c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 06:52

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General

Target

c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe
Size

7.3MB
MD5

c8684ee7ce9838120714f400b1a42021
SHA1

9a294842f4d34b59cfb074f36f3a2c261592a20e
SHA256

c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2
SHA512

613ee146df8dc41e7d93fe7948749c888a3a29ce3b4fb37961eda04e207d27924d4a89ba7ee543331e1abdbf778cb14686f18c85f18ed7d49be64bc4b8702dc3
SSDEEP

98304:qvu6o3Rsb0Bs9WZDPu1CESK2YwKRWi7VjlcQu:2sjmTRsQj1u

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2904-14-0x0000000180000000-0x0000000180019000-memory.dmp	upx
behavioral1/memory/2904-7-0x0000000180000000-0x0000000180019000-memory.dmp	upx
behavioral1/memory/2904-4-0x0000000180000000-0x0000000180019000-memory.dmp	upx
behavioral1/memory/2904-3-0x0000000180000000-0x0000000180019000-memory.dmp	upx
behavioral1/memory/2904-0-0x0000000180000000-0x0000000180019000-memory.dmp	upx

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2272 set thread context of 2276	2272	XXEmulator.exe	31
PID 860 set thread context of 2608	860	svchost.exe	35
PID 2608 set thread context of 1000	2608	svchost.exe	36

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\appcompat\programs\RecentFileCache.bcf	svchost.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CENTRALPROCESSOR\0\~MHZ	svchost.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum 64-bit\Version = "7"	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 64-bit	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie	svchost.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum 64-bit	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2904	c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe
2904	c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe
2904	c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe
2272	XXEmulator.exe
2272	XXEmulator.exe
2272	XXEmulator.exe
2276	svchost.exe
2276	svchost.exe
2880	XXEmulator.exe
2880	XXEmulator.exe
2880	XXEmulator.exe
860	svchost.exe
860	svchost.exe
2608	svchost.exe
1000	dllhost.exe
1000	dllhost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
1000	dllhost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe
2608	svchost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	svchost.exe
Token: SeTcbPrivilege	2276	svchost.exe
Token: SeAuditPrivilege	860	svchost.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 1256	2904	c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe	20
PID 2904 wrote to memory of 1256	2904	c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe	20
PID 2904 wrote to memory of 1256	2904	c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe	20
PID 2904 wrote to memory of 1256	2904	c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe	20
PID 2904 wrote to memory of 1256	2904	c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe	20
PID 2272 wrote to memory of 2276	2272	XXEmulator.exe	31
PID 2272 wrote to memory of 2276	2272	XXEmulator.exe	31
PID 2272 wrote to memory of 2276	2272	XXEmulator.exe	31
PID 2272 wrote to memory of 2276	2272	XXEmulator.exe	31
PID 2272 wrote to memory of 2276	2272	XXEmulator.exe	31
PID 2272 wrote to memory of 2276	2272	XXEmulator.exe	31
PID 3000 wrote to memory of 2880	3000	taskeng.exe	33
PID 3000 wrote to memory of 2880	3000	taskeng.exe	33
PID 3000 wrote to memory of 2880	3000	taskeng.exe	33
PID 2880 wrote to memory of 860	2880	XXEmulator.exe	13
PID 2880 wrote to memory of 860	2880	XXEmulator.exe	13
PID 2880 wrote to memory of 860	2880	XXEmulator.exe	13
PID 860 wrote to memory of 2608	860	svchost.exe	35
PID 860 wrote to memory of 2608	860	svchost.exe	35
PID 860 wrote to memory of 2608	860	svchost.exe	35
PID 860 wrote to memory of 2608	860	svchost.exe	35
PID 860 wrote to memory of 2608	860	svchost.exe	35
PID 860 wrote to memory of 2608	860	svchost.exe	35
PID 2608 wrote to memory of 1000	2608	svchost.exe	36
PID 2608 wrote to memory of 1000	2608	svchost.exe	36
PID 2608 wrote to memory of 1000	2608	svchost.exe	36
PID 2608 wrote to memory of 1000	2608	svchost.exe	36
PID 2608 wrote to memory of 1000	2608	svchost.exe	36
PID 2608 wrote to memory of 1000	2608	svchost.exe	36

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\system32\taskeng.exe
  taskeng.exe {5B599019-CEC4-4D8A-A5AA-793DFE68DEE2} S-1-5-18:NT AUTHORITY\System:Service:
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Program Files\Windows Mail\XXEmulator.exe
    "C:\Program Files\Windows Mail\XXEmulator.exe" -svc
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2880
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  - Suspicious use of SetThreadContext
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\system32\dllhost.exe
    C:\Windows\system32\dllhost.exe /Processid:{F8284233-48F4-4680-ADDD-F8284233}
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1000

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256
- C:\Users\Admin\AppData\Local\Temp\c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe
  "C:\Users\Admin\AppData\Local\Temp\c692b403c37b6e1627c1de6282e7244f8d22fe9422d0a98ed0e81b449486d5f2.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2904
- C:\Users\Admin\AppData\Local\Temp\XXEmulator.exe
  "C:\Users\Admin\AppData\Local\Temp\XXEmulator.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2272
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -Install
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/860-46-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

Filesize
4KB

Download
memory/1000-75-0x0000000000050000-0x0000000000051000-memory.dmp

Filesize
4KB

Download
memory/1256-16-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/1256-9-0x0000000003D60000-0x0000000003E0F000-memory.dmp

Filesize
700KB

Download
memory/1256-8-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/1256-15-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/2272-22-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2272-28-0x0000000077911000-0x0000000077A12000-memory.dmp

Filesize
1.0MB

Download
memory/2272-18-0x0000000180000000-0x0000000180068000-memory.dmp

Filesize
416KB

Download
memory/2276-34-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2276-26-0x0000000000060000-0x0000000000061000-memory.dmp

Filesize
4KB

Download
memory/2276-23-0x0000000000070000-0x00000000000D5000-memory.dmp

Filesize
404KB

Download
memory/2276-35-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2276-33-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2608-65-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2880-49-0x000007FEFB600000-0x000007FEFB61A000-memory.dmp

Filesize
104KB

Download
memory/2880-40-0x0000000077910000-0x0000000077AB9000-memory.dmp

Filesize
1.7MB

Download
memory/2904-14-0x0000000180000000-0x0000000180019000-memory.dmp

Filesize
100KB

Download
memory/2904-17-0x0000000002880000-0x0000000002930000-memory.dmp

Filesize
704KB

Download
memory/2904-3-0x0000000180000000-0x0000000180019000-memory.dmp

Filesize
100KB

Download
memory/2904-6-0x0000000002880000-0x0000000002930000-memory.dmp

Filesize
704KB

Download
memory/2904-4-0x0000000180000000-0x0000000180019000-memory.dmp

Filesize
100KB

Download
memory/2904-0-0x0000000180000000-0x0000000180019000-memory.dmp

Filesize
100KB

Download
memory/2904-7-0x0000000180000000-0x0000000180019000-memory.dmp

Filesize
100KB

Download