phemedrone | 2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696

General

Target

2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe
Size

4.1MB
MD5

66d470662b00625bdd142c6dbc43888a
SHA1

b26f70d765d664c9daf307bc89767e6ab8aa41d4
SHA256

2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696
SHA512

1c59784050f00b84693bbd9985761c605b20e38753da394eaf20b12a296e8a13a416b0949cd4d1de3f80859277b5bf15c260297ce93e42fd188764c9db966013
SSDEEP

49152:TmLt5d3214AmqYoh8yBUtYTL0VhgFhFO47t+l06ungLU:QfTFNgLsA7

Score

10^/10

phemedrone stealer

Malware Config

Extracted

Family

phemedrone

C2

10.5.0.2

Signatures

Phemedrone
An information and wallet stealer written in C#.
stealer phemedrone

Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs

resource	yara_rule
behavioral2/memory/2280-0-0x0000000000400000-0x0000000000424000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral2/memory/2280-3-0x0000000005840000-0x0000000005850000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs

resource	yara_rule
behavioral2/memory/2280-0-0x0000000000400000-0x0000000000424000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral2/memory/2280-3-0x0000000005840000-0x0000000005850000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

resource	yara_rule
behavioral2/memory/2280-0-0x0000000000400000-0x0000000000424000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Looks up external IP address via web service 1 IoCs

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

flow	ioc
6	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3308 set thread context of 2280	3308	2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe	86

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	CasPol.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	CasPol.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000_Classes\ms-settings\shell\open\command	CasPol.exe
Key created	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000_Classes\ms-settings	CasPol.exe
Key created	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000_Classes\ms-settings\shell	CasPol.exe
Key created	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000_Classes\ms-settings\shell\open	CasPol.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000_Classes\ms-settings\shell\open\command\	CasPol.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe
2280	CasPol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	CasPol.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 2280	3308	2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe	86
PID 3308 wrote to memory of 2280	3308	2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe	86
PID 3308 wrote to memory of 2280	3308	2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe	86
PID 3308 wrote to memory of 2280	3308	2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe	86
PID 3308 wrote to memory of 2280	3308	2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe	86
PID 3308 wrote to memory of 2280	3308	2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe	86
PID 3308 wrote to memory of 2280	3308	2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe	86
PID 3308 wrote to memory of 2280	3308	2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe	86

C:\Users\Admin\AppData\Local\Temp\2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe
"C:\Users\Admin\AppData\Local\Temp\2536fc6f1a41811f182aa3cd922e880835468ef10ef8bd50cc6a1c180c080696.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3308
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - Checks processor information in registry
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2280

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:4652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2280-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2280-1-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2280-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/2280-3-0x0000000005840000-0x0000000005850000-memory.dmp

Filesize
64KB

Download
memory/2280-5-0x00000000068B0000-0x0000000006942000-memory.dmp

Filesize
584KB

Download
memory/2280-4-0x00000000065A0000-0x0000000006606000-memory.dmp

Filesize
408KB

Download
memory/2280-6-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2280-7-0x0000000005840000-0x0000000005850000-memory.dmp

Filesize
64KB

Download

Analysis

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