73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
295s
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, 06:25

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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
4616	b2e.exe
4116	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4116	cpuminer-sse2.exe
4116	cpuminer-sse2.exe
4116	cpuminer-sse2.exe
4116	cpuminer-sse2.exe
4116	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4632-4-0x0000000000400000-0x000000000393A000-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 4632 wrote to memory of 4616	4632	batexe.exe	73
PID 4632 wrote to memory of 4616	4632	batexe.exe	73
PID 4632 wrote to memory of 4616	4632	batexe.exe	73
PID 4616 wrote to memory of 3320	4616	b2e.exe	74
PID 4616 wrote to memory of 3320	4616	b2e.exe	74
PID 4616 wrote to memory of 3320	4616	b2e.exe	74
PID 3320 wrote to memory of 4116	3320	cmd.exe	77
PID 3320 wrote to memory of 4116	3320	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:4632
- C:\Users\Admin\AppData\Local\Temp\B575.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\B575.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\B575.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:4616
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BB03.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3320
  - - 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:4116

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\B575.tmp\b2e.exe

Filesize
768KB

MD5
41acb3c7c35169437c8e50c36e39f5a5

SHA1
6b7a95c8fb404247edb7430b46e931495eeba0d1

SHA256
77003c5f07279f31ace3879feb99ce0568a05bc7bc56ecd5707bc0581cb6016a

SHA512
670b258078f3ccd9e3e710a994d95d406094dab87b4e4e11e3b312a7883631877ea896bc53150cb8b9bb8a0500df129005973212fce0541978df505edbe7d145

Download Submit
C:\Users\Admin\AppData\Local\Temp\B575.tmp\b2e.exe

Filesize
1.4MB

MD5
fe4bc2bb4397eea601e0fa6c45cc20c6

SHA1
35477fc0a38f9db357a70f9b0573537fca582a9b

SHA256
8852fb3a8294753e6b088d458547feaf54685068ed6bc0dece93f608ab44afa7

SHA512
3759f54232069d2efba631954ff86bbf5ef58a616e4e0109c9ad5fcd632ee97ddf169ebddbe58237dbee36951c8d2e176312abe4e142f636398bff8fc2973bbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\BB03.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
384KB

MD5
eb8ea4d2595402528f73410e2c8651ed

SHA1
23abb385032a9317d00c826eb21e0fe6fc802c50

SHA256
fc3c5c1787c58c465ea47ab132afc59d209b1f7d319ae80a7913ed5c39157017

SHA512
7f4485a662859bdec898bb4f9675c8a834ab570ae7f4df2b6e95a9f5ab45f8fba612d04f0edfe22dc4bdcd3011af0536ed200731262056cd7bec332ce4b18573

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\libcurl-4.dll

Filesize
200KB

MD5
26599f623d6b667cf50db745c9bafe56

SHA1
7685db682146ead9546c1500dc8f71ffa8a50ac7

SHA256
7fe2186e5f17a8656edd226d80ce0be65997b1af7143ce0c4dcae65194375a99

SHA512
7e78c0a05dae03f9868d90e2b07d2feec3fa5fdfd528d75f9a3ebae9adacbac2e4b4dea245a3a43bf27586252403765b2a539b31f3b2f3d3c0682938da0ad3b1

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

Filesize
192KB

MD5
d73b46cd072058efc54c4b3885f47e13

SHA1
84771c2c4f5736ac08497737cba2a8634d9e9178

SHA256
3f62bb203bdcca4e489401897e0558cf33ad6fe890a9987f90f5c3894b965b34

SHA512
519c91b5b5a82c5a755d7d4295c040cfb6b0f029eb088a6bfc428db11e30d7f954ea6fd6de9b083d1781e1142737ea39572866ab5f669848dff7ef0ce34c79c7

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

Filesize
192KB

MD5
62069650d62f76a4cdf0e81172d99993

SHA1
3b20ec5b4a4320ee15b0f7b9715a9ab90f68346e

SHA256
779a5590c667d9a704b79e159259c0646737394fd66a9c0b12d13f9445ca091c

SHA512
ae1954a84fb7543465e77a4cd5cc1bdeee0cf848592958633e6c51702b42131daae64c302d5c9537c59a9b3ba9498e5bf913d1f6f757ccdb8c4183b33224852b

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

Filesize
64KB

MD5
6cccf65bd7d7ff5b53aeb882e15c462c

SHA1
a9822b63ad70c6085ed1deda0fbe4bc5fe555f3d

SHA256
1379cd6111c2c37cf16f2dd9b325118513e85c35543ba45e79deb504dd4c01d2

SHA512
c174b5f8615131c2b86c57aee166744ee1fe02ff7c916195f2fde06684f467545a3fa4f88083335e2045d12727d774279dc8672ec352de3095b729aa5d1dedcb

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
14KB

MD5
a05dc6e0ef80d83af942731c107cba23

SHA1
0df3848ae3b6e23f76447b59f9cc6f390d693625

SHA256
89c125ce96c18bc05d47a5ab4fc0198e57b21c501483a187f1da0eddee7673c1

SHA512
c94a214ce9eec79046677fd5fd438d78323766c83cd1d6d68189b17f15842c4e8aab37cb654587d0a7d8db9d43653810813fe34a6ccefaec7f3d3e5d1328316c

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

Filesize
7.2MB

MD5
4a1757bd0630aef2fe74ed29d49f245a

SHA1
c68cabbd481352c52ae450ea7b031afae54f88fc

SHA256
5ab336054b7944dc03847b886590de685ccd8705ad8873b0650a98586820235f

SHA512
23957182691c970e005027d439e8b400fa86a49e5b918fed1c883c5d924b18a138bb3b5215406f37c02b4134e8adc94bc2457c6f2c43e060d9f6d2999f271eeb

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

Filesize
7.8MB

MD5
f41c86123eaca23802b7331ede39490f

SHA1
c13cfe521ba7efe86590c701f77dbb8a2ed65058

SHA256
6d1957bdf62e57bcbde72fac80ae5b2840007ca249990a28c39719aa0073d429

SHA512
dec0f84a67fd921a237a982b356565d231c9cd5f88c2819409f19e67d13fe3523358e071c29c5f76283d4b5c2fa0331ae78682ced65359c89ac7ee6fccca837c

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

Filesize
22KB

MD5
50237a81239365f13bce1191c9dcf4a1

SHA1
97d18ee2715a1cd6b4672b16c4403280bd3998ad

SHA256
5c0f4b3ca7a2be7fc226631c4d7794d616f7b582ab8e74c397738f949be4850e

SHA512
9076efb2e4b24c9641af352fce663c2a9bd21e08ea846b1a161be7e4d8c8bc9bc4ee76f58ce40bed9e44a90f08a70a56b1b69013ced50eb04f81bba23e749da5

Download Submit
memory/4116-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4116-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4116-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4116-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4116-43-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4116-42-0x000000005FF00000-0x000000005FF98000-memory.dmp

Filesize
608KB

Download
memory/4116-44-0x0000000001130000-0x00000000029E5000-memory.dmp

Filesize
24.7MB

Download
memory/4116-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4116-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4116-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4116-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4116-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4616-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4616-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4632-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download