73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
300s
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 16:08

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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
312	b2e.exe
4520	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4520	cpuminer-sse2.exe
4520	cpuminer-sse2.exe
4520	cpuminer-sse2.exe
4520	cpuminer-sse2.exe
4520	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4608-5-0x0000000000400000-0x000000000393A000-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 4608 wrote to memory of 312	4608	batexe.exe	74
PID 4608 wrote to memory of 312	4608	batexe.exe	74
PID 4608 wrote to memory of 312	4608	batexe.exe	74
PID 312 wrote to memory of 2120	312	b2e.exe	75
PID 312 wrote to memory of 2120	312	b2e.exe	75
PID 312 wrote to memory of 2120	312	b2e.exe	75
PID 2120 wrote to memory of 4520	2120	cmd.exe	78
PID 2120 wrote to memory of 4520	2120	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:4608
- C:\Users\Admin\AppData\Local\Temp\8D4C.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8D4C.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8D4C.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:312
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8F4F.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2120
  - - 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:4520

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\8D4C.tmp\b2e.exe

Filesize
832KB

MD5
e1bd95ac3f9c6ce43914de2a53967fee

SHA1
3e03982c075df051d5a8dd837f42873f30483faf

SHA256
45c3475b58fbaa942be0297167c5c3fbbfe7295aa3fcbb4fb61df1348f55c550

SHA512
2166424e86301bbe04fbcce5d0b91562248845c5b1a7e889fee9a95d1c872dd6ea5cc85792b54e6d085095339be2f2b7f30cfd9b40a071b51c96a5009cc96f00

Download Submit
C:\Users\Admin\AppData\Local\Temp\8D4C.tmp\b2e.exe

Filesize
640KB

MD5
ec807089447cc8ffed3ed14af8e0dd7f

SHA1
0d5600b96cd4d605dd40d169bade90cc2e41d4e0

SHA256
97789e181648b41de38dee9a0b40452bac36d463329a87bd2ad517a2968c51f1

SHA512
a2f87f33cd02f225b4c43f4dbd93e18e15e49dc5cdc1ef05f99bb54cdf2b759932d84e29863c11eb1941fb82d559682ea1be25ab7c826670389fb659d6afdac9

Download Submit
C:\Users\Admin\AppData\Local\Temp\8F4F.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\libstdc++-6.dll

Filesize
10.5MB

MD5
441ae86c0429358e05407e3ce486a947

SHA1
2f463de960bfde291cea340387f1ee85fbf69366

SHA256
eeeb9301ee9cabfd51a4c555725e8f73ccac97d6c11a64bdbf04968a77fa0e0a

SHA512
4524b7e8b07434e9049936baa3951c8f9bd72724423a3cbc0a2eb51b3c77f0b400a0a259357892874e72ee6c3fa63ade1553446bfac98730d837e549b7fad383

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
8.1MB

MD5
14d0d290d7a0d7cb5ee9729c092d09a0

SHA1
90e1be0443c867e6a3c4fe67b45128948acd1b28

SHA256
d8f51efcc816a823af006f7611eed65ab4ef9ee6fedbbfb4a9e9e87fe910a1dd

SHA512
d5f561b0bb48daa3f826c77604679ace900cc8a87678d64d0dd1bc098f7815b513df3a5c3c26db25b4c630ab55bbe6584ab122bd6d4bda3599becfb0da958866

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

Filesize
7.6MB

MD5
523a1de88f372437822a1c87ef9c553b

SHA1
6814cdad60f1d013987214b122c0adc8a6a254e7

SHA256
bba255fd8d3b1d5f1b25dcb9a83de2bc60b6966621ccc17e4b7cb44398cb5684

SHA512
d33911acea2863dbca3a76ef8afbca858dc2a6875fa8d0a4bbea708dcb76672ec1422a96d59424d540bd41b13a4eb838ff523bf131a2d7a8491c46361c899292

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/312-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/312-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4520-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4520-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4520-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4520-43-0x00000000550B0000-0x0000000055148000-memory.dmp

Filesize
608KB

Download
memory/4520-44-0x0000000001100000-0x00000000029B5000-memory.dmp

Filesize
24.7MB

Download
memory/4520-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4520-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4520-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4520-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4520-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4520-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4520-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4520-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4520-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4608-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download