f62e16331ff6b8514bf7285df5f829f40c5eafb6c07180afc38bb670ff77a7d6

Resubmissions

07/09/2022, 08:56

220907-kv41hagfgr 7

07/09/2022, 08:50

220907-krq98sbdh9 1

Analysis

max time kernel
149s
max time network
131s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
07/09/2022, 08:50

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General

Target

decrypted.xlsx
Size

44KB
MD5

87555a91dcf29533d97a5a15dcba0399
SHA1

38c779ae0852f52a0cd96f710172517a53cb230a
SHA256

da7ad3bdbc357f1579f83704c76a095a4614321606c95323bd518c8f1c21783a
SHA512

d1c154b796e5065d5d3eedb71084538148fc93a53101c0ddc549ecb94bfc835c4d0ee01b645858c46374f1e1612b8b3e515bab2f43313c4b18ad317bbad93563
SSDEEP

768:Ydi8TzBPCP4XwBkNWZ3cjvmWa+V7kX9On8YWihjZ01qMapVsiU/UFxh3+q/RNP:YM8TlZCkNWZ3c3ayEINZcHapVsXcFxhB

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 6 IoCs

Processor 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\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 6 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2436	EXCEL.EXE
4212	WINWORD.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeAuditPrivilege	4212	WINWORD.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2436	EXCEL.EXE
2436	EXCEL.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

pid	Process
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
4212	WINWORD.EXE
4212	WINWORD.EXE
4212	WINWORD.EXE
4212	WINWORD.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE
2436	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 4440	4212	WINWORD.EXE	70
PID 4212 wrote to memory of 4440	4212	WINWORD.EXE	70

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\decrypted.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2436

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4212
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4440

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\C52EQBTK\138[1].doc

Filesize
21KB

MD5
531a9fc493f62980cdb6b9361c0211dd

SHA1
38711a7d1b6595abf38d95c2fa0d33743da7bbdf

SHA256
632e04c151ca3551c40394da4f61730a47ba2137984f65ff70727ccefd3017fa

SHA512
d8566a7c7b5e463878cc5ee2eb04f0998a6472e7e656ffa7508ef6abd30076457df169f0acf0a60dde388ce522990180f5df523dec9223bdf2f05b61c52f5e4c

Download Submit
memory/2436-118-0x00007FF7E7C00000-0x00007FF7E7C10000-memory.dmp

Filesize
64KB

Download
memory/2436-119-0x00007FF7E7C00000-0x00007FF7E7C10000-memory.dmp

Filesize
64KB

Download
memory/2436-120-0x00007FF7E7C00000-0x00007FF7E7C10000-memory.dmp

Filesize
64KB

Download
memory/2436-121-0x00007FF7E7C00000-0x00007FF7E7C10000-memory.dmp

Filesize
64KB

Download
memory/2436-130-0x00007FF7E4140000-0x00007FF7E4150000-memory.dmp

Filesize
64KB

Download
memory/2436-131-0x00007FF7E4140000-0x00007FF7E4150000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads