4d26f8ed78483b7a7519b53f81b421850c053f77a42a197dec0c8ccaf79536cf

General

Target

bc75822d2b5b3e836a007dee55157cf0N.exe
Size

41KB
MD5

bc75822d2b5b3e836a007dee55157cf0
SHA1

6a3dd178164f0ac039dea795efe99478c9e0fc02
SHA256

4d26f8ed78483b7a7519b53f81b421850c053f77a42a197dec0c8ccaf79536cf
SHA512

81a58edb0634a2968e1e688d6f8b639fcc16de2d64db3b9b3e0011d800f1248652e7ff59b4dc2c5271c65e5efc5d2311dcdbf13dbd829b059fe66eb802a71703
SSDEEP

768:AEwHupU99d2JE0jNJJ83+8zzqgTdVY9/:AEwVs+0jNDY1qi/q

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2196	services.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1604-0-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/files/0x0008000000015e4e-7.dat	upx
behavioral1/memory/1604-4-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2196-11-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1604-17-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2196-18-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2196-23-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2196-28-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2196-30-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2196-35-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2196-40-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2196-42-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2196-47-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2196-52-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/2196-54-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral1/memory/1604-58-0x0000000000500000-0x0000000000510200-memory.dmp	upx
behavioral1/memory/2196-59-0x0000000000400000-0x0000000000408000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\JavaVM = "C:\\Windows\\java.exe"	bc75822d2b5b3e836a007dee55157cf0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe"	services.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\services.exe	bc75822d2b5b3e836a007dee55157cf0N.exe
File opened for modification	C:\Windows\java.exe	bc75822d2b5b3e836a007dee55157cf0N.exe
File created	C:\Windows\java.exe	bc75822d2b5b3e836a007dee55157cf0N.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	bc75822d2b5b3e836a007dee55157cf0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 2196	1604	bc75822d2b5b3e836a007dee55157cf0N.exe	28
PID 1604 wrote to memory of 2196	1604	bc75822d2b5b3e836a007dee55157cf0N.exe	28
PID 1604 wrote to memory of 2196	1604	bc75822d2b5b3e836a007dee55157cf0N.exe	28
PID 1604 wrote to memory of 2196	1604	bc75822d2b5b3e836a007dee55157cf0N.exe	28

C:\Users\Admin\AppData\Local\Temp\bc75822d2b5b3e836a007dee55157cf0N.exe
"C:\Users\Admin\AppData\Local\Temp\bc75822d2b5b3e836a007dee55157cf0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\services.exe
  "C:\Windows\services.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2196

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

Modify Registry

1

T1112

Credential Access

Discovery

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:\Windows\services.exe

Filesize
8KB

MD5
b0fe74719b1b647e2056641931907f4a

SHA1
e858c206d2d1542a79936cb00d85da853bfc95e2

SHA256
bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c

SHA512
9c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2

Download Submit
memory/1604-0-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1604-4-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1604-58-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/1604-10-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1604-17-0x0000000000500000-0x0000000000510200-memory.dmp

Filesize
64KB

Download
memory/2196-23-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-18-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-28-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-30-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-35-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-40-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-42-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-47-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-11-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2196-59-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads