3b726e75dbb5d25c2058eb37cb2b82490cff8c260536d6a54ef7acaebe6ac20b

General

Target

3b726e75dbb5d25c2058eb37cb2b82490cff8c260536d6a54ef7acaebe6ac20b.xlsm
Size

73KB
MD5

2782e4a26bbe1e9cdb8a34af0ae440e3
SHA1

d70d84ebd43556d546c3739df545dfd52ec6c8aa
SHA256

3b726e75dbb5d25c2058eb37cb2b82490cff8c260536d6a54ef7acaebe6ac20b
SHA512

7183704b5d5745d8a7f9943c3a39baf0a7b4affff6ab632cbd08fc967f7ea2e8c36d8dbc4ed6e189f2b9d9f722b732ce53b19a61958a40237649fcb1eefc00c1
SSDEEP

1536:i41yiXSto0NSVUINwtzLT7OMuuAe0yOcfpXZGsMlV4XG:B1yiCtzSmICpH7OZuvZGsMX

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://appleinfoway.com/venv/5Pp/

xlm40.dropper

http://www.atelierkikala.com/Facebook/vXY2sLFfbSSCTh/

xlm40.dropper

http://astrogurusunilbarmola.com/css/ucDJnRTACskNjrZOHr/

xlm40.dropper

http://atters.net/cgi-bin/0yIPlpXo3156/

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	2928	4128	regsvr32.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.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
4128	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4128	EXCEL.EXE
4128	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE
4128	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4128 wrote to memory of 2928	4128	EXCEL.EXE	87
PID 4128 wrote to memory of 2928	4128	EXCEL.EXE	87
PID 4128 wrote to memory of 2928	4128	EXCEL.EXE	87

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3b726e75dbb5d25c2058eb37cb2b82490cff8c260536d6a54ef7acaebe6ac20b.xlsm"
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:4128
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\ujg.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2928

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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
668B

MD5
fb06ade4b06216c5a9a08ee7f376a3fc

SHA1
a948eb1079870caf47e9fd81089fec1fc5f55a5f

SHA256
519b47d11c57d1ef38f3f52fde764e901b046b53fb73c48faeb6f3d87c6b2da5

SHA512
0bf3bcfa2dd06d834e130109900d3030fcf65dd68200905762778c05f97ea73db5c87b2ab5a612ec71c4e13c9ced6772b79d52f2d3854bbfa33ec38b1a14081f

Download Submit
C:\Users\Admin\ujg.dll

Filesize
91B

MD5
13602a959153b8c9b4600e17dc98ebdb

SHA1
1ac6cd8cd54a7d9a013e7f92be645b275a75243b

SHA256
7b5dcf39a3facf8ee0b21a1738d6b652b67768e3321aa848f2d1a5b9f80458c2

SHA512
e9bdf50715f9caf53644f3bf4d40e7e31620f00df1e462a9f9c9885f056cdd442cc178c1b5f9f12e5c541199e1e4ca9e06048a9c03413a77276f6ab43b46d923

Download Submit
memory/4128-5-0x00007FFB93550000-0x00007FFB93560000-memory.dmp

Filesize
64KB

Download
memory/4128-7-0x00007FFBD34D0000-0x00007FFBD36C5000-memory.dmp

Filesize
2.0MB

Download
memory/4128-0-0x00007FFB93550000-0x00007FFB93560000-memory.dmp

Filesize
64KB

Download
memory/4128-4-0x00007FFB93550000-0x00007FFB93560000-memory.dmp

Filesize
64KB

Download
memory/4128-6-0x00007FFBD34D0000-0x00007FFBD36C5000-memory.dmp

Filesize
2.0MB

Download
memory/4128-8-0x00007FFBD34D0000-0x00007FFBD36C5000-memory.dmp

Filesize
2.0MB

Download
memory/4128-9-0x00007FFBD34D0000-0x00007FFBD36C5000-memory.dmp

Filesize
2.0MB

Download
memory/4128-3-0x00007FFB93550000-0x00007FFB93560000-memory.dmp

Filesize
64KB

Download
memory/4128-10-0x00007FFB91330000-0x00007FFB91340000-memory.dmp

Filesize
64KB

Download
memory/4128-11-0x00007FFB91330000-0x00007FFB91340000-memory.dmp

Filesize
64KB

Download
memory/4128-2-0x00007FFB93550000-0x00007FFB93560000-memory.dmp

Filesize
64KB

Download
memory/4128-32-0x00007FFBD34D0000-0x00007FFBD36C5000-memory.dmp

Filesize
2.0MB

Download
memory/4128-33-0x00007FFBD356D000-0x00007FFBD356E000-memory.dmp

Filesize
4KB

Download
memory/4128-34-0x00007FFBD34D0000-0x00007FFBD36C5000-memory.dmp

Filesize
2.0MB

Download
memory/4128-35-0x00007FFBD34D0000-0x00007FFBD36C5000-memory.dmp

Filesize
2.0MB

Download
memory/4128-1-0x00007FFBD356D000-0x00007FFBD356E000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads