73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
294s
max time network
302s
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, 11:41

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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
192	b2e.exe
1672	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
1672	cpuminer-sse2.exe
1672	cpuminer-sse2.exe
1672	cpuminer-sse2.exe
1672	cpuminer-sse2.exe
1672	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4488-6-0x0000000000400000-0x000000000393A000-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 4488 wrote to memory of 192	4488	batexe.exe	73
PID 4488 wrote to memory of 192	4488	batexe.exe	73
PID 4488 wrote to memory of 192	4488	batexe.exe	73
PID 192 wrote to memory of 2988	192	b2e.exe	74
PID 192 wrote to memory of 2988	192	b2e.exe	74
PID 192 wrote to memory of 2988	192	b2e.exe	74
PID 2988 wrote to memory of 1672	2988	cmd.exe	77
PID 2988 wrote to memory of 1672	2988	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:4488
- C:\Users\Admin\AppData\Local\Temp\C1BA.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\C1BA.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\C1BA.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:192
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\C6DA.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2988
  - - 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:1672

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\C1BA.tmp\b2e.exe

Filesize
256KB

MD5
18c91665349cf71648d4af5d21843ea9

SHA1
6be582f8587a42e96d73bf174cb6d6345761c192

SHA256
979d6a944f61f2cde2dea724ce5e0297005602c15fbbbcb917540ec1b1f3f937

SHA512
544d110b9bde470b9411a91f9195bf5e6914c1e5c59ec4485be08acaecd0e519d1c932181cf5a76d5241dedc362beb56f2fb407d808d554e43d408b34a621d48

Download Submit
C:\Users\Admin\AppData\Local\Temp\C1BA.tmp\b2e.exe

Filesize
10.8MB

MD5
209a6b5eb7b0e9c2b2a919524f69a049

SHA1
867646635c7a4556905fda00f29d88928c492495

SHA256
beaefa30895c5c5ff9661c661b51decce712334fe29e0da633c594de9d50d420

SHA512
449acb1b0280b20b3ae76fe0ba8355136ff2265793d6e306c5537e09be64223c6d8a8946c1d645d91ee8dcee2391e184ba458635d251eb0dece3d286354e48e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\C6DA.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
10.7MB

MD5
5867043034fd804e2ef802c3ddd4aa7f

SHA1
903a68a0a8bd7a41eb269085f5dc82258fa86196

SHA256
10383b4c7d75c9e0b89c795520668e9a7b4b99928f26eceb8741b5167d9d4317

SHA512
9f732470a14e4811cb458bd883b2d8758727d1f00d9d14e00254425b7d8a1f3ce1d0bb6b3e2df8e8bf2999e93e877dad5af2f945b7f5621e8d0a2d0956238f10

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
6.5MB

MD5
e09eb66aa9a9d0326398a9860b0a6ebc

SHA1
a80c2b04b701a65146d7623540c6ba933ecd7312

SHA256
dc1cfc4272c2ae788b1d2cabb916b950fd9c2d06bf73d8f86bc28076a4bce3f5

SHA512
4bb6f686fc55caf5e480b0537f05261c7ac3b5a6fdaf97b9e07dfa76996609e2a6a333a89f33e755b0304cd00daf5f2b3b989009a6d03526a3199d2ac674988d

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

Filesize
7.5MB

MD5
340a6cdbfd87b0a3804d32b1bcd6d62a

SHA1
29993eb6761f0bf115018ff77c796edf0dfae61c

SHA256
14599d6c789999b3812fdc8f5accdb2e2b83a389f56a6f38a133465a789a1725

SHA512
9c37d491b57125067bf44f3b39649079b4be7a3d54ea7c3b9a859c29fc4b62b58aa934ca65f2992af86fa9cbbd70a615a1d9c0a5b16978fecdd89d28e2c3baf8

Download Submit
memory/192-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/192-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1672-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/1672-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1672-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1672-43-0x00000000677B0000-0x0000000067848000-memory.dmp

Filesize
608KB

Download
memory/1672-44-0x0000000001080000-0x0000000002935000-memory.dmp

Filesize
24.7MB

Download
memory/1672-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1672-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1672-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/1672-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1672-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1672-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1672-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1672-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1672-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1672-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4488-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download