abc1fb687fc4e65f2b791923cb76dab88067c0e1e115cdf97b41a97ee3e5a8b0

Analysis

max time kernel
197s
max time network
210s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 00:20

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General

Target

0857f2c8541dba287d648eec17163d3f.exe
Size

289KB
MD5

0857f2c8541dba287d648eec17163d3f
SHA1

8ed85dfd683be2919a1b612d1d924720d962d0a0
SHA256

abc1fb687fc4e65f2b791923cb76dab88067c0e1e115cdf97b41a97ee3e5a8b0
SHA512

f83957775fd9a2f840d0e50d8ca36c92209a6cf989adfca866b043281f05825de5bb0079c535d346e6aa2e629772bdd45148ef02b81026bac97e6248271888f1
SSDEEP

6144:5NENowLmN7JVb3hwwDX+l5F7l1k5u8vk3U4pT+PhrWHoS:5RvNdV7rDX+zF7lquQaYh6HoS

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1648	RemoteAbc.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2008-0-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2008-2-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2008-4-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/files/0x000600000002321b-6.dat	upx
behavioral2/memory/1648-7-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2008-9-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/2008-13-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/1648-15-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/1648-16-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/1648-20-0x0000000000400000-0x0000000000493000-memory.dmp	upx
behavioral2/memory/1648-24-0x0000000000400000-0x0000000000493000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\system32R_Server\RemoteAbc.exe	0857f2c8541dba287d648eec17163d3f.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1648	RemoteAbc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 3004	2008	0857f2c8541dba287d648eec17163d3f.exe	91
PID 2008 wrote to memory of 3004	2008	0857f2c8541dba287d648eec17163d3f.exe	91
PID 2008 wrote to memory of 3004	2008	0857f2c8541dba287d648eec17163d3f.exe	91
PID 1648 wrote to memory of 2572	1648	RemoteAbc.exe	92
PID 1648 wrote to memory of 2572	1648	RemoteAbc.exe	92
PID 1648 wrote to memory of 2572	1648	RemoteAbc.exe	92

C:\Users\Admin\AppData\Local\Temp\0857f2c8541dba287d648eec17163d3f.exe
"C:\Users\Admin\AppData\Local\Temp\0857f2c8541dba287d648eec17163d3f.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\2690.bat
  2⤵
  PID:3004

C:\Program Files (x86)\system32R_Server\RemoteAbc.exe
"C:\Program Files (x86)\system32R_Server\RemoteAbc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" 73471
  2⤵
  PID:2572

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:\Program Files (x86)\system32R_Server\RemoteAbc.exe

Filesize
289KB

MD5
0857f2c8541dba287d648eec17163d3f

SHA1
8ed85dfd683be2919a1b612d1d924720d962d0a0

SHA256
abc1fb687fc4e65f2b791923cb76dab88067c0e1e115cdf97b41a97ee3e5a8b0

SHA512
f83957775fd9a2f840d0e50d8ca36c92209a6cf989adfca866b043281f05825de5bb0079c535d346e6aa2e629772bdd45148ef02b81026bac97e6248271888f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\2690.bat

Filesize
190B

MD5
de1dd20d65a9e191d091186ea14610e0

SHA1
a25e86664e228a1ed7ae0407251657c0ff47c470

SHA256
1bb0aa6203e5313a68afb17dce845e7ed4e7ff1d49c6dce54f78cdfad69baf2e

SHA512
b5be57b89ffe23bde89f087eac738ad3e017df73a0d470238ee23f635efd13eea42302bb74387d58484ad6fe45aef6bf1433d41c40dc565972a10013aac5ffb0

Download Submit
memory/1648-24-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/1648-20-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/1648-17-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/1648-7-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/1648-16-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/1648-10-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/1648-15-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2008-4-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2008-13-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2008-9-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2008-0-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2008-2-0x0000000000400000-0x0000000000493000-memory.dmp

Filesize
588KB

Download
memory/2008-1-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download