tofsee | e0e9b2c08708db4d612eab542b25d89fa9c96737278650b25799c72b394754af

General

Target

0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
Size

170KB
MD5

0e2f6a22fb2c1ee834e3bb94a17fd98e
SHA1

17963e95dc4076646a867ced2923b83b3f4d9391
SHA256

e0e9b2c08708db4d612eab542b25d89fa9c96737278650b25799c72b394754af
SHA512

442326bf359037f1433fb391eefdfc048ab46ed3f19109cd8d5318b0e9d43f09bed055cbf28704b92cce7c76b721b62f6bc50546ed3577235428ba8de68e26a3
SSDEEP

3072:+yyL6e5KJOUM8GXLimIm+lLUntmwRYHPesOZUI5upr6rxE:+rWe8oiGUir5tm

Score

10^/10

tofsee persistence trojan

Malware Config

Extracted

Family

tofsee

C2

64.20.54.234

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

aldymb.exealdymb.exe

pid process

2652 aldymb.exe
2868 aldymb.exe

pid	process
2652	aldymb.exe
2868	aldymb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\aldymb.exe\" /r"	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exealdymb.exealdymb.exe

description	pid	process	target process
PID 1340 set thread context of 1148	1340	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
PID 2652 set thread context of 2868	2652	aldymb.exe	aldymb.exe
PID 2868 set thread context of 2156	2868	aldymb.exe	svchost.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

364 2156 WerFault.exe svchost.exe

pid	pid_target	process	target process
364	2156	WerFault.exe	svchost.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exealdymb.exealdymb.exe

description	pid	process	target process
PID 1340 wrote to memory of 1148	1340	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
PID 1340 wrote to memory of 1148	1340	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
PID 1340 wrote to memory of 1148	1340	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
PID 1340 wrote to memory of 1148	1340	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
PID 1340 wrote to memory of 1148	1340	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
PID 1340 wrote to memory of 1148	1340	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
PID 1340 wrote to memory of 1148	1340	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
PID 1340 wrote to memory of 1148	1340	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
PID 1148 wrote to memory of 2652	1148	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	aldymb.exe
PID 1148 wrote to memory of 2652	1148	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	aldymb.exe
PID 1148 wrote to memory of 2652	1148	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	aldymb.exe
PID 2652 wrote to memory of 2868	2652	aldymb.exe	aldymb.exe
PID 2652 wrote to memory of 2868	2652	aldymb.exe	aldymb.exe
PID 2652 wrote to memory of 2868	2652	aldymb.exe	aldymb.exe
PID 2652 wrote to memory of 2868	2652	aldymb.exe	aldymb.exe
PID 2652 wrote to memory of 2868	2652	aldymb.exe	aldymb.exe
PID 2652 wrote to memory of 2868	2652	aldymb.exe	aldymb.exe
PID 2652 wrote to memory of 2868	2652	aldymb.exe	aldymb.exe
PID 2652 wrote to memory of 2868	2652	aldymb.exe	aldymb.exe
PID 2868 wrote to memory of 2156	2868	aldymb.exe	svchost.exe
PID 2868 wrote to memory of 2156	2868	aldymb.exe	svchost.exe
PID 2868 wrote to memory of 2156	2868	aldymb.exe	svchost.exe
PID 2868 wrote to memory of 2156	2868	aldymb.exe	svchost.exe
PID 2868 wrote to memory of 2156	2868	aldymb.exe	svchost.exe
PID 1148 wrote to memory of 3956	1148	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	cmd.exe
PID 1148 wrote to memory of 3956	1148	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	cmd.exe
PID 1148 wrote to memory of 3956	1148	0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1340

C:\Users\Admin\AppData\Local\Temp\0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0e2f6a22fb2c1ee834e3bb94a17fd98e_JaffaCakes118.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1148

C:\Users\Admin\aldymb.exe
"C:\Users\Admin\aldymb.exe" /r
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2652

C:\Users\Admin\aldymb.exe
"C:\Users\Admin\aldymb.exe" /r
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2868

C:\Windows\SysWOW64\svchost.exe
svchost.exe
5⤵
PID:2156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 320
6⤵
- Program crash
PID:364

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4167.bat" "
3⤵
PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2156 -ip 2156
1⤵
PID:1240

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\4167.bat

Filesize
117B

MD5
0f1b739d6ddd0c30b87289281bf22b9f

SHA1
263b16cafcf98e33fd6b280398a98a274162bf2f

SHA256
c0dfc6e415eb41d361a9a3f3406b8739486af27558de225f9b7ff121ae21b0bb

SHA512
23d168dc8a712030cbf08226198dd1952b20342835f0cb4f9f214613efb01d70185facf17aeeca40fecc7c289459fac50dd0a9fdb63b9512ba13101d8d6fe850

Download Submit
C:\Users\Admin\aldymb.exe

Filesize
170KB

MD5
0e2f6a22fb2c1ee834e3bb94a17fd98e

SHA1
17963e95dc4076646a867ced2923b83b3f4d9391

SHA256
e0e9b2c08708db4d612eab542b25d89fa9c96737278650b25799c72b394754af

SHA512
442326bf359037f1433fb391eefdfc048ab46ed3f19109cd8d5318b0e9d43f09bed055cbf28704b92cce7c76b721b62f6bc50546ed3577235428ba8de68e26a3

Download Submit
memory/1148-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1148-2-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1148-4-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1148-24-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2156-14-0x0000000000340000-0x0000000000350000-memory.dmp

Filesize
64KB

Download
memory/2156-19-0x0000000000340000-0x0000000000350000-memory.dmp

Filesize
64KB

Download
memory/2156-28-0x0000000000340000-0x0000000000350000-memory.dmp

Filesize
64KB

Download
memory/2156-29-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2156-30-0x0000000000340000-0x0000000000350000-memory.dmp

Filesize
64KB

Download
memory/2156-31-0x0000000000340000-0x0000000000350000-memory.dmp

Filesize
64KB

Download
memory/2868-13-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads