a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568

General

Target

a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe
Size

931KB
MD5

a4b3c7ffee81a56b7d5b080a2b67c630
SHA1

44b23a6132bd9d98622a54ff2fc831d520773bbe
SHA256

a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568
SHA512

a06ee50d7f06e5b77a71ac3acb632d678865909f14c4aa94d29b12c1c7b4d47ada7cd364aa52419bc417ea397b803f52fe053a0d4a0f96060b528de4a56bcf1f
SSDEEP

24576:y6IMwPvmB/wWq+5DUTt7FGSwmpu8nL6YK:y6j19rut7FoU56

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1364-55-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/1364-57-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/1364-58-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/1364-61-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/1364-63-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/1364-64-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/1364-65-0x0000000000400000-0x00000000004EA000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1896 set thread context of 1364	1896	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1364	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 1364	1896	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe	29
PID 1896 wrote to memory of 1364	1896	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe	29
PID 1896 wrote to memory of 1364	1896	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe	29
PID 1896 wrote to memory of 1364	1896	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe	29
PID 1896 wrote to memory of 1364	1896	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe	29
PID 1896 wrote to memory of 1364	1896	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe	29
PID 1896 wrote to memory of 1364	1896	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe	29
PID 1896 wrote to memory of 1364	1896	a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe	29

C:\Users\Admin\AppData\Local\Temp\a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe
"C:\Users\Admin\AppData\Local\Temp\a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Users\Admin\AppData\Local\Temp\a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe
  "C:\Users\Admin\AppData\Local\Temp\a2c9e8eb8fbcb24767f5474aa3ff66ec27a207dea494e8d7b9701b3c4653b568.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1364-55-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1364-54-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1364-57-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1364-58-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1364-61-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1364-62-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/1364-63-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1364-64-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/1364-65-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads