657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1

General

Target

657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe
Size

681KB
MD5

5118d93f4a0e9e86bb5e0dafdb357020
SHA1

11c7ebbc4e4d0edca04ab8460b20ac54da13451d
SHA256

657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1
SHA512

a83da4229ee1dfb14f3a0c798c5c5c5995ea1baba6c760dc14c06103ea274a2ee8ec18b031e51ca4c2a782c200eca3f6717579d9303d327785438c344e357eb7
SSDEEP

12288:8nvpkQLom8aLmgJhKjUkZ+TwikOdLwzcBu43U2tCTSyOfjPCatgF2nOgFDmK45F:8nvSQLV8TgJhKXYcKacQSbMSDCatg4OF

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2032-55-0x00000000005D0000-0x000000000071A000-memory.dmp	upx
behavioral1/memory/2032-58-0x00000000005D0000-0x000000000071A000-memory.dmp	upx
behavioral1/memory/2032-59-0x00000000005D0000-0x000000000071A000-memory.dmp	upx
behavioral1/memory/2032-62-0x00000000005D0000-0x000000000071A000-memory.dmp	upx
behavioral1/memory/2032-63-0x00000000005D0000-0x000000000071A000-memory.dmp	upx
behavioral1/memory/1656-66-0x00000000005E0000-0x000000000072A000-memory.dmp	upx
behavioral1/memory/1656-69-0x00000000005E0000-0x000000000072A000-memory.dmp	upx
behavioral1/memory/1656-70-0x00000000005E0000-0x000000000072A000-memory.dmp	upx
behavioral1/memory/1656-71-0x00000000005E0000-0x000000000072A000-memory.dmp	upx
behavioral1/memory/2032-73-0x00000000005D0000-0x000000000071A000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~2\is7087999.log	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2032	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe
2032	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2032	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2032	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe
2032	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1656	2032	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe	28
PID 2032 wrote to memory of 1656	2032	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe	28
PID 2032 wrote to memory of 1656	2032	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe	28
PID 2032 wrote to memory of 1656	2032	657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe	28

C:\Users\Admin\AppData\Local\Temp\657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe
"C:\Users\Admin\AppData\Local\Temp\657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe"
1⤵
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe
  "C:\Users\Admin\AppData\Local\Temp\657c231ecf4461e56bdcffc84d5d71abbe7be36c06661d5cd61c808cfd3becb1.exe" /_ShowProgress
  2⤵
  PID:1656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1656-71-0x00000000005E0000-0x000000000072A000-memory.dmp

Filesize
1.3MB

Download
memory/1656-70-0x00000000005E0000-0x000000000072A000-memory.dmp

Filesize
1.3MB

Download
memory/1656-69-0x00000000005E0000-0x000000000072A000-memory.dmp

Filesize
1.3MB

Download
memory/1656-66-0x00000000005E0000-0x000000000072A000-memory.dmp

Filesize
1.3MB

Download
memory/2032-59-0x00000000005D0000-0x000000000071A000-memory.dmp

Filesize
1.3MB

Download
memory/2032-62-0x00000000005D0000-0x000000000071A000-memory.dmp

Filesize
1.3MB

Download
memory/2032-63-0x00000000005D0000-0x000000000071A000-memory.dmp

Filesize
1.3MB

Download
memory/2032-61-0x00000000002F0000-0x000000000039B000-memory.dmp

Filesize
684KB

Download
memory/2032-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2032-54-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

Download
memory/2032-58-0x00000000005D0000-0x000000000071A000-memory.dmp

Filesize
1.3MB

Download
memory/2032-55-0x00000000005D0000-0x000000000071A000-memory.dmp

Filesize
1.3MB

Download
memory/2032-73-0x00000000005D0000-0x000000000071A000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing