68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd

General

Target

68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe
Size

59KB
MD5

260e016e3047c3206db612987cbfcbbf
SHA1

942505de7aa7ac70e1627b9848e0d7d6e9e73621
SHA256

68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd
SHA512

8ee58de727ff11f4ebe92ec8091f8a877b789438a08774206f3dd640270e31a5e9d4e4d019bc64e942f3353caa7c08017535b295cc4d17703067c406e2cbb5e4
SSDEEP

1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQx:OeodiUO4p13b9HiIeoutuh1aQx

Score

7^/10

defense_evasion discovery persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe

Executes dropped EXE 1 IoCs

pid	Process
376	AhnSvc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AhnUpadate = "\"C:\\ProgramData\\AhnLab\\AhnSvc.exe\" /run"	68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/968-0-0x0000000000180000-0x00000000001A7000-memory.dmp	upx
behavioral2/files/0x0007000000023cbd-3.dat	upx
behavioral2/memory/376-4-0x00000000006C0000-0x00000000006E7000-memory.dmp	upx
behavioral2/memory/968-8-0x0000000000180000-0x00000000001A7000-memory.dmp	upx
behavioral2/memory/376-9-0x00000000006C0000-0x00000000006E7000-memory.dmp	upx
behavioral2/memory/376-10-0x00000000006C0000-0x00000000006E7000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AhnSvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	968	68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe
Token: SeDebugPrivilege	376	AhnSvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 376	968	68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe	83
PID 968 wrote to memory of 376	968	68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe	83
PID 968 wrote to memory of 376	968	68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe	83
PID 968 wrote to memory of 2664	968	68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe	84
PID 968 wrote to memory of 2664	968	68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe	84
PID 968 wrote to memory of 2664	968	68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe	84

C:\Users\Admin\AppData\Local\Temp\68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe
"C:\Users\Admin\AppData\Local\Temp\68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:968
- C:\ProgramData\AhnLab\AhnSvc.exe
  "C:\ProgramData\AhnLab\AhnSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:376
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\68449866e9c6cec2bb5473dbc02053ecf6222b1c9e631c77daae1e9e72c80efd.exe" >> NUL
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\AhnLab\AhnSvc.exe

Filesize
59KB

MD5
57be333f312a0cf733fdbaadb53c195d

SHA1
c8cb6796da3e8496ae031497ea337475cdb2b35d

SHA256
e03b5fbb0befd522ea7791ec8866fff53d49810366bdd4139df4b3a75816de1b

SHA512
88a2d54ebd680640250f04648f2334573e3162057d92c835965ca21206b345489ddc217151ebd058cbb0ed042d8e00c7a18acaa624afd1cfd54790723adbcbec

Download Submit
memory/376-4-0x00000000006C0000-0x00000000006E7000-memory.dmp

Filesize
156KB

Download
memory/376-9-0x00000000006C0000-0x00000000006E7000-memory.dmp

Filesize
156KB

Download
memory/376-10-0x00000000006C0000-0x00000000006E7000-memory.dmp

Filesize
156KB

Download
memory/968-0-0x0000000000180000-0x00000000001A7000-memory.dmp

Filesize
156KB

Download
memory/968-8-0x0000000000180000-0x00000000001A7000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads