8e93b2ed14737f958032c7e42ac08b53c999ef9943a96cd5461eb146927792bd

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 13:52

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General

Target

ccaa91eaa5e531b11ac0d5c0346930e0N.exe
Size

1.0MB
MD5

ccaa91eaa5e531b11ac0d5c0346930e0
SHA1

153fcdf462201b373cce67f35e186da54f78d79f
SHA256

8e93b2ed14737f958032c7e42ac08b53c999ef9943a96cd5461eb146927792bd
SHA512

7c29a7d4ed913e3c6857ebdf0cc6eed4bc5fe870bf8a0cbae8dedfd67d813a224f963a76c0a225453064387a438c1d3c1c7277961ba1fff0c593634016c9a843
SSDEEP

24576:mmUNJyJqb1FcMap2ATT5emUNJyJqb1FcMap2ATT5emUNJyJqb1FcMap2ATT58:mmV2ApemV2ApemV2Ap8

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe,"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1708	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe
1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\e45472c8 = "H\u009dñÚ\|õ—°ìþG\\¥\x0f\u00adÌ£¨\x1d\x0fp\x01\x0e³´Æ330\x05¸ƒ\x03¿co\u00ad\x17Ë—³³óí¯e\u00ad“{Û¥\u009dmíÝUÝ§Gm]…»M#û\u00ad£Km‹WKÏ\u008dïõ—%£Ãe\r½\x05?¥\x1bm\x1f/'«O#u7UÍ…;û\u008d5;]Í\u008dõ3Ýåã\x15¥¯\r##Õûe…\u009d÷ëÍÅ·å/í\x15÷\x15Å\u008fMÅ?oíÃ5ƒ_¥Eï§\v%\x1fmÍ½SÓMÓÕ;-·S\x03\x05\x17_WMµU‹•\x15G¯‹Å\x15\x05\u00ad]3\x15Ý]E{¯\x03wM}ímÕm[oCo\x1duÍÝï/×ÇÅ\x15\u008d-ÿÝƒÝu3ÏÃ\u00ad½Çå¥%¥\x15Ï“_MGUwMµ#»\x1b…¥\aÕï_Ë“\rCESGS}Çý"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\e45472c8 = "H\u009dñÚ\|õ—°ìþG\\¥\x0f\u00adÌ£¨\x1d\x0fp\x01\x0e³´Æ330\x05¸ƒ\x03¿co\u00ad\x17Ë—³³óí¯e\u00ad“{Û¥\u009dmíÝUÝ§Gm]…»M#û\u00ad£Km‹WKÏ\u008dïõ—%£Ãe\r½\x05?¥\x1bm\x1f/'«O#u7UÍ…;û\u008d5;]Í\u008dõ3Ýåã\x15¥¯\r##Õûe…\u009d÷ëÍÅ·å/í\x15÷\x15Å\u008fMÅ?oíÃ5ƒ_¥Eï§\v%\x1fmÍ½SÓMÓÕ;-·S\x03\x05\x17_WMµU‹•\x15G¯‹Å\x15\x05\u00ad]3\x15Ý]E{¯\x03wM}ímÕm[oCo\x1duÍÝï/×ÇÅ\x15\u008d-ÿÝƒÝu3ÏÃ\u00ad½Çå¥%¥\x15Ï“_MGUwMµ#»\x1b…¥\aÕï_Ë“\rCESGS}Çý"	ccaa91eaa5e531b11ac0d5c0346930e0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\apppatch\svchost.exe	ccaa91eaa5e531b11ac0d5c0346930e0N.exe
File created	C:\Windows\apppatch\svchost.exe	ccaa91eaa5e531b11ac0d5c0346930e0N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ccaa91eaa5e531b11ac0d5c0346930e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe
1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe
1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe
1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe
1708	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1708	1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe	30
PID 1700 wrote to memory of 1708	1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe	30
PID 1700 wrote to memory of 1708	1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe	30
PID 1700 wrote to memory of 1708	1700	ccaa91eaa5e531b11ac0d5c0346930e0N.exe	30

C:\Users\Admin\AppData\Local\Temp\ccaa91eaa5e531b11ac0d5c0346930e0N.exe
"C:\Users\Admin\AppData\Local\Temp\ccaa91eaa5e531b11ac0d5c0346930e0N.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\3F8A.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

Download Submit
\Windows\AppPatch\svchost.exe

Filesize
1.0MB

MD5
beb6a93bc2d747f5a3ae858f07247ee5

SHA1
579370c42ddd67b3c0aaa533023e04f74f622f14

SHA256
18d50cfa5e65c7d240ddbf269ba93ef7823ee2c4ed955587d95b87d9622446bf

SHA512
361a54a67bb0b61021dedd0772a502134a50a1b8248c5760aba96cf9df4a934ab9a4c069790d516978e1aa5220bba833a730d0531ce3e90a16c77683f37e5abd

Download Submit
memory/1700-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1708-14-0x00000000022A0000-0x0000000002348000-memory.dmp

Filesize
672KB

Download
memory/1708-16-0x00000000022A0000-0x0000000002348000-memory.dmp

Filesize
672KB

Download
memory/1708-24-0x00000000022A0000-0x0000000002348000-memory.dmp

Filesize
672KB

Download
memory/1708-22-0x00000000022A0000-0x0000000002348000-memory.dmp

Filesize
672KB

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memory/1708-20-0x00000000022A0000-0x0000000002348000-memory.dmp

Filesize
672KB

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memory/1708-18-0x00000000022A0000-0x0000000002348000-memory.dmp

Filesize
672KB

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memory/1708-27-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-30-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-28-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-34-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-41-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-53-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-78-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-77-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-75-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-74-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-72-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-71-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-69-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-68-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-67-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-66-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-64-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-63-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-61-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-60-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-59-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-57-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-56-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-55-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-54-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-76-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-52-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-51-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-73-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-70-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-50-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-49-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-65-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-62-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-58-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-47-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-46-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-45-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-44-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-43-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-48-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-42-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

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memory/1708-40-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-39-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-38-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-37-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-32-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-36-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-35-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-33-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download
memory/1708-202-0x0000000002450000-0x0000000002506000-memory.dmp

Filesize
728KB

Download