e146f284d2f74b09310ea540ec2

SHA512
dbd8740edfe8f41c551758fec020b9bc450df0cea7ce2ee9b74dc51252b8e2484998640ba8d234988384c36950e69298c55d4e6cb6f670dff0a625a821980231

Download Submit
C:\Users\Admin\AppData\Local\Temp\C841.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
768KB

MD5
fe316f2b417e142dffa0e03efb65e1a4

SHA1
907805b2c3bc0a0791086cb5fc8e3a950bc78e6d

SHA256
aca06866767d9e0bbe1e9bef7efce1152d34243e1acefc5f7ac4f6a245456671

SHA512
8ebfa0700b00c4064d1ded11fc1b4001f01238ee0c4cf88a873e0ccf38c30a574d600649bfdef85f2e3aec5c279a43680f7a66604bc6f27bbda0219e3786774d

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

Filesize
10.1MB

MD5
f9bfe0b0d9de44d92ddf935986e55f78

SHA1
88c4b3459f43c9f62ea248b69a77d852046696a1

SHA256
96af50921250fe58f6fa5dbd66475f2112b6648b9e6d3d2cdef3b61c7b39bda2

SHA512
51e66c3e0e99a9357e90dc23724fbcee21e65ce1f5191cccd977dcbfd18b3e0f7a3b9d51123e4110064b3fb4a2380d0405ccf7b308018d10d926e010d1a06e81

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
10.8MB

MD5
68e373e1bf75eec53783d812c260cd53

SHA1
cf20a7c6330d1508714c6284a271bff9186ec524

SHA256
b7209f7d285eef97d1b3deb6aa4bb90c5da69b1fa99a82388232c266ae0b0dce

SHA512
c81cd0862ec832aeef7c7922ec79a09410f98dd105ec40193b8e8899885a313fc1876d333df47a9a1be26b867d7043b1352520b69f9b6202a69e3497f0dfa81c

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

Filesize
1.5MB

MD5
73541513dbe2388880fdfbe2d092d470

SHA1
cf554348daa6e4384aa8972607e0fb85eef1f0e4

SHA256
9442647e652eabce1a148387d4c839ac5b216081943e4a42082f119621cf1a71

SHA512
6fcf3bd2b1374b6821ca17977841a2c0aa185f5070f881ab83768c3ba6153d52ace547ece5411028ff03e0ffab62e1d30bab5637366ea4c98c1316b878cc7ca9

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/324-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/324-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-42-0x00000000677B0000-0x0000000067848000-memory.dmp

Filesize
608KB

Download
memory/324-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/324-44-0x00000000010C0000-0x0000000002975000-memory.dmp

Filesize
24.7MB

Download
memory/324-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/324-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4808-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4808-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4884-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download