a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f

General

Target

a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
Size

1.0MB
MD5

20fd5d3472b2a0a8377caf96cddbf691
SHA1

f746e0d9a842539af9f741a4ef99ec29ff8b228a
SHA256

a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f
SHA512

38f911237ee96b2965cbb9290af0a8cce388ab597e91d9b3bcedd3cab10f314a696da2fd1d4324fc3abe8235c98b0e185b7d4078901033a49600cfe4752b361c
SSDEEP

24576:99JkgAqqXTVoK9NBINnX2oe4gySz3GkBVCt:LXAr9NAHoWkyt

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1572-143-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral2/memory/1572-144-0x0000000000400000-0x0000000000645000-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	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe"	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.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 1548 set thread context of 1572	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	82

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = c880f97f73ccdd6403cca0aaf7f6c567e288e2fc9e52aed4600024aa1074bf30f9abfdc7a12db71616f2f26d25085dbe226bb98aaffa6b45ebcf3115cf0ae55879554b9b15b9e5ad66b8930b1a2ed63320deed53a3677f1178cd0a611a6d16ba7966eff6454643	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DG2qRCVBz4C/lAYwt848pHUXZX9jpDpbB2wrX7Coxamhdo0Lgcu4Be6u5stI3g25vQ=="	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 3688	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	80
PID 1548 wrote to memory of 3688	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	80
PID 1548 wrote to memory of 3688	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	80
PID 1548 wrote to memory of 1620	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	81
PID 1548 wrote to memory of 1620	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	81
PID 1548 wrote to memory of 1620	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	81
PID 1548 wrote to memory of 1572	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	82
PID 1548 wrote to memory of 1572	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	82
PID 1548 wrote to memory of 1572	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	82
PID 1548 wrote to memory of 1572	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	82
PID 1548 wrote to memory of 1572	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	82
PID 1548 wrote to memory of 1572	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	82
PID 1548 wrote to memory of 1572	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	82
PID 1548 wrote to memory of 1572	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	82
PID 1548 wrote to memory of 1572	1548	a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe	82

C:\Users\Admin\AppData\Local\Temp\a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
"C:\Users\Admin\AppData\Local\Temp\a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Local\Temp\a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
  "C:\Users\Admin\AppData\Local\Temp\a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe"
  2⤵
  PID:3688
- C:\Users\Admin\AppData\Local\Temp\a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
  "C:\Users\Admin\AppData\Local\Temp\a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe"
  2⤵
  PID:1620
- C:\Users\Admin\AppData\Local\Temp\a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe
  "C:\Users\Admin\AppData\Local\Temp\a54ac7db28f87cefb993f33acccf35b533802f3a86ad9262c2dc2e2507728e2f.exe"
  2⤵
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  PID:1572

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/1548-139-0x00000000011D0000-0x00000000011D4000-memory.dmp

Filesize
16KB

Download
memory/1572-138-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/1572-141-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/1572-142-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/1572-143-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/1572-144-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads