3db2bf8aadcc47dc9830396a07bc896634ab6028f222404438f8fcd2ff582103

Analysis

max time kernel
111s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
19-08-2024 21:55

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General

Target

d3b57c60c3df60583be7db4c64f63ea0N.exe
Size

206KB
MD5

d3b57c60c3df60583be7db4c64f63ea0
SHA1

bea47defa14136208bae5d4d6d49a6628d0e8d3d
SHA256

3db2bf8aadcc47dc9830396a07bc896634ab6028f222404438f8fcd2ff582103
SHA512

6bf5518c0ac06d4108a99973604ec82edaf9b654cb62d23d57014dbf4ac5312f4a97e6e81d3a9e3753e48a84b1a2cf9cc2592d239eaf69102021badff4db3194
SSDEEP

6144:WDbJX4alg8npg9tY72QraPF5ubz7T5l2wYNL9fw:EXPlNna3Q2QKQz7N3cL

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2568	American.exe

Loads dropped DLL 2 IoCs

pid	Process
1140	d3b57c60c3df60583be7db4c64f63ea0N.exe
1140	d3b57c60c3df60583be7db4c64f63ea0N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1140-0-0x0000000000400000-0x0000000000578000-memory.dmp	upx
behavioral1/files/0x0009000000018f82-2.dat	upx
behavioral1/memory/2568-10-0x0000000000400000-0x0000000000578000-memory.dmp	upx
behavioral1/memory/1140-12-0x0000000000400000-0x0000000000578000-memory.dmp	upx
behavioral1/memory/2568-13-0x0000000000400000-0x0000000000578000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\English\American.exe	d3b57c60c3df60583be7db4c64f63ea0N.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	d3b57c60c3df60583be7db4c64f63ea0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	American.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1140	d3b57c60c3df60583be7db4c64f63ea0N.exe
1140	d3b57c60c3df60583be7db4c64f63ea0N.exe
1140	d3b57c60c3df60583be7db4c64f63ea0N.exe
1140	d3b57c60c3df60583be7db4c64f63ea0N.exe
2568	American.exe
2568	American.exe
2568	American.exe
2568	American.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 2568	1140	d3b57c60c3df60583be7db4c64f63ea0N.exe	30
PID 1140 wrote to memory of 2568	1140	d3b57c60c3df60583be7db4c64f63ea0N.exe	30
PID 1140 wrote to memory of 2568	1140	d3b57c60c3df60583be7db4c64f63ea0N.exe	30
PID 1140 wrote to memory of 2568	1140	d3b57c60c3df60583be7db4c64f63ea0N.exe	30

C:\Users\Admin\AppData\Local\Temp\d3b57c60c3df60583be7db4c64f63ea0N.exe
"C:\Users\Admin\AppData\Local\Temp\d3b57c60c3df60583be7db4c64f63ea0N.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Program Files\English\American.exe
  "C:\Program Files\English\American.exe" "33201"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

\Program Files\English\American.exe

Filesize
206KB

MD5
46ed5c731fa3e51a12ed3c87019ce63e

SHA1
ad8950dcd61b2a77ff206caa9edea3011cca0a16

SHA256
daa758942da418aa9a4c1ad9f1664172d141efca179842c2c5396b98ea7c7a18

SHA512
42236705c4e27e00b0aa084289a511417b954d6fd8723bdc8a85a7a3c61c2f93292e228c4d94c0cfa26a6d5f6dafe45762ac178f40ec1cca85c95da95464e84a

Download Submit
memory/1140-0-0x0000000000400000-0x0000000000578000-memory.dmp

Filesize
1.5MB

Download
memory/1140-8-0x0000000002530000-0x00000000026A8000-memory.dmp

Filesize
1.5MB

Download
memory/1140-12-0x0000000000400000-0x0000000000578000-memory.dmp

Filesize
1.5MB

Download
memory/2568-10-0x0000000000400000-0x0000000000578000-memory.dmp

Filesize
1.5MB

Download
memory/2568-13-0x0000000000400000-0x0000000000578000-memory.dmp

Filesize
1.5MB

Download