a310logger | e56be44ff82710e8a304f15c2db34bed017876b9fb36efc1b84c7ace02e6b88a

General

Target

order.xlsx
Size

1.1MB
MD5

9ca6188ffa6e7610504240a8e653a1af
SHA1

c0cdd372d847acda3f851f9b96f74a48f9f6ba0b
SHA256

e56be44ff82710e8a304f15c2db34bed017876b9fb36efc1b84c7ace02e6b88a
SHA512

d6f8f7823aa448bf010cf6a76179d7194e2369d343ee1aac1819b149ba0b0f56c2b76e749687a7dcd524f9d2709b1487bd103a26b9c1f8fa9e57080f6bb386ce

Score

10^/10

a310logger stormkitty spyware stealer

Malware Config

Signatures

A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
stealer spyware a310logger
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty Payload 3 IoCs

resource	yara_rule
behavioral1/files/0x000300000001311b-90.dat	family_stormkitty
behavioral1/files/0x000300000001311b-93.dat	family_stormkitty
behavioral1/files/0x000300000001311b-94.dat	family_stormkitty

A310logger Executable 3 IoCs

resource	yara_rule
behavioral1/files/0x000300000001311b-90.dat	a310logger
behavioral1/files/0x000300000001311b-93.dat	a310logger
behavioral1/files/0x000300000001311b-94.dat	a310logger

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	1848	EQNEDT32.EXE

Downloads MZ/PE file

Executes dropped EXE 4 IoCs

pid	Process
420	vbc.exe
2016	vbc.exe
672	PASSWORDSNET4.exe
1608	CREDITCARDNET4.exe

Loads dropped DLL 6 IoCs

pid	Process
1848	EQNEDT32.EXE
1848	EQNEDT32.EXE
1848	EQNEDT32.EXE
1848	EQNEDT32.EXE
2016	vbc.exe
2016	vbc.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 420 set thread context of 2016	420	vbc.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 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	PASSWORDSNET4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	PASSWORDSNET4.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Launches Equation Editor 1 TTPs 1 IoCs

Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

exploit

Exploitation for Client Execution

T1203

pid	Process
1848	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1724	EXCEL.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1724	EXCEL.EXE
1724	EXCEL.EXE
1724	EXCEL.EXE
2016	vbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 420	1848	EQNEDT32.EXE	32
PID 1848 wrote to memory of 420	1848	EQNEDT32.EXE	32
PID 1848 wrote to memory of 420	1848	EQNEDT32.EXE	32
PID 1848 wrote to memory of 420	1848	EQNEDT32.EXE	32
PID 420 wrote to memory of 2016	420	vbc.exe	34
PID 420 wrote to memory of 2016	420	vbc.exe	34
PID 420 wrote to memory of 2016	420	vbc.exe	34
PID 420 wrote to memory of 2016	420	vbc.exe	34
PID 420 wrote to memory of 2016	420	vbc.exe	34
PID 420 wrote to memory of 2016	420	vbc.exe	34
PID 420 wrote to memory of 2016	420	vbc.exe	34
PID 420 wrote to memory of 2016	420	vbc.exe	34
PID 420 wrote to memory of 2016	420	vbc.exe	34
PID 2016 wrote to memory of 672	2016	vbc.exe	35
PID 2016 wrote to memory of 672	2016	vbc.exe	35
PID 2016 wrote to memory of 672	2016	vbc.exe	35
PID 2016 wrote to memory of 672	2016	vbc.exe	35
PID 2016 wrote to memory of 1608	2016	vbc.exe	37
PID 2016 wrote to memory of 1608	2016	vbc.exe	37
PID 2016 wrote to memory of 1608	2016	vbc.exe	37
PID 2016 wrote to memory of 1608	2016	vbc.exe	37

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\order.xlsx
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1724

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Users\Public\vbc.exe
  "C:\Users\Public\vbc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:420
- - C:\Users\Public\vbc.exe
    "C:\Users\Public\vbc.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2016
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\PASSWORDSNET4.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\PASSWORDSNET4.exe
      4⤵
      Executes dropped EXE
      Checks processor information in registry
      PID:672
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\CREDITCARDNET4.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\CREDITCARDNET4.exe
      4⤵
      Executes dropped EXE
      PID:1608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

Scripting

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/420-73-0x0000000006FB0000-0x0000000007059000-memory.dmp

Filesize
676KB

Download
memory/420-75-0x0000000000250000-0x0000000000260000-memory.dmp

Filesize
64KB

Download
memory/420-74-0x0000000004A90000-0x0000000004A91000-memory.dmp

Filesize
4KB

Download
memory/420-71-0x0000000000D20000-0x0000000000D21000-memory.dmp

Filesize
4KB

Download
memory/420-82-0x00000000050E0000-0x0000000005191000-memory.dmp

Filesize
708KB

Download
memory/420-83-0x0000000004450000-0x00000000044C1000-memory.dmp

Filesize
452KB

Download
memory/672-95-0x0000000000810000-0x0000000000811000-memory.dmp

Filesize
4KB

Download
memory/1608-101-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download
memory/1724-80-0x0000000006EC8000-0x0000000006ECA000-memory.dmp

Filesize
8KB

Download
memory/1724-79-0x0000000006EC6000-0x0000000006EC8000-memory.dmp

Filesize
8KB

Download
memory/1724-104-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1724-61-0x0000000070E21000-0x0000000070E23000-memory.dmp

Filesize
8KB

Download
memory/1724-81-0x0000000006ECA000-0x0000000006ECD000-memory.dmp

Filesize
12KB

Download
memory/1724-76-0x0000000006EC0000-0x0000000006EC3000-memory.dmp

Filesize
12KB

Download
memory/1724-60-0x000000002F2C1000-0x000000002F2C4000-memory.dmp

Filesize
12KB

Download
memory/1724-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1724-78-0x0000000006EC5000-0x0000000006EC6000-memory.dmp

Filesize
4KB

Download
memory/1724-77-0x0000000006EC3000-0x0000000006EC5000-memory.dmp

Filesize
8KB

Download
memory/1848-63-0x0000000075161000-0x0000000075163000-memory.dmp

Filesize
8KB

Download
memory/2016-84-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2016-92-0x0000000000610000-0x0000000000612000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads