73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
301s
platform
windows10-1703_x64
resource
win10-20240221-ja
resource tags

arch:x64arch:x86image:win10-20240221-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
23/02/2024, 20:49

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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
4996	b2e.exe
5016	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
5016	cpuminer-sse2.exe
5016	cpuminer-sse2.exe
5016	cpuminer-sse2.exe
5016	cpuminer-sse2.exe
5016	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4328-6-0x0000000000400000-0x000000000393A000-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 4328 wrote to memory of 4996	4328	batexe.exe	73
PID 4328 wrote to memory of 4996	4328	batexe.exe	73
PID 4328 wrote to memory of 4996	4328	batexe.exe	73
PID 4996 wrote to memory of 1692	4996	b2e.exe	74
PID 4996 wrote to memory of 1692	4996	b2e.exe	74
PID 4996 wrote to memory of 1692	4996	b2e.exe	74
PID 1692 wrote to memory of 5016	1692	cmd.exe	77
PID 1692 wrote to memory of 5016	1692	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:4328
- C:\Users\Admin\AppData\Local\Temp\99BF.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\99BF.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\99BF.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:4996
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\9EA1.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1692
  - - 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:5016

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\99BF.tmp\b2e.exe

Filesize
1.4MB

MD5
c5e09858066f182b7f5bdcb61d9b36fc

SHA1
7a1de79ffcfa17a7a86a01f8d5046eaf970b8905

SHA256
b5ede4ee58898940fa268a8aa17da9fc31eae634a8c95afcb2412ae199e8f4b6

SHA512
70e4e7cf5ec9df418480b0773c325e489749cbf6b5af491b24f6a6b2298cb043f681689531e70666787d42723d096d57012f1bccf317367908ce68a1420a6dfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\99BF.tmp\b2e.exe

Filesize
256KB

MD5
18c91665349cf71648d4af5d21843ea9

SHA1
6be582f8587a42e96d73bf174cb6d6345761c192

SHA256
979d6a944f61f2cde2dea724ce5e0297005602c15fbbbcb917540ec1b1f3f937

SHA512
544d110b9bde470b9411a91f9195bf5e6914c1e5c59ec4485be08acaecd0e519d1c932181cf5a76d5241dedc362beb56f2fb407d808d554e43d408b34a621d48

Download Submit
C:\Users\Admin\AppData\Local\Temp\9EA1.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
936KB

MD5
28fcaf4cf15d5e0a390053c616507e93

SHA1
333af2b6789e200f228b2cc30c2c3ff574d73ba7

SHA256
2636c755be8f8b76f27cccebe63e511b65e8115c850663cfadfcf142c75c60a5

SHA512
a0bffb1e9a612d2010afd6514907dbc3462731978e1a86f958a645edb3acabb072b7d8a96910bd57d9379acfc1e20ef07ba77ceb2b96841c884add6b605ce5d0

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

Filesize
1.5MB

MD5
4c34295812720534fe756fdaa461974a

SHA1
8193ebd5d1564f2eaaa3d44dcf2322d7f6934510

SHA256
ee402c453009493391fe1b52d24ab316dbe61e5b5736143da720e225a681639a

SHA512
5a46a43ca8eb26bcc2aefaaad481cde516272b5b8c2e9ea39b1514cc4801a71818d5e20ea63bb0104c572b02b8eed1afedb0860440c13c76afbaee14a50eba16

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
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
688KB

MD5
ecc66ad1e4654ca82bac2e31a98e8fac

SHA1
d3f59841c3a85f1757330d4d747fed829565a183

SHA256
d0fe00282459a1156e1646e98ebe1382bfa6a7e88012b67dcde7e7f5b711f996

SHA512
cb9a503448c8b5a303ccaf749113d5ccce96de9aa38b889a8bec17454da1f57b1db879f50389d45a34968a13d8a8e1b62b670d4e9180c3475e5b80db24ad6bf2

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\libgcc_s_seh-1.dll

Filesize
1.1MB

MD5
effece008ceeadd157267e11450d5f53

SHA1
7895bdf38bc87fbe83023d07b37a261e9e55364b

SHA256
95ff7237fc2459a9e3b32b28bfcc59bfa92d479b754021369e65ba9d04bff075

SHA512
e4f00f9cc90ea1a8da89561cca7a609e1a42f18a2af73e39ae2e3df435fcb9481453c219b34af101b61b38ea311250092ffbfdddf8349851c30bb89df4120f35

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

Filesize
983KB

MD5
228ed65f10749a6edea77c2f33c65587

SHA1
dbd809328a75fda2089ff14f57751670491329a6

SHA256
8a2e614e6de406a5268d5fc8b471f5d4166a66352c7ffd905920adffdd226da5

SHA512
82ddc576101fc3f2ca7608057c43501b66321f42b8163cbc62c388771adca14813f3d626ea894a7a36e11e2a8304e20ad766a07d1b5bbad6877e21470eb09fb6

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

Filesize
1.0MB

MD5
54b24c3132cadabde406b209866e4652

SHA1
07f7065a2289b64d15629bc40a35ac08ecaba30e

SHA256
a6daa22f68d20ca7e294fd3b2782be9ba56205187e4614160641f3f47e30aa22

SHA512
c0b8e4bcd89f7048c8a9e64747125df1d3d06d0a0b58c1cc554545e2c496468ddba085e5b62729523263fe042939aadaff251ba39d5badb4f4db7351079610c7

Download Submit
memory/4328-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4996-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4996-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/5016-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/5016-43-0x00000000724C0000-0x0000000072558000-memory.dmp

Filesize
608KB

Download
memory/5016-44-0x00000000010E0000-0x0000000002995000-memory.dmp

Filesize
24.7MB

Download
memory/5016-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/5016-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/5016-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download