3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c

General

Target

3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
Size

1020KB
MD5

844845c2fe00f78c681383b39a39b3b0
SHA1

fe2651d674537b7bfc2d68728690c85d5b3e304f
SHA256

3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c
SHA512

016ceec213b3fbefc40ce1ba4539361eb57a70c254a1e594e9d597415b2bd623542463c7e0f055b0be284b5b935540b16f85471674d1fc6fabcc9e7af2a93d30
SSDEEP

24576:vItgZkFtNO47JXLz498ubR4+VG6q2/WdZzY8B:gtgZk847mGSR4+VGlLY4

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/928-132-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/928-139-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/4636-142-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral2/memory/4636-143-0x0000000000400000-0x0000000000645000-memory.dmp	upx

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

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe"	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 928 set thread context of 4636	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	83

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = c880f97f73396752e3f09b37d7d669b882d6f4cbfb19f3029ded3b252b495582acde28e63f7733d37b3d49cc9c0a3cc6f2fe7540eff22090334e9dac8df388e9ab8892bb2425f838a73cff79005afe0d68ca8ce7af677f707aa5a9f8869a87f7f4f0707cfc0ef7	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DAZSFtg4P0swbR+qCSqS1b5G2k/OoeQf/IZh2LR/Kk3Rd/7Sac535b0xzAwAm/wmug=="	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 1380	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	81
PID 928 wrote to memory of 1380	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	81
PID 928 wrote to memory of 1380	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	81
PID 928 wrote to memory of 2040	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	82
PID 928 wrote to memory of 2040	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	82
PID 928 wrote to memory of 2040	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	82
PID 928 wrote to memory of 4636	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	83
PID 928 wrote to memory of 4636	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	83
PID 928 wrote to memory of 4636	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	83
PID 928 wrote to memory of 4636	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	83
PID 928 wrote to memory of 4636	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	83
PID 928 wrote to memory of 4636	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	83
PID 928 wrote to memory of 4636	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	83
PID 928 wrote to memory of 4636	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	83
PID 928 wrote to memory of 4636	928	3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe	83

C:\Users\Admin\AppData\Local\Temp\3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
"C:\Users\Admin\AppData\Local\Temp\3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:928
- C:\Users\Admin\AppData\Local\Temp\3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
  C:\Users\Admin\AppData\Local\Temp\3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
  2⤵
  PID:1380
- C:\Users\Admin\AppData\Local\Temp\3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
  C:\Users\Admin\AppData\Local\Temp\3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
  2⤵
  PID:2040
- C:\Users\Admin\AppData\Local\Temp\3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
  C:\Users\Admin\AppData\Local\Temp\3723f7aa0ff93d3f41bf01ad14c8589a4d66f20ac58e8ff5bce4a5d2c6cd4a3c.exe
  2⤵
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  PID:4636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/928-132-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/928-139-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/928-140-0x00000000021F0000-0x00000000021F4000-memory.dmp

Filesize
16KB

Download
memory/4636-136-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4636-138-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4636-141-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4636-142-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4636-143-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads