92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c

General

Target

92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe
Size

5.7MB
MD5

c663205fd55310fb210f9115f6d9aae5
SHA1

2620358f323d97232b1ab9e492b5719c52f9134b
SHA256

92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c
SHA512

cc7c4633742ddbbdaffad87558501310baed41f6fd6ad1130fb8118ac692e171a94434184518f9fe1c6e029325ca10aa9a053e23097e27f466a3c9a57a57b0f5
SSDEEP

98304:D4Ajz7ydfMhjI6NfgXtAP44R8qLf3gbz2FSmaI7dl0uy:kY3yGjISNQbz2FSmaI7dlO

Score

9^/10

upx

Malware Config

Signatures

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

resource	yara_rule
behavioral2/memory/4388-5-0x0000000000F90000-0x0000000001533000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral2/memory/4388-6-0x0000000000F90000-0x0000000001533000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral2/memory/4388-10-0x0000000000F90000-0x0000000001533000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral2/memory/4388-17-0x0000000000F90000-0x0000000001533000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral2/memory/4388-18-0x0000000000F90000-0x0000000001533000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables containing SQL queries to confidential data stores. Observed in infostealers 5 IoCs

resource	yara_rule
behavioral2/memory/4388-5-0x0000000000F90000-0x0000000001533000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
behavioral2/memory/4388-6-0x0000000000F90000-0x0000000001533000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
behavioral2/memory/4388-10-0x0000000000F90000-0x0000000001533000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
behavioral2/memory/4388-17-0x0000000000F90000-0x0000000001533000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
behavioral2/memory/4388-18-0x0000000000F90000-0x0000000001533000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/files/0x001c00000001e97e-1.dat	UPX
behavioral2/memory/4388-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4388-20-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x001c00000001e97e-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
4388	92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x001c00000001e97e-1.dat	upx
behavioral2/memory/4388-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4388-20-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 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

description	ioc	Process
File opened (read-only)	\??\e:	92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1216	4388	WerFault.exe	83
3612	4388	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4388	92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe
4388	92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4388	92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe
Token: SeRestorePrivilege	4388	92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4388	92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe

C:\Users\Admin\AppData\Local\Temp\92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe
"C:\Users\Admin\AppData\Local\Temp\92a3b380c918e7e904a0ccb099497200e65dbf3870291be239684db3f7653e7c.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 1672
  2⤵
  - Program crash
  PID:1216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 1676
  2⤵
  - Program crash
  PID:3612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4388 -ip 4388
1⤵
PID:5104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4388 -ip 4388
1⤵
PID:1688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/4388-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4388-5-0x0000000000F90000-0x0000000001533000-memory.dmp

Filesize
5.6MB

Download
memory/4388-6-0x0000000000F90000-0x0000000001533000-memory.dmp

Filesize
5.6MB

Download
memory/4388-10-0x0000000000F90000-0x0000000001533000-memory.dmp

Filesize
5.6MB

Download
memory/4388-13-0x0000000076AE0000-0x0000000076B43000-memory.dmp

Filesize
396KB

Download
memory/4388-16-0x0000000076AE0000-0x0000000076B43000-memory.dmp

Filesize
396KB

Download
memory/4388-17-0x0000000000F90000-0x0000000001533000-memory.dmp

Filesize
5.6MB

Download
memory/4388-18-0x0000000000F90000-0x0000000001533000-memory.dmp

Filesize
5.6MB

Download
memory/4388-20-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download

Analysis

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