e0d7fd07b3d410d7fff1645261e9ffef1959b783db1f71b20e4b80d9b81b05a8

General

Target

f09d0363bac4fde14dfff1e4fbd85350N.exe
Size

59KB
MD5

f09d0363bac4fde14dfff1e4fbd85350
SHA1

dac38a393bedf05506c1895041c58a6ea2f4f425
SHA256

e0d7fd07b3d410d7fff1645261e9ffef1959b783db1f71b20e4b80d9b81b05a8
SHA512

295668d8270f09486aacf43e21cb430ced21ca01d9160bcf50580cef6f706e2b0210fa454dd05ca2a43321e8a1766fac8b8f96391239fc6feae0abe5c45d78aa
SSDEEP

1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQj:OeodiUO4p13b9HiIeoutuh1aQj

Score

7^/10

defense_evasion discovery persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2128	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2304	AhnSvc.exe

Loads dropped DLL 2 IoCs

pid	Process
2172	f09d0363bac4fde14dfff1e4fbd85350N.exe
2172	f09d0363bac4fde14dfff1e4fbd85350N.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2172-0-0x0000000000D70000-0x0000000000D97000-memory.dmp	upx
behavioral1/files/0x0008000000015ce7-4.dat	upx
behavioral1/memory/2304-11-0x00000000010E0000-0x0000000001107000-memory.dmp	upx
behavioral1/memory/2172-15-0x0000000000D70000-0x0000000000D97000-memory.dmp	upx
behavioral1/memory/2304-17-0x00000000010E0000-0x0000000001107000-memory.dmp	upx
behavioral1/memory/2304-19-0x00000000010E0000-0x0000000001107000-memory.dmp	upx
behavioral1/memory/2172-23-0x0000000000D70000-0x0000000000D97000-memory.dmp	upx

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"	f09d0363bac4fde14dfff1e4fbd85350N.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

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	f09d0363bac4fde14dfff1e4fbd85350N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	f09d0363bac4fde14dfff1e4fbd85350N.exe
Token: SeDebugPrivilege	2304	AhnSvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2304	2172	f09d0363bac4fde14dfff1e4fbd85350N.exe	30
PID 2172 wrote to memory of 2304	2172	f09d0363bac4fde14dfff1e4fbd85350N.exe	30
PID 2172 wrote to memory of 2304	2172	f09d0363bac4fde14dfff1e4fbd85350N.exe	30
PID 2172 wrote to memory of 2304	2172	f09d0363bac4fde14dfff1e4fbd85350N.exe	30
PID 2172 wrote to memory of 2128	2172	f09d0363bac4fde14dfff1e4fbd85350N.exe	32
PID 2172 wrote to memory of 2128	2172	f09d0363bac4fde14dfff1e4fbd85350N.exe	32
PID 2172 wrote to memory of 2128	2172	f09d0363bac4fde14dfff1e4fbd85350N.exe	32
PID 2172 wrote to memory of 2128	2172	f09d0363bac4fde14dfff1e4fbd85350N.exe	32

C:\Users\Admin\AppData\Local\Temp\f09d0363bac4fde14dfff1e4fbd85350N.exe
"C:\Users\Admin\AppData\Local\Temp\f09d0363bac4fde14dfff1e4fbd85350N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172
- C:\ProgramData\AhnLab\AhnSvc.exe
  "C:\ProgramData\AhnLab\AhnSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2304
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\f09d0363bac4fde14dfff1e4fbd85350N.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2128

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\AhnLab\AhnSvc.exe

Filesize
59KB

MD5
9d761ea7a94c4f856f8fc0677d9144fc

SHA1
50d0d10a5e200f702ac8ff4a029073d77b5f2fc7

SHA256
d94e3505709cee7e3c63871aa1670cc651cb20ad77ebad94ce7b525c59d3b14a

SHA512
071580c97e04bcd1d7ac9c58935e573c97a9d53812b10de36813da4c2d62e124d2ab1dff32cddfc06a578df47afbf141a4495290eb399412de94d9c43abd1e39

Download Submit
memory/2172-0-0x0000000000D70000-0x0000000000D97000-memory.dmp

Filesize
156KB

Download
memory/2172-8-0x00000000001D0000-0x00000000001F7000-memory.dmp

Filesize
156KB

Download
memory/2172-9-0x00000000001D0000-0x00000000001F7000-memory.dmp

Filesize
156KB

Download
memory/2172-15-0x0000000000D70000-0x0000000000D97000-memory.dmp

Filesize
156KB

Download
memory/2172-23-0x0000000000D70000-0x0000000000D97000-memory.dmp

Filesize
156KB

Download
memory/2304-11-0x00000000010E0000-0x0000000001107000-memory.dmp

Filesize
156KB

Download
memory/2304-17-0x00000000010E0000-0x0000000001107000-memory.dmp

Filesize
156KB

Download
memory/2304-19-0x00000000010E0000-0x0000000001107000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads