7eb2de2bfd05ee1e83980aa914486789d2e8f3fb3cc6e166f140302fdaf40cd9

General

Target
PO-75013.scr
Size 1.6MB
Sample210113-e8ce7z11he
SHA256 7eb2de2bfd05ee1e83980aa914486789d2e8f3fb3cc6e166f140302fdaf40cd9
MD5 e7e6ee6ef97ff797562c91e0ff401ac4
SHA1 d1ec737c87a9c0a91456f1019106b77ee2e03980
SHA512 1b84af0412dc0afbc19f894d2aec326f0f11c12dc9921ac817dab08415051f841b77aec5ed7bf5b53b0665e68b68ab53392ea731243a4630125fc158b3fd7743
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1988	explore.exe
1592	InstallUtil.exe

Loads dropped DLL 2 IoCs

pid	Process
2012	PO-75013.scr
1988	explore.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\explore = "C:\\Users\\Admin\\explore.exe"	reg.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	checkip.dyndns.org
11	freegeoip.app
12	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1988 set thread context of 1592	1988	explore.exe	33

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2012	PO-75013.scr
2012	PO-75013.scr
2012	PO-75013.scr
2012	PO-75013.scr
2012	PO-75013.scr
1988	explore.exe
1988	explore.exe
1592	InstallUtil.exe
1592	InstallUtil.exe
1592	InstallUtil.exe
1592	InstallUtil.exe
1592	InstallUtil.exe
1592	InstallUtil.exe
1592	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	PO-75013.scr
Token: SeDebugPrivilege	1988	explore.exe
Token: SeDebugPrivilege	1592	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 872	2012	PO-75013.scr	29
PID 2012 wrote to memory of 872	2012	PO-75013.scr	29
PID 2012 wrote to memory of 872	2012	PO-75013.scr	29
PID 2012 wrote to memory of 872	2012	PO-75013.scr	29
PID 872 wrote to memory of 1092	872	cmd.exe	31
PID 872 wrote to memory of 1092	872	cmd.exe	31
PID 872 wrote to memory of 1092	872	cmd.exe	31
PID 872 wrote to memory of 1092	872	cmd.exe	31
PID 2012 wrote to memory of 1988	2012	PO-75013.scr	32
PID 2012 wrote to memory of 1988	2012	PO-75013.scr	32
PID 2012 wrote to memory of 1988	2012	PO-75013.scr	32
PID 2012 wrote to memory of 1988	2012	PO-75013.scr	32
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33
PID 1988 wrote to memory of 1592	1988	explore.exe	33

C:\Users\Admin\AppData\Local\Temp\PO-75013.scr
"C:\Users\Admin\AppData\Local\Temp\PO-75013.scr" /S
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "explore" /t REG_SZ /d "C:\Users\Admin\explore.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:872
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "explore" /t REG_SZ /d "C:\Users\Admin\explore.exe"
    3⤵
    - Adds Run key to start application
    PID:1092
- C:\Users\Admin\explore.exe
  "C:\Users\Admin\explore.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1592-22-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/1592-27-0x0000000074BA0000-0x000000007528E000-memory.dmp

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memory/1592-26-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/1592-25-0x0000000000400000-0x0000000000468000-memory.dmp

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memory/1988-14-0x0000000000060000-0x0000000000061000-memory.dmp

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memory/1988-19-0x0000000002170000-0x0000000002171000-memory.dmp

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memory/1988-18-0x0000000000810000-0x000000000081B000-memory.dmp

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memory/1988-13-0x0000000074BA0000-0x000000007528E000-memory.dmp

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memory/2012-6-0x00000000005B0000-0x00000000005B1000-memory.dmp

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memory/2012-5-0x0000000000590000-0x00000000005AE000-memory.dmp

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memory/2012-3-0x0000000000350000-0x0000000000351000-memory.dmp

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memory/2012-2-0x0000000074BA0000-0x000000007528E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads