73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
max time network
308s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
20-02-2024 03:35

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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
4784	b2e.exe
4792	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4792	cpuminer-sse2.exe
4792	cpuminer-sse2.exe
4792	cpuminer-sse2.exe
4792	cpuminer-sse2.exe
4792	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4696-5-0x0000000000400000-0x000000000393A000-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 4696 wrote to memory of 4784	4696	batexe.exe	75
PID 4696 wrote to memory of 4784	4696	batexe.exe	75
PID 4696 wrote to memory of 4784	4696	batexe.exe	75
PID 4784 wrote to memory of 228	4784	b2e.exe	76
PID 4784 wrote to memory of 228	4784	b2e.exe	76
PID 4784 wrote to memory of 228	4784	b2e.exe	76
PID 228 wrote to memory of 4792	228	cmd.exe	79
PID 228 wrote to memory of 4792	228	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:4696
- C:\Users\Admin\AppData\Local\Temp\D3A.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\D3A.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\D3A.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:4784
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\141F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:228
  - - 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:4792

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\141F.tmp\batchfile.bat

Filesize
136B

MD5
8ea7ac72a10251ecfb42ef4a88bd330a

SHA1
c30f6af73a42c0cc89bd20fe95f9159d6f0756c5

SHA256
65e2674fc9b921a76deaf3740603359794c04e059e8937ab36eb931d65f40ec9

SHA512
a908979d588625aa24eb81238d07d88a56be5388e1265ebd2fe09889ed807aa9a4af77107e72a843c31acadbe06db0d7f6f6a3c95fb481a71e549e8eb74c2ff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\D3A.tmp\b2e.exe

Filesize
2.0MB

MD5
0fdc55d977eed74f96539cfa093363be

SHA1
7640292a0e40ffecb7d93031affe7b3d14cbce3c

SHA256
8ebe0b19863ff2a6de824cf429879305206c3a2a32b008b09c9ac858d11b679d

SHA512
c90096230e086af8e74c24740c5dde121c96a01bad7486e2fe7082ba691112986764d6b55a181c25e3633e0bc3aac1e83307abe8f59328b8a275403567d11ad4

Download Submit
C:\Users\Admin\AppData\Local\Temp\D3A.tmp\b2e.exe

Filesize
2.1MB

MD5
41f663dffe44fc3790c72e2e96cf1f17

SHA1
90093fb61140fdfd8e85853430b0b26761cbb63e

SHA256
83de16379442611616543b533dc2011570ed93d410a24091a474815bb258719e

SHA512
4212ee1c4196d5c5dc999fca80d27ebe9d5cdb765a3f920cb15845f10722f385358de290e48e67066dec98e65d473a3795e82696233ca6fb4917a1239cdc1022

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

Filesize
806KB

MD5
d65b0264c45080154710362973d9b2eb

SHA1
8afcf795007d8d4a36c49d67e78588db36301ca4

SHA256
59395f092aff0f055b53811f1eb99b3425ed99ec6550858bd3e39928321ee774

SHA512
cc382bcde8ce9aa84a8771766dd442a19a9e575de9161dd3cc66ba7d5760428f3b828302f17189febbd28f18c01f651ed506ce60e86d73e9ccb6586cb6920194

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

Filesize
781KB

MD5
db794ab859ae3a79e3c730aac694a476

SHA1
392c7be01ebfeab5fb63dd733cf25bbbf4a499fc

SHA256
69d77ce8c25266f7f7f2c648458729449ad0a01237a5d60bc6ef2c14042d0e3d

SHA512
9f3e80deb171828cfe456dcb9867b7f3ceb9be3dc6b36fd74dd09eded26f32d462c4fee0e888bfb370568e847e7baf3eccc3860debb6261e75a4bedeb8400f86

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

Filesize
717KB

MD5
6729b44b1f45dfca375bd5f8468cd9fb

SHA1
1b516ead83690113d2a4863889536e27a62146f6

SHA256
527e08c9ac11d77430a7ac86ce44a288138d262342f9d2f6615cc9a9ba694d3f

SHA512
39277913e28f79147822e05820fc72aacb9779c448fa084603ee5b395a2462f707dc6a52306229ec37de229962e2ec7b170f50c13d756b89572cfde8e20635b6

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

Filesize
948KB

MD5
6e05819ae36b9b35e772b1dc72947687

SHA1
7bbba3057ebbd292b173ebc070863724afeb98d2

SHA256
eaedb7d8c333f484a3d2ce8bc93b85b0b0f77dca7fea271b5fdf81a7bc56afd7

SHA512
039ca54bccaf7c5a5850c2700a617f1097d66a0ea55bd4c6c90e556f3bf0a0db3c4631dc2218ee7ab04ed07833761e2f8dd3dfe16dbed1e088dc8bb3ea12685e

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

Filesize
847KB

MD5
df77db646ca37b5ca9eb969bc09d1df1

SHA1
ee6c829a963ac2c962d308e058ab938b7b647293

SHA256
8bcc7e4bb5c4e777748a0d39c4b19b2aff84fe9ca7137053504f8418d56bcc18

SHA512
83621f734a43e36a00afc714852ba6aa586e77efdd8753660f983252847276baf09561133e51e1250b804133ca92ccaf89ad7d992255392cfb25c4f35e5b15bd

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\libcurl-4.dll

Filesize
763KB

MD5
47482ed8e75acb8b8662dc122c8502cb

SHA1
9d1d81634b97470bc4b825f75d9e4740278e72fc

SHA256
27e12a192920552373866a4890617000727a53c2d5de73c4b9a4e9ec6ed07e68

SHA512
bc0955e8767deb0663ab07cbb11ba798145d722352c7d47ec4ea36d09278ea0ea72d95a55ea24d1b78b42351e81d38ed34ebd8ac9fdc5d5dd2852c85c6df78c9

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

Filesize
672KB

MD5
154b18fc9286a22098f8b39e56c82ce9

SHA1
e9a5c698d5e16db976f9d157b568d338d481d1eb

SHA256
f90023c14f640fcf94b2688b29f24ac189e871946be6c7bdd90926ea9826c94c

SHA512
d8c0e53d2715be3dcebb5c7a408a8b76e3b439a0d84bfaaabe036cec539c2a06c51ad7db44afe8810e5ba3abdd5536d37ec941dfb95f7beab620442e5bc118b0

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

Filesize
582KB

MD5
76d33772fc3765305906a5815559de40

SHA1
c09ede00982aea9698ae8e2730468a9b74c9ccec

SHA256
9e4748b52fd5cd34407a8f63d48b491b2cce062318ab4422061568bc04b0cd03

SHA512
65274f17ea5b2a0d0b8e036514b0795d2c3f9bf8fda24daaa35c1ce4fc5ca9b861b3bcbaf2e4d97ebee9e226b396ccda51909c66e65c6d0505dc66218ec0d0bf

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

Filesize
556KB

MD5
841b1146f1f0e1468114a0efcf887715

SHA1
b0ba7ed4146f7294309192ae4f28b89c81a07c26

SHA256
8d7c4f93cb9900be13b841b837082700e2006bbed89172b23a1871024e132540

SHA512
c8ffc06a6c97c75469686b44120a51f79dc2183a8821cc0839cef37302abdbe2ef8c9e49fcc4afca964ce35c5dc2e8dcccb73fe62b0946cd4025cd9caee6eac1

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

Filesize
473KB

MD5
056a938f92340cb118ad6e027a43e6df

SHA1
df77170579e48cfa71e9fa314de55f1fbec2d44d

SHA256
98c5aa504118559d7898a2f2ff382330ac4d05da99e062e6e0aa63101d99c520

SHA512
31800bb08d3f397b5830dbac57857c33dbbfc03ef788127a9e125d0a220c2ea6328c669e21de2a14668d5f3a25cf17063cdda2b553c351418939570516690af5

Download Submit
memory/4696-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4784-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4784-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4792-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4792-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4792-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4792-44-0x0000000001110000-0x00000000029C5000-memory.dmp

Filesize
24.7MB

Download
memory/4792-42-0x0000000070ED0000-0x0000000070F68000-memory.dmp

Filesize
608KB

Download
memory/4792-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4792-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4792-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4792-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4792-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4792-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4792-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4792-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4792-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4792-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download