7eb2de2bfd05ee1e83980aa914486789d2e8f3fb3cc6e166f140302fdaf40cd9

General

Target

PO-75013.scr
Size

1.6MB
MD5

e7e6ee6ef97ff797562c91e0ff401ac4
SHA1

d1ec737c87a9c0a91456f1019106b77ee2e03980
SHA256

7eb2de2bfd05ee1e83980aa914486789d2e8f3fb3cc6e166f140302fdaf40cd9
SHA512

1b84af0412dc0afbc19f894d2aec326f0f11c12dc9921ac817dab08415051f841b77aec5ed7bf5b53b0665e68b68ab53392ea731243a4630125fc158b3fd7743

Score

8^/10

persistence spyware

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

explore.exeInstallUtil.exe

pid process

4088 explore.exe
656 InstallUtil.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

pid	process
4088	explore.exe
656	InstallUtil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\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.

Processes:

flow ioc

15 checkip.dyndns.org
18 freegeoip.app
19 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

explore.exe

description pid process target process

PID 4088 set thread context of 656 4088 explore.exe InstallUtil.exe

flow	ioc
15	checkip.dyndns.org
18	freegeoip.app
19	freegeoip.app

description	pid	process	target process
PID 4088 set thread context of 656	4088	explore.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

PO-75013.screxplore.exeInstallUtil.exe

pid	process
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
592	PO-75013.scr
4088	explore.exe
4088	explore.exe
656	InstallUtil.exe
656	InstallUtil.exe
656	InstallUtil.exe
656	InstallUtil.exe
656	InstallUtil.exe
656	InstallUtil.exe
656	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO-75013.screxplore.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 592 PO-75013.scr
Token: SeDebugPrivilege 4088 explore.exe
Token: SeDebugPrivilege 656 InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	592	PO-75013.scr
Token: SeDebugPrivilege	4088	explore.exe
Token: SeDebugPrivilege	656	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PO-75013.scrcmd.exeexplore.exe

description	pid	process	target process
PID 592 wrote to memory of 760	592	PO-75013.scr	cmd.exe
PID 592 wrote to memory of 760	592	PO-75013.scr	cmd.exe
PID 592 wrote to memory of 760	592	PO-75013.scr	cmd.exe
PID 760 wrote to memory of 2312	760	cmd.exe	reg.exe
PID 760 wrote to memory of 2312	760	cmd.exe	reg.exe
PID 760 wrote to memory of 2312	760	cmd.exe	reg.exe
PID 592 wrote to memory of 4088	592	PO-75013.scr	explore.exe
PID 592 wrote to memory of 4088	592	PO-75013.scr	explore.exe
PID 592 wrote to memory of 4088	592	PO-75013.scr	explore.exe
PID 4088 wrote to memory of 656	4088	explore.exe	InstallUtil.exe
PID 4088 wrote to memory of 656	4088	explore.exe	InstallUtil.exe
PID 4088 wrote to memory of 656	4088	explore.exe	InstallUtil.exe
PID 4088 wrote to memory of 656	4088	explore.exe	InstallUtil.exe
PID 4088 wrote to memory of 656	4088	explore.exe	InstallUtil.exe
PID 4088 wrote to memory of 656	4088	explore.exe	InstallUtil.exe
PID 4088 wrote to memory of 656	4088	explore.exe	InstallUtil.exe
PID 4088 wrote to memory of 656	4088	explore.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\PO-75013.scr
"C:\Users\Admin\AppData\Local\Temp\PO-75013.scr" /S
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:592
- 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:760
- - 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:2312
- C:\Users\Admin\explore.exe
  "C:\Users\Admin\explore.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4088
- - 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:656

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

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\explore.exe

MD5
e7e6ee6ef97ff797562c91e0ff401ac4

SHA1
d1ec737c87a9c0a91456f1019106b77ee2e03980

SHA256
7eb2de2bfd05ee1e83980aa914486789d2e8f3fb3cc6e166f140302fdaf40cd9

SHA512
1b84af0412dc0afbc19f894d2aec326f0f11c12dc9921ac817dab08415051f841b77aec5ed7bf5b53b0665e68b68ab53392ea731243a4630125fc158b3fd7743

Download Submit
C:\Users\Admin\explore.exe

MD5
e7e6ee6ef97ff797562c91e0ff401ac4

SHA1
d1ec737c87a9c0a91456f1019106b77ee2e03980

SHA256
7eb2de2bfd05ee1e83980aa914486789d2e8f3fb3cc6e166f140302fdaf40cd9

SHA512
1b84af0412dc0afbc19f894d2aec326f0f11c12dc9921ac817dab08415051f841b77aec5ed7bf5b53b0665e68b68ab53392ea731243a4630125fc158b3fd7743

Download Submit
memory/592-2-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/592-8-0x0000000008190000-0x0000000008191000-memory.dmp

Filesize
4KB

Download
memory/592-3-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/592-5-0x00000000057F0000-0x00000000057F1000-memory.dmp

Filesize
4KB

Download
memory/592-7-0x0000000005790000-0x0000000005791000-memory.dmp

Filesize
4KB

Download
memory/592-6-0x00000000030D0000-0x00000000030EE000-memory.dmp

Filesize
120KB

Download
memory/656-30-0x0000000005310000-0x0000000005311000-memory.dmp

Filesize
4KB

Download
memory/656-34-0x0000000005D80000-0x0000000005D81000-memory.dmp

Filesize
4KB

Download
memory/656-32-0x0000000005DE0000-0x0000000005DE1000-memory.dmp

Filesize
4KB

Download
memory/656-28-0x0000000000830000-0x0000000000898000-memory.dmp

Filesize
416KB

Download
memory/656-24-0x000000000046362E-mapping.dmp

Download
memory/656-27-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/760-9-0x0000000000000000-mapping.dmp

Download
memory/2312-10-0x0000000000000000-mapping.dmp

Download
memory/4088-11-0x0000000000000000-mapping.dmp

Download
memory/4088-22-0x000000000B500000-0x000000000B501000-memory.dmp

Filesize
4KB

Download
memory/4088-21-0x0000000008050000-0x000000000805B000-memory.dmp

Filesize
44KB

Download
memory/4088-14-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads