latentbot | 3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41

General

Target

3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe
Size

604KB
MD5

65317c7fbc650185c0fd0c30c888614b
SHA1

7366e46afd22277e417e919de799b26d307acd55
SHA256

3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41
SHA512

4b4a235cf7f0d6ef454e5a630cf88dad92f86bc06d0ab89382e5232ba15556643121c8a4f88af8f97a8427f43f7a08b8a0280d950263f2a7f7f6d67cf42a92c7
SSDEEP

12288:bXw/y8pjSviakCjnZlr1PuUaK0ohPV/gKwUnvuFTDtxWdMVV:Mqniak2nZlrYUarohPVGUnvuFTDtx2MP

Score

10^/10

latentbot discovery persistence trojan upx

Malware Config

Extracted

Family

latentbot

C2

chinaiscool.zapto.org

Signatures

LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot
Latentbot family
latentbot

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

iexplore.exeiexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mks = "C:\\Users\\Admin\\AppData\\Roaming\\mks\\mks.exe"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mks = "C:\\Users\\Admin\\AppData\\Roaming\\mks\\mks.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe

description	pid	process	target process
PID 1256 set thread context of 4228	1256	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4228-5-0x0000000013140000-0x0000000013B8D000-memory.dmp	upx
behavioral2/memory/4228-7-0x0000000013140000-0x0000000013B8D000-memory.dmp	upx
behavioral2/memory/4228-9-0x0000000013140000-0x0000000013B8D000-memory.dmp	upx
behavioral2/memory/4228-8-0x0000000013140000-0x0000000013B8D000-memory.dmp	upx
behavioral2/memory/4228-12-0x0000000013140000-0x0000000013B8D000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

iexplore.exeiexplore.exeiexplore.exe3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe

description	pid	process	target process
PID 1256 wrote to memory of 4228	1256	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe
PID 1256 wrote to memory of 4228	1256	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe
PID 1256 wrote to memory of 4228	1256	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe
PID 1256 wrote to memory of 4228	1256	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe
PID 1256 wrote to memory of 4228	1256	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe
PID 4228 wrote to memory of 4232	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 4232	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 4232	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 4232	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 920	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 920	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 920	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 920	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 4676	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 4676	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 4676	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe
PID 4228 wrote to memory of 4676	4228	3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe	iexplore.exe

C:\Users\Admin\AppData\Local\Temp\3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe
"C:\Users\Admin\AppData\Local\Temp\3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe
  "C:\Users\Admin\AppData\Local\Temp\3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4228
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4232
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:920
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:4676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\mks\mks.exe

Filesize
604KB

MD5
65317c7fbc650185c0fd0c30c888614b

SHA1
7366e46afd22277e417e919de799b26d307acd55

SHA256
3e11d0e40891aca81299fdab4f0ef7d58fcae751a056657d78545243f6b8fd41

SHA512
4b4a235cf7f0d6ef454e5a630cf88dad92f86bc06d0ab89382e5232ba15556643121c8a4f88af8f97a8427f43f7a08b8a0280d950263f2a7f7f6d67cf42a92c7

Download Submit
memory/1256-0-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/1256-2-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/1256-1-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1256-10-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1256-11-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4228-5-0x0000000013140000-0x0000000013B8D000-memory.dmp

Filesize
10.3MB

Download
memory/4228-7-0x0000000013140000-0x0000000013B8D000-memory.dmp

Filesize
10.3MB

Download
memory/4228-9-0x0000000013140000-0x0000000013B8D000-memory.dmp

Filesize
10.3MB

Download
memory/4228-8-0x0000000013140000-0x0000000013B8D000-memory.dmp

Filesize
10.3MB

Download
memory/4228-12-0x0000000013140000-0x0000000013B8D000-memory.dmp

Filesize
10.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads