73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
295s
max time network
300s
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, 16:14

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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
1412	b2e.exe
2468	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
2468	cpuminer-sse2.exe
2468	cpuminer-sse2.exe
2468	cpuminer-sse2.exe
2468	cpuminer-sse2.exe
2468	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4812-6-0x0000000000400000-0x000000000393A000-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 4812 wrote to memory of 1412	4812	batexe.exe	75
PID 4812 wrote to memory of 1412	4812	batexe.exe	75
PID 4812 wrote to memory of 1412	4812	batexe.exe	75
PID 1412 wrote to memory of 4504	1412	b2e.exe	76
PID 1412 wrote to memory of 4504	1412	b2e.exe	76
PID 1412 wrote to memory of 4504	1412	b2e.exe	76
PID 4504 wrote to memory of 2468	4504	cmd.exe	79
PID 4504 wrote to memory of 2468	4504	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\batexe.exe
"C:\Users\Admin\AppData\Local\Temp\batexe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Users\Admin\AppData\Local\Temp\700.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\700.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\700.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:1412
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\E34.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4504
  - - 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:2468

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\700.tmp\b2e.exe

Filesize
2.9MB

MD5
9317cafb85becd9011ca213e7be3a2bc

SHA1
1c84c389734da0532809700191b96dc61527e382

SHA256
644eb7fd5f540a11f942d00b2233e715a40b8548294924fc054db1e08b293090

SHA512
65120a9f1410f4b9350788c5898557be3d3b195f03b3425895748764fc052048f38998bb455cef4f25f748c696821a9a4622c8f09f6ae4603dcd6882be451684

Download Submit
C:\Users\Admin\AppData\Local\Temp\700.tmp\b2e.exe

Filesize
1.7MB

MD5
2e783098f55dece12f8dc2fa96a5760a

SHA1
7b0786bb33c5e67858e599f929ccd89888d9f34e

SHA256
cfdb3c7af24a0e6198add235131e2913f404a6a2e60c9f8a9253b29e61500850

SHA512
e20e12b96ecfc727f7c3c3a8afb4f1af0693713d66d927995a79ba7649b401d8b11c713c5e5f3ee0ccad56e9fc84482e585e014e37863dd145e77f71b54c2da0

Download Submit
C:\Users\Admin\AppData\Local\Temp\E34.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
311KB

MD5
727f96544b80b2a7bbd927b5625b4130

SHA1
558a24e246764fe2934a9a16d00aea8fa591e068

SHA256
bdb65a92c8f7d4747ef47f0c09bfc531b170a6d3ebfc3564401d51fed22efb78

SHA512
44b1399feef4d24465f3be50aaa284c1908619e399e62d4a4a05e2ee7d7d6fe50495aee6f0cc2a38efc7a588e10272926bb1d00898f8be15c5f636fc1237d040

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

Filesize
289KB

MD5
21426fec21bd7b2508fe444a44658d05

SHA1
ec5ed71580811c339b1aa05af6efd04651a6c117

SHA256
6d0324b33270f8007efd868c52953d29142018f44dddc687482958472721e9ce

SHA512
a8810405bfef79bbaeb1ca47f5bbb8009d19cd346514354b1ab98e42daaa5200baf990165cdfae96837c3c3e60e9e1a8313462e374af39259d014712970485ca

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

Filesize
316KB

MD5
e5a69b5f1c2a31f887965a671885d6a7

SHA1
8e1441adecc0500dee5a53d134adbcd6813d5beb

SHA256
c5f9aea35433bca26bc3c027c246281e6de47134621fd3e0ada2e5bd85ce1af1

SHA512
98bb47c475ba663e8d10dd27e6a74bc9dca87fc38f38a32ac9e183c4a0a1afedfd83f65ed944499d2f7914078c6fa00e2149ab10ef6ffd458621595b1e090a73

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

Filesize
298KB

MD5
0df4854048884c2f73dd6b954d6ffdc5

SHA1
84dacc97febaf97210f238dd087bfd4c7615bf3f

SHA256
7a61280e7e7d9f4f937cfcbc0819fca224c420a06ad903b53f85e1e0d456388f

SHA512
c98a0e53c174f0b0dd040582e6eb07d1f88656276d7c58b0839fa62728f47589475c3f03208a57d3cdefe2ec1cfa0e8d689cd160e7ebc969f2c33b22f2dbe5f9

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

Filesize
296KB

MD5
23d374ca518791cdd8047cca7f767019

SHA1
fd9da3912e2e4727bbaa7daf09fbfa497eff20d3

SHA256
92d4013a90320a7e29dec96c4047fe3940667bda0243a7164664ba409243d889

SHA512
995c3af27d27474c94d9e84e908f88e346fc2c2adb93139ca7603d16f2653a6570f31be06502631e5be2e205d0b5753a0913cd0f37dd4bcd7784b27d84193287

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

Filesize
334KB

MD5
9a59db518cba5254da69e9e21bfe88cb

SHA1
a9d47d9943bf13f89f8aa4cb3f2adb5163b2424a

SHA256
1d1adbfe8215292c2aad29f543d3271e6fa773b4da0ab0e3bf1d48b1ce9d007e

SHA512
a9d63ab03258cbe0850b22a27f0cf3937db436cd4e6e02a4b6338cf077b355f1e1e737d8358eed13d25184e80ff81e5aee1c29f99d061565da251c05187e25c4

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

Filesize
176KB

MD5
d8c1068d7e58c61f0d80539aca4744bc

SHA1
29f77b1defc87ecd367522484e7d5b50fdfb5033

SHA256
7d64e77d9b914c32237ab3b7df11e02db6213b5cd57a2bfcf08014ed16e2ca37

SHA512
b441821aa3603b2e30fb18b6c290c9919b3cc0b1c618a06506f7ba4cfad0852cbd0a2b5beebcadb733df93c76aa8569e0d16cceed1b208bfb1009982958beacb

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

Filesize
333KB

MD5
760f18175f7ab1951bb607b865ec90f4

SHA1
48a609386f77543088076dc48767c0908374e074

SHA256
a8976867def282d637377510647b57a254cecff1d84dbcd5664d314ab61ddb2d

SHA512
27309ea536b034e841320be10d6291b8cd740705e25914e40e6a5b16657d9dee6b538f9e5650416871497e683a93fd8763277be7ab0c45f5a5eca777206cde7e

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

Filesize
244KB

MD5
ea08a3b877fea03558c5aad568d11dac

SHA1
c8ea084f6f65ce2df04e689f2fbd932b9a038085

SHA256
c40049297464e56e002a0f75b05772afb07e5dcab5b359e6e41ee3d03fedacad

SHA512
8fdaa91a7cac1ce6ea29965e9e3ab63ad4a2c222ae8317ab4d100b958c03fc51817b16dd2dfb39a0d2b82bc799852004f5b81368bbfe15be64bfd1208bd4f799

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

Filesize
315KB

MD5
6830dc0fbcb5ac28dfc645c93de8600a

SHA1
0063a1859bd044084757a455ccb27815972a6a49

SHA256
3aa29383e0a5147780e85b5b88b261b565235b6968d4d540a022985e82ab430b

SHA512
49f41645c557c2c115c7d5bb1438eca8491a0db22e4a81207209c3d98a1763c16634d351241dab0e408e8d41e18751972dc6a943a309f8f8a07c2576d13a500a

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

Filesize
287KB

MD5
4f3c35bb3a924f0c0d7ea5839152e0c4

SHA1
feda00db987440f8fa3ec5f274cf10e4160db9ca

SHA256
f7dc63bc79121339eac8c5288689e9c1f4e704494192481f9705d7eb35543218

SHA512
d42e56e8e89be0f65da37d6bb0aa714fafbe513f9e5c05fa7188b07de998b5f67edecce68b1d13a390aa5f94f64fa32ae525e0805b43f8c316cc3dd248633808

Download Submit
memory/1412-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1412-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2468-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2468-66-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2468-42-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/2468-41-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/2468-44-0x0000000001050000-0x0000000002905000-memory.dmp

Filesize
24.7MB

Download
memory/2468-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2468-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2468-43-0x0000000052D70000-0x0000000052E08000-memory.dmp

Filesize
608KB

Download
memory/2468-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2468-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2468-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2468-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/2468-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4812-6-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download