73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
296s
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 13:59

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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/4624-5-0x0000000000400000-0x000000000393A000-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 4624 wrote to memory of 2320	4624	batexe.exe	74
PID 4624 wrote to memory of 2320	4624	batexe.exe	74
PID 4624 wrote to memory of 2320	4624	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:4624
- C:\Users\Admin\AppData\Local\Temp\2045.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\2045.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\2045.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\2556.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\2045.tmp\b2e.exe

Filesize
3.6MB

MD5
a202c43df284047b4026052f2015b382

SHA1
531129cc3cff7410080574b0fd1f8404c8c343d6

SHA256
22e0189ee48633fcbb780d8ce081c027adcfd289ce6b90e0dddf506b78a59a66

SHA512
03192f196ccd2100255c1fad56bd14019876f87509f7215f1af469e93a9e4a8686d7bd18a1273d46e05711d1017a87948b4299a6d4597fa66001b29ee310cea2

Download Submit
C:\Users\Admin\AppData\Local\Temp\2045.tmp\b2e.exe

Filesize
3.8MB

MD5
7a69624f7316e5fac68a079a6cf60a81

SHA1
447571efee607e9f5f76959049bd7c3ae6cf8c08

SHA256
b487f8fd1607ad1c71cd1e896f00c0b306f894bc2e0f8bff05496c9b670ed0ba

SHA512
0430154ea7c1c9d7aa479ae0bad090e15b009de546085b382b2fa6b4eb8ecc157a7405e56bffa1b860e2dccb7f11e9f7173d018e8b6483982baa3a135c741d93

Download Submit
C:\Users\Admin\AppData\Local\Temp\2556.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
847KB

MD5
c98f0bb4e5ce76eb954337fd41ca2202

SHA1
706b97b31e884b97e30789b99f1d3236b61eb7c9

SHA256
747a7981139a3f04a7d5f6c6999cb20d157fd674e0edb3378e67f2269f52f740

SHA512
4be8fb280746ad5120fc65978337f5d8b118717ec131b57b4bbad50ef3d5b183189cbb41f4a41d5c026acc77104f834d108c1221668db9c69d658fc4c4ee7007

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

Filesize
930KB

MD5
e857aaa210d6c5fd7215430eb76e2082

SHA1
33147adc4145dc50a35022d9ae26c9602136754d

SHA256
8191ff8efa0e0e76b7381a8f8db85ba11bc27449116a4526a3805d240fdb60cc

SHA512
3b1eaae303936b2c9847abc5fc47dda035d39e500a5857cd9a130d0b3bb6b3be047aec474c79035576a5bbb9deff89ae75f5a9c6c5f160008c45c0eca98228fb

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

Filesize
685KB

MD5
5d6a41bd18e75c8632eff67ba33ca36f

SHA1
d551ce8f0ca9e935ccb35241bdb5e723c84196e1

SHA256
91ed175595e1c848231662c4d13d1a39c1908b4c0b4de13bb6450b5486b4465c

SHA512
c71436b66c81f38f7eef8d99424780f5b6a01c8964ae6f5e8b9ea7fd131522ef48a00b09c323d798bfaf112ccf63550a93839352b79a6dee05509e37366c04f7

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

Filesize
839KB

MD5
7cfe84ad90f6999473f632f107a7eab3

SHA1
eff4353d13dada4bce82ef40b4b72246b5b6e803

SHA256
b359f5cb1f0e9a814ab068e0960b6b32e6b9822fdb41f33c3c5e9d4c17f6a580

SHA512
a589656f67b6f3a9571edd073709cf037ed600fc3b7146b5d4edd5ccb8f363cc44049cc585707f6d5d54db2a7ea2c7244ec75e94856c6da4ca065986f532f10d

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

Filesize
596KB

MD5
6199e6477abe9538a35473c25763a8d0

SHA1
7a04998b24d17d989cc049fe9f89d2f9868d665b

SHA256
fd82401a58e59b0c70faa135c3e5d8c6f7f334fcd27e903bfafae227a603f01d

SHA512
a035b30a6581f7002c91367e4a97217ed564e9ab336c0c9f404822da50ad13e86f5847891e4c8651464aa8266ff3035eb1d99aebb9de55d0adaa21c399753604

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
437KB

MD5
971d4146dd3c859b9f59ce4015b93945

SHA1
4a2fc5bae370ad1c2eaa21b6fa334ff440f8bc32

SHA256
3fc1c9dee11ad14ac0c49aedf51330132e2be987efd0acbdfbef12b5dd68122a

SHA512
c6dd3a390a0e9297228a535272857c236de188aa846c8a7a754d01c64f5e0857c135325f5cd6bfe155108463b980a6cbc69d42a7eb571bce51d6e64bd482fdeb

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

Filesize
835KB

MD5
a5cf56b533e9f5085e8a7bc6cd815096

SHA1
4b9f6466f8a130a52cc14999f18fc00e6eb3bad6

SHA256
54342e027ff00845e7b957ccfb0f580c0054b7d11bd658eaec41a2935873025a

SHA512
f9e852e79f26e8b99305c4dba3d5f2bda6045c428fb7709ae4f8f52afeeeedbf0104de8f09475307d7118fa335ea0e65406f0ba4c81077ad9a4d17e04bc42119

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

Filesize
455KB

MD5
f9218204ade240b8aa4b422bc46ab188

SHA1
52f4223e4137b67f198150acc7b8b0414306efb0

SHA256
838de060b51807797c729a7e623d6a1e093fcf5aa495bc458bd677e41f73448a

SHA512
6d4cb5e23484123163f205f181d3f07f1ebaaf27c8d7f370bfde8bd3d738a9503f127af0cdc6254db7cd07ac0e665f862812c62e82c8e7e29b5e95a612adaae5

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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

Filesize
20KB

Download
memory/2320-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3260-44-0x0000000001050000-0x0000000002905000-memory.dmp

Filesize
24.7MB

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

Filesize
2.4MB

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

Filesize
752KB

Download
memory/3260-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

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

Filesize
2.4MB

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

Filesize
2.4MB

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

Filesize
2.4MB

Download
memory/3260-42-0x0000000050AE0000-0x0000000050B78000-memory.dmp

Filesize
608KB

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

Filesize
2.4MB

Download
memory/4624-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download