a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4

General

Target

a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe
Size

1.0MB
MD5

8487714510066eeeb642832890f0bd7d
SHA1

1efb1d87528622530510e4e1ed37f459ad60f781
SHA256

a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4
SHA512

94f791089aba9e8d7c123fa3a3b59878c7e8677d4325b74940de6316bf0e4f899bd00133c3c1ac4259ea5426a09ace0b180cea7bd917268df7509a3cf38b7234
SSDEEP

24576:rQqAkwwlUSvS3U2wb0aZTKzqCGw1L3v5dGjnA3Kbx:rQqhqS32wIcTfQ3v5ok0x

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1676-54-0x0000000000400000-0x0000000000589000-memory.dmp	upx
behavioral1/memory/1676-70-0x0000000000400000-0x0000000000589000-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	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.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	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1676 set thread context of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
540	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe
540	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe
540	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe
540	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe
540	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe
540	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29
PID 1676 wrote to memory of 540	1676	a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe	29

C:\Users\Admin\AppData\Local\Temp\a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe
"C:\Users\Admin\AppData\Local\Temp\a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Users\Admin\AppData\Local\Temp\a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe
  "C:\Users\Admin\AppData\Local\Temp\a813700e06fb08d35ec9507228d0f79eb50072589f0503dfb80269c8cbc786f4.exe" Track="0001001000"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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/540-68-0x0000000000457A66-mapping.dmp

Download
memory/540-67-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/540-56-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/540-74-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/540-59-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/540-61-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/540-55-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/540-65-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/540-63-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/540-73-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/540-72-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/540-71-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/1676-70-0x0000000000400000-0x0000000000589000-memory.dmp

Filesize
1.5MB

Download
memory/1676-54-0x0000000000400000-0x0000000000589000-memory.dmp

Filesize
1.5MB

Download
memory/1676-58-0x00000000022D0000-0x0000000002459000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads