74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b

General

Target

74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
Size

931KB
MD5

b06c184d695ec35cc3f580b44a40ffd2
SHA1

a4c24d45950aedff62a4908b23aa36ecad4abaca
SHA256

74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b
SHA512

04d8a25e823fac6825b0403db05b24e784a8fc920d9560551bc71208029697b5231b951b07ea6add3ccda70c2e15585b5923dbe0fb356f90960063e976c66a7a
SSDEEP

24576:C6IMwPvmB/wWq+5DUTt7FGSwmpu8nL6YKv:C6j19rut7FoU56Z

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/868-55-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/868-57-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/868-58-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/868-62-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/868-63-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/868-64-0x0000000000400000-0x00000000004EA000-memory.dmp	upx
behavioral1/memory/868-65-0x0000000000400000-0x00000000004EA000-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\VideoBiosVersion	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.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	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1352 set thread context of 868	1352	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
868	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 868	1352	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	29
PID 1352 wrote to memory of 868	1352	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	29
PID 1352 wrote to memory of 868	1352	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	29
PID 1352 wrote to memory of 868	1352	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	29
PID 1352 wrote to memory of 868	1352	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	29
PID 1352 wrote to memory of 868	1352	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	29
PID 1352 wrote to memory of 868	1352	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	29
PID 1352 wrote to memory of 868	1352	74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe	29

C:\Users\Admin\AppData\Local\Temp\74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
"C:\Users\Admin\AppData\Local\Temp\74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Users\Admin\AppData\Local\Temp\74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe
  "C:\Users\Admin\AppData\Local\Temp\74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:868

Network

DNS

lrmsi5tp.v61f3g9zx.com

74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe

Remote address:

8.8.8.8:53

Request

lrmsi5tp.v61f3g9zx.com

IN A

Response

No results found

8.8.8.8:53

lrmsi5tp.v61f3g9zx.com

dns

74b71d4d52597ec910a71fc7d791a3c9099b5bbd13e6f65a4e74d315914c3d1b.exe

68 B
141 B
1
1

DNS Request

lrmsi5tp.v61f3g9zx.com

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/868-54-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/868-55-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/868-57-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/868-58-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/868-61-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/868-62-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/868-63-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/868-64-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/868-65-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

MITRE ATT&CK Enterprise v6

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Downloads

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