49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6

General

Target

49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
Size

4.9MB
MD5

994ddda5b8e9e29f5ba1b284b9424cb0
SHA1

fad2f2333f70fd239c2dad0026ff8ca0760c1d36
SHA256

49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6
SHA512

90f8c7b089930bdbb27b1ce79e87ccbb5f54f8979ab11fb7e81d5d27eb817eaeed033efcf5dbcb1316371dbb98209faee380e12c5208dee7f82dc02c435b36ff
SSDEEP

98304:IhUCd5V5Z8mRT4DaEYvX1xkEqNKfo1AhHQCYWt00FRJhENVdf6wmrgS/ybfL3er7:IhUC3fTTEi1xkEqwfo1AZQCM0FRHYVdB

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2296	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6_app.exe

Loads dropped DLL 2 IoCs

pid	Process
1904	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe

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	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6_app.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2296	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6_app.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6_app.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1904	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 1836	1904	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe	85
PID 1904 wrote to memory of 1836	1904	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe	85
PID 1904 wrote to memory of 1836	1904	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe	85
PID 1836 wrote to memory of 2296	1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe	87
PID 1836 wrote to memory of 2296	1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe	87
PID 1836 wrote to memory of 2296	1836	49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe	87

C:\Users\Admin\AppData\Local\Temp\49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
"C:\Users\Admin\AppData\Local\Temp\49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Users\Admin\AppData\Local\Temp\49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe
  C:\Users\Admin\AppData\Local\Temp\49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6.exe -a -d
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Users\Admin\AppData\Local\Temp\49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6_app.exe
    "C:\Users\Admin\AppData\Local\Temp\49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6_app.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2296

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
1⤵
PID:4712

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\49c41b297bd0c4708c9b04495545aa4561d0d1f1554fc5f591fafd06544b0df6_app.exe

Filesize
1.5MB

MD5
88068025196630ad42c7000e60842126

SHA1
6403a9c4d58ad988e577b8e874f59d1301aab5d9

SHA256
ff226d1ea70a76244949d2d6d677b2962d2c9467fd41ebc59175b004cea5f60b

SHA512
094715305e7460bec35af20942741fb54fd0365d0b2ff8da71d9fbd469dec6098887bcf81a8aa3037d756941499ca5d4819ba4b06d2757fea04f067edf98544b

Download Submit
C:\Users\Admin\AppData\Local\Temp\cyyundun.dll

Filesize
332KB

MD5
8722259b998800a37c3991c58ce64f96

SHA1
d370272422272eaf9aca8bc17ba9bcba1b83df70

SHA256
b115d63bee020042256019ee14fa0570483180e29c4deb7ed5b8fab522b05244

SHA512
867872e22769ecdba19daca70d6ef2bbb9e310abd90ddd1c3ff5b9a3375ef11488f1f7ac021c579ab58b7e8125c8bada584a1e96bb15fcee5837307cb64a6857

Download Submit
memory/1836-25-0x0000000074630000-0x0000000074697000-memory.dmp

Filesize
412KB

Download
memory/1836-13-0x0000000074630000-0x0000000074697000-memory.dmp

Filesize
412KB

Download
memory/1904-6-0x0000000074C00000-0x0000000074C67000-memory.dmp

Filesize
412KB

Download
memory/1904-5-0x0000000074C00000-0x0000000074C67000-memory.dmp

Filesize
412KB

Download
memory/2296-19-0x0000000073B30000-0x00000000740E1000-memory.dmp

Filesize
5.7MB

Download
memory/2296-20-0x0000000073B30000-0x00000000740E1000-memory.dmp

Filesize
5.7MB

Download
memory/2296-18-0x0000000073B32000-0x0000000073B33000-memory.dmp

Filesize
4KB

Download
memory/2296-26-0x0000000073B32000-0x0000000073B33000-memory.dmp

Filesize
4KB

Download
memory/2296-27-0x0000000073B30000-0x00000000740E1000-memory.dmp

Filesize
5.7MB

Download
memory/4712-21-0x0000000001390000-0x00000000013A0000-memory.dmp

Filesize
64KB

Download
memory/4712-22-0x0000000001310000-0x0000000001330000-memory.dmp

Filesize
128KB

Download
memory/4712-23-0x000000001AA30000-0x000000001AE04000-memory.dmp

Filesize
3.8MB

Download
memory/4712-24-0x000000001B0F0000-0x000000001B226000-memory.dmp

Filesize
1.2MB

Download
memory/4712-28-0x0000000001390000-0x00000000013A0000-memory.dmp

Filesize
64KB

Download

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