5c07027df41a91d027a90ff85f445cc038127d8b035bbfc6569644c1d4ec6156

Analysis

max time kernel
4294209s
max time network
127s
platform
windows7_x64
resource
win7-20220310-en
submitted
31/03/2022, 15:42

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General

Target
5C07027DF41A91D027A90FF85F445CC038127D8B035BB.exe
Size 4.6MB
Sample220331-s5bqpsebd8
SHA256 5c07027df41a91d027a90ff85f445cc038127d8b035bbfc6569644c1d4ec6156
MD5 4eebee09173ff96dbe8390c822cd2eef
SHA1 9b2c78810e575f081fa9b7623c2a2e879cf4fbe4
SHA512 8954edbb45d919940eb1856f33a8413e58bfb2f97bbfd4d543660aac2bbb5cafb28ab627734a9f3246ed28ff5f315739673d15ed684c33dc51bfde8f99983750
MD5 SHA1 SHA512

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
2	1860	RUNDLL32.EXE
3	1860	RUNDLL32.EXE
4	1860	RUNDLL32.EXE
5	1860	RUNDLL32.EXE

Deletes itself 1 IoCs

pid	Process
1676	rundll32.exe

Loads dropped DLL 8 IoCs

pid	Process
1676	rundll32.exe
1676	rundll32.exe
1676	rundll32.exe
1676	rundll32.exe
1860	RUNDLL32.EXE
1860	RUNDLL32.EXE
1860	RUNDLL32.EXE
1860	RUNDLL32.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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops desktop.ini file(s) 3 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\6GA0X34V\desktop.ini	RUNDLL32.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini	RUNDLL32.EXE
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\9H7KS8W3\desktop.ini	RUNDLL32.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1676	rundll32.exe
Token: SeDebugPrivilege	1860	RUNDLL32.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 1676	1776	5C07027DF41A91D027A90FF85F445CC038127D8B035BB.exe	27
PID 1776 wrote to memory of 1676	1776	5C07027DF41A91D027A90FF85F445CC038127D8B035BB.exe	27
PID 1776 wrote to memory of 1676	1776	5C07027DF41A91D027A90FF85F445CC038127D8B035BB.exe	27
PID 1776 wrote to memory of 1676	1776	5C07027DF41A91D027A90FF85F445CC038127D8B035BB.exe	27
PID 1776 wrote to memory of 1676	1776	5C07027DF41A91D027A90FF85F445CC038127D8B035BB.exe	27
PID 1776 wrote to memory of 1676	1776	5C07027DF41A91D027A90FF85F445CC038127D8B035BB.exe	27
PID 1776 wrote to memory of 1676	1776	5C07027DF41A91D027A90FF85F445CC038127D8B035BB.exe	27
PID 1676 wrote to memory of 1860	1676	rundll32.exe	28
PID 1676 wrote to memory of 1860	1676	rundll32.exe	28
PID 1676 wrote to memory of 1860	1676	rundll32.exe	28
PID 1676 wrote to memory of 1860	1676	rundll32.exe	28
PID 1676 wrote to memory of 1860	1676	rundll32.exe	28
PID 1676 wrote to memory of 1860	1676	rundll32.exe	28
PID 1676 wrote to memory of 1860	1676	rundll32.exe	28

C:\Users\Admin\AppData\Local\Temp\5C07027DF41A91D027A90FF85F445CC038127D8B035BB.exe
"C:\Users\Admin\AppData\Local\Temp\5C07027DF41A91D027A90FF85F445CC038127D8B035BB.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\A3D902~1.DLL,A C:\Users\Admin\AppData\Local\Temp\5C0702~1.EXE
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\SysWOW64\RUNDLL32.EXE
    C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\A3D902~1.DLL,JQsa
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Drops desktop.ini file(s)
    - Suspicious use of AdjustPrivilegeToken
    PID:1860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

A3D902~1.DLL

Path C:\Users\Admin\AppData\Local\Temp\A3D902~1.DLL
Size 4.5MB
SHA256 7a9c21fbb90a59cf1e3f441da1bb50747d3640848b4e81633d681c4dcd3f2820
MD5 e808d8d7c58ba9976bef24c39d46d937
SHA1 a9a0124804e066e5deac7eb01ad2766ab9421ff3
SHA512 a396b44f79189a6c1cdae213d24c2ce414248dd199dd5e82c44c6b3a09d8e6a15a1740ef32423b4a1aa79bd3a0abaa20c27a0b7e0acc45669c0771d56e06cf63
SSDEEP 98304:G5LP0V7hbBxcBVwQlUvr8q4VudqryySn0:G5r0/Lc7wZ1sTS
MD5 SHA1 SHA512 SSDEEP

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A3D902~1.DLL

Path \Users\Admin\AppData\Local\Temp\A3D902~1.DLL
Size 4.5MB
SHA256 7a9c21fbb90a59cf1e3f441da1bb50747d3640848b4e81633d681c4dcd3f2820
MD5 e808d8d7c58ba9976bef24c39d46d937
SHA1 a9a0124804e066e5deac7eb01ad2766ab9421ff3
SHA512 a396b44f79189a6c1cdae213d24c2ce414248dd199dd5e82c44c6b3a09d8e6a15a1740ef32423b4a1aa79bd3a0abaa20c27a0b7e0acc45669c0771d56e06cf63
SSDEEP 98304:G5LP0V7hbBxcBVwQlUvr8q4VudqryySn0:G5r0/Lc7wZ1sTS
MD5 SHA1 SHA512 SSDEEP

Submit Download

A3D902~1.DLL

Path \Users\Admin\AppData\Local\Temp\A3D902~1.DLL
Size 4.5MB
SHA256 7a9c21fbb90a59cf1e3f441da1bb50747d3640848b4e81633d681c4dcd3f2820
MD5 e808d8d7c58ba9976bef24c39d46d937
SHA1 a9a0124804e066e5deac7eb01ad2766ab9421ff3
SHA512 a396b44f79189a6c1cdae213d24c2ce414248dd199dd5e82c44c6b3a09d8e6a15a1740ef32423b4a1aa79bd3a0abaa20c27a0b7e0acc45669c0771d56e06cf63
SSDEEP 98304:G5LP0V7hbBxcBVwQlUvr8q4VudqryySn0:G5r0/Lc7wZ1sTS
MD5 SHA1 SHA512 SSDEEP

Submit Download

A3D902~1.DLL

Path \Users\Admin\AppData\Local\Temp\A3D902~1.DLL
Size 4.5MB
SHA256 7a9c21fbb90a59cf1e3f441da1bb50747d3640848b4e81633d681c4dcd3f2820
MD5 e808d8d7c58ba9976bef24c39d46d937
SHA1 a9a0124804e066e5deac7eb01ad2766ab9421ff3
SHA512 a396b44f79189a6c1cdae213d24c2ce414248dd199dd5e82c44c6b3a09d8e6a15a1740ef32423b4a1aa79bd3a0abaa20c27a0b7e0acc45669c0771d56e06cf63
SSDEEP 98304:G5LP0V7hbBxcBVwQlUvr8q4VudqryySn0:G5r0/Lc7wZ1sTS
MD5 SHA1 SHA512 SSDEEP

Submit Download

A3D902~1.DLL

Path \Users\Admin\AppData\Local\Temp\A3D902~1.DLL
Size 4.5MB
SHA256 7a9c21fbb90a59cf1e3f441da1bb50747d3640848b4e81633d681c4dcd3f2820
MD5 e808d8d7c58ba9976bef24c39d46d937
SHA1 a9a0124804e066e5deac7eb01ad2766ab9421ff3
SHA512 a396b44f79189a6c1cdae213d24c2ce414248dd199dd5e82c44c6b3a09d8e6a15a1740ef32423b4a1aa79bd3a0abaa20c27a0b7e0acc45669c0771d56e06cf63
SSDEEP 98304:G5LP0V7hbBxcBVwQlUvr8q4VudqryySn0:G5r0/Lc7wZ1sTS
MD5 SHA1 SHA512 SSDEEP

Submit Download

A3D902~1.DLL

Path \Users\Admin\AppData\Local\Temp\A3D902~1.DLL
Size 4.5MB
SHA256 7a9c21fbb90a59cf1e3f441da1bb50747d3640848b4e81633d681c4dcd3f2820
MD5 e808d8d7c58ba9976bef24c39d46d937
SHA1 a9a0124804e066e5deac7eb01ad2766ab9421ff3
SHA512 a396b44f79189a6c1cdae213d24c2ce414248dd199dd5e82c44c6b3a09d8e6a15a1740ef32423b4a1aa79bd3a0abaa20c27a0b7e0acc45669c0771d56e06cf63
SSDEEP 98304:G5LP0V7hbBxcBVwQlUvr8q4VudqryySn0:G5r0/Lc7wZ1sTS
MD5 SHA1 SHA512 SSDEEP

Submit Download

A3D902~1.DLL

Path \Users\Admin\AppData\Local\Temp\A3D902~1.DLL
Size 4.5MB
SHA256 7a9c21fbb90a59cf1e3f441da1bb50747d3640848b4e81633d681c4dcd3f2820
MD5 e808d8d7c58ba9976bef24c39d46d937
SHA1 a9a0124804e066e5deac7eb01ad2766ab9421ff3
SHA512 a396b44f79189a6c1cdae213d24c2ce414248dd199dd5e82c44c6b3a09d8e6a15a1740ef32423b4a1aa79bd3a0abaa20c27a0b7e0acc45669c0771d56e06cf63
SSDEEP 98304:G5LP0V7hbBxcBVwQlUvr8q4VudqryySn0:G5r0/Lc7wZ1sTS
MD5 SHA1 SHA512 SSDEEP

Submit Download

A3D902~1.DLL

Path \Users\Admin\AppData\Local\Temp\A3D902~1.DLL
Size 4.5MB
SHA256 7a9c21fbb90a59cf1e3f441da1bb50747d3640848b4e81633d681c4dcd3f2820
MD5 e808d8d7c58ba9976bef24c39d46d937
SHA1 a9a0124804e066e5deac7eb01ad2766ab9421ff3
SHA512 a396b44f79189a6c1cdae213d24c2ce414248dd199dd5e82c44c6b3a09d8e6a15a1740ef32423b4a1aa79bd3a0abaa20c27a0b7e0acc45669c0771d56e06cf63
SSDEEP 98304:G5LP0V7hbBxcBVwQlUvr8q4VudqryySn0:G5r0/Lc7wZ1sTS
MD5 SHA1 SHA512 SSDEEP

Submit Download

A3D902~1.DLL

Path \Users\Admin\AppData\Local\Temp\A3D902~1.DLL
Size 4.5MB
SHA256 7a9c21fbb90a59cf1e3f441da1bb50747d3640848b4e81633d681c4dcd3f2820
MD5 e808d8d7c58ba9976bef24c39d46d937
SHA1 a9a0124804e066e5deac7eb01ad2766ab9421ff3
SHA512 a396b44f79189a6c1cdae213d24c2ce414248dd199dd5e82c44c6b3a09d8e6a15a1740ef32423b4a1aa79bd3a0abaa20c27a0b7e0acc45669c0771d56e06cf63
SSDEEP 98304:G5LP0V7hbBxcBVwQlUvr8q4VudqryySn0:G5r0/Lc7wZ1sTS
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1676-69-0x00000000030E0000-0x00000000030E1000-memory.dmp

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memory/1676-66-0x00000000021C0000-0x0000000002652000-memory.dmp

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memory/1676-67-0x0000000002930000-0x0000000002F88000-memory.dmp

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memory/1676-68-0x0000000002930000-0x0000000002F88000-memory.dmp

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memory/1776-58-0x0000000000400000-0x0000000003430000-memory.dmp

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memory/1776-54-0x0000000004DC0000-0x0000000005244000-memory.dmp

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memory/1776-57-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

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memory/1776-56-0x0000000005250000-0x0000000005763000-memory.dmp

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memory/1776-55-0x0000000004DC0000-0x0000000005244000-memory.dmp

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memory/1860-77-0x0000000002660000-0x0000000002CB8000-memory.dmp

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memory/1860-78-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

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memory/1860-79-0x0000000002660000-0x0000000002CB8000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads