9b470c80e4e68217a5b3efe2e6bb3d34d988b1fcaa34105e4b7ae5b1006e4557

General

Target

2523464fb225cad5bfec48c4a53c5bd3.exe
Size

165KB
MD5

2523464fb225cad5bfec48c4a53c5bd3
SHA1

bb6909667ecea674fc111ee1e4033c4db5b9ad75
SHA256

9b470c80e4e68217a5b3efe2e6bb3d34d988b1fcaa34105e4b7ae5b1006e4557
SHA512

75d21ee592b84e2d4989f142dfa78f25b2fccf862323dcb1c34c2f015e1e00fbafd6564daf81ee86ea498ffcebc4a568a87c95d8c40b799c041c6a45cce7ed75
SSDEEP

3072:YvSPEflpaJPK6ZNWpfTuLGTg8M86qSyUujoBVbFNpFrKvpTI:+SPEflcPjSpKLtsJjyVbFNmx

Score

10^/10

persistence spyware stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\ACFAB\\CBEAF.exe"	2523464fb225cad5bfec48c4a53c5bd3.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
T1552.001

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2208-1-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2208-14-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2208-135-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2208-315-0x0000000000400000-0x0000000000491000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2688	2700	WerFault.exe	28
2544	1684	WerFault.exe	31

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2700	2208	2523464fb225cad5bfec48c4a53c5bd3.exe	28
PID 2208 wrote to memory of 2700	2208	2523464fb225cad5bfec48c4a53c5bd3.exe	28
PID 2208 wrote to memory of 2700	2208	2523464fb225cad5bfec48c4a53c5bd3.exe	28
PID 2208 wrote to memory of 2700	2208	2523464fb225cad5bfec48c4a53c5bd3.exe	28
PID 2700 wrote to memory of 2688	2700	2523464fb225cad5bfec48c4a53c5bd3.exe	30
PID 2700 wrote to memory of 2688	2700	2523464fb225cad5bfec48c4a53c5bd3.exe	30
PID 2700 wrote to memory of 2688	2700	2523464fb225cad5bfec48c4a53c5bd3.exe	30
PID 2700 wrote to memory of 2688	2700	2523464fb225cad5bfec48c4a53c5bd3.exe	30
PID 2208 wrote to memory of 1684	2208	2523464fb225cad5bfec48c4a53c5bd3.exe	31
PID 2208 wrote to memory of 1684	2208	2523464fb225cad5bfec48c4a53c5bd3.exe	31
PID 2208 wrote to memory of 1684	2208	2523464fb225cad5bfec48c4a53c5bd3.exe	31
PID 2208 wrote to memory of 1684	2208	2523464fb225cad5bfec48c4a53c5bd3.exe	31
PID 1684 wrote to memory of 2544	1684	2523464fb225cad5bfec48c4a53c5bd3.exe	32
PID 1684 wrote to memory of 2544	1684	2523464fb225cad5bfec48c4a53c5bd3.exe	32
PID 1684 wrote to memory of 2544	1684	2523464fb225cad5bfec48c4a53c5bd3.exe	32
PID 1684 wrote to memory of 2544	1684	2523464fb225cad5bfec48c4a53c5bd3.exe	32

C:\Users\Admin\AppData\Local\Temp\2523464fb225cad5bfec48c4a53c5bd3.exe
"C:\Users\Admin\AppData\Local\Temp\2523464fb225cad5bfec48c4a53c5bd3.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\2523464fb225cad5bfec48c4a53c5bd3.exe
  C:\Users\Admin\AppData\Local\Temp\2523464fb225cad5bfec48c4a53c5bd3.exe startC:\Program Files (x86)\LP\AFAA\F1D.exe%C:\Program Files (x86)\LP\AFAA
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 176
    3⤵
    - Program crash
    PID:2688
- C:\Users\Admin\AppData\Local\Temp\2523464fb225cad5bfec48c4a53c5bd3.exe
  C:\Users\Admin\AppData\Local\Temp\2523464fb225cad5bfec48c4a53c5bd3.exe startC:\Program Files (x86)\AB1EC\lvvm.exe%C:\Program Files (x86)\AB1EC
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 176
    3⤵
    - Program crash
    PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ACFAB\B1EC.CFA

Filesize
996B

MD5
ac28ae4295a9f539f4403c2d5a70c560

SHA1
51b3d462aa1463fa2960da229c30a294aa60f1f3

SHA256
eb8c205413537276faea758b0f690a279420efe3ab5b34d595723054a5bfb029

SHA512
9e31629f5db9e532268e81fdefe6245807ff77ac1fbc3ffcaf256d7911f2874f496425abbf2c71d06fccf29c9a055514cde029ec871f5b631ade861594a91240

Download Submit
C:\Users\Admin\AppData\Roaming\ACFAB\B1EC.CFA

Filesize
600B

MD5
498f3f20925dbbf613b795c5799a44d4

SHA1
1431fc4efd0d1e57403906608f9691aeddf633bd

SHA256
d9139826825289acea878d706e79685edd9521cc3e4b608e16239a53b35fd468

SHA512
bf065afc65198685a22939cc6db70cb267db317fc220c9c8a9f7d9ea2628689f628bbbbc6d3ecfcd982b4829c1b6f3d57458f1b85216a82f9b77dd9da9b3788e

Download Submit
C:\Users\Admin\AppData\Roaming\ACFAB\B1EC.CFA

Filesize
1KB

MD5
11faeea5689327a2f7fd27914ab8bef0

SHA1
7f85ce445ca9fd030a94b040f49dd18d53f530b2

SHA256
a041a79f7eb1002fb6d6bb8ec076264bb509fd843f2e58bb3f7f00de490b1b52

SHA512
cbf1ab5befde85c0a863074a9b767f412d5dcaad2807eb715fbf0074898031c7612db0acc039de5e8ab54c13b5316b5da85ed75dbe3d7e0a38f1ef41d575f3bf

Download Submit
memory/1684-136-0x0000000001D70000-0x0000000001E70000-memory.dmp

Filesize
1024KB

Download
memory/1684-262-0x0000000001D70000-0x0000000001E70000-memory.dmp

Filesize
1024KB

Download
memory/2208-1-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2208-2-0x00000000004A0000-0x00000000005A0000-memory.dmp

Filesize
1024KB

Download
memory/2208-14-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2208-135-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2208-315-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2700-12-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2700-13-0x0000000001C10000-0x0000000001D10000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads