79fa11cd987a5dcb93bd825c36f6d02aa8cf4d70d833c202582abcbad217313b

General

Target

2a00b62238dc7cb012bdf7b9a54ede28.exe
Size

5KB
MD5

2a00b62238dc7cb012bdf7b9a54ede28
SHA1

76d4d8786d6be30947088fffa0e6f49975619af3
SHA256

79fa11cd987a5dcb93bd825c36f6d02aa8cf4d70d833c202582abcbad217313b
SHA512

2df9906524b1e10111e7ed59a00fb68f5cbbe5424355f3536f21c3346d010c83e05553ef6d6133d358034a4a8fb36a64cd055a711cb270046fd3757ec89cf31f
SSDEEP

96:CNt+pzoLhm68cZKbukdqI1IdVZG4nFwNVGL2ErTvXZz:CNt+p8Lhm68QONcZG4neN3gZz

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2976	winsys.exe
2676	systemexe.exe
2168	windaemon.exe
2864	winxpud.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3036-0-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/files/0x000a000000012233-5.dat	upx
behavioral1/memory/2976-18-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2976-29-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2676-34-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2676-33-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2168-44-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2168-47-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/3036-56-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/3036-57-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2864-62-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2864-61-0x0000000000400000-0x0000000000409000-memory.dmp	upx

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\systemexe.exe	2a00b62238dc7cb012bdf7b9a54ede28.exe
File created	C:\Windows\windaemon.exe	2a00b62238dc7cb012bdf7b9a54ede28.exe
File created	C:\Windows\winxpud.exe	2a00b62238dc7cb012bdf7b9a54ede28.exe
File created	C:\Windows\winsys.exe	2a00b62238dc7cb012bdf7b9a54ede28.exe
File opened for modification	C:\Windows\winsys.exe	2a00b62238dc7cb012bdf7b9a54ede28.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2976	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	28
PID 3036 wrote to memory of 2976	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	28
PID 3036 wrote to memory of 2976	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	28
PID 3036 wrote to memory of 2976	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	28
PID 3036 wrote to memory of 2676	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	29
PID 3036 wrote to memory of 2676	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	29
PID 3036 wrote to memory of 2676	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	29
PID 3036 wrote to memory of 2676	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	29
PID 3036 wrote to memory of 2168	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	30
PID 3036 wrote to memory of 2168	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	30
PID 3036 wrote to memory of 2168	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	30
PID 3036 wrote to memory of 2168	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	30
PID 3036 wrote to memory of 2864	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	31
PID 3036 wrote to memory of 2864	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	31
PID 3036 wrote to memory of 2864	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	31
PID 3036 wrote to memory of 2864	3036	2a00b62238dc7cb012bdf7b9a54ede28.exe	31

C:\Users\Admin\AppData\Local\Temp\2a00b62238dc7cb012bdf7b9a54ede28.exe
"C:\Users\Admin\AppData\Local\Temp\2a00b62238dc7cb012bdf7b9a54ede28.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\winsys.exe
  "C:\Windows\winsys.exe"
  2⤵
  - Executes dropped EXE
  PID:2976
- C:\Windows\systemexe.exe
  "C:\Windows\systemexe.exe"
  2⤵
  - Executes dropped EXE
  PID:2676
- C:\Windows\windaemon.exe
  "C:\Windows\windaemon.exe"
  2⤵
  - Executes dropped EXE
  PID:2168
- C:\Windows\winxpud.exe
  "C:\Windows\winxpud.exe"
  2⤵
  - Executes dropped EXE
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\winsys.exe

Filesize
5KB

MD5
2a00b62238dc7cb012bdf7b9a54ede28

SHA1
76d4d8786d6be30947088fffa0e6f49975619af3

SHA256
79fa11cd987a5dcb93bd825c36f6d02aa8cf4d70d833c202582abcbad217313b

SHA512
2df9906524b1e10111e7ed59a00fb68f5cbbe5424355f3536f21c3346d010c83e05553ef6d6133d358034a4a8fb36a64cd055a711cb270046fd3757ec89cf31f

Download Submit
memory/2168-47-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2168-44-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2676-34-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2676-33-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2864-61-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2864-62-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2976-18-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2976-29-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3036-30-0x0000000002890000-0x0000000002899000-memory.dmp

Filesize
36KB

Download
memory/3036-28-0x0000000002880000-0x0000000002889000-memory.dmp

Filesize
36KB

Download
memory/3036-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3036-16-0x0000000002880000-0x0000000002889000-memory.dmp

Filesize
36KB

Download
memory/3036-55-0x0000000001CC0000-0x0000000001CC9000-memory.dmp

Filesize
36KB

Download
memory/3036-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3036-60-0x0000000002870000-0x0000000002879000-memory.dmp

Filesize
36KB

Download
memory/3036-59-0x0000000002870000-0x0000000002872000-memory.dmp

Filesize
8KB

Download
memory/3036-57-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3036-11-0x0000000002870000-0x0000000002879000-memory.dmp

Filesize
36KB

Download
memory/3036-6-0x0000000002870000-0x0000000002872000-memory.dmp

Filesize
8KB

Download

Analysis

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