73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
297s
max time network
297s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
18/02/2024, 10:17

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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
2320	b2e.exe
3260	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3260	cpuminer-sse2.exe
3260	cpuminer-sse2.exe
3260	cpuminer-sse2.exe
3260	cpuminer-sse2.exe
3260	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3156-5-0x0000000000400000-0x000000000393A000-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 3156 wrote to memory of 2320	3156	batexe.exe	74
PID 3156 wrote to memory of 2320	3156	batexe.exe	74
PID 3156 wrote to memory of 2320	3156	batexe.exe	74
PID 2320 wrote to memory of 2268	2320	b2e.exe	75
PID 2320 wrote to memory of 2268	2320	b2e.exe	75
PID 2320 wrote to memory of 2268	2320	b2e.exe	75
PID 2268 wrote to memory of 3260	2268	cmd.exe	78
PID 2268 wrote to memory of 3260	2268	cmd.exe	78

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Users\Admin\AppData\Local\Temp\20D1.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\20D1.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\20D1.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:2320
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\271B.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2268
  - - 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:3260

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\20D1.tmp\b2e.exe

Filesize
2.2MB

MD5
c45fd0d5b73da54e2a5bdf72014610fe

SHA1
30036bc4ccd381717eb341ea9a16d9b100221c56

SHA256
8a5e323c568a2fd0a0b4b6a5b68512781d2b574693505544f317b60ede119abb

SHA512
cec6983414e5d341d77be769a7b472854eefda700d5b797bb98e2209ad4d1b6a579b78a08c9ea8e525aaace5f8d20e3be4e4f7a9dc736d5f0d3e3fff1e9fecd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\20D1.tmp\b2e.exe

Filesize
2.5MB

MD5
42e3e9a0c919d36da56f02bdc7c34246

SHA1
1f1ebdcee89d5a57bb5daea838cf8c46a16331e8

SHA256
a715e5bd285b39146815c1c32fc6cec189fd9125ca325dc68b79928c1177b9fb

SHA512
23cae345d218b788342603607f328c663efe9c69f2ab9261229a9820fa2749cad84b0710dc257c659a2cb49ecbcfe328ba44a8aabfe0a54393cd30d72fb2a0e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\271B.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
130KB

MD5
039288eabef3da4906012c3809871bcd

SHA1
b5698a338fd7d75981d267a63cfee1ab761dd9a4

SHA256
63f78673d1570906fde4a6ac434b7612496364760e4501247a2e6fab5e4bba51

SHA512
1238f157bdcd932a21607e19b5f646c4768b8fb3a3bad444af0a44208738b93abae33d79b52ef247e34502523fb4703d41d0cc1f0d3d47b240a3533eac4600a9

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

Filesize
126KB

MD5
02e29e2e89cf1cd4a1a1a11cde27f175

SHA1
01cb667ef516f777ec21f49a548a8e92185332f4

SHA256
124b3623666f784de5f190ccdb4e242c2371161e87a7a294c7122c480438c1ae

SHA512
4ea51cb2aa76b76322259ca068cbc43f3e0b099dac7b517c1f1a69cd7703e2d1071c2ce265714d2ff755e8d0499e287a3b25def6b93e87ea2c3e662d9298792e

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

Filesize
116KB

MD5
83b6821fa1c858f802fbf4114ffcf1da

SHA1
4ec3f7fb4be82c19c7943fa9dc0503f1f4f99e58

SHA256
bce651b25bd75edc7725f7c41cc57a0bed2d85d6d96862bba498cfa1f283a817

SHA512
9d9d0a1fb626ea5a86ced221d90c39323e78472c97b6e30ae4bbacae6c7b058949e7bd76e96bd67b43edb8b0e31292ef682e10aae0976ef74be0ecfd93552b52

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

Filesize
120KB

MD5
65c1b573882f0ee95d2b9639ad02eb0d

SHA1
0542d02b39f024ac151025aa6a90c1846769ea7b

SHA256
ef3f20fa8e42fc2684646804f92d3d1da80663f4b4dcea621b6dfca84b15ad18

SHA512
ad869aff0d6d9d2a0d15124f8e628ca6c17f6de842fc97aa1b04ed5dec5d5112ee09744a25dc339ae467c480138e2934ad211137bf63c9781cd2d3869f724db1

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

Filesize
91KB

MD5
873aadc948d3a0a0ec29edf349ce9cdb

SHA1
9ff248b5e6ccbcd3cf7d632aef97377bd4b3210d

SHA256
5d5de808dbe55aaf41e43a36c80f890c258137683d561a8643af35ee97586614

SHA512
64a1d9c05fd09888303c652f52404c55f1f3a6e49ae586809e29c4588f1bc451f54e3d9f5b4ca2c8d1e0bb8c0df5c8a126891fd5225001510b2ec1f30d61fec7

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

Filesize
19KB

MD5
a58dbde13aabdf62dd234edc92c73212

SHA1
9cad648617f27cc397320551c12b7cd7ba05491d

SHA256
e2e5485c4402cf9973626dbf0f2a1104fe5d52a799a3fb83dd7d9ac52a8a3142

SHA512
b18fa2e5d9f0055d3198434a9d83d5fe28a4e7b0ea43c8e98cc9a487fd171531ca25c2d69f220736339d129764ce0a28f7ef3b679176bf61cde30990278351af

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

Filesize
87KB

MD5
47b5911b9b49bfab79be3326d7dcd1ad

SHA1
0639f56f7207f2a445b23526377403d6f444170c

SHA256
8264b6a74a68e140ac215799a48edbf7b5df170bc494e7efe3a2b05bc9cf5a82

SHA512
580d4744f2a8ea7e42d0f6fc8107f8cb39793a0e0d67048f73e7b1b9fd6dbff4a4a327c592659980e031f564658a9e70582b4bc699c0638972061d0319b4776d

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

Filesize
64KB

MD5
7fcedb6e973c5df3b6652a2afafa6a13

SHA1
116728803559ab58a8127544df80b75a0dd1c6d2

SHA256
fd7191afdecd35b78a0c0ca0457cbbf42ffda1e52263cd785abca5f047b18825

SHA512
05c86bf84079a2cc13dc7a1a917a0839ccd2b18e0440c4bd419c99f65c4161ac69a9447f56bdf6051b2fbbc49b7556fc3717432d0e293dfae2921c0701fe64fd

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

Filesize
72KB

MD5
126fb0d30192af4b0bb953e36e1f2f7e

SHA1
d4963f67f7239f249b187244e4b0d647d3b43eca

SHA256
187a2e3ecb0e747088cab2c5433f5b93fef54e86056f7dd49e34c726ea02ec0c

SHA512
58314f9bc8e34286bbe24eb9187bbb752bb7bca048777b86ed7409d9d36c2cedb3a93c78866850584df7deb5835d4646ab739b543cd2e84bb05f71799cbff7eb

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

Filesize
84KB

MD5
5ecff809c5647a1c5eb34cb542b3aac6

SHA1
8afb169c899cb3c37e59c1dd0c1d2ece51694636

SHA256
cf4473ce2bba6f60bda82c9f4f003cb25e1530d36e041669a276685d3be17cde

SHA512
b8d95aa47de6c0b409b7f269ec9fb93b170ae301fc8531735606f5045e1fd894a7edd5bc7694b62dccf933150dd827070b293c44400aa308f6b4dec63a91095d

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

Filesize
26KB

MD5
1e7b8776716f97629d566fcd590443fd

SHA1
ad6dd2587e4d929e67527539575bd025b826cc9f

SHA256
aca7902e9c238568de54026ca56e353dacf0a985f01eaf0ff48539524d9849fc

SHA512
6d33abca725845ba21e8df841f67002336079f636c874cb4ab69f983d425548cc3c003a1740ce6029607f085932e3bebe9519718734243ed87b1569cb0aa74a8

Download Submit
memory/2320-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2320-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3156-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/3260-43-0x0000000050AE0000-0x0000000050B78000-memory.dmp

Filesize
608KB

Download
memory/3260-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3260-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/3260-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3260-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3260-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download