1727f053b510b8de505a6f8ca1f7a7214ca1525e556a600ca890af00eccae81d

General

Target

宝妈做任务单被骗27万聊天记录曝光.com.exe
Size

820KB
MD5

11985a5f1baa69c64d43dd67eee3b95f
SHA1

a579cc38d40fbc39d9d14d4b290cdeec433b0c45
SHA256

8f83e16612f5fd5db6d74da7a9de542becd19a52b3916380235c32adbf50ee7e
SHA512

d40113b6b467d7b3890be76dd34d831e7141171e3253c6d724e9e92b4138dfb93af7bfa336a240e25a333546860dab856b9942c95b4fbfd8ca55dd79696ba2ce

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

lsassa.exelsassa.exe

pid process

1400 lsassa.exe
1384 lsassa.exe

pid	process
1400	lsassa.exe
1384	lsassa.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1384-61-0x0000000000400000-0x0000000000534000-memory.dmp	upx
behavioral1/memory/1384-64-0x0000000000400000-0x0000000000534000-memory.dmp	upx
behavioral1/memory/1384-66-0x0000000000400000-0x0000000000534000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

宝妈做任务单被骗27万聊天记录曝光.com.exe

pid process

976 宝妈做任务单被骗27万聊天记录曝光.com.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

宝妈做任务单被骗27万聊天记录曝光.com.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	宝妈做任务单被骗27万聊天记录曝光.com.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\googleÉý¼¶ = "C:\\Windows\\system32\\lsassa.exe"	宝妈做任务单被骗27万聊天记录曝光.com.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

lsassa.exe

description	ioc	process
File opened (read-only)	\??\G:	lsassa.exe
File opened (read-only)	\??\L:	lsassa.exe
File opened (read-only)	\??\M:	lsassa.exe
File opened (read-only)	\??\U:	lsassa.exe
File opened (read-only)	\??\V:	lsassa.exe
File opened (read-only)	\??\Z:	lsassa.exe
File opened (read-only)	\??\J:	lsassa.exe
File opened (read-only)	\??\O:	lsassa.exe
File opened (read-only)	\??\Q:	lsassa.exe
File opened (read-only)	\??\F:	lsassa.exe
File opened (read-only)	\??\I:	lsassa.exe
File opened (read-only)	\??\K:	lsassa.exe
File opened (read-only)	\??\P:	lsassa.exe
File opened (read-only)	\??\R:	lsassa.exe
File opened (read-only)	\??\T:	lsassa.exe
File opened (read-only)	\??\X:	lsassa.exe
File opened (read-only)	\??\Y:	lsassa.exe
File opened (read-only)	\??\B:	lsassa.exe
File opened (read-only)	\??\E:	lsassa.exe
File opened (read-only)	\??\H:	lsassa.exe
File opened (read-only)	\??\N:	lsassa.exe
File opened (read-only)	\??\S:	lsassa.exe
File opened (read-only)	\??\W:	lsassa.exe

Drops file in System32 directory 2 IoCs

Processes:

宝妈做任务单被骗27万聊天记录曝光.com.exe

description	ioc	process
File created	C:\Windows\SysWOW64\md5.png	宝妈做任务单被骗27万聊天记录曝光.com.exe
File created	C:\Windows\SysWOW64\lsassa.exe	宝妈做任务单被骗27万聊天记录曝光.com.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

lsassa.exe

description pid process target process

PID 1400 set thread context of 1384 1400 lsassa.exe lsassa.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1400 set thread context of 1384	1400	lsassa.exe	lsassa.exe

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

Processes:

lsassa.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	lsassa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	lsassa.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

宝妈做任务单被骗27万聊天记录曝光.com.exelsassa.exe

pid	process
976	宝妈做任务单被骗27万聊天记录曝光.com.exe
976	宝妈做任务单被骗27万聊天记录曝光.com.exe
976	宝妈做任务单被骗27万聊天记录曝光.com.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe
1384	lsassa.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

lsassa.exe

description	pid	process
Token: 33	1384	lsassa.exe
Token: SeIncBasePriorityPrivilege	1384	lsassa.exe
Token: 33	1384	lsassa.exe
Token: SeIncBasePriorityPrivilege	1384	lsassa.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

宝妈做任务单被骗27万聊天记录曝光.com.exe

pid process

976 宝妈做任务单被骗27万聊天记录曝光.com.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

宝妈做任务单被骗27万聊天记录曝光.com.exelsassa.exe

description	pid	process	target process
PID 976 wrote to memory of 1400	976	宝妈做任务单被骗27万聊天记录曝光.com.exe	lsassa.exe
PID 976 wrote to memory of 1400	976	宝妈做任务单被骗27万聊天记录曝光.com.exe	lsassa.exe
PID 976 wrote to memory of 1400	976	宝妈做任务单被骗27万聊天记录曝光.com.exe	lsassa.exe
PID 976 wrote to memory of 1400	976	宝妈做任务单被骗27万聊天记录曝光.com.exe	lsassa.exe
PID 1400 wrote to memory of 1384	1400	lsassa.exe	lsassa.exe
PID 1400 wrote to memory of 1384	1400	lsassa.exe	lsassa.exe
PID 1400 wrote to memory of 1384	1400	lsassa.exe	lsassa.exe
PID 1400 wrote to memory of 1384	1400	lsassa.exe	lsassa.exe
PID 1400 wrote to memory of 1384	1400	lsassa.exe	lsassa.exe
PID 1400 wrote to memory of 1384	1400	lsassa.exe	lsassa.exe

C:\Users\Admin\AppData\Local\Temp\宝妈做任务单被骗27万聊天记录曝光.com.exe
"C:\Users\Admin\AppData\Local\Temp\宝妈做任务单被骗27万聊天记录曝光.com.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:976

C:\Windows\SysWOW64\lsassa.exe
"C:\Windows\system32\lsassa.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\lsassa.exe
C:\Windows\SysWOW64\lsassa.exe
3⤵
- Executes dropped EXE
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1384

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\lsassa.exe
MD5
9a407574432270a19ec46ddf1c6dbe5d

SHA1
e38e2827a57dc2ebd37acb6a62aa11c46f242ef5

SHA256
f911f21b819fe3de51f8f880abb7a7a921e38fdf5618462f8a5ff2feca2f4800

SHA512
6401f5386a0b944e606fa1fd194a5f22bc83b102abdb04324be5a7a5fed7161a7a8a8fb90306a556c6922200f5558a3434cf72fecdecc5eae156db667059f5c6

Download Submit
C:\Windows\SysWOW64\lsassa.exe
MD5
9a407574432270a19ec46ddf1c6dbe5d

SHA1
e38e2827a57dc2ebd37acb6a62aa11c46f242ef5

SHA256
f911f21b819fe3de51f8f880abb7a7a921e38fdf5618462f8a5ff2feca2f4800

SHA512
6401f5386a0b944e606fa1fd194a5f22bc83b102abdb04324be5a7a5fed7161a7a8a8fb90306a556c6922200f5558a3434cf72fecdecc5eae156db667059f5c6

Download Submit
C:\Windows\SysWOW64\md5.png
MD5
047bbdd42c244b7aa2c15d48fff96a29

SHA1
e658b8abebb77ee1d8d3458f314a226d56d0f9b8

SHA256
f9cfa36f4bde6457ea5138f4ded1ba18d05e31950c3de119e25e540c3dc5efcf

SHA512
e37e64d5ef56799b3982e7dcb6c18270d9301859afa8b4ecf6a48d399168b061f0ab99b84cbb77e0b50dfc93802595f052202447d4a971afb56a3296c70fc8c5

Download Submit
\Windows\SysWOW64\lsassa.exe
MD5
9a407574432270a19ec46ddf1c6dbe5d

SHA1
e38e2827a57dc2ebd37acb6a62aa11c46f242ef5

SHA256
f911f21b819fe3de51f8f880abb7a7a921e38fdf5618462f8a5ff2feca2f4800

SHA512
6401f5386a0b944e606fa1fd194a5f22bc83b102abdb04324be5a7a5fed7161a7a8a8fb90306a556c6922200f5558a3434cf72fecdecc5eae156db667059f5c6

Download Submit
memory/976-55-0x0000000076341000-0x0000000076343000-memory.dmp

Filesize
8KB

Download
memory/1384-61-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/1384-62-0x0000000000530D30-mapping.dmp

Download
memory/1384-64-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/1384-60-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/1384-66-0x0000000000400000-0x0000000000534000-memory.dmp

Filesize
1.2MB

Download
memory/1384-69-0x0000000010099000-0x00000000100B4000-memory.dmp

Filesize
108KB

Download
memory/1384-71-0x0000000010183000-0x0000000010187000-memory.dmp

Filesize
16KB

Download
memory/1384-70-0x00000000100B4000-0x00000000100F6000-memory.dmp

Filesize
264KB

Download
memory/1384-68-0x0000000010096000-0x0000000010099000-memory.dmp

Filesize
12KB

Download
memory/1384-67-0x0000000010001000-0x0000000010096000-memory.dmp

Filesize
596KB

Download
memory/1400-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads