73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
304s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
22/02/2024, 13:32

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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
1948	b2e.exe
3608	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
3608	cpuminer-sse2.exe
3608	cpuminer-sse2.exe
3608	cpuminer-sse2.exe
3608	cpuminer-sse2.exe
3608	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3960-5-0x0000000000400000-0x000000000393A000-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 3960 wrote to memory of 1948	3960	batexe.exe	72
PID 3960 wrote to memory of 1948	3960	batexe.exe	72
PID 3960 wrote to memory of 1948	3960	batexe.exe	72
PID 1948 wrote to memory of 4008	1948	b2e.exe	73
PID 1948 wrote to memory of 4008	1948	b2e.exe	73
PID 1948 wrote to memory of 4008	1948	b2e.exe	73
PID 4008 wrote to memory of 3608	4008	cmd.exe	76
PID 4008 wrote to memory of 3608	4008	cmd.exe	76

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3960
- C:\Users\Admin\AppData\Local\Temp\A74C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\A74C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\A74C.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:1948
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AC4D.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4008
  - - 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:3608

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\A74C.tmp\b2e.exe

Filesize
3.0MB

MD5
42e52d2aa6e0aa4e0a6cb435f3e72e32

SHA1
904d518be9644114eda76add80ccf585ee238731

SHA256
4f8c614822cb12e7405d484d8ef1c5796fe1002f4e20867e761623d6108bd5ed

SHA512
c5bdbe9278322b817f6744ed51e93d2a5a32b7285a5d8506bd7d6578fd432f43caec54c5ae81074a06b8c2b4a36ad5ee4bb6e817698252ec8df1406ee68916e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\A74C.tmp\b2e.exe

Filesize
1.7MB

MD5
7b9e19cbeef48d1436f80636d98f1e29

SHA1
211ab3ec2dbf56621bfa6e7b4af51f6d59ed7e22

SHA256
ab3065d4cd6d2916257227617fba70a92bdb7b65f474d9a3b5a7910c6791775d

SHA512
cd561dbc1747d3f5e1a799a1d6f13d71150e273835ecfd1f84b00e742b04a23b41daf83db404ef527c1531f665bd6e74a4fc62bc84759208b958a4803063bdae

Download Submit
C:\Users\Admin\AppData\Local\Temp\AC4D.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
2.3MB

MD5
4c04147c386ba8792ac6a03069572a8a

SHA1
dda67789fc1d0f2469ca95f01a5c81034853ca6a

SHA256
c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

SHA512
a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

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

Filesize
836KB

MD5
aeab40ed9a8e627ea7cefc1f5cf9bf7a

SHA1
5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

SHA256
218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

SHA512
c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

Filesize
231KB

MD5
d478589b71822e3864fc57446b292a75

SHA1
76a969d06d227cb8ef12cbbfb7eff5e1b75d3d6b

SHA256
900109078f4d87405206c3d5e423833e586bc3aa01e9003325286425a9890ebc

SHA512
c4335ca68b8ef748f763a04129d4ec87bb0a8524cbe8ba46556ec9dd62ab92612036bfd75ccf75a5fb328b2ba5503e01143e2a76de87cc2da1fb45527bdcafb3

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

Filesize
10.1MB

MD5
d8b46af39e77e28641f8fa56e0055470

SHA1
5e9d753bf9a16dfbe0f0d66532bf24f8dce774e8

SHA256
99dbbda762500ffd6c715cc41ce473790bc5cea3cc199335267b37c8e7bff746

SHA512
3119108fbd26fe0e44e04b80839cf8f43b67c618eacea4b003ec53a77c5d61f08c22095eab39f913da49327ac7dddfef021f4b3e766914d7ae988c9f80658a78

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

Filesize
371KB

MD5
d11c3c84d8d6efd9495b1bf4bce85126

SHA1
3b0dc6c1103f5c3a41f1f35f980359e01243646a

SHA256
63f68327202cda2031476e2ab0938ae6cd807a1b8cb09bd9d6b0b2a02de01325

SHA512
d11623a8d48c236f93fe29dae21f428108fa76489eb65974794384023c6ca4a6587f5fd276a6eca8a4b855af6746cecb7ab706ec1f847a8be6aa7616cf7b7f47

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

Filesize
64KB

MD5
e7317a0a343dc63f3fa3bf9ca6e93ff0

SHA1
0d48881feb76cf81fc46614bebfa3c134cada128

SHA256
277a43f17ccc4f0fba87c710212de61a41383bcb94410fa093b50ebd50347a63

SHA512
84ef51472db00cd4e90df3062a3cbc29a994c5cf470e54300d4a2f103ba8fb8279ec87b0561625ea1bccd80a7ad664c63457831b4eb919a7608099430b98a3d9

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

Filesize
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
11.6MB

MD5
27944958aafcbcc5792254fe6ceaee92

SHA1
bb676bb8ba12faacb27ba972228686abbc351b99

SHA256
3301dbeafda217425d555df303ec04fa1c115e7fae2721652287edd4a62034f9

SHA512
c3d1f34585e9817119816fbb504dc4c8e243430908bd986564afb544d43ebc9c7210076a414e7d3fd3b515aec851cf13a707fb8789a58959e7cc1270b8fe2993

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

Filesize
10.5MB

MD5
26ddce211b19fede9299a670245f2942

SHA1
519be6e5daf3f240352e5279310bdf5890b12bc0

SHA256
960e5692bf2e81dc39789b9d89ba08338eb0903ccec765942f994e395a21999d

SHA512
d0e38b22628afe2769765aec6149117c01b13c6ea7b9cc74a1fef2c845c6890d22f3694a879cf8db066dbd54503a97febdf0045cdae2936febc573bcf651c8bc

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

Filesize
14KB

MD5
57bc28e77ba7f02252d5d1c6ebeb7e33

SHA1
03d31966e052d14ff5f92d69ceacf8fc886e003c

SHA256
094b3dcb3308d87ee8c065d27dc1e0ee818c68d37312bdbc03af9c88f20914aa

SHA512
c11bdf493da9bac705cf4d31330ad4bfe2e93c5aa6c0812c47906645e441981880cd651ab20b53e0e9770053d8e3b5a7acdd515ec74f6e16a8c2cdccf49229d4

Download Submit
memory/1948-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1948-6-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3608-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/3608-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-43-0x0000000069240000-0x00000000692D8000-memory.dmp

Filesize
608KB

Download
memory/3608-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/3608-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/3608-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3608-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/3960-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download