tofsee | ae5169a9295d294594533c5cce04ff557eddeea30963e2eb81f5df6cdb6304cd

General

Target

edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
Size

212KB
MD5

edfdef59f92fee006518e57f2f8f01b8
SHA1

3b8065cd942b517b402af0cc93f41c0dfdd5dd15
SHA256

ae5169a9295d294594533c5cce04ff557eddeea30963e2eb81f5df6cdb6304cd
SHA512

f3b78c90f28047c6a8ac97a25fce50a002b718b451eb5c66edf39cd4a510dd3d95f652a1839b3c41d07033e00ca6d76ec41d2b6b01532430c6d80cbfbd62ff07
SSDEEP

3072:3d09mZ3vD7RpNh8xvv5z2LizudUfgF8qNO5GM5aEADQbkt/KyJh045Fmxb5k6Toc:3d09mVr7RLh8p5z2OCdULWvDTJle98c

Score

10^/10

tofsee discovery persistence trojan

Malware Config

Extracted

Family

tofsee

C2

94.75.255.140

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2544 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

jimhq.exejimhq.exe

pid process

2684 jimhq.exe
1968 jimhq.exe
Loads dropped DLL 3 IoCs

Processes:

edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exejimhq.exe

pid process

2380 edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
2380 edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
2684 jimhq.exe

pid	process
2544	cmd.exe

pid	process
2684	jimhq.exe
1968	jimhq.exe

pid	process
2380	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
2380	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
2684	jimhq.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\jimhq.exe\" /r"	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exejimhq.exejimhq.exe

description	pid	process	target process
PID 2068 set thread context of 2380	2068	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
PID 2684 set thread context of 1968	2684	jimhq.exe	jimhq.exe
PID 1968 set thread context of 2564	1968	jimhq.exe	svchost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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:

edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exejimhq.exejimhq.execmd.exesvchost.exeedfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jimhq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jimhq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exeedfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exejimhq.exejimhq.exe

description	pid	process	target process
PID 2068 wrote to memory of 2380	2068	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
PID 2068 wrote to memory of 2380	2068	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
PID 2068 wrote to memory of 2380	2068	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
PID 2068 wrote to memory of 2380	2068	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
PID 2068 wrote to memory of 2380	2068	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
PID 2068 wrote to memory of 2380	2068	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
PID 2068 wrote to memory of 2380	2068	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
PID 2068 wrote to memory of 2380	2068	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
PID 2068 wrote to memory of 2380	2068	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
PID 2380 wrote to memory of 2684	2380	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	jimhq.exe
PID 2380 wrote to memory of 2684	2380	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	jimhq.exe
PID 2380 wrote to memory of 2684	2380	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	jimhq.exe
PID 2380 wrote to memory of 2684	2380	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	jimhq.exe
PID 2684 wrote to memory of 1968	2684	jimhq.exe	jimhq.exe
PID 2684 wrote to memory of 1968	2684	jimhq.exe	jimhq.exe
PID 2684 wrote to memory of 1968	2684	jimhq.exe	jimhq.exe
PID 2684 wrote to memory of 1968	2684	jimhq.exe	jimhq.exe
PID 2684 wrote to memory of 1968	2684	jimhq.exe	jimhq.exe
PID 2684 wrote to memory of 1968	2684	jimhq.exe	jimhq.exe
PID 2684 wrote to memory of 1968	2684	jimhq.exe	jimhq.exe
PID 2684 wrote to memory of 1968	2684	jimhq.exe	jimhq.exe
PID 2684 wrote to memory of 1968	2684	jimhq.exe	jimhq.exe
PID 2380 wrote to memory of 2544	2380	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	cmd.exe
PID 2380 wrote to memory of 2544	2380	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	cmd.exe
PID 2380 wrote to memory of 2544	2380	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	cmd.exe
PID 2380 wrote to memory of 2544	2380	edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe	cmd.exe
PID 1968 wrote to memory of 2564	1968	jimhq.exe	svchost.exe
PID 1968 wrote to memory of 2564	1968	jimhq.exe	svchost.exe
PID 1968 wrote to memory of 2564	1968	jimhq.exe	svchost.exe
PID 1968 wrote to memory of 2564	1968	jimhq.exe	svchost.exe
PID 1968 wrote to memory of 2564	1968	jimhq.exe	svchost.exe
PID 1968 wrote to memory of 2564	1968	jimhq.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068

C:\Users\Admin\AppData\Local\Temp\edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edfdef59f92fee006518e57f2f8f01b8_JaffaCakes118.exe"
2⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380

C:\Users\Admin\jimhq.exe
"C:\Users\Admin\jimhq.exe" /r
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684

C:\Users\Admin\jimhq.exe
"C:\Users\Admin\jimhq.exe" /r
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\svchost.exe
svchost.exe
5⤵
- System Location Discovery: System Language Discovery
PID:2564

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\6138.bat" "
3⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2544

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 Information Discovery

1

T1082

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\Local\Temp\6138.bat

Filesize
117B

MD5
8e1385d471972c513b646b1afe8b9f04

SHA1
6777cb18728eccc0fea95f85923690acc5ba7ad7

SHA256
48f71c9f5df68a300d6dcffbfbf06eefc0c7cdaadddfcaf6b49c1a7bcff50749

SHA512
389044bf2e4762a0d1db821e66e2c77f8451c52050111df8bac7621c0c19b01778df1192c662c6cf03c6f9b8a7311b43551e7dff16997b8e6f4cf2a0060e4b1f

Download Submit
\Users\Admin\jimhq.exe

Filesize
212KB

MD5
edfdef59f92fee006518e57f2f8f01b8

SHA1
3b8065cd942b517b402af0cc93f41c0dfdd5dd15

SHA256
ae5169a9295d294594533c5cce04ff557eddeea30963e2eb81f5df6cdb6304cd

SHA512
f3b78c90f28047c6a8ac97a25fce50a002b718b451eb5c66edf39cd4a510dd3d95f652a1839b3c41d07033e00ca6d76ec41d2b6b01532430c6d80cbfbd62ff07

Download Submit
memory/1968-45-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2380-4-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2380-54-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2380-2-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2380-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2380-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2380-8-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2380-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2380-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2564-55-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2564-61-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2564-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2564-52-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2564-63-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/2564-64-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads