73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
304s
platform
windows10-1703_x64
resource
win10-20240214-ja
resource tags

arch:x64arch:x86image:win10-20240214-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
17/02/2024, 17:29

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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
4356	b2e.exe
208	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
208	cpuminer-sse2.exe
208	cpuminer-sse2.exe
208	cpuminer-sse2.exe
208	cpuminer-sse2.exe
208	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1780-4-0x0000000000400000-0x000000000393A000-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 1780 wrote to memory of 4356	1780	batexe.exe	73
PID 1780 wrote to memory of 4356	1780	batexe.exe	73
PID 1780 wrote to memory of 4356	1780	batexe.exe	73
PID 4356 wrote to memory of 2796	4356	b2e.exe	74
PID 4356 wrote to memory of 2796	4356	b2e.exe	74
PID 4356 wrote to memory of 2796	4356	b2e.exe	74
PID 2796 wrote to memory of 208	2796	cmd.exe	77
PID 2796 wrote to memory of 208	2796	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:1780
- C:\Users\Admin\AppData\Local\Temp\CB9D.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\CB9D.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\CB9D.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:4356
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D13A.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2796
  - - 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:208

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\CB9D.tmp\b2e.exe

Filesize
1.3MB

MD5
cd2e147246a8f0dc58bad676a15048ca

SHA1
0382157b28b479809d4848771f63f209292dea25

SHA256
eee07142595f07a70af1c63f13f60f8d09efd8a1f565490bf5cf7cbee1bffc1c

SHA512
196cff5a99ab1de4fd542abf69f2416c59127edefad5b875b229f1744fa9591f1ee7b3730cf7822919194ea893624c97236dbbbc5b05c3f270cc8f66c59acaaf

Download Submit
C:\Users\Admin\AppData\Local\Temp\D13A.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\libstdc++-6.dll

Filesize
11.3MB

MD5
8ff8c8d45ad29723968a0e64452eda81

SHA1
145d53d9308b451aa49c2045e95d33d136948d8b

SHA256
9c22fae33fea6f1982a338e05972cc9c0ced5cb2d73762efc0db8cd2136a8104

SHA512
d563aaef96ab18d406920d5f3b153e6152573b35729af5ad322f8319126af8161d48fc0ef8d2758beefd45ab54e3b14e270026880ddf9e88c547222d68eb8f68

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
1.2MB

MD5
7cf672bee2afba2dcd0c031ff985958e

SHA1
6b82a205db080ffdcb4a4470fce85a14413f3217

SHA256
c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

SHA512
3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

Filesize
10.0MB

MD5
c78051e9ade0bd2ef2f19e2625f74557

SHA1
d304611a32ee5cd419a9b482dee03f376d4a1aef

SHA256
97a70f8ac0e03cb40954bc4c87f7ca7f22c9dcc78ea2c3ab97b4420cbfd27d54

SHA512
af0b1e7e3c7f49d9d51c8c0046b16ef27d10afec1f44cd5a3339ad2ffd2af16dbb58fba800d3e74a173ed5547716738ffbe11d4196b84191ec688d6943b68682

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

Filesize
8.5MB

MD5
901c97f3bb1786c867a104f2dc4fc4fa

SHA1
bb5526b9e8f8fb6eb55b69dd5455bc2d78309210

SHA256
5f478c6ebaccc2aa8bd8a23aaa1f1064a62ad5b77744bc940e763737c698b79e

SHA512
b44181e7d35a56b0d3ed976c8f3404b49910d5e39f7f2bdc75fb9cd8b58a4e52b6b9e5b648dd440077bc0ae84a0dc7aecddc2ac2282c86a07223451c2934fcd0

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/208-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/208-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/208-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-43-0x0000000068FA0000-0x0000000069038000-memory.dmp

Filesize
608KB

Download
memory/208-44-0x0000000000F40000-0x00000000027F5000-memory.dmp

Filesize
24.7MB

Download
memory/208-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/208-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/1780-4-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4356-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4356-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download